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The process-based SIM-BIM model : towards more realistic prediction of isoprene emissions from adult Quercus petraea forest trees

Zimmer, W. and Steinbrecher, R. and Körner, Christian and Schnitzler, J. P.. (2003) The process-based SIM-BIM model : towards more realistic prediction of isoprene emissions from adult Quercus petraea forest trees. Atmospheric environment, Vol. 37, H. 12. pp. 1665-1671.

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Official URL: http://edoc.unibas.ch/dok/A5249117

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Abstract

The seasonal isoprene synthase model-biochemical isoprenoid biosynthesis model (SIM-BIM) is a recently developed process-based model to simulate isoprene emissions from vegetation. This model was validated using isoprene emission measurements from adult Quercus petraea (Mattuschka) Liebl. trees growing in a natural forest. Temperature and photosynthetic photon flux density (PPFD) data from a 120-year-old forest stand at Hofstetten in NW Switzerland were used to run SIM-BIM. Experimental isoprene synthase activity and isoprene emission rates from adult Q. petraea trees were compared to the model outputs for the years 2000 and 2001. High correlation (16.5 deviation for isoprene synthase activity and 28 isoprene emission factors) was observed between modelled and experimental data. In addition, a comparison was performed of the modelled values of SIM-BIM to values calculated using the algorithm ISOG97 of Guenther (Ecol. Appl. 7 (1997) 34). On the basis of the temperature and PPFD data from Hofstetten, this comparison clearly displayed the capability of SIM-BIM to simulate dynamic isoprene emission capacities during warm and sunny periods, and thus to model isoprene emission rates in a realistic manner for these conditions.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Ehemalige Einheiten Umweltwissenschaften > Pflanzenökologie (Körner)
UniBasel Contributors:Körner, Christian
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Pergamon
ISSN:1352-2310
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:25
Deposited On:22 Mar 2012 13:45

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