Basin Irrigation Design with Multi-Criteria Analysis Focusing on Water Saving and Economic Returns: Application to Wheat in Hetao, Yellow River Basin

Published on Jan 13, 2018in Water2.52
· DOI :10.3390/w10010067
Qingfeng Miao3
Estimated H-index: 3
Haibin Shi3
Estimated H-index: 3
+ 1 AuthorsLuís Ferreira Pereira5
Estimated H-index: 5
The sustainability of the Hetao Irrigation System, located in the water scarce upper Yellow River basin, is a priority considering the need for water saving, increased water productivity, and higher farmers’ incomes. The upgrading of basin irrigation, the main irrigation method, is essential and includes the adoption of precise land levelling, cut-off management, improved water distribution uniformity, and adequate irrigation scheduling. With this objective, the current study focuses on upgrading wheat basin irrigation through improved design using a decision support system (DSS) model, which considers land parcels characteristics, crop irrigation scheduling, soil infiltration, hydraulic simulation, and environmental and economic impacts. Its use includes outlining water saving scenarios and ranking alternative designs through multi-criteria analysis considering the priorities of stakeholders. The best alternatives concern flat level basins with a 100 and 200 m length and inflow rates between 2 and 4 L s−1 m−1. The total irrigation cost of designed projects, including the cost of the autumn irrigation, varies between 2400 and 3300 Yuan ha−1; the major cost component is land levelling, corresponding to 33–46% of total irrigation costs. The economic land productivity is about 18,000 Yuan ha−1. The DSS modelling defined guidelines to be applied by an extension service aimed at implementing better performing irrigation practices, and encouraged a good interaction between farmers and the Water Users Association, thus making easier the implementation of appropriate irrigation management programs.
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  • Citations (4)
#1Qingfeng Miao (Inner Mongolia Agricultural University)H-Index: 3
#2Haibin Shi (Inner Mongolia Agricultural University)H-Index: 3
Last.Luis S. Pereira (University of Lisbon)H-Index: 51
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#1Hanaa Darouich (Technical University of Lisbon)H-Index: 3
#2Celestina M. G. Pedras (Technical University of Lisbon)H-Index: 3
Last.Luis S. Pereira (Technical University of Lisbon)H-Index: 51
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#1Qiang Zhang (SYSU: Sun Yat-sen University)H-Index: 37
#2Juntai Peng (SYSU: Sun Yat-sen University)H-Index: 3
Last.Yongqin David Chen (CUHK: The Chinese University of Hong Kong)H-Index: 29
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#1Huaming Guo (China University of Geosciences)H-Index: 25
#2Yang Zhang (China University of Geosciences)H-Index: 4
Last.Xiaohui Tang (KIT: Karlsruhe Institute of Technology)H-Index: 7
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#1Ruiping Li (Inner Mongolia Agricultural University)H-Index: 2
#2Haibin Shi (Inner Mongolia Agricultural University)H-Index: 2
Last.Zhengzhong LiH-Index: 1
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