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Could biofuel development stress China's water resources?
Hao, Mengmeng1,2; Jiang, Dong1,2; Wang, Jianhua3; Fu, Jingying1,2; Huang, Yaohuan1,2
2017-09-01
Source PublicationGLOBAL CHANGE BIOLOGY BIOENERGY
ISSN1757-1693
Volume9Issue:9Pages:1447-1460
Corresponding AuthorJiang, Dong(jiangd@igsnrr.ac.cn) ; Wang, Jianhua(wjh@iwhr.com)
AbstractConcerns over energy shortages and global climate change have stimulated developments toward renewable energy. Biofuels have been developed to replace fossil fuels to reduce the emissions of greenhouse gases and other environmental impacts. However, food security and water scarcity are other growing concerns, and the increased production of biofuels may increase these problems. This study focuses on whether biofuel development would stress China's water resources. Cassava-based fuel ethanol and sweet sorghum-based fuel ethanol are the focus of this study because they are the most typical nongrain biofuels in China. The spatial distribution of the total water requirement of fuel ethanol over its life cycle process was simulated using a biophysical biogeochemical model and marginal land as one of the types of input data for the model to avoid impacts on food security. The total water requirement of fuel ethanol was then compared with the spatial distribution of water resources, and the influence of the development of fuel ethanol on water resources at the pixel and river basin region scales was analyzed. The result showed that the total water requirement of fuel ethanol ranges from 37.81 to 862.29 mm. However, considering water resource restrictions, not all of the marginal land is suitable for the development of fuel ethanol. Approximately 0.664 million km(2) of marginal land is suitable for the development of fuel ethanol, most of which is located in the south of China, where water resources are plentiful. For these areas, the value of fuel ethanol's water footprint ranges from 0.05 to 11.90 m(3) MJ(-1). From the water point of view, Liaoning province, Guizhou province, Anhui province and Hunan province can be given priority for the development of fuel ethanol.
Keywordbiophysical biogeochemical model cassava-based fuel ethanol marginal land sweet sorghum-based fuel ethanol water requirement water stress
DOI10.1111/gcbb.12440
WOS KeywordGHG EMISSIONS ; MARGINAL LAND ; ELECTRICITY-GENERATION ; BIOENERGY SYSTEMS ; BIOGAS PRODUCTION ; SWEET SORGHUM ; SOUTH-AFRICA ; WHEAT YIELD ; ENERGY ; FOOTPRINT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41571509] ; Ministry of Science and Technology of China[2016Y FC1201300]
Funding OrganizationNational Natural Science Foundation of China ; Ministry of Science and Technology of China
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgronomy ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000407596900004
PublisherWILEY
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61488
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJiang, Dong; Wang, Jianhua
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11A Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
3.China Inst Hydropower Water Resources Res, State Key Lab Simulat & Regulat Water Cycle River, Dept Water Resources, Beijing 100038, Peoples R China
Recommended Citation
GB/T 7714
Hao, Mengmeng,Jiang, Dong,Wang, Jianhua,et al. Could biofuel development stress China's water resources?[J]. GLOBAL CHANGE BIOLOGY BIOENERGY,2017,9(9):1447-1460.
APA Hao, Mengmeng,Jiang, Dong,Wang, Jianhua,Fu, Jingying,&Huang, Yaohuan.(2017).Could biofuel development stress China's water resources?.GLOBAL CHANGE BIOLOGY BIOENERGY,9(9),1447-1460.
MLA Hao, Mengmeng,et al."Could biofuel development stress China's water resources?".GLOBAL CHANGE BIOLOGY BIOENERGY 9.9(2017):1447-1460.
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