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description Publicationkeyboard_double_arrow_right Other literature type , Article 2023 FrancePublisher:Springer Science and Business Media LLC Funded by:ANR | DEEPERANR| DEEPERAuthors: René Schubert; Oscar Vergara; Jonathan Gula;René Schubert; Oscar Vergara; Jonathan Gula;AbstractThe oceanic kinetic energy cascade, the flux of kinetic energy between currents of different horizontal scales, shapes the structure of the global ocean circulation and the associated heat, salt, nutrient, and oxygen fluxes. Here, we show with a numerical ocean simulation that the surface geostrophic cascade can be estimated from satellite altimetry observations and present its regional distribution and seasonal cycle at scales of 40 to 150 km for large parts of the global ocean based on observations. The time-mean cascade is inverse (towards larger scales), strongest in large-scale current systems, and decreases with distance from these systems. In the open ocean, the inverse cascade is associated with a maximum in late winter at the smallest scales studied, which transitions to scales larger than 100 km within two to three months, consistent with the widespread absorption of mixed-layer eddies by mesoscale eddies in spring.
ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2023Data sources: ArchiMer - Institutional Archive of IfremerCommunications Earth & EnvironmentArticle . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2023License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s43247-023-01111-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2023Data sources: ArchiMer - Institutional Archive of IfremerCommunications Earth & EnvironmentArticle . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2023License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s43247-023-01111-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2023 France, SwitzerlandPublisher:Copernicus GmbH Authors: Emilie Rouzies; Claire Lauvernet; Bruno Sudret; Arthur Vidard;Emilie Rouzies; Claire Lauvernet; Bruno Sudret; Arthur Vidard;handle: 20.500.11850/617217
Pesticide transfers in agricultural catchments are responsible for diffuse but major risks to water quality. Spatialized pesticide transfer models are useful tools to assess the impact of the structure of the landscape on water quality. Before considering using these tools in operational contexts, quantifying their uncertainties is a preliminary necessary step. In this study, we explored how global sensitivity analysis could be applied to the recent PESHMELBA pesticide transfer model to quantify uncertainties on transfer simulations. We set up a virtual catchment based on a real one, and we compared different approaches for sensitivity analysis that could handle the specificities of the model: a high number of input parameters and a limited size of sample due to computational cost and spatialized output. After a preliminary screening step, we calculated Sobol' indices obtained from polynomial chaos expansion, Hilbert-Schmidt independence criterion (HSIC) dependence measures and feature importance measures obtained from random forest surrogate model. Results from the different methods were compared regarding both the information they provide and their computational cost. Sensitivity indices were first computed for each landscape element (site sensitivity indices). Second, we proposed to aggregate them at the hillslope and the catchment scale in order to get a summary of the model sensitivity and a valuable insight into the model hydrodynamic behaviour. Conclusions about the advantages and disadvantages of each method may help modellers to conduct global sensitivity analysis on other such modular and distributed hydrological models as there has been a growing interest in these approaches in recent years. Geoscientific Model Development, 16 (11) ISSN:1991-9603 ISSN:1991-959X
Geoscientific Model ... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationsadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-16-3137-2023&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert Geoscientific Model ... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationsadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-16-3137-2023&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2023 Netherlands, FrancePublisher:Ovid Technologies (Wolters Kluwer Health) Authors: Drummond, D.; Roukema, J.; Pijnenburg, M.;Drummond, D.; Roukema, J.; Pijnenburg, M.;PURPOSE OF REVIEW: We highlight the recent advances in home monitoring of patients with asthma, and show that these advances converge towards the implementation of digital twin systems. RECENT FINDINGS: Connected devices for asthma are increasingly numerous, reliable and effective: new electronic monitoring devices extend to nebulizers and spacers, are able to assess the quality of the inhalation technique, and to identify asthma attack triggers when they include a geolocation function; environmental data can be acquired from databases and refined by wearable air quality sensors; smartwatches are better validated. Connected devices are increasingly integrated into global monitoring systems. At the same time, machine learning techniques open up the possibility of using the large amount of data collected to obtain a holistic assessment of asthma patients, and social robots and virtual assistants can help patients in the daily management of their asthma. SUMMARY: Advances in the internet of things, machine learning techniques and digital patient support tools for asthma are paving the way for a new era of research on digital twins in asthma. Contains fulltext : 293296.pdf (Publisher’s version ) (Closed access)
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1097/mcp.0000000000000963&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1097/mcp.0000000000000963&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2023 Belgium, Italy, United Kingdom, France, United States, United States, Switzerland, FrancePublisher:Springer Science and Business Media LLC Funded by:EC | EXOCONDENSE, UKRI | STFC Bristol Physics 2021...EC| EXOCONDENSE ,UKRI| STFC Bristol Physics 2021 DTPAlderson, Lili; Wakeford, Hannah R; Alam, Munazza K; Batalha, Natasha E; Lothringer, Joshua D; Adams Redai, Jea; Barat, Saugata; Brande, Jonathan; Damiano, Mario; Daylan, Tansu; Espinoza, Néstor; Flagg, Laura; Goyal, Jayesh M; Grant, David; Hu, Renyu; Inglis, Julie; Lee, Elspeth KH; Mikal-Evans, Thomas; Ramos-Rosado, Lakeisha; Roy, Pierre-Alexis; Wallack, Nicole L; Batalha, Natalie M; Bean, Jacob L; Benneke, Björn; Berta-Thompson, Zachory K; Carter, Aarynn L; Changeat, Quentin; Colón, Knicole D; Crossfield, Ian JM; Désert, Jean-Michel; Foreman-Mackey, Daniel; Gibson, Neale P; Kreidberg, Laura; Line, Michael R; López-Morales, Mercedes; Molaverdikhani, Karan; Moran, Sarah E; Morello, Giuseppe; Moses, Julianne I; Mukherjee, Sagnick; Schlawin, Everett; Sing, David K; Stevenson, Kevin B; Taylor, Jake; Aggarwal, Keshav; Ahrer, Eva-Maria; Allen, Natalie H; Barstow, Joanna K; Bell, Taylor J; Blecic, Jasmina; Casewell, Sarah L; Chubb, Katy L; Crouzet, Nicolas; Cubillos, Patricio E; Decin, Leen; Feinstein, Adina D; Fortney, Joanthan J; Harrington, Joseph; Heng, Kevin; Iro, Nicolas; Kempton, Eliza M-R; Kirk, James; Knutson, Heather A; Krick, Jessica; Leconte, Jérémy; Lendl, Monika; MacDonald, Ryan J; Mancini, Luigi; Mansfield, Megan; May, Erin M; Mayne, Nathan J; Miguel, Yamila; Nikolov, Nikolay K; Ohno, Kazumasa; Palle, Enric; Parmentier, Vivien; Petit Dit De La Roche, Dominique JM; Piaulet, Caroline; Powell, Diana; Rackham, Benjamin V; Redfield, Seth; Rogers, Laura K; Rustamkulov, Zafar; Tan, Xianyu; Tremblin, P; Tsai, Shang-Min; Turner, Jake D; De Val-Borro, Miguel; Venot, Olivia; Welbanks, Luis; Wheatley, Peter J; Zhang, Xi;Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems. Access to an exoplanet's chemical inventory requires high-precision observations, often inferred from individual molecular detections with low-resolution space-based and high-resolution ground-based facilities. Here we report the medium-resolution (R$\sim$600) transmission spectrum of an exoplanet atmosphere between 3-5 $\mu$m covering multiple absorption features for the Saturn-mass exoplanet WASP-39b, obtained with JWST NIRSpec G395H. Our observations achieve 1.46x photon precision, providing an average transit depth uncertainty of 221 ppm per spectroscopic bin, and present minimal impacts from systematic effects. We detect significant absorption from CO$_2$ (28.5$\sigma$) and H$_2$O (21.5$\sigma$), and identify SO$_2$ as the source of absorption at 4.1 $\mu$m (4.8$\sigma$). Best-fit atmospheric models range between 3 and 10x solar metallicity, with sub-solar to solar C/O ratios. These results, including the detection of SO$_2$, underscore the importance of characterising the chemistry in exoplanet atmospheres, and showcase NIRSpec G395H as an excellent mode for time series observations over this critical wavelength range. Comment: 44 pages, 11 figures, 3 tables. Resubmitted after revision to Nature
