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Partitioning and budget of inorganic and organic chlorine observed by MIPAS-B and TELIS in the Arctic in January 2010 and March 2011

Wetzel, Gerald and Birk, Manfred and de Lange, A. and Oelhaf, H. and Friedl-Vallon, F. and Kirner, O. and Kleinert, Anne and Maucher, G. and Nordmeyer, H. and Orphal, J. and Ruhnke, O. and Sinnhuber, B.-M. (2014) Partitioning and budget of inorganic and organic chlorine observed by MIPAS-B and TELIS in the Arctic in January 2010 and March 2011. European Geosciences Union General Assembly 2014, 27. Apr. - 2. Mai 2014, Wien, Österreich.

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Abstract

Arctic winters 2009/2010 and 2010/2011 were characterized by strong vortices with extremely cold temperatures in the lower stratosphere above northern Scandinavia. Hence, the occurrence of widespread polar stratospheric clouds enabled a strong activation of chlorine compounds (ClOx) which rapidly destroyed ozone when sunlight returned after winter solstice. MIPAS (Michelson Interferometer for Passive Atmospheric Sounding) balloon measurements obtained in northern Sweden on 24 January 2010 and 31 March 2011 inside the polar vortices have provided vertical profiles of inorganic and organic chlorine species as well as diurnal variations of ClO around sunrise over the whole altitude range in which chlorine is undergoing activation and deactivation. The first flight was carried out in very cold chlorine-activated air with widespread polar stratospheric clouds. The second one was performed at the end of the winter during the last phase of ClOx deactivation. The Terahertz and submillimeter Limb Sounder TELIS was mounted on the MIPAS balloon gondola. TELIS is able to detect the chlorine species ClO and HCl. The complete inorganic and organic chlorine partitioning and budget in the stratosphere has been derived by combining MIPAS-B and TELIS simultaneously observed molecules. Observations are compared and discussed with calculations performed with the 3-dimensional Chemistry Climate Model EMAC (ECHAM5/MESSy Atmospheric Chemistry).

Item URL in elib:https://elib.dlr.de/93593/
Document Type:Conference or Workshop Item (Poster)
Title:Partitioning and budget of inorganic and organic chlorine observed by MIPAS-B and TELIS in the Arctic in January 2010 and March 2011
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wetzel, GeraldKarlsruhe Institute of Technology (KIT), Institute for Meteorology and Climate Research (IMK), 76021 Karlsruhe, GermanyUNSPECIFIED
Birk, Manfredmanfred.birk (at) dlr.deUNSPECIFIED
de Lange, A.SRON Netherlands Institute for Space Research, Utrecht, the NetherlandsUNSPECIFIED
Oelhaf, H.Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, GermanyUNSPECIFIED
Friedl-Vallon, F.Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, GermanyUNSPECIFIED
Kirner, O.Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, GermanyUNSPECIFIED
Kleinert, AnneKarlsruhe Institute of Technology (KIT), Institute for Meteorology and Climate Research (IMK), 76021 Karlsruhe, GermanyUNSPECIFIED
Maucher, G.Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, GermanyUNSPECIFIED
Nordmeyer, H.Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Karlsruhe, GermanyUNSPECIFIED
Orphal, J.Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Eggenstein-Leopoldshafen 76344, GERMANYUNSPECIFIED
Ruhnke, O.Karlsruhe Institute of Technology (KIT), Karlsruhe, GermanyUNSPECIFIED
Sinnhuber, B.-M.Karlsruhe Institute of Technology (KIT), Karlsruhe, GermanyUNSPECIFIED
Date:2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:16
Series Name:Geophysical Research Abstracts
Status:Published
Keywords:stratospheric chlorine budget, atmospheric remote sensing, MIPAS-B, TELIS
Event Title:European Geosciences Union General Assembly 2014
Event Location:Wien, Österreich
Event Type:international Conference
Event Dates:27. Apr. - 2. Mai 2014
Organizer:European Geosciences Union
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Spektrometrische Verfahren und Konzepte der Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Birk, Manfred
Deposited On:12 Dec 2014 11:09
Last Modified:12 Dec 2014 11:09

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