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Retrieval of temperature profiles and cloud parameters in the nightside mesosphere of Venus based on VIRTIS-M-IR and VENERA-15-PMV radiation measurements

Haus, Rainer and Arnold, Gabriele and Kappel, David and Piccioni, Giuseppe and Drossart, Pierre and Zasova, Lusja (2011) Retrieval of temperature profiles and cloud parameters in the nightside mesosphere of Venus based on VIRTIS-M-IR and VENERA-15-PMV radiation measurements. In: EPSC-DPS2011, Vol. 6, 6. EPSC-DPS Joint Meeting 2011, 02.-07. Okt. 2011, Nantes, Frankreich.

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Official URL: http://http://meetingorganizer.copernicus.org/EPSC-DPS2011/EPSC-DPS2011-59-1.pdf

Abstract

Latitudinal variations of mesospheric temperature profiles, cloud top altitudes, and cloud optical depths were investigated using both VIRTIS-M-IR and VENERA-15-PMV nadir-looking nightside radiation measurements over the northern hemisphere of Venus. Prominent and well-known temperature structures like 'cold collar' and 'hot dipole' were reexamined and decreasing cloud top altitudes towards the pole were identified. First results on spectral changes of cloud optical depth were obtained that are required to produce optimum fits of measured brightness spectra. The variations may indicate spatial and temporal changes of cloud composition.

Document Type:Conference or Workshop Item (Speech)
Title:Retrieval of temperature profiles and cloud parameters in the nightside mesosphere of Venus based on VIRTIS-M-IR and VENERA-15-PMV radiation measurements
Authors:
AuthorsInstitution or Email of Authors
Haus, RainerWestfälische Wilhelms-Universität Münster
Arnold, GabrieleGabriele.Arnold@dlr.de
Kappel, DavidWestfälische Wilhelms-Universität Münster
Piccioni, GiuseppeINAF-IASF, Italy
Drossart, PierreLESIA, Observatoire de Paris, France
Zasova, LusjaSpace Research Institute, Moscow, Russia
Date:6 October 2011
Journal or Publication Title:EPSC-DPS2011, Vol. 6
Refereed publication:No
In ISI Web of Science:No
Volume:6
Series Name:EPSC Abstracts
Status:Published
Keywords:VIRTIS, VEX, PMV, Venus, retrieval, temperature, clouds
Event Title:EPSC-DPS Joint Meeting 2011
Event Location:Nantes, Frankreich
Event Type:international Conference
Event Dates:02.-07. Okt. 2011
Organizer:Europlanet
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 (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: David Kappel
Deposited On:22 Feb 2012 13:38
Last Modified:12 Dec 2013 21:37

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