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Evaluation of meteorological parameters over a coniferous forest in a single-column chemistry-climate model

Title data

Ganzeveld, Laurens ; Klemm, Otto ; Rappenglück, Bernhard ; Valverde-Canossa, Jessica:
Evaluation of meteorological parameters over a coniferous forest in a single-column chemistry-climate model.
In: Atmospheric Environment. Vol. 40 (2006) Issue Suppl. 1 . - pp. 21-27.
ISSN 1352-2310
DOI: https://doi.org/10.1016/j.atmosenv.2006.01.061

Abstract in another language

The simulated micrometerology by a single-column chemistry-climate model (SCM) has been evaluated by comparison with BEWA2000 field campaign measurements over a coniferous forest, July–August 2001. This comparison indicates the limitations in the representation of the SCM's micrometeorological parameters that control atmosphere–biosphere peroxide exchanges. The evaluation of the micrometeorology also indicates that the validity of the so-called nudging technique to force climate models such as the SCM to the observed meteorology is sensitive to the applied timestep. For the typical timestep used in global scale climate models, numerical instabilities in the calculation of surface exchanges occur due to a misrepresentation of the surface–atmosphere temperature gradient. However, using a 1-min timestep shows good agreement between the simulated and observed meteorology of a wet and cold period during the campaign whereas the model underestimates daytime and nocturnal turbulent exchanges during a following warm and dry period.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER43792
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Professorship Micrometeorology - Univ.-Prof. Dr. Thomas Foken
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 11 Sep 2015 06:33
Last Modified: 11 Sep 2015 06:33
URI: https://eref.uni-bayreuth.de/id/eprint/19165