Downgrading recent estimates of land available for biofuel production

Fritz, S. ORCID:, See, L. ORCID:, van der Velde, M., Nalepa, R.A., Perger, C., Schill, C., McCallum, I. ORCID:, Schepaschenko, D. ORCID:, et al. (2013). Downgrading recent estimates of land available for biofuel production. Environmental Science & Technology 47 (3) 1688-1694. 10.1021/es303141h.

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Project: Earth Observation for monitoring and assessment of the environmental impact of energy use (ENERGEO, FP7 226364), European approach to GEOSS (EUROGEOSS, FP7 226487)


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 million 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.

Item Type: Article
Research Programs: Ecosystems Services and Management (ESM)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:49
Last Modified: 19 Oct 2022 05:00

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