Caltech Authors arrow_drop_down Nature; Archivio della Ricerca - Università di Roma Tor vergataArticle . 2023 . Peer-reviewedLicense: CC BYBern Open Repository and Information System (BORIS)Article . 2023 . Peer-reviewedData sources: Bern Open Repository and Information System (BORIS)St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research RepositoryArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Data sources: Archivio della Ricerca - Università di Roma Tor vergataeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-CEAArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04122511/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s41586-022-05591-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 57 citations 57 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!visibility 57visibility views 57 download downloads 7 Powered bymore_vert Caltech Authors arrow_drop_down Nature; Archivio della Ricerca - Università di Roma Tor vergataArticle . 2023 . Peer-reviewedLicense: CC BYBern Open Repository and Information System (BORIS)Article . 2023 . Peer-reviewedData sources: Bern Open Repository and Information System (BORIS)St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research RepositoryArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Data sources: Archivio della Ricerca - Università di Roma Tor vergataeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-CEAArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04122511/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s41586-022-05591-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Article , Other literature type 2022 FrancePublisher:Copernicus GmbH Authors: Maxime Beauchamp; Quentin Febvre; Hugo Georgenthum; Ronan Fablet;Maxime Beauchamp; Quentin Febvre; Hugo Georgenthum; Ronan Fablet;Abstract. The reconstruction of sea surface currents from satellite altimeter data is a key challenge in spatial oceanography, especially with the upcoming wide-swath SWOT (Surface Water and Ocean and Topography) altimeter mission. Operational systems, however, generally fail to retrieve mesoscale dynamics for horizontal scales below 100 km and timescales below 10 d. Here, we address this challenge through the 4DVarnet framework, an end-to-end neural scheme backed on a variational data assimilation formulation. We introduce a parameterization of the 4DVarNet scheme dedicated to the space–time interpolation of satellite altimeter data. Within an observing system simulation experiment (NATL60), we demonstrate the relevance of the proposed approach, both for nadir and nadir plus SWOT altimeter configurations for two contrasting case study regions in terms of upper ocean dynamics. We report a relative improvement with respect to the operational optimal interpolation between 30 % and 60 % in terms of the reconstruction error. Interestingly, for the nadir plus SWOT altimeter configuration, we reach resolved space–timescales below 70 km and 7 d. The code is open source to enable reproducibility and future collaborative developments. Beyond its applicability to large-scale domains, we also address the uncertainty quantification issues and generalization properties of the proposed learning setting. We discuss further future research avenues and extensions to other ocean data assimilation and space oceanography challenges.
arXiv.org e-Print Ar... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsGeoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationshttps://doi.org/10.5194/gmd-20...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04140934/documentMémoires en Sciences de l'Information et de la CommunicationPreprint . 2023add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-2022-241&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 3 citations 3 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert arXiv.org e-Print Ar... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsGeoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationshttps://doi.org/10.5194/gmd-20...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04140934/documentMémoires en Sciences de l'Information et de la CommunicationPreprint . 2023add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-2022-241&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2022 France, France, France, France, GermanyPublisher:Copernicus GmbH Funded by:EC | IMMERSE, NSF | EarthCube Data Capabiliti..., NSF | NSFGEO-NERC: Collaborativ... +3 projectsEC| IMMERSE ,NSF| EarthCube Data Capabilities: A Cloud-Native Data Repository for the Geoscience Community ,NSF| NSFGEO-NERC: Collaborative Research: Assessing the influence of sub-annual variability in the AMOC on the Gulf Stream and the atmosphere ,ANR| CONTACTS ,ANR| DEEPER ,EC| ESiWACE2T. Uchida; J. Le Sommer; C. Stern; R. P. Abernathey; C. Holdgraf; A. Albert; L. Brodeau; L. Brodeau; E. P. Chassignet; X. Xu; J. Gula; J. Gula; G. Roullet; N. Koldunov; S. Danilov; Q. Wang; D. Menemenlis; C. Bricaud; B. K. Arbic; J. F. Shriver; F. Qiao; B. Xiao; A. Biastoch; A. Biastoch; R. Schubert; R. Schubert; B. Fox-Kemper; W. K. Dewar; W. K. Dewar; A. Wallcraft;Abstract. With the increase in computational power, ocean models with kilometer-scale resolution have emerged over the last decade. These models have been used for quantifying the energetic exchanges between spatial scales, informing the design of eddy parametrizations, and preparing observing networks. The increase in resolution, however, has drastically increased the size of model outputs, making it difficult to transfer and analyze the data. It remains, nonetheless, of primary importance to assess more systematically the realism of these models. Here, we showcase a cloud-based analysis framework proposed by the Pangeo project that aims to tackle such distribution and analysis challenges. We analyze the output of eight submesoscale-permitting simulations, all on the cloud, for a crossover region of the upcoming Surface Water and Ocean Topography (SWOT) altimeter mission near the Gulf Stream separation. The cloud-based analysis framework (i) minimizes the cost of duplicating and storing ghost copies of data and (ii) allows for seamless sharing of analysis results amongst collaborators. We describe the framework and provide example analyses (e.g., sea-surface height variability, submesoscale vertical buoyancy fluxes, and comparison to predictions from the mixed-layer instability parametrization). Basin- to global-scale, submesoscale-permitting models are still at their early stage of development; their cost and carbon footprints are also rather large. It would, therefore, benefit the community to document the different model configurations for future best practices. We also argue that an emphasis on data analysis strategies would be crucial for improving the models themselves.
