Intense decadal variations of Venus' UV albedo, and its impact on solar heating rate and atmospheric dynamics

Yeon Joo Lee 1, 2 Kandis-Lea Jessup 3 Santiago Pérez-Hoyos 4 Dmitrij V. Titov 5 Sébastien Lebonnois 6 Javier Peralta 7 Takeshi Horinouchi 8 Takeshi Imamura 1 Sanjay Limaye 9 Emmanuel Marcq 10 Masahiro Takagi 11 Atsushi Yamazaki 7 Manabu Yamada 12 Shigeto Watanabe 13 Shin-Ya Murakami 7 Kazunori Ogohara 14 William Mcclintock 15 Gregory Holsclaw 15 Anthony Roman 16
1 University of Tokyo [Kashiwa Campus]
2 TUB - Technische Universität Berlin
3 SwRI - Southwest Research Institute [Boulder]
4 Departamento de Fisica Aplicada [Bilbao]
5 ESTEC - European Space Research and Technology Centre
6 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)
7 ISAS - Institute of Space and Astronautical Science
8 Hokkaido University
9 Department of Atmospheric and Oceanic Sciences [Madison]
10 IMPEC - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
11 Kyoto Sangyo University
12 PERC - Planetary Exploration Research Center [Chiba]
13 Hokkaido Information University
14 University of Shiga Prefecture
15 LASP - Laboratory for Atmospheric and Space Physics [Boulder]
16 STSci - Space Telescope Science Institute
Abstract : We report the first quantitative study on the variabil-ity of Venus’ cloud albedo at 365 nm using data ac-quired by four independent space-based instruments.We show a factor of 2 albedo variation had been oc-curred in the past decade. This is sufficient amount toalter solar heating rate at the cloud top level, whichconsequently can affect atmospheric dynamics, i.e.,zonal winds near the cloud top level
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Yeon Joo Lee, Kandis-Lea Jessup, Santiago Pérez-Hoyos, Dmitrij V. Titov, Sébastien Lebonnois, et al.. Intense decadal variations of Venus' UV albedo, and its impact on solar heating rate and atmospheric dynamics. EPSC-DPS Joint Meeting 2019, Sep 2019, Geneva, Switzerland. pp.EPSC-DPS2019-66-1. ⟨insu-02263277⟩

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