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Study on water resources carrying capacity of ecological diversion irrigation district in the lower reaches of the Yellow River
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摘要: 黄河流域生态型灌区建设是当下生态文明建设的重要组成部分，以生态型灌区水资源承载力理论为研究基础，采用模糊集对分析法对黄河下游典型引黄灌区进行水资源承载力综合评价。评价结果表明，2010—2013年大功灌区水资源承载力形势不容乐观，2014—2016年大功灌区近三分之二的区域水资源承载力形势有较大好转，直至2017年大功灌区整体水资源承载力达到承载状态。Abstract: The construction of ecological irrigation area in the Yellow River Basin is an important part of the current ecological civilization construction. B
ased on the theory of water resources bearing capacity of ecological irrigation area as the research basis, the fuzzy set pair analysis method is used to comprehensively evaluate the water resources carrying capacity of typical irrigation areas in the lower Yellow River in this paper. The evaluation results show that water resources carrying capacity was not optimistic in Dagong Irrigation District from 2010 to 2013 and it witnessed a great improvement in the nearly two-thirds district from 2014 to 2016. It was until the year of 2017 that Dagong Irrigation District satisfied its overall water resources carrying capacity. -
图 1 河南省大功引黄灌区概化图
Figure 1. General map of Dagong Yellow River diversion irrigation area in Henan Province
图 2 2010—2017年大功引黄灌区水资源承载力综合评价结果
Figure 2. Results of comprehensive assessment of water resources carrying capacity in Dagong irrigation area from 2010 to 2017
表 1 评价指标分级标准
Table 1. Grading standard of evaluation index
目标层 系统及权重 指标层 分级 指标权重 指标类型 1级 2级 3级 4级 生态型灌区
水资源承载力社会经济系统（0.296 6） 平均城镇化率X1（%） <35 35~40 40~55 >55 0.027 6 − 人均GDP X2（元/人） 50 000 30 000~50 000 10 000~30 000 10 000 0.082 8 + 有效灌溉面积率X3（%） 60 40~60 20~40 20 0.186 2 + 水资源系统（0.372 4） 灌溉水有效利用数 X4 0.65 0.60~0.65 0.55~0.60 0.55 0.165 5 + 人均水资源可利用量X5（m3/人） >500 400~500 300~400 <300 0.041 4 + 水资源开发利用率X6（%） <40 40~60 60~70 >70 0.165 5 − 生态环境系统（0.331 0） 缺水率X7（%） <10 10~20 20~30 >30 0.027 6 − 浅层地下水超采率X8（%） <10 10~17.5 17.5~25 >25 0.055 2 − 生态环境用水率X9（%） >5 3~5 1~3 <1 0.248 2 + 注：指标类型中“+”为正向指标，对灌区发展起积极作用；“−”为负向指标，抑制灌区的发展。 
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表 2 2015年各集对H(Ai, B1)的联系度计算
Table 2. Calculation of association degree of each set pair H (Ai, B1) in 2015
联系度 滑县 内黄 浚县 a b1 b2 c a b1 b2 c a b1 b2 c 1 0 1.000 0 0 0 0 0.320 0.680 0 0.760 0.240 0 2 1.000 0 0 0 0 0 0 1.000 0 0.711 0.289 0 3 0 0 0.888 0.112 0 0.474 0.526 0 0 0.670 0.330 0 4 0 0 0 1.000 0 0 0 1.000 0.235 0.765 0 0 5 1.000 0 0 0 1.000 0 0 0 0.290 0.710 0 0 6 0 0 0 1.000 0 0 0 1.000 0 0 0 1.000 7 0 0 0 1.000 0 0 0 1.000 0 0 0.904 0.096 8 1.000 0 0 0 0 0.120 0.880 0 0 0 0.178 0.822 9 0 0 0 1.000 0 0 0 1.000 0 0 0 1.000 联系度 长垣 封丘 a b1 b2 c a b1 b2 c 1 0 0 0.480 0.520 0 0.560 0.440 0 2 0.292 0.708 0 0 0.868 0.132 0 0 3 0 0.256 0.744 0 0 0.212 0.788 0 4 1.000 0 0 0 1.000 0 0 0 5 1.000 0 0 0 1.000 0 0 0 6 0.030 0.970 0 0 0 0 0 1.000 7 0 0 0 1.000 0 0 0.342 0.658 8 0.243 0.757 0 0 0 0.822 0.178 0 9 0 0 0 1.000 0 0 0 1.000
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