OceanRep; Geoscienti... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsElectronic Publication Information CenterArticle . 2022Data sources: Electronic Publication Information CenterArchiMer - Institutional Archive of IfremerOther literature type . 2022Data sources: ArchiMer - Institutional Archive of IfremerINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2022License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-15-5829-2022&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 8 citations 8 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert OceanRep; Geoscienti... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsElectronic Publication Information CenterArticle . 2022Data sources: Electronic Publication Information CenterArchiMer - Institutional Archive of IfremerOther literature type . 2022Data sources: ArchiMer - Institutional Archive of IfremerINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2022License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-15-5829-2022&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021 FrancePublisher:American Geophysical Union (AGU) Florian Le Guillou; Noé Lahaye; Clement Ubelmann; Sammy Metref; Emmanuel Cosme; Aurélien Ponte; Julien Le Sommer; Eric Blayo; Arthur Vidard;doi: 10.1029/2021ms002613
Wide-swath altimetry, e.g. the Surface Water and Ocean Topography (SWOT) mission is expected to provide Sea Surface Height (SSH) measurements resolving scales of a few tens of kilometers. Over a large fraction of the globe, the SSH signal at these scales is essentially a superposition of a component due to balanced motions (BMs) and another component due to internal tides (ITs). Several oceanographic applications require the separation of these components and their mapping on regular grids. For that purpose, the paper introduces an alternating minimization algorithm that iteratively implements two data assimilation techniques, each specific to the mapping of one component: a quasi-geostrophic model with Back-and-Forth Nudging for BMs, and a linear shallow-water model with 4-Dimensional Variational (4DVar) assimilation for ITs. The algorithm is tested with Observation System Simulation Experiments (OSSE) where the truth is provided by a primitive-equation ocean model in an idealized configuration simulating a turbulent jet and mode-one ITs. The algorithm reconstructs almost 80% of the variance of BMs and ITs, the remaining 20% being mostly due to dynamics that cannot be described by the simple models used. Importantly, in addition to the reconstruction of stationary ITs, the amplitude and phase of nonstationary ITs are reconstructed. Sensitivity experiments show that the quality of reconstruction significantly depends upon the timing of observations. Although idealized, this study represents a step forward towards the disentanglement of BMs and ITs signals from real wide-swath altimetry data. Plain Language Summary Wide-swath altimetry, e.g. the Surface Water and Ocean Topography (SWOT) mission is expected to provide Sea Surface Height (SSH) images with pixels of 2 km, revealing motions at scales of a few tens of kilometers. At these scales, SSH variations are essentially due to the superposition of slow, balanced motions primarily constrain by Earth’s rotation, and fast, propagating motions due to internal waves mainly generated by interactions between bathymetry and tidal water displacements. Several oceanographic applications require the separation of these two SSH components and their mapping on regular grids. This paper presents an original method to achieve this separation, based on data assimilation approaches and simple dynamical models. Experiments with synthetic SSH images, simulated from an ocean circulation model with detailed physics, show the efficiency of the method.
ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2021Data sources: ArchiMer - Institutional Archive of IfremerJournal of Advances in Modeling Earth SystemsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2021License: CC BY NCFull-Text: https://hal.science/hal-03517332v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1029/2021ms002613&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 2 citations 2 popularity Average influence Average impulse Average Powered by BIP!more_vert ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2021Data sources: ArchiMer - Institutional Archive of IfremerJournal of Advances in Modeling Earth SystemsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2021License: CC BY NCFull-Text: https://hal.science/hal-03517332v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2021 Italy, France, Belgium, ItalyPublisher:American Astronomical Society Funded by:ANR | e-PYTHEAS, EC | ExoAI, EC | ExoMAC +5 projectsANR| e-PYTHEAS ,EC| ExoAI ,EC| ExoMAC ,EC| ATMO ,UKRI| ARIEL SCIENCE ADVISORY TEAM UK ACTIVITIES ,UKRI| UCL Centre for Doctoral Training in Data Intensive Science and Technologies ,EC| WHIPLASH ,EC| ExoplANETS ALorenzo V. Mugnai; Darius Modirrousta-Galian; Billy Edwards; Quentin Changeat; Jeroen Bouwman; Giuseppe Morello; Ahmed Al-Refaie; Robin Baeyens; Michelle Fabienne Bieger; Doriann Blain; Amélie Gressier; Gloria Guilluy; Yassin Jaziri; Flavien Kiefer; Mario Morvan; William Pluriel; Mathilde Poveda; Nour Skaf; Niall Whiteford; Sam Wright; Kai Hou Yip; Tiziano Zingales; Benjamin Charnay; Pierre Drossart; Jérémy Leconte; Olivia Venot; Ingo Waldmann; Jean-Philippe Beaulieu;handle: 11577/3415977 , 11573/1549763
We present a study on the spatially scanned spectroscopic observations of the transit of GJ 1132 b, a warm ($\sim$500 K) Super-Earth (1.13 R$_\oplus$) that was obtained with the G141 grism (1.125 - 1.650 $\mu$m) of the Wide Field Camera 3 (WFC3) onboard the Hubble Space Telescope. We used the publicly available Iraclis pipeline to extract the planetary transmission spectra from the five visits and produce a precise transmission spectrum. We analysed the spectrum using the TauREx3 atmospheric retrieval code with which we show that the measurements do not contain molecular signatures in the investigated wavelength range and are best-fit with a flat-line model. Our results suggest that the planet does not have a clear primordial, hydrogen-dominated atmosphere. Instead, GJ 1132 b could have a cloudy hydrogen-dominated envelope, a very enriched secondary atmosphere, be airless, or have a tenuous atmosphere that has not been detected. Due to the narrow wavelength coverage of WFC3, these scenarios cannot be distinguished yet but the James Webb Space Telescope may be capable of detecting atmospheric features, although several observations may be required to provide useful constraints. Comment: 17 pages, 11 figures. Accepted for publication in AJ
Archivio della ricer... arrow_drop_down Archivio istituzionale della ricerca - Università di Padova; The Astronomical JournalOther literature type . Article . 2021 . Peer-reviewedLicense: IOP Copyright PoliciesArchivio della ricerca- Università di Roma La SapienzaArticle . 2021Data sources: Archivio della ricerca- Università di Roma La SapienzaHAL - UPEC / UPEM; Hal-DiderotArticle . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 38 citations 38 popularity Top 1% influence Average impulse Top 1% Powered by BIP!visibility 25visibility views 25 Powered bymore_vert Archivio della ricer... arrow_drop_down Archivio istituzionale della ricerca - Università di Padova; The Astronomical JournalOther literature type . Article . 2021 . Peer-reviewedLicense: IOP Copyright PoliciesArchivio della ricerca- Università di Roma La SapienzaArticle . 2021Data sources: Archivio della ricerca- Università di Roma La SapienzaHAL - UPEC / UPEM; Hal-DiderotArticle . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Article , Other literature type 2021 United States, France, FrancePublisher:Proceedings of the National Academy of Sciences Funded by:NSF | RAPID: Field Survey of th..., NSF | CAREER: Multiscale Mechan..., NSF | Leadership Class Scientif...NSF| RAPID: Field Survey of the 27 September 2018 Sulawesi Tsunami ,NSF| CAREER: Multiscale Mechanics of Fluid Infiltrated Fault Zones- An Integrated Research and Education Plan ,NSF| Leadership Class Scientific and Engineering Computing: Breaking Through the LimitsAhmed Elbanna; M.S. Abdelmeguid; Xiao Ma; Faisal Amlani; Harsha S. Bhat; Costas E. Synolakis; Ares J. Rosakis;Tsunami generation from earthquake induced seafloor deformations has long been recognized as a major hazard to coastal areas. Strike-slip faulting has generally been believed as insufficient for triggering large tsunamis, except through the generation of submarine landslides. Herein, we demonstrate that ground motions due to strike-slip earthquakes can contribute to the emergence of large tsunamis (>1m) under rather generic conditions. To this end, we have developed a computational framework that integrates models for earthquake rupture dynamics with models of tsunami generation and propagation. The three-dimensional time-dependent vertical and horizontal ground motions from spontaneous dynamic rupture models are used to drive boundary motions in the tsunami model. Our results suggest that supershear ruptures propagating along strike-slip faults, traversing narrow and shallow bays are prime candidates for tsunami generation. We show that dynamic focusing and the large horizontal displacements, characteristic of strike-slip earthquakes on long faults, are critical drivers for the tsunami hazard. These findings point to intrinsic mechanisms for sizeable tsunami generation by strike-slip faulting, which do not require complex seismic sources, landslides, or complicated bathymetry. Furthermore, our model identifies three distinct phases in the tsunamic motion; an instantaneous dynamic phase, a lagging coseismic and a classical postseismic phase, each of which may affect coastal areas differently. We conclude that near-source tsunami hazards and risk from strike-slip faulting need to be re-evaluated.
Caltech Authors arrow_drop_down Proceedings of the National Academy of SciencesArticle . 2021 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 27 citations 27 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Caltech Authors arrow_drop_down Proceedings of the National Academy of SciencesArticle . 2021 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1073/pnas.2025632118&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book , Other literature type 2021 FrancePublisher:Wiley Authors: Lippiello, Eugenio; Petrillo, Giuseppe; Landes, François, P.; Rosso, Alberto;Lippiello, Eugenio; Petrillo, Giuseppe; Landes, François, P.; Rosso, Alberto;This chapter focuses on two specific mechanisms: afterslip and the rate-dependent reduction in the fault friction. It reviews the main assumptions and analytical steps proposed to explain the temporal behavior of aftershocks, in terms of both a time-dependent friction and afterslip dynamics. The chapter presents how two approaches can be combined. More precisely, it re-derives the evolution of a single block, when a stress drop is applied, both in the presence of a velocity-weakening rate-and-state friction law and in the presence of a velocity-strengthening friction law. The approach of a model composed of two spring slider systems is combined with different frictions with the further ingredient of friction heterogeneity. The chapter also presents the analytical derivation of the Omori law according to the interpretation proposed by Dieterich.
https://doi.org/10.1... arrow_drop_down https://doi.org/10.1002/978111...Other literature type . 2021License: Wiley TDMData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationPart of book or chapter of book . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert https://doi.org/10.1... arrow_drop_down https://doi.org/10.1002/978111...Other literature type . 2021License: Wiley TDMData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationPart of book or chapter of book . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Other literature type , Article 2023 FrancePublisher:Springer Science and Business Media LLC Funded by:ANR | DEEPERANR| DEEPERAuthors: René Schubert; Oscar Vergara; Jonathan Gula;René Schubert; Oscar Vergara; Jonathan Gula;AbstractThe oceanic kinetic energy cascade, the flux of kinetic energy between currents of different horizontal scales, shapes the structure of the global ocean circulation and the associated heat, salt, nutrient, and oxygen fluxes. Here, we show with a numerical ocean simulation that the surface geostrophic cascade can be estimated from satellite altimetry observations and present its regional distribution and seasonal cycle at scales of 40 to 150 km for large parts of the global ocean based on observations. The time-mean cascade is inverse (towards larger scales), strongest in large-scale current systems, and decreases with distance from these systems. In the open ocean, the inverse cascade is associated with a maximum in late winter at the smallest scales studied, which transitions to scales larger than 100 km within two to three months, consistent with the widespread absorption of mixed-layer eddies by mesoscale eddies in spring.
ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2023Data sources: ArchiMer - Institutional Archive of IfremerCommunications Earth & EnvironmentArticle . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2023License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s43247-023-01111-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2023Data sources: ArchiMer - Institutional Archive of IfremerCommunications Earth & EnvironmentArticle . 2023 . Peer-reviewedLicense: CC BYData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2023License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s43247-023-01111-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2023 France, SwitzerlandPublisher:Copernicus GmbH Authors: Emilie Rouzies; Claire Lauvernet; Bruno Sudret; Arthur Vidard;Emilie Rouzies; Claire Lauvernet; Bruno Sudret; Arthur Vidard;handle: 20.500.11850/617217
Pesticide transfers in agricultural catchments are responsible for diffuse but major risks to water quality. Spatialized pesticide transfer models are useful tools to assess the impact of the structure of the landscape on water quality. Before considering using these tools in operational contexts, quantifying their uncertainties is a preliminary necessary step. In this study, we explored how global sensitivity analysis could be applied to the recent PESHMELBA pesticide transfer model to quantify uncertainties on transfer simulations. We set up a virtual catchment based on a real one, and we compared different approaches for sensitivity analysis that could handle the specificities of the model: a high number of input parameters and a limited size of sample due to computational cost and spatialized output. After a preliminary screening step, we calculated Sobol' indices obtained from polynomial chaos expansion, Hilbert-Schmidt independence criterion (HSIC) dependence measures and feature importance measures obtained from random forest surrogate model. Results from the different methods were compared regarding both the information they provide and their computational cost. Sensitivity indices were first computed for each landscape element (site sensitivity indices). Second, we proposed to aggregate them at the hillslope and the catchment scale in order to get a summary of the model sensitivity and a valuable insight into the model hydrodynamic behaviour. Conclusions about the advantages and disadvantages of each method may help modellers to conduct global sensitivity analysis on other such modular and distributed hydrological models as there has been a growing interest in these approaches in recent years. Geoscientific Model Development, 16 (11) ISSN:1991-9603 ISSN:1991-959X
Geoscientific Model ... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationsadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-16-3137-2023&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert Geoscientific Model ... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationsadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-16-3137-2023&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2023 Netherlands, FrancePublisher:Ovid Technologies (Wolters Kluwer Health) Authors: Drummond, D.; Roukema, J.; Pijnenburg, M.;Drummond, D.; Roukema, J.; Pijnenburg, M.;PURPOSE OF REVIEW: We highlight the recent advances in home monitoring of patients with asthma, and show that these advances converge towards the implementation of digital twin systems. RECENT FINDINGS: Connected devices for asthma are increasingly numerous, reliable and effective: new electronic monitoring devices extend to nebulizers and spacers, are able to assess the quality of the inhalation technique, and to identify asthma attack triggers when they include a geolocation function; environmental data can be acquired from databases and refined by wearable air quality sensors; smartwatches are better validated. Connected devices are increasingly integrated into global monitoring systems. At the same time, machine learning techniques open up the possibility of using the large amount of data collected to obtain a holistic assessment of asthma patients, and social robots and virtual assistants can help patients in the daily management of their asthma. SUMMARY: Advances in the internet of things, machine learning techniques and digital patient support tools for asthma are paving the way for a new era of research on digital twins in asthma. Contains fulltext : 293296.pdf (Publisher’s version ) (Closed access)
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesbronze 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1097/mcp.0000000000000963&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2023 Belgium, Italy, United Kingdom, France, United States, United States, Switzerland, FrancePublisher:Springer Science and Business Media LLC Funded by:EC | EXOCONDENSE, UKRI | STFC Bristol Physics 2021...EC| EXOCONDENSE ,UKRI| STFC Bristol Physics 2021 DTPAlderson, Lili; Wakeford, Hannah R; Alam, Munazza K; Batalha, Natasha E; Lothringer, Joshua D; Adams Redai, Jea; Barat, Saugata; Brande, Jonathan; Damiano, Mario; Daylan, Tansu; Espinoza, Néstor; Flagg, Laura; Goyal, Jayesh M; Grant, David; Hu, Renyu; Inglis, Julie; Lee, Elspeth KH; Mikal-Evans, Thomas; Ramos-Rosado, Lakeisha; Roy, Pierre-Alexis; Wallack, Nicole L; Batalha, Natalie M; Bean, Jacob L; Benneke, Björn; Berta-Thompson, Zachory K; Carter, Aarynn L; Changeat, Quentin; Colón, Knicole D; Crossfield, Ian JM; Désert, Jean-Michel; Foreman-Mackey, Daniel; Gibson, Neale P; Kreidberg, Laura; Line, Michael R; López-Morales, Mercedes; Molaverdikhani, Karan; Moran, Sarah E; Morello, Giuseppe; Moses, Julianne I; Mukherjee, Sagnick; Schlawin, Everett; Sing, David K; Stevenson, Kevin B; Taylor, Jake; Aggarwal, Keshav; Ahrer, Eva-Maria; Allen, Natalie H; Barstow, Joanna K; Bell, Taylor J; Blecic, Jasmina; Casewell, Sarah L; Chubb, Katy L; Crouzet, Nicolas; Cubillos, Patricio E; Decin, Leen; Feinstein, Adina D; Fortney, Joanthan J; Harrington, Joseph; Heng, Kevin; Iro, Nicolas; Kempton, Eliza M-R; Kirk, James; Knutson, Heather A; Krick, Jessica; Leconte, Jérémy; Lendl, Monika; MacDonald, Ryan J; Mancini, Luigi; Mansfield, Megan; May, Erin M; Mayne, Nathan J; Miguel, Yamila; Nikolov, Nikolay K; Ohno, Kazumasa; Palle, Enric; Parmentier, Vivien; Petit Dit De La Roche, Dominique JM; Piaulet, Caroline; Powell, Diana; Rackham, Benjamin V; Redfield, Seth; Rogers, Laura K; Rustamkulov, Zafar; Tan, Xianyu; Tremblin, P; Tsai, Shang-Min; Turner, Jake D; De Val-Borro, Miguel; Venot, Olivia; Welbanks, Luis; Wheatley, Peter J; Zhang, Xi;Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems. Access to an exoplanet's chemical inventory requires high-precision observations, often inferred from individual molecular detections with low-resolution space-based and high-resolution ground-based facilities. Here we report the medium-resolution (R$\sim$600) transmission spectrum of an exoplanet atmosphere between 3-5 $\mu$m covering multiple absorption features for the Saturn-mass exoplanet WASP-39b, obtained with JWST NIRSpec G395H. Our observations achieve 1.46x photon precision, providing an average transit depth uncertainty of 221 ppm per spectroscopic bin, and present minimal impacts from systematic effects. We detect significant absorption from CO$_2$ (28.5$\sigma$) and H$_2$O (21.5$\sigma$), and identify SO$_2$ as the source of absorption at 4.1 $\mu$m (4.8$\sigma$). Best-fit atmospheric models range between 3 and 10x solar metallicity, with sub-solar to solar C/O ratios. These results, including the detection of SO$_2$, underscore the importance of characterising the chemistry in exoplanet atmospheres, and showcase NIRSpec G395H as an excellent mode for time series observations over this critical wavelength range. Comment: 44 pages, 11 figures, 3 tables. Resubmitted after revision to Nature
