Web of Science: 83 citas, Scopus: 84 citas, Google Scholar: citas
The leaf-level emission factor of volatile isoprenoids : caveats, model algorithms, response shapes and scaling
Niinemets, Ülo (Eesti Maaülikool)
Monson, R. K. (University of Colorado. Department of Ecology and Evolutionary Biology)
Arneth, Almut (Lunds universitet. Institutionen för naturgeografi och ekosystemvetenskap)
Ciccioli, P. (Consiglio Nazionale delle Ricerche. Istituto di Metodologie Chimiche)
Kesselmeier, J. (Max-Planck-Institut für Chemie. Biogeochemistry Department)
Kuhn, U. (Forschungsanstalt Agroscope Reckenholz-Tänikon)
Noe, S. M. (Eesti Maaülikool)
Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals)
Staudt, M. (Centre d'Ecologie Fonctionnelle et Evolutive-CNRS. DREAM Unit)

Fecha: 2010
Resumen: In models of plant volatile isoprenoid emissions, the instantaneous compound emission rate typically scales with the plant's emission potential under specified environmental conditions, also called as the emission factor, ES. In the most widely employed plant isoprenoid emission models, the algorithms developed by Guenther and colleagues (1991, 1993), instantaneous variation of the steady-state emission rate is described as the product of ES and light and temperature response functions. When these models are employed in the atmospheric chemistry modeling community, species-specific ES values and parameter values defining the instantaneous response curves are often taken as initially defined. In the current review, we argue that ES as a characteristic used in the models importantly depends on our understanding of which environmental factors affect isoprenoid emissions, and consequently need standardization during experimental ES determinations. In particular, there is now increasing consensus that in addition to variations in light and temperature, alterations in atmospheric and/or within-leaf CO₂ concentrations may need to be included in the emission models. Furthermore, we demonstrate that for less volatile isoprenoids, mono- and sesquiterpenes, the emissions are often jointly controlled by the compound synthesis and volatility. Because of these combined biochemical and physico-chemical drivers, specification of ES as a constant value is incapable of describing instantaneous emissions within the sole assumptions of fluctuating light and temperature as used in the standard algorithms. The definition of ES also varies depending on the degree of aggregation of ES values in different parameterization schemes (leaf- vs. canopy- or region-scale, species vs. plant functional type levels) and various aggregated ES schemes are not compatible for different integration models. The summarized information collectively emphasizes the need to update model algorithms by including missing environmental and physico-chemical controls, and always to define ES within the proper context of model structure and spatial and temporal resolution.
Nota: Número d'acord de subvenció MICINN/CSD2008-00040
Nota: Número d'acord de subvenció MICINN/CGL2006-04025/BOS
Nota: Número d'acord de subvenció AGAUR/2009/SGR-458
Derechos: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Lengua: Anglès.
Documento: article ; recerca ; publishedVersion
Publicado en: Biogeosciences, Vol. 7 Issue 6 (2010) , p. 1809-1832, ISSN 1726-4170

DOI: 10.5194/bg-7-1809-2010


24 p, 484.5 KB

El registro aparece en las colecciones:
Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ciencias > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Artículos > Artículos de investigación
Artículos > Artículos publicados

 Registro creado el 2017-11-16, última modificación el 2018-10-21



   Favorit i Compartir