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The dynamic atmospheric and aeolian environment of Jezero crater, Mars

Claire Newman 1, * Ricardo Hueso 2 Mark T. Lemmon 3 Asier Munguira 2 Álvaro Vicente -Retortillo 4 Víctor Apestigue 5 Germán M. Martínez 6, 7 Daniel Toledo 5 Rob Sullivan 8 Ken Herkenhoff 9 Manuel de Latorre Juárez 10 Mark I. Richardson 1 Alexander Stott 11 Naomi Murdoch 11 Agustín Sanchez-Lavega 2 Michael J. Wolff 3 Ignacio Arruego 5 Eduardo Sebastián 4 Sara Navarro 4 Javier Gómez-Elvira 4, 5 Leslie Tamppari 10 Daniel Viúdez-Moreiras 4 Ari-Matti Harri 12 Maria Genzer 12 Maria Hieta 12 Ralph D. Lorenz 13 Pan Conrad 14 Felipe Gómez 4 Timothy H. Mcconnochie 3, 15 David Mimoun 11 Christian Tate 8 Tanguy Bertrand 16 James F. Bell 17 Justin N. Maki 10 Jose Antonio Rodriguez-Manfredi 4 Roger C. Wiens 18, 19 Baptiste Chide 20 Sylvestre Maurice 20 Maria-Paz Zorzano 4 Luis Mora 4 Mariah M. Baker 21 Don Banfield 22, 8 Jorge Pla-Garcia 4, 3 Olivier Beyssac 23 Adrian Brown 24 Ben Clark 3 Alain Lepinette 4 Franck Montmessin 25 Erik Fischer 7 Priyaben Patel 10, 26 Teresa del Río-Gaztelurrutia 2 Thierry Fouchet 16 Raymond Francis 10 Scott D. Guzewich 27 
Abstract : Despite the importance of sand and dust to Mars geomorphology, weather, and exploration, the processes that move sand and that raise dust to maintain Mars' ubiquitous dust haze and to produce dust storms have not been well quantified in situ, with missions lacking either the necessary sensors or a sufficiently active aeolian environment. Perseverance rover's novel environmental sensors and Jezero crater's dusty environment remedy this. In Perseverance's first 216 sols, four convective vortices raised dust locally, while, on average, four passed the rover daily, over 25% of which were significantly dusty ("dust devils"). More rarely, dust lifting by nonvortex wind gusts was produced by daytime convection cells advected over the crater by strong regional daytime upslope winds, which also control aeolian surface features. One such event covered 10 times more area than the largest dust devil, suggesting that dust devils and wind gusts could raise equal amounts of dust under nonstorm conditions.
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Submitted on : Wednesday, June 1, 2022 - 5:28:12 PM
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Claire Newman, Ricardo Hueso, Mark T. Lemmon, Asier Munguira, Álvaro Vicente -Retortillo, et al.. The dynamic atmospheric and aeolian environment of Jezero crater, Mars. Science Advances , American Association for the Advancement of Science (AAAS), 2022, 8 (21), ⟨10.1126/sciadv.abn3783⟩. ⟨insu-03684978⟩



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