Abstract
Closing the Gap Between Theory and Observations of Venus Atmospheric Dynamics with New Measurements
Highlights
The Venus community is applying the latest technologies and numerical tools to the exploration of Venus’ atmosphere
Executive Summary: The purpose of this white paper is to advocate for a new paradigm in Venus atmospheric missions producing new state-of-the-art atmospheric measurements
The relative speed of the zonal flows varies with altitude in a manner that seems to be organized into 3 different zones of flow, for reasons not fully understood
Summary
Scientists (whether conducting observations, experiments, or developing new theoretical tools) view an atmosphere to consist of delimited and defined vertical regions. The coupling of different altitude/local time regions seems to be one of the sources of disagreement between past data and current simulations This suggests that observations of the lower atmosphere, the upper atmosphere, and the ionosphere must occur simultaneously. Several Venus time dependent 3D numerical tools (producing numerical simulations) are being utilized to investigate the physical processes controlling Venus’ atmosphere and to interpret past observational profiles and localized data Plasma Distribution Functions: This would contribute to the understanding of the energy inflow and outflow of Venus’ atmosphere via energetic particles These measurements will provide ion/electron temperatures, further illuminating the process that couples plasma and neutrals. This short list of needed observations will begin to close the gap between theory and observations and accelerate the scientific endeavor of understanding Venus’ atmosphere
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