农业水资源供需状况评价方法

农业水资源供需状况评价方法

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Initial contribute: 2018-12-04

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岳天祥编著
:  
yue@lreis.ac.cn
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Method-focused categoriesData-perspectiveGeostatistical analysis
Method-focused categoriesProcess-perspectiveHuman-activity calculation

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农业水资源供需状况评价方法

(1) 权重的确定步骤:

1)      建立判断矩阵:

    

2)      权重计算:

              

式中,

3)      一致性检验:

             

式中,A为判断矩阵,n为矩阵阶数,W为权重向量;为最大特征值;RI为随机一致性指标。

(2) 水资源供需状况综合评价模型:

              

式中,G为综合评价值;Wi为各要素的权重;ai为各要素相应的等级系数。

参考文献:

    任鸿遵,于静洁,林耀明:华北平原农业水资源供需状况评价方法。地理研究,1999,181

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《资源环境数学模型手册》 (2018). 农业水资源供需状况评价方法, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/5cd15099-92f6-4097-9b84-ecfcdb7a0d85
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Initial contribute : 2018-12-04

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:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
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Last modifier
wzh
Last modify time
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