Key indicator and critical condition for the water resource carrying capacity in the Yangtze River Estuary

被引：0
|
作者：
Xu Z. [1 ,2 ]
Ma J. [2 ]
Wang H. [1 ,2 ]
Zhao J. [1 ]
Hu Y. [2 ]
Yang G. [2 ]
机构：
[1] Department of Hydraulic Engineering, Tsinghua University, Beijing
[2] China Institute of Water Resources and Hydropower Research, Beijing
来源：
Qinghua Daxue Xuebao/Journal of Tsinghua University | 2019年 / 59卷 / 05期
关键词：
Critical condition; Hydrodynamic model; Runoff to the sea; Water resource carrying capacity; Yangtze River Estuary;
D O I：
10.16511/j.cnki.qhdxxb.2018.25.056
中图分类号：
学科分类号：
摘要：
Water resource issues are complicated in China due to the vast territory, great differences in regional meteorological and hydrological conditions, and the uneven socio-economic development. Therefore, water resource carrying capacity issues and constraints need to be identified for the various hydrological zones. Such studies will need an indicator with a clear physical meaning and its corresponding critical condition that reflects the hydrological mechanism to ensure reliable and acceptable water resource carrying capacities around the country. This paper uses the Yangtze River Estuary as an example for a mechanistic analysis of regional water issues to identify the constraints on the water resource carrying capacity. The runoff to the sea is used as a controllable hydrological indicator with the hydrodynamic model using a salinity limit to determine the critical point where the runoff to the sea can resist sea water intrusion for the Estuary. This method can also be applied to other hydrological regions. © 2019, Tsinghua University Press. All right reserved.
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页码：364 / 372
页数：8
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