基于WEI+的流域水资源短缺分析

范琳琳; 王红瑞; 刘凤丽; 来文立; 洪思扬

doi:10.11988/ckyyb.20160023

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长江科学院院报 ›› 2017, Vol. 34 ›› Issue (4) : 9-14. DOI: 10.11988/ckyyb.20160023

水资源与环境

基于WEI+的流域水资源短缺分析

范琳琳¹,王红瑞²,刘凤丽¹,来文立²,洪思扬²

作者信息 +

Water Scarcity Analysis of River Basins in ChinaBased on Water Exploitation Index Plus

FAN Lin-lin¹, WANG Hong-rui², LIU Feng-li¹, LAI Wen-li², HONG Si-yang²

Author information +

文章历史 +

摘要

为了分析我国各流域的水资源短缺现状,引入欧盟开发改进的水资源开发利用系数(Water Exploitation Index Plus,简称WEI+),以全国10个水资源一级区作为研究对象,计算2003—2012年各水资源一级区的水资源短缺情况。结果表明①WEI+指数最小的是西南诸河区,其均值为1.9%;WEI+指数最大的是海河区,其均值为130%;且南方4区的WEI+指数均小于北方6区,说明我国北方比南方面临更为严重的水资源短缺问题。②南方4区的WEI+指数在2003—2012年间波动不大,而北方6区的WEI+指数波动剧烈;大部分地区的WEI+指数均呈现出下降趋势,这说明区域的水资源短缺情况有所缓解。③WEI+指数与流域水利水电开发利用程度在空间上的分布规律基本类似,这说明WEI+指数能够有效反映区域的水资源短缺情况。

Abstract

In the aim of assessing the water scarcity situation of river basins in China, Water Exploitation Index Plus (WEI+) developed by European Union was introduced to compute the water scarcity situations from 2003 to 2012 in ten first-grade districts of water resources in China. Results show that the WEI+ in rivers basin in Southwest China is the smallest, with the average value of 1.9%, and that of Haihe River Basin is the largest, with the average value of 130%. The WEI+ values of six basins in the North are larger than those of four basins in the South, indicating a severe water scarcity situation in North China. The WEI+ values of four basins in the South changed little during 2003-2012, while those of six basins in the North fluctuated greatly. Moreover, the WEI+ values of most river basins displayed a downward trend, showing the alleviation of water scarcity situation. In addition, the spatial distribution pattern of WEI+ is generally similar with that of water conservancy development and utilization degree, which indicates that WEI+ could effectively reflect the regional water scarcity situation in China.

导出引用

范琳琳,王红瑞,刘凤丽,来文立,洪思扬. 基于WEI+的流域水资源短缺分析[J]. 长江科学院院报. 2017, 34(4): 9-14 https://doi.org/10.11988/ckyyb.20160023

FAN Lin-lin, WANG Hong-rui, LIU Feng-li, LAI Wen-li, HONG Si-yang. Water Scarcity Analysis of River Basins in ChinaBased on Water Exploitation Index Plus[J]. Journal of Changjiang River Scientific Research Institute. 2017, 34(4): 9-14 https://doi.org/10.11988/ckyyb.20160023

中图分类号： TV211.1

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