7. Dynamics,winds, circulation and turbulence in the atmosphere of venus |
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| Authors: | G Schubert C C Counselman III J Hansen S S Limaye G Pettengill A Seiff I I Shapiro V E Suomi F Taylor L Travis R Woo R E Young |
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| Institution: | (1) Department of Geophysics and Space Physics, University of California, 90024 Los Angeles, Calif., USA;(2) Department of Earth and Planetary Science, Massachusetts Institute of Technology, 02139 Cambridge, Mass., USA;(3) Institute for Space Studies, National Aeronautics and Space Administration, 10025 New York, NY, USA;(4) Space Science and Engineering Center, University of Wisconsin, 53706 Madison, Wis., USA;(5) Department of Earth and Planetary Science, Massachusetts Institute of Technology, 02139 Cambridge, Mass., USA;(6) Space Science Division, Ames Research Center, 94035 Moffett Field, Calif., USA;(7) Department of Earth and Planetary Science, Massachusetts Institute of Technology, 02139 Cambridge, Mass., USA;(8) Space Science and Engineering Center, University of Wisconsin, 53706 Madison, Wis., USA;(9) Jet Propulsion Laboratory, 91103 Pasadena, Calif., USA;(10) Institute for Space Studies, National Aeronautics and Space Administration, 10025 New York, N.Y., USA;(11) Jet Propulsion Laboratory, 91103 Pasadena, Calif., USA;(12) Space Science Division, Ames Research Center, 94035 Moffet Field, Calif., USA |
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| Abstract: | With the possible exception of the lowest one or two scale heights, the dominant mode of circulation of Venus' atmosphere is a rapid, zonal, retrograde motion. Global albedo variations in the ultraviolet may reflect planetary scale waves propagating relative to the zonal winds. Other special phenomena such as cellular convection in the subsolar region and internal gravity waves generated in the interaction of the zonal circulation with the subsolar disturbance may also be revealed in ultraviolet imagery of the atmosphere. We discuss the contributions of experiments on the Orbiter and Entry Probes of Pioneer Venus toward unravelling the mystery of the planet's global circulation and the role played by waves, instabilities and convection therein. |
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