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Sensitivity of carbon emission estimates from indirect land-use change

An agricultural projection and greenhouse gas model are used to assess the impact of global cropland expansion on carbon emissions and the sensitivity of those estimates to modifications in assumptions concerning idle cropland, the degree of refinement in carbon coefficients, market responses, and y...

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Autores principales: Dumortier, Jerome, Hayes, Dermot J., Carriquiry, Miguel, Dong, Fengxia, Du, Xiaodong, Elobeid, Amani, Fabiosa, Jacinto F., Tokgoz, Simla
Formato: Journal Article
Lenguaje:Inglés
Publicado: Wiley 2011
Materias:
greenhouse gas emissions
biofuels
crop yield
land use
Acceso en línea:https://hdl.handle.net/10568/154908
Sumario:An agricultural projection and greenhouse gas model are used to assess the impact of global cropland expansion on carbon emissions and the sensitivity of those estimates to modifications in assumptions concerning idle cropland, the degree of refinement in carbon coefficients, market responses, and yield increase. The results indicate that the impact of cropland expansion on carbon emissions is extremely sensitive to model assumptions. This is particularly true with respect to the price‐induced yield response. Given the available knowledge, it is very difficult to narrow the range of reasonable parameter values to tighten the set of results to a level that would allow robust policy conclusions.

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