内蒙古荒漠草原灌区水资源承载力评价研究  

Evaluating the Carrying Capacity of Water Resources in the Desert Steppe Irrigation District in Inner Mongolia

作　　者：卢方园 贾德彬[1,2] 高瑞忠 苏文旭[1,2] 赵航 LU Fangyuan;JIA Debin;GAO Ruizhong;SU Wenxu;ZHAO Hang(School of Water Conservancy and Civil Engineering,Inner Mongolia Agricultural University,Hohhot 010018,China;Key Laboratory of Water Resources Protection and Utilization of Inner Mongolia Autonomous Region,Hohhot 010010,China)

机构地区：[1]内蒙古农业大学水利与土木建筑工程学院,呼和浩特010018 [2]内蒙古自治区水资源保护与利用重点实验室,呼和浩特010010

出　　处：《灌溉排水学报》2022年第8期39-44,共6页Journal of Irrigation and Drainage

基　　金：内蒙古自治区科技重大专项项目(2019ZD002);国家自然科学基金项目(52169003)。

摘　　要：【目的】揭示内蒙古荒漠草原灌区水资源承载力状态,为灌区水资源系统结构优化提供理论依据。【方法】以阿拉善左旗境内的5个典型区域(腰坝滩、格林滩、通古淖尔滩、查哈尔滩、新井滩)为研究对象,综合考虑水资源、生态、社会经济3个因素,建立区域水资源承载力评价指标体系,利用熵权-TOPSIS模型对典型灌区的水资源承载力进行综合评价。【结果】2018年,腰坝、查哈尔、通古淖尔、格林、新井的水资源承载力评价指数分别为:0.682、0.576、0.213、0.392、0.247,处于Ⅲ、Ⅳ等级;以腰坝为例,基于多情景预测得出,在提高退耕还林程度、减缓经济增长速度和降低灌溉面积增长速度的条件下,2050年的水资源承载力评价指数将会显著提升。【结论】研究区应以可持续发展为理念,针对当地以农业为主的发展需求,推广节水灌溉及加大退耕还林力度;遵循“以水定产”的政策要求,实施严格的水资源管理制度,以实现区域水资源承载力的提升。【Objective】The purpose of this study was to evaluate the carrying capacity of water resources in the desert steppe irrigation area in Inner Mongolia,in attempts to help optimize water resource while in the meantime sustaining economic and social development in this region.【Method】We studied five typical areas including Yaoba Beach,Green Beach,Tonggu Nao’er Beach,Chahar Beach,Xinjing,all in Alxa Zuoqi.For each area,we considered its water resources,ecology and social economy,and established an evaluation index system.The entropy weight-TOPSIS model was used to comprehensively evaluate and calculate the carrying capacity of water resources in each area.【Result】In 2018,the water resources carrying capacity of Yaoba,Chahar,Tonggunaoer,Gelin and Xinjing was 0.682,0.576,0.213,0.392,and 0.247,respectively,which was between Grade III and IV.Scenario prediction found that the evaluation index of water resources carrying capacity will peak in 2050 if more farmland is to return forest,combined with slowing down economic growth and reducing irrigated areas.【Conclusion】Our results show that the studied areas should consider sustainable development,promoting drip irrigation and other water-saving irrigation technologies,sparing farmlands for forests.Implementing strict water resource management and improving water resources carrying capacity are important to meet the demand for water in these areas.

关 键 词：水资源承载力 熵权-TOPSIS模型 沙漠绿洲 内蒙古荒漠草原灌区 

分 类 号：S565[农业科学—作物学]