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Meridional distribution of CO on Venus

We constructed a model which calculates the meridional distribution of some minor chemical species such as CO, H2O, and H2SO4 in the Venus' atmosphere. Our model consists of chemical reactions, advection, diffusion, condensation/evaporation, and sedimentation of cloud particles. The atmospheric temperature and density profiles are fixed, and a steady one-cell structure of the meridional circulation in each hemisphere is assumed. A steady state distribution is numerically solved by using time-marching.

In this century, our knowledge about the earth's twin sister, Venus, has greatly been advanced through two latest missions, ESA's Venus Express and JAXA's Akatsuki. The latter, in Venus orbit since December 2015, is providing high-quality data that allow studies of atmospheric dynamics in particular. Successful missions are the trigger of ideas of new missions (Russian Venera-D and Indian Shukrayaan-1 under development, European EnVision, and some US proposals). This session invites papers of the new results from data (spacecraft and ground-based), latest results of theoretical and numerical works, and descriptions of new missions as well.

JpGU-AGU Joint Meeting 2020

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[PPS06-P11]Meridional distribution of CO on Venus

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