Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights
International audience Martian CO2 ice clouds are intriguing features, representing a rare occurrence of atmosphericcondensation of a major component. These clouds play a crucial role due to their radiative properties,interactions with surface, and coupling with microphysical cycles of aerosols. Obs...
Published in: | Geophysical Research Letters |
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ftsorbonneuniv:oai:HAL:insu-04620042v1 2024-10-20T14:11:18+00:00 Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights Caillé, Vincent Spiga, Aymeric Määttänen, Anni Falletti, Lola Mathé, Christophe Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) PLANETO - LATMOS Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) ANR-18-CE31-0013,MECCOM,Modéliser des nuages exotiques de CO2 sur Mars(2018) 2024-06-20 https://insu.hal.science/insu-04620042 https://insu.hal.science/insu-04620042v1/document https://insu.hal.science/insu-04620042v1/file/GRL-%202024%20-%20Caille%CC%81%20-%20Resolving%20.pdf https://doi.org/10.1029/2023gl106923 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2023gl106923 doi:10.1029/2023gl106923 http://creativecommons.org/licenses/by-nc-nd/ info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://insu.hal.science/insu-04620042 Geophysical Research Letters, 2024, 51 (12), pp.e2023GL106923. ⟨10.1029/2023gl106923⟩ atmosphere CO2 clouds LES Modelization Mars platenology [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2024 ftsorbonneuniv https://doi.org/10.1029/2023gl106923 2024-09-29T23:54:55Z International audience Martian CO2 ice clouds are intriguing features, representing a rare occurrence of atmosphericcondensation of a major component. These clouds play a crucial role due to their radiative properties,interactions with surface, and coupling with microphysical cycles of aerosols. Observations have been limited,prompting modeling studies to understand their formation and dynamics. Here, we present the first high‐resolution 3D simulations of CO2 ice clouds using a Large‐Eddy Simulation (LES) model incorporating CO2microphysics. We investigate cloud formation in idealized temperature perturbations in the polar night. Areference simulation with a 2K perturbation demonstrates that the formed CO2 ice cloud possesses aconvective potential, leading to its ascent in the troposphere. We determine the timescales and orders ofmagnitude of various phenomena involved in the lifecycle of a CO2 ice cloud. Sensitivity tests show thatconvection can be inhibited or intensified by the thermodynamic and microphysical conditions of the simulatedenvironment. Article in Journal/Newspaper polar night HAL Sorbonne Université Geophysical Research Letters 51 12 |
institution |
Open Polar |
collection |
HAL Sorbonne Université |
op_collection_id |
ftsorbonneuniv |
language |
English |
topic |
atmosphere CO2 clouds LES Modelization Mars platenology [SDU]Sciences of the Universe [physics] |
spellingShingle |
atmosphere CO2 clouds LES Modelization Mars platenology [SDU]Sciences of the Universe [physics] Caillé, Vincent Spiga, Aymeric Määttänen, Anni Falletti, Lola Mathé, Christophe Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights |
topic_facet |
atmosphere CO2 clouds LES Modelization Mars platenology [SDU]Sciences of the Universe [physics] |
description |
International audience Martian CO2 ice clouds are intriguing features, representing a rare occurrence of atmosphericcondensation of a major component. These clouds play a crucial role due to their radiative properties,interactions with surface, and coupling with microphysical cycles of aerosols. Observations have been limited,prompting modeling studies to understand their formation and dynamics. Here, we present the first high‐resolution 3D simulations of CO2 ice clouds using a Large‐Eddy Simulation (LES) model incorporating CO2microphysics. We investigate cloud formation in idealized temperature perturbations in the polar night. Areference simulation with a 2K perturbation demonstrates that the formed CO2 ice cloud possesses aconvective potential, leading to its ascent in the troposphere. We determine the timescales and orders ofmagnitude of various phenomena involved in the lifecycle of a CO2 ice cloud. Sensitivity tests show thatconvection can be inhibited or intensified by the thermodynamic and microphysical conditions of the simulatedenvironment. |
author2 |
Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) PLANETO - LATMOS Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) ANR-18-CE31-0013,MECCOM,Modéliser des nuages exotiques de CO2 sur Mars(2018) |
format |
Article in Journal/Newspaper |
author |
Caillé, Vincent Spiga, Aymeric Määttänen, Anni Falletti, Lola Mathé, Christophe |
author_facet |
Caillé, Vincent Spiga, Aymeric Määttänen, Anni Falletti, Lola Mathé, Christophe |
author_sort |
Caillé, Vincent |
title |
Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights |
title_short |
Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights |
title_full |
Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights |
title_fullStr |
Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights |
title_full_unstemmed |
Resolving Convection of CO 2 Ice Clouds in the Martian Polar Nights |
title_sort |
resolving convection of co 2 ice clouds in the martian polar nights |
publisher |
HAL CCSD |
publishDate |
2024 |
url |
https://insu.hal.science/insu-04620042 https://insu.hal.science/insu-04620042v1/document https://insu.hal.science/insu-04620042v1/file/GRL-%202024%20-%20Caille%CC%81%20-%20Resolving%20.pdf https://doi.org/10.1029/2023gl106923 |
genre |
polar night |
genre_facet |
polar night |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://insu.hal.science/insu-04620042 Geophysical Research Letters, 2024, 51 (12), pp.e2023GL106923. ⟨10.1029/2023gl106923⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2023gl106923 doi:10.1029/2023gl106923 |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2023gl106923 |
container_title |
Geophysical Research Letters |
container_volume |
51 |
container_issue |
12 |
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1813451658309402624 |