Title: Quantitative Quality Assessment of the Greenhouse Gas Inventory for Agriculture in Europe
Authors: LEIP Adrian
Citation: CLIMATIC CHANGE vol. 103 no. 1-2 p. 245-261
Publisher: SPRINGER
Publication Year: 2010
JRC N°: JRC55028
ISSN: 0165-0009
URI: http://dx.doi.org/10.1007/s10584-010-9915-5
DOI: 10.1007/s10584-010-9915-5
Type: Articles in periodicals and books
Abstract: The greenhouse gas inventory of the European Communities and its estimation of the uncertainty is build from 15 individual and independent greenhouse gas inventories. This presents a particular challenge and is possible only if homogeneous information is available for all Member States and if a proper evaluation of correlation between Member States is performed. To this purpose, we present a methodology that estimates a quantitative measure for the aggregated Tier-level as well as the uncertainty for the main categories in the agriculture sector. In contrast to the approach suggested in the IPCC guidelines, that uses uncertainty estimates for activity data and emissions factors for each source category, the presented method uses quantitative information from individual parameters used in the inventory calculations, in combination with a well defined procedure to aggregate the information. Not surprisingly, N2O emissions from agricultural soils are found to be dominating the uncertainty and also the importance of correlation if uncertainties are combined for the whole of Europe. The biggest challenge seems to be to conceptually harmonize the uncertainty estimates for the activity data (which tend to be underestimated) and emission factors (which tend to be overestimated).
JRC Directorate:Sustainable Resources

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