NDLI: Application of an integrative hydro-ecological model to study water resources management in the upper and middle parts of the Yellow River basin

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Frontiers of Earth Science in China : Volume 4

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Frontiers of Earth Science in China : Volume 2

Frontiers of Earth Science in China : Volume 1

Application of an integrative hydro-ecological model to study water resources management in the upper and middle parts of the Yellow River basin

Content Provider	Springer Nature Link
Author	Li, Xianglian Gao, Qiong Lei, Tingwu Yang, Xiusheng
Copyright Year	2011
Abstract	This study presents an application of a well-calibrated integrative hydro-ecological model to examine water resources management in the upper and middle parts of the Yellow River basin, an arid and semiarid area in northwestern China. The hydro-ecological model was developed to simulate dynamic and accumulative hydrologic, ecologic, and economic variables at different spatial units. Four water management scenarios based on water use priorities, a business-as-usual scenario, an ecological scenario, an irrigation use efficiency scenario and water use scenario were designed and modeled over the period of 2011–2020 to reflect alternative water management pathways to the future. Water resource conditions were assessed in terms streamflow, actual evapotranspiration, soil water, groundwater yield, overall water yield, and derived indicator of drought index. Unit crop yield was to assess ecological production, and monetary values of crop productivity and water productivity were used to assess economic output. Scenario analysis results suggested that water stress would continue in the study region under both current water use patterns and ecological scenarios of river flow being fully satisfied.Water use scenarios would result in decreased water availability and ecosystem degradation in the long run. Improving irrigation use efficiency would be the most efficient approach in securing long-term water and food supply. The simulation results from this study provided useful information for evaluating long-term water resources management strategies, and will contribute to the knowledge of interdisciplinary modeling for water resources management in the study region.
Starting Page	45
Ending Page	55
Page Count	11
File Format	PDF
ISSN	20950195
Journal	Frontiers of Earth Science in China
Volume Number	5
Issue Number	1
e-ISSN	16737490
Language	English
Publisher	SP Higher Education Press
Publisher Date	2010-11-27
Publisher Institution	Chinese Universities
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	integrative hydro-ecological model scenario analysis water resources management upper and middle parts of the Yellow River basin Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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