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

Yeon Joo Lee; Kandis-Lea Jessup; Santiago Pérez-Hoyos; Dmitrij V. Titov; Sébastien Lebonnois; Javier Peralta; Takeshi Horinouchi; Takeshi Imamura; Sanjay Limaye; Emmanuel Marcq; Masahiro Takagi; Atsushi Yamazaki; Manabu Yamada; Shigeto Watanabe; Shin-Ya Murakami; Kazunori Ogohara; William Mcclintock; Gregory Holsclaw; Anthony Roman

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

Document type :

Conference papers

Domain :

Sciences of the Universe [physics]

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Last modification on : Friday, August 23, 2019 - 1:23:22 AM

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

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