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3 results on '"Julien Cattiaux"'

1. Impact of Tropical Cyclones on Inhabited Areas of the SWIO Basin at Present and Future Horizons. Part 2: Modeling Component of the Research Program RENOVRISK-CYCLONE

Author

Christelle Barthe, Olivier Bousquet, Soline Bielli, Pierre Tulet, Joris Pianezze, Marine Claeys, Chia-Lun Tsai, Callum Thompson, François Bonnardot, Fabrice Chauvin, Julien Cattiaux, Marie-Noëlle Bouin, Vincent Amelie, Guilhem Barruol, Radiance Calmer, Stéphane Ciccione, Emmanuel Cordier, Quoc-Phi Duong, Jonathan Durand, Frauke Fleischer-Dogley, Romain Husson, Edouard Lees, Sylvie Malardel, Nicolas Marquestaut, Alberto Mavume, Dominique Mékiès, Alexis Mouche, Navalona Manitriniana Ravoson, Bruno Razafindradina, Elisa Rindraharisaona, Gregory Roberts, Manvendra Singh, Lova Zakariasy, and Jonas Zucule

Subjects
tropical cyclone, south-west Indian ocean, cloud-resolving model, ocean–wave–atmosphere coupling, climate modeling, Meteorology. Climatology, QC851-999
Abstract

The ReNovRisk-Cyclone program aimed at developing an observation network in the south-west Indian ocean (SWIO) in close synergy with the implementation of numerical tools to model and analyze the impacts of tropical cyclones (TC) in the present and in a context of climate change. This paper addresses the modeling part of the program. First, a unique coupled system to simulate TCs in the SWIO is developed. The ocean–wave–atmosphere coupling is considered along with a coherent coupling between sea surface state, wind field, aerosol, microphysics, and radiation. This coupled system is illustrated through several simulations of TCs: the impact of air–sea flux parameterizations on the evolution of TC Fantala is examined, the full coupling developed during the program is illustrated on TC Idai, and the potential of novel observations like space-borne synthetic aperture radar and sea turtles to validate the atmosphere and ocean models is presented with TC Herold. Secondly, the evolution of cyclonic activity in the SWIO during the second half of the 21st century is assessed. It was addressed both using climate simulation and through the implementation of a pseudo global warming method in the high-resolution coupled modeling platform. Our results suggest that the Mascarene Archipelago should experience an increase of TC related hazards in the medium term.

Published
2021
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2. Impact of Tropical Cyclones on Inhabited Areas of the SWIO Basin at Present and Future Horizons. Part 1: Overview and Observing Component of the Research Project RENOVRISK-CYCLONE

Author

Olivier Bousquet, Guilhem Barruol, Emmanuel Cordier, Christelle Barthe, Soline Bielli, Radiance Calmer, Elisa Rindraharisaona, Gregory Roberts, Pierre Tulet, Vincent Amelie, Frauke Fleischer-Dogley, Alberto Mavume, Jonas Zucule, Lova Zakariasy, Bruno Razafindradina, François Bonnardot, Manvendra Singh, Edouard Lees, Jonathan Durand, Dominique Mekies, Marine Claeys, Joris Pianezze, Callum Thompson, Chia-Lun Tsai, Romain Husson, Alexis Mouche, Stephane Ciccione, Julien Cattiaux, Fabrice Chauvin, and Nicolas Marquestaut

Subjects
tropical cyclone, south-west Indian Ocean, gliders, unmanned airborne system, biologging, sea turtles, Meteorology. Climatology, QC851-999
Abstract

The international research program “ReNovRisk-CYCLONE” (RNR-CYC, 2017–2021) directly involves 20 partners from 5 countries of the south-west Indian-Ocean. It aims at improving the observation and modelling of tropical cyclones in the south-west Indian Ocean, as well as to foster regional cooperation and improve public policies adapted to present and future tropical cyclones risk in this cyclonic basin. This paper describes the structure and main objectives of this ambitious research project, with emphasis on its observing components, which allowed integrating numbers of innovative atmospheric and oceanic observations (sea-turtle borne and seismic data, unmanned airborne system, ocean gliders), as well as combining standard and original methods (radiosoundings and global navigation satellite system (GNSS) atmospheric soundings, seismic and in-situ swell sampling, drone and satellite imaging) to support research on tropical cyclones from the local to the basin-scale.

