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

长江科学院院报 >

2017 , Vol. 34 >Issue 4: 9 - 14

DOI: https://doi.org/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 ,
王红瑞 ,
刘凤丽 ,
来文立 ,
洪思扬

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1.长江科学院农业水利研究所,武汉 430010;
2.北京师范大学水科学研究院,北京 100875

范琳琳(1990-),女,湖北丹江口人,助理工程师,硕士,研究方向为水资源系统分析,(电话)15527691023(电子信箱)fll901023@163.com。

收稿日期: 2016-01-11

网络出版日期: 2017-04-10

基金资助

国家自然科学基金项目(51279006,51479003)

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

FAN Lin-lin ,
WANG Hong-rui ,
LIU Feng-li ,
LAI Wen-li ,
HONG Si-yang

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1.Agricultural Water Conservancy Department, Yangtze River Scientific Research Institute,Wuhan 430010, China;
2.College of Water Sciences, Beijing Normal University, Beijing 100875, China

Received date: 2016-01-11

Online published: 2017-04-10

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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。

关键词： 水资源短缺; 改进的水资源开发利用系数(WEI+); 水资源一级区; 南方4区; 北方6区

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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 . DOI: 10.11988/ckyyb.20160023

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.

Key words： water scarcity; Water Exploitation Index Plus(WEI+); first-grade districts of water resources; four basins in South China; six basins in North China

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