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Process-based simulation of seasonality and drought stress in monoterpene emission models

Grote, R. ORCID iD icon 1; Keenan, T.; Lavoir, A. V.; Staudt, M.
1 Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU), Karlsruher Institut für Technologie (KIT)


Canopy emissions of volatile hydrocarbons such as isoprene and monoterpenes play an important role in air chemistry. They depend on various environmental conditions, are highly species-specific and are expected to be affected by global change. In order to estimate future emissions of these isoprenoids, differently complex models are available. However, seasonal dynamics driven by phenology, enzymatic activity, or drought stress strongly modify annual ecosystem emissions. Although these impacts depend themselves on environmental conditions, they have yet received little attention in mechanistic modelling. In this paper we propose the application of a mechanistic method for considering the seasonal dynamics of emission potential using the “Seasonal Isoprenoid synthase Model” (Lehning et al., 2001). We test this approach with three different models (GUENTHER, Guenther et al., 1993; NIINEMETS, Niinemets et al., 2002a; BIM2, Grote et al., 2006) that are developed for simulating light-dependent monoterpene emission. We also suggest specific drought stress representations for each model. Additionally, the proposed model developments are compared with the approach realized in the MEGAN (Guenther et al., 2006) emission model. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/110078747
Veröffentlicht am 25.05.2018
DOI: 10.5194/bg-7-257-2010
Zitationen: 21
Web of Science
Zitationen: 23
Zitationen: 29
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU)
KIT-Zentrum Klima und Umwelt (ZKU)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2010
Sprache Englisch
Identifikator ISSN: 1726-4170, 1726-4189
KITopen-ID: 110078747
HGF-Programm 12.02.01 (POF II, LK 01) Glob.Wandel und Auswirk. auf Ökosysteme
Erschienen in Biogeosciences
Verlag Copernicus Publications
Band 7
Heft 1
Seiten 257-274
Erscheinungsvermerk Corrigendum:
Externe Relationen Abstract/Volltext
Nachgewiesen in Scopus
Web of Science
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