Published
2021
Full Text
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3. Impact of Tropical Cyclones on Inhabited Areas of the SWIO Basin at Present and Future Horizons. Part 2: Modeling Component of the Research Program RENOVRISK-CYCLONE

Author

Fabrice Chauvin, Olivier Bousquet, Jonas Zucule, Frauke Fleischer-Dogley, Quoc-Phi Duong, Edouard Lees, Romain Husson, Alexis Mouche, Callum Thompson, Emmanuel Cordier, François Bonnardot, Radiance Calmer, Navalona Manitriniana Ravoson, Guilhem Barruol, Vincent Amelie, M. Singh, Julien Cattiaux, Bruno Razafindradina, Nicolas Marquestaut, Sylvie Malardel, Alberto Mavume, Chia-Lun Tsai, Stéphane Ciccione, Dominique Mekies, Soline Bielli, Joris Pianezze, M Claeys, E. J. Rindraharisaona, Christelle Barthe, Lova Zakariasy, Gregory Roberts, Pierre Tulet, Jonathan Durand, Marie-Noëlle Bouin, Laboratoire de l'Atmosphère et des Cyclones (LACy), Centre National de la Recherche Scientifique (CNRS)-Université de La Réunion (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Météo France, Laboratoire d'aérologie (LAERO), Centre National de la Recherche Scientifique (CNRS)-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées, Institute for Coastal Marine Research (CMR), Nelson Mandela University, Centre national de recherches météorologiques (CNRM), Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS), Center for Atmospheric REmote Sensing (CARE), Kyungpook National University [Daegu], Direction Interrégionale de Météo-Franc pour l'océan Indien, Laboratoire d'Océanographie Physique et Spatiale (LOPS), Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS), Seychelles Meteorological Authority, Institut de Physique du Globe de Paris (IPGP), Institut national des sciences de l'Univers (INSU - CNRS)-IPG PARIS-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Laboratoire GéoSciences Réunion (LGSR), Université de La Réunion (UR)-Institut de Physique du Globe de Paris, National Snow and Ice Data Center (NSIDC), University of Colorado [Boulder], Kélonia - Observatoire des tortues marines, Observatoire des Sciences de l'Univers de La Réunion (OSU-Réunion), Institut national des sciences de l'Univers (INSU - CNRS)-Université de La Réunion (UR), Seychelles Islands Foundation (SIF), Collecte Localisation Satellites (CLS), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Centre National d'Études Spatiales [Toulouse] (CNES), Eduardo Mondlane University, Institut et Observatoire de Géophysique d’Antisiranana (IOGA), Institut Supérieur de Technologie d’Antisiranana, Scripps Institution of Oceanography (SIO), University of California [San Diego] (UC San Diego), University of California-University of California, Mauritius Oceanography Institute, University of Mauritius, Instituto Nacional de Meteorologia (INAM), Institut national des sciences de l'Univers (INSU - CNRS)-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS)-Météo-France, Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Kyungpook National University [Daegu] (KNU), Direction Interrégionale de Météo-France pour l'océan Indien (DIROI), Météo-France, Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique du Globe de Paris (IPGP (UMR_7154)), Institut national des sciences de l'Univers (INSU - CNRS)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris), Scripps Institution of Oceanography (SIO - UC San Diego), and University of California (UC)-University of California (UC)

Subjects
Atmospheric Science, 010504 meteorology & atmospheric sciences, tropical cyclone, ocean-wave-atmosphere coupling, Climate change, Context (language use), Environmental Science (miscellaneous), 01 natural sciences, Meteorology. Climatology, 14. Life underwater, climate modeling, 0105 earth and related environmental sciences, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, geography, cloud-resolving model, geography.geographical_feature_category, Microphysics, 010505 oceanography, Global warming, ocean–wave–atmosphere coupling, 13. Climate action, Climatology, Archipelago, south-west Indian ocean, Environmental science, Cyclone, Climate model, Tropical cyclone, QC851-999
Abstract

International audience; The ReNovRisk-Cyclone program aimed at developing an observation network in the south-west Indian ocean (SWIO) in close synergy with the implementation of numerical tools to model and analyze the impacts of tropical cyclones (TC) in the present and in a context of climate change. This paper addresses the modeling part of the program. First, a unique coupled system to simulate TCs in the SWIO is developed. The ocean–wave–atmosphere coupling is considered along with a coherent coupling between sea surface state, wind field, aerosol, microphysics, and radiation. This coupled system is illustrated through several simulations of TCs: the impact of air–sea flux parameterizations on the evolution of TC Fantala is examined, the full coupling developed during the program is illustrated on TC Idai, and the potential of novel observations like space-borne synthetic aperture radar and sea turtles to validate the atmosphere and ocean models is presented with TC Herold. Secondly, the evolution of cyclonic activity in the SWIO during the second half of the 21st century is assessed. It was addressed both using climate simulation and through the implementation of a pseudo global warming method in the high-resolution coupled modeling platform. Our results suggest that the Mascarene Archipelago should experience an increase of TC related hazards in the medium term.

Published
2021

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