Caltech Authors arrow_drop_down Nature; Archivio della Ricerca - Università di Roma Tor vergataArticle . 2023 . Peer-reviewedLicense: CC BYBern Open Repository and Information System (BORIS)Article . 2023 . Peer-reviewedData sources: Bern Open Repository and Information System (BORIS)St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research RepositoryArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Data sources: Archivio della Ricerca - Università di Roma Tor vergataeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-CEAArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04122511/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 57 citations 57 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!visibility 57visibility views 57 download downloads 7 Powered bymore_vert Caltech Authors arrow_drop_down Nature; Archivio della Ricerca - Università di Roma Tor vergataArticle . 2023 . Peer-reviewedLicense: CC BYBern Open Repository and Information System (BORIS)Article . 2023 . Peer-reviewedData sources: Bern Open Repository and Information System (BORIS)St Andrews Research RepositoryArticle . 2023 . Peer-reviewedData sources: St Andrews Research RepositoryArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Data sources: Archivio della Ricerca - Università di Roma Tor vergataeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaSpiral - Imperial College Digital RepositoryArticle . 2022License: CC BYData sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-CEAArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04122511/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s41586-022-05591-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Article , Other literature type 2022 FrancePublisher:Copernicus GmbH Authors: Maxime Beauchamp; Quentin Febvre; Hugo Georgenthum; Ronan Fablet;Maxime Beauchamp; Quentin Febvre; Hugo Georgenthum; Ronan Fablet;Abstract. The reconstruction of sea surface currents from satellite altimeter data is a key challenge in spatial oceanography, especially with the upcoming wide-swath SWOT (Surface Water and Ocean and Topography) altimeter mission. Operational systems, however, generally fail to retrieve mesoscale dynamics for horizontal scales below 100 km and timescales below 10 d. Here, we address this challenge through the 4DVarnet framework, an end-to-end neural scheme backed on a variational data assimilation formulation. We introduce a parameterization of the 4DVarNet scheme dedicated to the space–time interpolation of satellite altimeter data. Within an observing system simulation experiment (NATL60), we demonstrate the relevance of the proposed approach, both for nadir and nadir plus SWOT altimeter configurations for two contrasting case study regions in terms of upper ocean dynamics. We report a relative improvement with respect to the operational optimal interpolation between 30 % and 60 % in terms of the reconstruction error. Interestingly, for the nadir plus SWOT altimeter configuration, we reach resolved space–timescales below 70 km and 7 d. The code is open source to enable reproducibility and future collaborative developments. Beyond its applicability to large-scale domains, we also address the uncertainty quantification issues and generalization properties of the proposed learning setting. We discuss further future research avenues and extensions to other ocean data assimilation and space oceanography challenges.
arXiv.org e-Print Ar... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsGeoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationshttps://doi.org/10.5194/gmd-20...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04140934/documentMémoires en Sciences de l'Information et de la CommunicationPreprint . 2023add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-2022-241&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 3 citations 3 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert arXiv.org e-Print Ar... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsGeoscientific Model Development (GMD)Other literature type . 2023Data sources: Copernicus Publicationshttps://doi.org/10.5194/gmd-20...Preprint . 2022 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2023License: CC BYFull-Text: https://hal.science/hal-04140934/documentMémoires en Sciences de l'Information et de la CommunicationPreprint . 2023add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-2022-241&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2022 France, France, France, France, GermanyPublisher:Copernicus GmbH Funded by:EC | IMMERSE, NSF | EarthCube Data Capabiliti..., NSF | NSFGEO-NERC: Collaborativ... +3 projectsEC| IMMERSE ,NSF| EarthCube Data Capabilities: A Cloud-Native Data Repository for the Geoscience Community ,NSF| NSFGEO-NERC: Collaborative Research: Assessing the influence of sub-annual variability in the AMOC on the Gulf Stream and the atmosphere ,ANR| CONTACTS ,ANR| DEEPER ,EC| ESiWACE2T. Uchida; J. Le Sommer; C. Stern; R. P. Abernathey; C. Holdgraf; A. Albert; L. Brodeau; L. Brodeau; E. P. Chassignet; X. Xu; J. Gula; J. Gula; G. Roullet; N. Koldunov; S. Danilov; Q. Wang; D. Menemenlis; C. Bricaud; B. K. Arbic; J. F. Shriver; F. Qiao; B. Xiao; A. Biastoch; A. Biastoch; R. Schubert; R. Schubert; B. Fox-Kemper; W. K. Dewar; W. K. Dewar; A. Wallcraft;Abstract. With the increase in computational power, ocean models with kilometer-scale resolution have emerged over the last decade. These models have been used for quantifying the energetic exchanges between spatial scales, informing the design of eddy parametrizations, and preparing observing networks. The increase in resolution, however, has drastically increased the size of model outputs, making it difficult to transfer and analyze the data. It remains, nonetheless, of primary importance to assess more systematically the realism of these models. Here, we showcase a cloud-based analysis framework proposed by the Pangeo project that aims to tackle such distribution and analysis challenges. We analyze the output of eight submesoscale-permitting simulations, all on the cloud, for a crossover region of the upcoming Surface Water and Ocean Topography (SWOT) altimeter mission near the Gulf Stream separation. The cloud-based analysis framework (i) minimizes the cost of duplicating and storing ghost copies of data and (ii) allows for seamless sharing of analysis results amongst collaborators. We describe the framework and provide example analyses (e.g., sea-surface height variability, submesoscale vertical buoyancy fluxes, and comparison to predictions from the mixed-layer instability parametrization). Basin- to global-scale, submesoscale-permitting models are still at their early stage of development; their cost and carbon footprints are also rather large. It would, therefore, benefit the community to document the different model configurations for future best practices. We also argue that an emphasis on data analysis strategies would be crucial for improving the models themselves.
