[1]岳思羽,李怀恩,赵 丽.气候和土地利用变化对渭河流域水资源短缺的影响[J].水土保持研究,2021,28(05):95-101.
　YUE Siyu,LI Huaien,ZHAO Li.Impact of Climate and Land Use Changes on Water Scarcity in the Wei River Basin[J].Research of Soil and Water Conservation,2021,28(05):95-101.
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气候和土地利用变化对渭河流域水资源短缺的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 28 期数: 2021年05期 页码: 95-101 栏目: 出版日期: 2021-08-20
Title:
Impact of Climate and Land Use Changes on Water Scarcity in the Wei River Basin
文章编号:
1005-3409(2021)05-0095-07
作者:
岳思羽1,李怀恩2,赵 丽3
(1.陕西理工大学 化学与环境科学学院,陕西 汉中 723001; 2.省部共建西北旱区生态水利国家重点实验室 西安理工大学,西安 710048; 3.汉中市生态环境保护综合执法支队,陕西 汉中 723001)
Author(s):
YUE Siyu1,LI Huaien2,ZHAO Li3
(1.College of Chemical and Environmental Science,Shaanxi University of Technology,Hanzhong,Shaanxi 723001,China; 2.State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China,Xi'an University of Technology,Xi'an 710048,China; 3.Law Enforcement Detachment of Hanzhong Ecological and Environmental Protection,Hanzhong,Shaanxi 723001,China)
关键词:
水文学;  水资源短缺;  InVEST模型;  河道生态基流
Keywords:
hydrology;  water scarcity;  InVEST model;  river ecological base flow
分类号:
P333
文献标志码:
A
摘要:
为探索渭河流域水资源短缺的时空变化及其影响因素,揭示水资源短缺的关键区域,引入考虑河道生态基流需求的流域水资源短缺评价方法。利用生态系统服务与权衡综合评估模型产水量模块得到子流域尺度的产水量,结合耗水量和河道生态基流量,采用情景分析对子流域尺度的水资源短缺状况进行评价,并运用空间自相关分析方法研究了渭河流域气候和土地利用变化对水资源短缺的影响。结果表明:渭河流域的水资源短缺区域集中在渭河干流和泾河流域北部,枯水年是河道生态基流保障的关键时期,以降水量为代表的气候变化与水资源盈缺指数存在显著的空间集聚效应。上述研究结果对渭河流域的水资源管理和河道生态基流保护具有重要意义。
Abstract:
In order to explore temporal-spatial variation of water scarcity and its influence factors,and reveal water scarcity areas in the Wei River Basin,we introduced assessment method of water scarcity that incorporates river ecological base flow. We adopted the water yield module of the Integrated Valuation of Ecosystem Service and Tradeoffs Model to obtain water yield of the Wei River Basin on sub-basin scale. Then we used scenario analysis to evaluate water scarcity on sub-basin scale by combining water consumption and river ecological base flow. Finally,we applied spatial autocorrelation analysis to study impact of climate and land use changes on water scarcity in the Wei River Basin. The results indicated that water scarcity areas of the Wei River Basin mainly distributed in the mainstream of the Wei River and the Northern Jing River Basin. Dry year was crucial period for river ecological base flow protection,and there existed significant spatial agglomeration between water scarcity index and climate change represented by precipitation. These results are of significance for water resources management and river ecological base flow protection in the Wei River Basin.

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备注/Memo

收稿日期:2020-08-23 修回日期:2020-09-14
资助项目:国家自然科学基金(51479162); 陕西省教育厅科技计划项目(20JY008)
第一作者:岳思羽(1982—),女,陕西汉中人,讲师,博士,研究方向为水资源保护与环境经济。E-mail:yuesiyu@snut.edu.cn

更新日期/Last Update: 2021-08-20