Estimations of isoprenoid emission capacity from enclosure studies: Measurements, data processing, quality and standardized measurement protocols

Ü Niinemets, U. Kuhn, P. C. Harley, M. Staudt, A. Arneth, A. Cescatti, P. Ciccioli, L. Copolovici, C. Geron, A. Guenther, J. Kesselmeier, M. T. Lerdau, Russell Monson, J. Peñuelas

Research output: Contribution to journalArticle

82 Citations (Scopus)

Abstract

The capacity for volatile isoprenoid production under standardized environmental conditions at a certain time (S, the emission factor) is a key characteristic in constructing isoprenoid emission inventories. However, there is large variation in published E S estimates for any given species partly driven by dynamic modifications in E S due to acclimation and stress responses. Here we review additional sources of variation in E S estimates that are due to measurement and analytical techniques and calculation and averaging procedures, and demonstrate that estimations of E S critically depend on applied experimental protocols and on data processing and reporting. A great variety of experimental setups has been used in the past, contributing to study-to-study variations in E S estimates. We suggest that past experimental data should be distributed into broad quality classes depending on whether the data can or cannot be considered quantitative based on rigorous experimental standards. Apart from analytical issues, the accuracy of E S values is strongly driven by extrapolation and integration errors introduced during data processing. Additional sources of error, especially in meta-database construction, can further arise from inconsistent use of units and expression bases of E S. We propose a standardized experimental protocol for BVOC estimations and highlight basic meta-information that we strongly recommend to report with any E S measurement. We conclude that standardization of experimental and calculation protocols and critical examination of past reports is essential for development of accurate emission factor databases.

Original languageEnglish (US)
Pages (from-to)2209-2246
Number of pages38
JournalBiogeosciences
Volume8
Issue number8
DOIs
StatePublished - 2011
Externally publishedYes

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emissions factor
isoprenoid
isoprenoids
standardization
analytical methods
stress response
acclimation
emission inventory
environmental factors
analytical method
environmental conditions
protocol
calculation
emission factor

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Ecology, Evolution, Behavior and Systematics

Cite this

Estimations of isoprenoid emission capacity from enclosure studies : Measurements, data processing, quality and standardized measurement protocols. / Niinemets, Ü; Kuhn, U.; Harley, P. C.; Staudt, M.; Arneth, A.; Cescatti, A.; Ciccioli, P.; Copolovici, L.; Geron, C.; Guenther, A.; Kesselmeier, J.; Lerdau, M. T.; Monson, Russell; Peñuelas, J.

In: Biogeosciences, Vol. 8, No. 8, 2011, p. 2209-2246.

Research output: Contribution to journalArticle

Niinemets, Ü, Kuhn, U, Harley, PC, Staudt, M, Arneth, A, Cescatti, A, Ciccioli, P, Copolovici, L, Geron, C, Guenther, A, Kesselmeier, J, Lerdau, MT, Monson, R & Peñuelas, J 2011, 'Estimations of isoprenoid emission capacity from enclosure studies: Measurements, data processing, quality and standardized measurement protocols', Biogeosciences, vol. 8, no. 8, pp. 2209-2246. https://doi.org/10.5194/bg-8-2209-2011
Niinemets, Ü ; Kuhn, U. ; Harley, P. C. ; Staudt, M. ; Arneth, A. ; Cescatti, A. ; Ciccioli, P. ; Copolovici, L. ; Geron, C. ; Guenther, A. ; Kesselmeier, J. ; Lerdau, M. T. ; Monson, Russell ; Peñuelas, J. / Estimations of isoprenoid emission capacity from enclosure studies : Measurements, data processing, quality and standardized measurement protocols. In: Biogeosciences. 2011 ; Vol. 8, No. 8. pp. 2209-2246.
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