OceanRep; Geoscienti... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsElectronic Publication Information CenterArticle . 2022Data sources: Electronic Publication Information CenterArchiMer - Institutional Archive of IfremerOther literature type . 2022Data sources: ArchiMer - Institutional Archive of IfremerINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2022License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-15-5829-2022&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 8 citations 8 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert OceanRep; Geoscienti... arrow_drop_down Geoscientific Model Development (GMD)Other literature type . 2022Data sources: Copernicus PublicationsElectronic Publication Information CenterArticle . 2022Data sources: Electronic Publication Information CenterArchiMer - Institutional Archive of IfremerOther literature type . 2022Data sources: ArchiMer - Institutional Archive of IfremerINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2022License: CC BYadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/gmd-15-5829-2022&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021 FrancePublisher:American Geophysical Union (AGU) Florian Le Guillou; Noé Lahaye; Clement Ubelmann; Sammy Metref; Emmanuel Cosme; Aurélien Ponte; Julien Le Sommer; Eric Blayo; Arthur Vidard;doi: 10.1029/2021ms002613
Wide-swath altimetry, e.g. the Surface Water and Ocean Topography (SWOT) mission is expected to provide Sea Surface Height (SSH) measurements resolving scales of a few tens of kilometers. Over a large fraction of the globe, the SSH signal at these scales is essentially a superposition of a component due to balanced motions (BMs) and another component due to internal tides (ITs). Several oceanographic applications require the separation of these components and their mapping on regular grids. For that purpose, the paper introduces an alternating minimization algorithm that iteratively implements two data assimilation techniques, each specific to the mapping of one component: a quasi-geostrophic model with Back-and-Forth Nudging for BMs, and a linear shallow-water model with 4-Dimensional Variational (4DVar) assimilation for ITs. The algorithm is tested with Observation System Simulation Experiments (OSSE) where the truth is provided by a primitive-equation ocean model in an idealized configuration simulating a turbulent jet and mode-one ITs. The algorithm reconstructs almost 80% of the variance of BMs and ITs, the remaining 20% being mostly due to dynamics that cannot be described by the simple models used. Importantly, in addition to the reconstruction of stationary ITs, the amplitude and phase of nonstationary ITs are reconstructed. Sensitivity experiments show that the quality of reconstruction significantly depends upon the timing of observations. Although idealized, this study represents a step forward towards the disentanglement of BMs and ITs signals from real wide-swath altimetry data. Plain Language Summary Wide-swath altimetry, e.g. the Surface Water and Ocean Topography (SWOT) mission is expected to provide Sea Surface Height (SSH) images with pixels of 2 km, revealing motions at scales of a few tens of kilometers. At these scales, SSH variations are essentially due to the superposition of slow, balanced motions primarily constrain by Earth’s rotation, and fast, propagating motions due to internal waves mainly generated by interactions between bathymetry and tidal water displacements. Several oceanographic applications require the separation of these two SSH components and their mapping on regular grids. This paper presents an original method to achieve this separation, based on data assimilation approaches and simple dynamical models. Experiments with synthetic SSH images, simulated from an ocean circulation model with detailed physics, show the efficiency of the method.
ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2021Data sources: ArchiMer - Institutional Archive of IfremerJournal of Advances in Modeling Earth SystemsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2021License: CC BY NCFull-Text: https://hal.science/hal-03517332v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1029/2021ms002613&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 2 citations 2 popularity Average influence Average impulse Average Powered by BIP!more_vert ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2021Data sources: ArchiMer - Institutional Archive of IfremerJournal of Advances in Modeling Earth SystemsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefHAL-Rennes 1; INRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la Communication; HAL-IRDArticle . 2021License: CC BY NCFull-Text: https://hal.science/hal-03517332v2/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1029/2021ms002613&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2021 Italy, France, Belgium, ItalyPublisher:American Astronomical Society Funded by:ANR | e-PYTHEAS, EC | ExoAI, EC | ExoMAC +5 projectsANR| e-PYTHEAS ,EC| ExoAI ,EC| ExoMAC ,EC| ATMO ,UKRI| ARIEL SCIENCE ADVISORY TEAM UK ACTIVITIES ,UKRI| UCL Centre for Doctoral Training in Data Intensive Science and Technologies ,EC| WHIPLASH ,EC| ExoplANETS ALorenzo V. Mugnai; Darius Modirrousta-Galian; Billy Edwards; Quentin Changeat; Jeroen Bouwman; Giuseppe Morello; Ahmed Al-Refaie; Robin Baeyens; Michelle Fabienne Bieger; Doriann Blain; Amélie Gressier; Gloria Guilluy; Yassin Jaziri; Flavien Kiefer; Mario Morvan; William Pluriel; Mathilde Poveda; Nour Skaf; Niall Whiteford; Sam Wright; Kai Hou Yip; Tiziano Zingales; Benjamin Charnay; Pierre Drossart; Jérémy Leconte; Olivia Venot; Ingo Waldmann; Jean-Philippe Beaulieu;handle: 11577/3415977 , 11573/1549763
We present a study on the spatially scanned spectroscopic observations of the transit of GJ 1132 b, a warm ($\sim$500 K) Super-Earth (1.13 R$_\oplus$) that was obtained with the G141 grism (1.125 - 1.650 $\mu$m) of the Wide Field Camera 3 (WFC3) onboard the Hubble Space Telescope. We used the publicly available Iraclis pipeline to extract the planetary transmission spectra from the five visits and produce a precise transmission spectrum. We analysed the spectrum using the TauREx3 atmospheric retrieval code with which we show that the measurements do not contain molecular signatures in the investigated wavelength range and are best-fit with a flat-line model. Our results suggest that the planet does not have a clear primordial, hydrogen-dominated atmosphere. Instead, GJ 1132 b could have a cloudy hydrogen-dominated envelope, a very enriched secondary atmosphere, be airless, or have a tenuous atmosphere that has not been detected. Due to the narrow wavelength coverage of WFC3, these scenarios cannot be distinguished yet but the James Webb Space Telescope may be capable of detecting atmospheric features, although several observations may be required to provide useful constraints. Comment: 17 pages, 11 figures. Accepted for publication in AJ
Archivio della ricer... arrow_drop_down Archivio istituzionale della ricerca - Università di Padova; The Astronomical JournalOther literature type . Article . 2021 . Peer-reviewedLicense: IOP Copyright PoliciesArchivio della ricerca- Università di Roma La SapienzaArticle . 2021Data sources: Archivio della ricerca- Università di Roma La SapienzaHAL - UPEC / UPEM; Hal-DiderotArticle . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3847/1538-3881/abf3c3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 38 citations 38 popularity Top 1% influence Average impulse Top 1% Powered by BIP!visibility 25visibility views 25 Powered bymore_vert Archivio della ricer... arrow_drop_down Archivio istituzionale della ricerca - Università di Padova; The Astronomical JournalOther literature type . Article . 2021 . Peer-reviewedLicense: IOP Copyright PoliciesArchivio della ricerca- Università di Roma La SapienzaArticle . 2021Data sources: Archivio della ricerca- Università di Roma La SapienzaHAL - UPEC / UPEM; Hal-DiderotArticle . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3847/1538-3881/abf3c3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Preprint , Article , Other literature type 2021 United States, France, FrancePublisher:Proceedings of the National Academy of Sciences Funded by:NSF | RAPID: Field Survey of th..., NSF | CAREER: Multiscale Mechan..., NSF | Leadership Class Scientif...NSF| RAPID: Field Survey of the 27 September 2018 Sulawesi Tsunami ,NSF| CAREER: Multiscale Mechanics of Fluid Infiltrated Fault Zones- An Integrated Research and Education Plan ,NSF| Leadership Class Scientific and Engineering Computing: Breaking Through the LimitsAhmed Elbanna; M.S. Abdelmeguid; Xiao Ma; Faisal Amlani; Harsha S. Bhat; Costas E. Synolakis; Ares J. Rosakis;Tsunami generation from earthquake induced seafloor deformations has long been recognized as a major hazard to coastal areas. Strike-slip faulting has generally been believed as insufficient for triggering large tsunamis, except through the generation of submarine landslides. Herein, we demonstrate that ground motions due to strike-slip earthquakes can contribute to the emergence of large tsunamis (>1m) under rather generic conditions. To this end, we have developed a computational framework that integrates models for earthquake rupture dynamics with models of tsunami generation and propagation. The three-dimensional time-dependent vertical and horizontal ground motions from spontaneous dynamic rupture models are used to drive boundary motions in the tsunami model. Our results suggest that supershear ruptures propagating along strike-slip faults, traversing narrow and shallow bays are prime candidates for tsunami generation. We show that dynamic focusing and the large horizontal displacements, characteristic of strike-slip earthquakes on long faults, are critical drivers for the tsunami hazard. These findings point to intrinsic mechanisms for sizeable tsunami generation by strike-slip faulting, which do not require complex seismic sources, landslides, or complicated bathymetry. Furthermore, our model identifies three distinct phases in the tsunamic motion; an instantaneous dynamic phase, a lagging coseismic and a classical postseismic phase, each of which may affect coastal areas differently. We conclude that near-source tsunami hazards and risk from strike-slip faulting need to be re-evaluated.
Caltech Authors arrow_drop_down Proceedings of the National Academy of SciencesArticle . 2021 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1073/pnas.2025632118&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 27 citations 27 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Caltech Authors arrow_drop_down Proceedings of the National Academy of SciencesArticle . 2021 . Peer-reviewedData sources: Crossrefadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1073/pnas.2025632118&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Part of book or chapter of book , Other literature type 2021 FrancePublisher:Wiley Authors: Lippiello, Eugenio; Petrillo, Giuseppe; Landes, François, P.; Rosso, Alberto;Lippiello, Eugenio; Petrillo, Giuseppe; Landes, François, P.; Rosso, Alberto;This chapter focuses on two specific mechanisms: afterslip and the rate-dependent reduction in the fault friction. It reviews the main assumptions and analytical steps proposed to explain the temporal behavior of aftershocks, in terms of both a time-dependent friction and afterslip dynamics. The chapter presents how two approaches can be combined. More precisely, it re-derives the evolution of a single block, when a stress drop is applied, both in the presence of a velocity-weakening rate-and-state friction law and in the presence of a velocity-strengthening friction law. The approach of a model composed of two spring slider systems is combined with different frictions with the further ingredient of friction heterogeneity. The chapter also presents the analytical derivation of the Omori law according to the interpretation proposed by Dieterich.
https://doi.org/10.1... arrow_drop_down https://doi.org/10.1002/978111...Other literature type . 2021License: Wiley TDMData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationPart of book or chapter of book . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/9781119825050.ch5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert https://doi.org/10.1... arrow_drop_down https://doi.org/10.1002/978111...Other literature type . 2021License: Wiley TDMData sources: CrossrefINRIA a CCSD electronic archive server; Mémoires en Sciences de l'Information et de la CommunicationPart of book or chapter of book . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/9781119825050.ch5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu