Special Section on Advances in Remote Sensing for Renewable Energy Development: Challenges and Perspectives

Evaluating the bioenergy potential of cassava on marginal land using a biogeochemical process model in GuangXi, China

[+] Author Affiliations
Dong Jiang, Yaohuan Huang

Chinese Academy of Sciences, Institute of Geographical Sciences and Natural Resources Research, 11A Datun Road, Beijing 100101, China

Mengmeng Hao, Jingying Fu

Chinese Academy of Sciences, Institute of Geographical Sciences and Natural Resources Research, 11A Datun Road, Beijing 100101, China

University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China

Kun Liu

China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Information Center, No. 31 Xueyuan Road, Beijing 100083, China

J. Appl. Remote Sens. 9(1), 097699 (May 20, 2015). doi:10.1117/1.JRS.9.097699
History: Received December 14, 2014; Accepted April 2, 2015
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Abstract.  Bioenergy is expected to play an important role in future energy systems. Cassava is believed to be one of the most promising energy plants for fuel ethanol production in the tropics and subtropics. In China, plant-based bioenergy has to be developed on marginal land to avoid impacting food security. Cassava yield varies dramatically under different environmental conditions. Therefore, an efficient approach is needed to estimate cassava yield on marginal land. This paper presents a method for assessing the energy potential of cassava using a biogeochemical process model. First, the spatial distribution of marginal land was identified. A geographic information system-based biogeochemical process model, the GIS-based environmental policy integrated climate model, was used to simulate the spatial and temporal dynamics of the major processes of the soil-cassava-atmosphere management system. The model was calibrated and successfully applied to data from GuangXi province, Southwest China. The results indicated that the potential bioenergy of cassava on marginal land under rain-fed conditions in GuangXi province is 1,909,593.96 million MJ, which is equivalent to the energy of 17.0844 million tons of standard coal; the potential energy of irrigated cassava is 2,054,017.73 million MJ, which is equivalent to the energy of 18.3765 million tons of standard coal.

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Topics

Biomass

Citation

Dong Jiang ; Mengmeng Hao ; Jingying Fu ; Yaohuan Huang and Kun Liu
"Evaluating the bioenergy potential of cassava on marginal land using a biogeochemical process model in GuangXi, China", J. Appl. Remote Sens. 9(1), 097699 (May 20, 2015). ; http://dx.doi.org/10.1117/1.JRS.9.097699


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