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Morphology and dynamics of the upper cloud layer of Venus

Markiewicz, W. J. and Titov, D. V. and Limaye, S. S. and Keller, H. U. and Ignatiev, N. and Jaumann, R. and Thomas, N. and Michalik, H. and Moissl, R. and Pusso, P. (2007) Morphology and dynamics of the upper cloud layer of Venus. Nature, 450, pp. 633-636. DOI: 10.1038/nature06320

Full text not available from this repository.

Abstract

Venus is completely covered by a thick cloud layer, of which the upper part is composed of sulphuric acid and some unknown aerosols. The cloud tops are in fast retrograde rotation (super-rotation), but the factors responsible for this super-rotation are unknown. Here we report observations of Venus with the Venus Monitoring Camera on board the Venus Express spacecraft. We investigate both global and small-scale properties of the clouds, their temporal and latitudinal variations, and derive wind velocities. The southern polar region is highly variable and can change dramatically on timescales as short as one day, perhaps arising from the injection of SO<sub>2</sub> into the mesosphere. The convective cells in the vicinity of the subsolar point are much smaller than previously inferred, which we interpret as indicating that they are confined to the upper cloud layer, contrary to previous conclusions, but consistent with more recent study.

Item URL in elib:https://elib.dlr.de/52913/
Document Type:Article
Title:Morphology and dynamics of the upper cloud layer of Venus
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Markiewicz, W. J.Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, GermanyUNSPECIFIED
Titov, D. V.Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, Germany; Space Research Institute (IKI), 117997 Moscow, RussiaUNSPECIFIED
Limaye, S. S.Space Science and Engineering Center, University of Wisconsin, Madison, Wisconsin 53706, USAUNSPECIFIED
Keller, H. U.Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, GermanyUNSPECIFIED
Ignatiev, N.Space Research Institute (IKI), 117997 Moscow, RussiaUNSPECIFIED
Jaumann, R.UNSPECIFIEDUNSPECIFIED
Thomas, N.Physikalisches Institut, CH-3012 Bern, SwitzerlandUNSPECIFIED
Michalik, H.IDA, TU Braunschweig, D-38106 Braunschweig, GermanyUNSPECIFIED
Moissl, R.Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, GermanyUNSPECIFIED
Pusso, P.Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, GermanyUNSPECIFIED
Date:2007
Journal or Publication Title:Nature
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:450
DOI :10.1038/nature06320
Page Range:pp. 633-636
Status:Published
Keywords:Venus, clouds, Venus Express
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Venus Express Kamera (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:16 Jan 2008
Last Modified:27 Apr 2009 14:39

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