Title: Estimation of N2O Fluxes at the Regional Scale: Data, Models, Challenges
Authors: LEIP AdrianBUSTO MIRKOCORAZZA MATTEOBERGAMASCHI PeterKOEBLE RenateDECHOW ReneMONNI SuviDE VRIES W.
Citation: CURRENT OPINION IN ENVIRONMENTAL SUSTAINABILITY vol. 3 no. 5 p. 328-338
Publisher: ELSEVIER SCI LTD
Publication Year: 2011
JRC N°: JRC67342
ISSN: 1877-3435
URI: http://www.sciencedirect.com/science/article/pii/S1877343511000595
http://publications.jrc.ec.europa.eu/repository/handle/JRC67342
DOI: 10.1016/j.cosust.2011.07.002
Type: Articles in Journals
Abstract: Empirical and process-based models simulating N2O fluxes from agricultural soils have the advantage that they can be applied at the scale at which mitigation measures can be designed and implemented. We compared bottom-up results from studies providing N2O fluxes at a regional/country or continental scale with estimates from the process-based model DNDC-EUROPE and from the TM5-4DVAR inverse modeling system. While the agreement between different bottom-up models is generally satisfying, only in a few cases a thorough validation of the result was done. Complex empirical or process-based models do not appear to have a better agreement with inverse model results in estimating N2O emissions from agricultural soils for countries or countrygroups than simple ones. Both bottom-up and inverse models are limited by the density and quality of observations. Research needs to focus on developing tools that inherit the advantages of both methods.
JRC Institute:Institute for Environment and Sustainability

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