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The process-based SIM-BIM model : towards more realistic prediction of isoprene emissions from adult Quercus petraea forest trees
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 55104
Author(s) Zimmer, W; Steinbrecher, R; Korner, C; Schnitzler, JP
Author(s) at UniBasel Körner, Christian
Year 2003
Title The process-based SIM-BIM model : towards more realistic prediction of isoprene emissions from adult Quercus petraea forest trees
Journal Atmospheric environment
Volume 37
Number 12
Pages / Article-Number 1665-1671
Keywords isoprene emission rate, seasonality, SIM-BIM, ISOG97, isoprene synthase, model validation, Quercus petraea
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. (C) 2003 Elsevier Science Ltd. All rights reserved.
Publisher Pergamon
ISSN/ISBN 1352-2310
edoc-URL http://edoc.unibas.ch/dok/A5249117
Full Text on edoc No
Digital Object Identifier DOI 10.1016/S1352-2310(03)00013-X
ISI-Number WOS:000181997300011
Document type (ISI) Article
 
   

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