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Simulated versus observed trace gases: EMAC model & ESMVal HALO campaign

Gottschaldt, Klaus-Dirk and Eyring, Veronika and Jöckel, Patrick and Jurkat, Tina and Schlager, Hans and Voigt, Christiane and Ziereis, Helmut (2014) Simulated versus observed trace gases: EMAC model & ESMVal HALO campaign. Third Chemistry-Climate Model Initiative (CCMI) Workshop, Lancaster, UK. (Unpublished)

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Abstract

During the ESMVal campaign the High Altitude Long Range Aircraft HALO measured selected atmospheric trace gases, from the surface to 15 km altitude. A region ranging from Norway to the southern polar vortex was sampled within 10 days in September 2012. Dedicated hind-cast simulations for the campaign were conducted with the global ECHAM/MESSy Atmospheric Chemistry model, based on the CCMI REF-C1SD setup. In addition, sensitivity simulations are performed to isolate the effects of different parameterizations and settings in the model. We present preliminary comparisons between simulations and observations. Specified dynamics and online sampling along the flight track with a temporal resolution of the model time step improve the comparability, but climatological diagnostics are also needed to identify problems in the model that may need attention. The ESMVal flight path is available from the website of the CCMI working group on improved evaluation of chemistry-climate models using in-situ research aircraft data. In a follow-up study this work can therefore be extended to other CCMI models or similar methods could be applied to compare to other available aircraft data.

Item URL in elib:https://elib.dlr.de/97031/
Document Type:Conference or Workshop Item (Poster)
Title:Simulated versus observed trace gases: EMAC model & ESMVal HALO campaign
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gottschaldt, Klaus-DirkDLR, IPAUNSPECIFIED
Eyring, VeronikaDLR, IPAUNSPECIFIED
Jöckel, PatrickDLR, IPAUNSPECIFIED
Jurkat, TinaDLR, IPAUNSPECIFIED
Schlager, HansDLR, IPAUNSPECIFIED
Voigt, ChristianeDLR, IPAUNSPECIFIED
Ziereis, HelmutDLR, IPAUNSPECIFIED
Date:May 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:aircraft measurements, atmospheric chemistry simulations
Event Title:Third Chemistry-Climate Model Initiative (CCMI) Workshop
Event Location:Lancaster, UK
Event Type:Workshop
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 - Projekt ESMVal (old), R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics
Deposited By: Gottschaldt, Klaus-Dirk
Deposited On:09 Jul 2015 17:12
Last Modified:09 Jul 2015 17:12

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