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A generalized tagging method

Grewe, Volker (2012) A generalized tagging method. Geoscientific Model Development. Copernicus Verlag. (In Press)

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The understanding of causes of changes in climate-chemistry simulations is an important, but often challenging task. In atmospheric chemistry, one approach is to tag species according their origin (e.g. emission categories) and to inherit these tags to other species during subsequent reactions. This concept was recently employed to calculate the contribution of atmospheric processes to temperature. Here a new concept for tagging any state variable is presented. This generalized tagging method results from a sensitivity analysis of the forcing terms of the right hand side of the governing differential equations. In a couple of examples, the consistency with previous approaches is shown. Since the method is based on a ratio describing relative sensitivities, singularities occur where the method is not applicable. For some applications, like in atmospheric chemistry, these singularities can easily be removed. However, one theoretical example is given, where this method is not applicable at all.

Document Type:Article
Title:A generalized tagging method
AuthorsInstitution or Email of Authors
Grewe, VolkerVolker.Grewe@dlr.de
Journal or Publication Title:Geoscientific Model Development
Refereed publication:Yes
In Open Access:Yes
In ISI Web of Science:Yes
Publisher:Copernicus Verlag
Status:In Press
Keywords:Tagging, Source attribution
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - Verkehrsentwicklung und Umwelt (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Dr.rer.nat. Volker Grewe
Deposited On:16 Oct 2012 10:03
Last Modified:27 Feb 2013 11:53

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