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| Titel |
Implementation and evaluation of an array of chemical solvers in the Global Chemical Transport Model GEOS-Chem |
| VerfasserIn |
P. Eller, K. Singh, A. Sandu, K. Bowman, D. K. Henze, M. Lee |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1991-959X
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| Digitales Dokument |
URL |
| Erschienen |
In: Geoscientific Model Development ; 2, no. 2 ; Nr. 2, no. 2 (2009-07-22), S.89-96 |
| Datensatznummer |
250000538
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| Publikation (Nr.) |
 copernicus.org/gmd-2-89-2009.pdf |
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| Zusammenfassung |
| This paper discusses the implementation and performance of an array of
gas-phase chemistry solvers for the state-of-the-science GEOS-Chem global
chemical transport model. The implementation is based on the Kinetic
PreProcessor (KPP). Two perl parsers automatically generate the needed
interfaces between GEOS-Chem and KPP, and allow access to the chemical
simulation code without any additional programming effort. This work illustrates
the potential of KPP to positively impact global chemical transport modeling by
providing additional functionality as follows.
(1) The user can select a highly efficient numerical integration method from an array of solvers available in the KPP library.
(2) KPP offers a wide variety of user options for studies that involve changing the chemical mechanism (e.g., a set of additional
reactions is automatically translated into efficient code and incorporated into a modified global model).
(3) This work provides access to tangent linear, continuous adjoint, and discrete adjoint chemical models, with
applications to sensitivity analysis and data assimilation. |
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