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Increase in economic efficiency of water use caused by crop structure adjustment in arid areas
Tan, Minghong1,2; Zheng, Luqian1,3
2019-01-15
Source PublicationJOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN0301-4797
Volume230Pages:386-391
Corresponding AuthorTan, Minghong(tanmh@igsnrr.ac.cn)
AbstractThe Heihe River is located in the arid zone of northwestern China. In its middle-reach region, irrigation agriculture is well developed. With rapid population growth and expansion of the cultivated land in this region, effective water resource use is vital for the sustainable development of the river basin and the increase of incomes from farming practices. In this study, based on farmer survey data, the input parameters of the CROPWAT model were modified, the water use amount was simulated after deducting the influences of climate, seeds, and irrigation systems, and the variation of economic efficiency of water use (EEWU) induced by crop structure adjustment from 2001 to 2012 was analyzed. The results show that simulations for evapotranspiration of maize based on the CROPWAT model are in accord with the observed data. From 2001 to 2012, due to changes in the regional crop structure, EEWU in the study area increased by about 40%. In the arid areas in northwest China, crop structure adjustment has a huge potential for improving EEWU and increasing incomes from farming practices.
KeywordCrop structure adjustment EEWU Arid zone CROPWAT model
DOI10.1016/j.jenvman.2018.09.060
WOS KeywordHEIHE RIVER-BASIN ; MIDDLE REACHES ; EVAPOTRANSPIRATION ; IRRIGATION ; PRODUCTIVITY ; MANAGEMENT ; MAIZE ; LAND ; SIMULATION ; RESOURCES
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of Chinese Academy of Sciences[XDA20040400] ; National Natural Science Foundation of China[91325302]
Funding OrganizationStrategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000452582600037
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/51338
Collection中国科学院地理科学与资源研究所
Corresponding AuthorTan, Minghong
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tan, Minghong,Zheng, Luqian. Increase in economic efficiency of water use caused by crop structure adjustment in arid areas[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2019,230:386-391.
APA Tan, Minghong,&Zheng, Luqian.(2019).Increase in economic efficiency of water use caused by crop structure adjustment in arid areas.JOURNAL OF ENVIRONMENTAL MANAGEMENT,230,386-391.
MLA Tan, Minghong,et al."Increase in economic efficiency of water use caused by crop structure adjustment in arid areas".JOURNAL OF ENVIRONMENTAL MANAGEMENT 230(2019):386-391.
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