Yellow River basin drought response system based on the prediction and operation of cascade reservoirs

被引：0

作者：

Wang Y. ^{[1
,2
]}

Shang W. ^{[1
,2
]}

Peng S. ^{[2
]}

机构：

[1] Postdoctoral Research Station of Yellow River Engineering Consulting Co.,Ltd., Zhengzhou

[2] Yellow River Engineering Consulting Co.,Ltd., Zhengzhou

来源：

Shuikexue Jinzhan/Advances in Water Science | 2019年 / 30卷 / 02期

关键词：

Cascade reservoirs; Drought; Drought limit water level; Prediction; Staged flood limit water level; Synergetic optimal operation; Yellow River basin;

D O I：

10.14042/j.cnki.32.1309.2019.02.003

中图分类号：

学科分类号：

摘要：

To handle increasingly severe basin-scale drought systematically,this study develops the Yellow River basin drought response system facing the entire process of drought. A drought index is designed based on the evolution of drought. Drought,water demand,and runoff are forecast using the Weather Research and Forecasting model and regression analysis. The drought limit water level is set in the multiyear regulating storage reservoir to realize interannual compensation of water resources. After the characteristics of flood and sediment stages are identified,the staged flood limit water level is applied to increase the utilization of flood resources. A synergetic optimal operation model of cascade reservoirs is developed to allocate water resources in order to resist drought. The case study indicates that the drought response system in the Yellow River basin can prevent severe damage from drought by balancing the damage among different years. Compared with the actual situation,this system could increase 2.24 billion m3 of the water supply in 2014 when severe drought occurred. The drought response system has been applied in the Yellow River basin,enhancing the capacity for regulating basin-scale water resources to handle drought. © 2019, Editorial Board of Advances in Water Science. All right reserved.

引用

页码：175 / 185

页数：10

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