Recent estimates of additional land available for bioenergy production range from 320 to 1411 million ha. These estimates were generated from four scenarios regarding the types of land suitable for bioenergy production using coarse-resolution inputs of soil productivity, slope, climate, and land cover. In this paper, these maps of land availability were assessed using high-resolution satellite imagery. Samples from these maps were selected and crowdsourcing of Google Earth images was used to determine the type of land cover and the degree of human impact. Based on this sample, a set of rules was formulated to downward adjust the original estimates for each of the four scenarios that were previously used to generate the maps of land availability for bioenergy production. The adjusted land availability estimates range from 56 to 1035 ha depending upon the scenario and the ruleset used when the sample is corrected for bias. Large forest areas not intended for biofuel production purposes were present in all scenarios. However, these numbers should not be considered as definitive estimates but should be used to highlight the uncertainty in attempting to quantify land availability for biofuel production when using coarse-resolution inputs with implications for further policy development.

Downgrading Recent Estimates of Land Available for Biofuel Production / Steffen, Fritz; Linda, See; Marijn van der, Velde; Rachel A., Nalepa; Christoph, Perger; Christian, Schill; Ian, Mccallum; Dmitry, Schepaschenko; Florian, Kraxner; Ximing, Cai; Xiao, Zhang; Simone, Ortner; Rubul, Hazarika; Cipriani, Anna; Carlos Di, Bella; Ahmed H., Rabia; Alfredo, Garcia; Mar’Yana, Vakolyuk; Kuleswar, Singha; Maria E., Beget; Stefan, Erasmi; Franziska, Albrecht; Brian, Shaw; Michael, Obersteiner. - In: ENVIRONMENTAL SCIENCE & TECHNOLOGY. - ISSN 0013-936X. - ELETTRONICO. - 47:(2013), pp. 1688-1694. [10.1021/es303141h]

Downgrading Recent Estimates of Land Available for Biofuel Production

CIPRIANI, Anna;
2013

Abstract

Recent estimates of additional land available for bioenergy production range from 320 to 1411 million ha. These estimates were generated from four scenarios regarding the types of land suitable for bioenergy production using coarse-resolution inputs of soil productivity, slope, climate, and land cover. In this paper, these maps of land availability were assessed using high-resolution satellite imagery. Samples from these maps were selected and crowdsourcing of Google Earth images was used to determine the type of land cover and the degree of human impact. Based on this sample, a set of rules was formulated to downward adjust the original estimates for each of the four scenarios that were previously used to generate the maps of land availability for bioenergy production. The adjusted land availability estimates range from 56 to 1035 ha depending upon the scenario and the ruleset used when the sample is corrected for bias. Large forest areas not intended for biofuel production purposes were present in all scenarios. However, these numbers should not be considered as definitive estimates but should be used to highlight the uncertainty in attempting to quantify land availability for biofuel production when using coarse-resolution inputs with implications for further policy development.
2013
47
1688
1694
Downgrading Recent Estimates of Land Available for Biofuel Production / Steffen, Fritz; Linda, See; Marijn van der, Velde; Rachel A., Nalepa; Christoph, Perger; Christian, Schill; Ian, Mccallum; Dmitry, Schepaschenko; Florian, Kraxner; Ximing, Cai; Xiao, Zhang; Simone, Ortner; Rubul, Hazarika; Cipriani, Anna; Carlos Di, Bella; Ahmed H., Rabia; Alfredo, Garcia; Mar’Yana, Vakolyuk; Kuleswar, Singha; Maria E., Beget; Stefan, Erasmi; Franziska, Albrecht; Brian, Shaw; Michael, Obersteiner. - In: ENVIRONMENTAL SCIENCE & TECHNOLOGY. - ISSN 0013-936X. - ELETTRONICO. - 47:(2013), pp. 1688-1694. [10.1021/es303141h]
Steffen, Fritz; Linda, See; Marijn van der, Velde; Rachel A., Nalepa; Christoph, Perger; Christian, Schill; Ian, Mccallum; Dmitry, Schepaschenko; Florian, Kraxner; Ximing, Cai; Xiao, Zhang; Simone, Ortner; Rubul, Hazarika; Cipriani, Anna; Carlos Di, Bella; Ahmed H., Rabia; Alfredo, Garcia; Mar’Yana, Vakolyuk; Kuleswar, Singha; Maria E., Beget; Stefan, Erasmi; Franziska, Albrecht; Brian, Shaw; Michael, Obersteiner
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/901892
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