内蒙古荒漠草原灌区水资源承载力评价研究

卢方园; 贾德彬; 高瑞忠; 苏文旭; 赵航

引用本文:	卢方园,贾德彬,高瑞忠,等.内蒙古荒漠草原灌区水资源承载力评价研究[J].灌溉排水学报,2022,():-.
	lufangyuan,jiadebin,gaoruizhong,et al.内蒙古荒漠草原灌区水资源承载力评价研究[J].灌溉排水学报,2022,():-.

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内蒙古荒漠草原灌区水资源承载力评价研究
卢方园¹, 贾德彬², 高瑞忠¹, 苏文旭¹, 赵航¹
1.内蒙古农业大学水利与土木建筑工程学院;2.内蒙古农业大学

摘要:

【目的】探讨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和经济社会发展提供理论依据。【方法】以阿拉善左旗境内5个典型区（腰坝滩、格林滩、通古淖尔滩、查哈尔滩、新井滩）为研究区域，综合考虑水资源、生态、社会经济三个因素，建立评价指标体系，利用熵权-TOPSIS模型，对典型区的水资源承载力进行综合评价计算。【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；对腰坝进行多情景预测后发现，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最高。【结论】基于上述结果，研究区应以可持续发展为前提，针对当地以农业为主的发展需求与产业方式，推广滴灌等节水灌溉技术以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，实现整个地区水资源承载力的提高。

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

DOI：

分类号:TV211.1

基金项目:内蒙古自治区科技重大专项 “库布齐沙漠水资源可持续利用与植物耦合技术体系研发”(2019ZD002)；国家自然科学基金项目（52169003）

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

lufangyuan¹, jiadebin², gaoruizhong², suwenxu², zhaohang²

1.内蒙古农业大学;2.Inner Mongolia Agricultural University

Abstract:

【Objective】The purpose of this study was to discuss the water resources carrying capacity of the desert steppe irrigation area in Inner Mongolia, and to provide a theoretical basis for the optimization of the water resources system structure and economic and social development in the irrigation area. 【Methods】Five typical areas in Alxa Zuoqi (Yaoba Beach, Green Beach, Tonggu Nao'er Beach, Chahar Beach, Xinjing) were taken as the research areas, and three factors of water resources, ecology and social economy were comprehensively considered. An evaluation index system was established, and the entropy weight-TOPSIS model was used to comprehensively evaluate and calculate the water resources carrying capacity of typical areas. 【Results】In 2018, the water resources carrying capacity evaluation indices of Yaoba, Chahar, Tonggunaoer, Gelin, and Xinjing were 0.682, 0.576, 0.213, 0.392, and 0.247, respectively, which were at grades III and IV. After scenario prediction, it is found that the evaluation index of water resources carrying capacity in 2050 is the highest under the conditions of increasing the degree of returning farmland to forest, slowing down the economic growth rate and reducing the growth rate of irrigated area. 【Conclusion】Based on the above results, the study area should take sustainable development as the premise, promote drip irrigation and other water-saving irrigation technologies and increase the intensity of returning farmland to forest according to the local agricultural-based development needs and industrial methods; To meet the policy requirements of “production”, implement a strict water resources management system, and realize the improvement of the water resources carrying capacity of the whole region.

Key words: Water resources carrying capacity ； weight-TOPSIS model ；desert oasis desert ；grassland irrigation area in Inner Mongolia;