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Advancing Venus Atmospheric Modeling via Coordinated HST-Akatsuki Observations

Abstract : Venus' global-scale H2SO4 cloud and haze layers form via the combination of SO3 and H2O, and SO3 forms via oxidation of SO2. Sulfur-bearing and sulfur-oxidized species, such as SO2 , SO, S, OCS, H2 O4 , are key traces of Venus' H2SO4 cloud/haze formation process. These species are also important tracers of the ongoing chemical evolution of Venus' atmosphere, atmospheric dynamics, and the level/history of active volcanism occurring on the planet. However, the specific pathways (which may be chemical, microphysical and/or dynamical) that balance the budget of sulfur (and oxidized sulfur) in Venus' atmosphere are ill-defined, as are the mechanisms that sustain the density of the clouds. As result, Venus' climate evolution is ill-defined, and understanding Venus' sulfur-budget is highlighted as an important Venus exploration target.
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Submitted on : Wednesday, March 2, 2016 - 3:07:10 PM
Last modification on : Tuesday, November 16, 2021 - 5:14:14 AM
Long-term archiving on: : Friday, June 3, 2016 - 11:25:39 AM


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  • HAL Id : insu-01281655, version 1


Kandis Lea Jessup, Takeshi Imamura, M. Nakamura, Franklin Mills, Emmanuel Marcq, et al.. Advancing Venus Atmospheric Modeling via Coordinated HST-Akatsuki Observations. 47th Lunar and Planetary Science Conference, Mar 2016, The Woodlands, Texas, United States. ⟨insu-01281655⟩



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