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Lagrangian Transport in a Chemistry Climate Model: Methods and Applications

Jöckel, Patrick and Brinkop, Sabine and Grewe, Volker and Sausen, Robert (2011) Lagrangian Transport in a Chemistry Climate Model: Methods and Applications. Chapman Conference on Langrangian Modeling, 10 – 14 Oct 2011, Grindelwald, Switzerland.

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Abstract

The global ECHAM5/MESSy Atmospheric Chemistry (EMAC) Model is equipped with the Lagrangian transport submodel ATTILA and further corresponding Lagrangian process and diagnostic submodels. The long-term objective of this development is a full representation of atmospheric chemistry related processes in the Lagrangian frame of reference on the global scale. Furthermore, the system serves as a test-bed for new approaches, like the development of a Lagrangian dynamical climate model core. Apart from the common advantages of the Lagrangian approach (mainly mass conservation and nondiffusivity), it provides valuable additional information about spatio-temporal interrelations of atmospheric constituents, which are hardly available from Eulerian modelsW. e present our methods for inter-particle diffusion, large scale and convective transport. The results shown focus on the mass exchange between the stratosphere and the troposphere, on lower stratospheric age of air spectra, and on an inter-comparison of Eulerian and Lagrangian convection and their influence on vertical tracer gradients.

Document Type:Conference or Workshop Item (Poster)
Title:Lagrangian Transport in a Chemistry Climate Model: Methods and Applications
Authors:
AuthorsInstitution or Email of Authors
Jöckel, PatrickPatrick.Joeckel@dlr.de
Brinkop, SabineSbine.Brinkop@dlr.de
Grewe, VolkerVolker.Grewe@dlr.de
Sausen, RobertRobert.Sausen@dlr.de
Date:10 October 2011
Status:Published
Keywords:Lagrangian Modeling, Global Modeling, Atmospheric Modeling
Event Title:Chapman Conference on Langrangian Modeling
Event Location:Grindelwald, Switzerland
Event Type:international Conference
Event Dates:10 – 14 Oct 2011
Organizer:American Geophysical Union (AGU)
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 Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Patrick Jöckel
Deposited On:11 Nov 2011 13:55
Last Modified:12 Dec 2013 21:23

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