基于GWR模型的中国城市雾霾污染影响因素的空间异质性研究
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王少剑, 高爽, 陈静
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Spatial heterogeneity of driving factors of urban haze pollution in China based on GWR model
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WANG Shaojian, GAO Shuang, CHEN Jing
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表1 影响因素共线性检验
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Tab. 1 Collinearity inspection of the influential factors.
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| 解释变量 | 方差膨胀因子(VIF) | 容差(T) | 条件指数(CI) | | 降雨量(mm) | 6.493 | 0.154 | 1.000 | | 风速(m/s) | 2.285 | 0.438 | 2.665 | | 相对湿度(%) | 5.695 | 0.176 | 3.786 | | 温度(℃) | 4.458 | 0.224 | 4.673 | | 高程(m) | 1.982 | 0.505 | 6.099 | | 植被覆盖指数 | 1.810 | 0.532 | 6.817 | | 建设用地比例(%) | 2.009 | 0.498 | 9.781 | | 人口密度(人/km2) | 3.933 | 0.254 | 13.690 | | 人均GDP(元) | 2.277 | 0.439 | 17.887 | | 外商直接投资(万美元) | 1.743 | 0.574 | 21.095 | | 产业结构(%) | 1.498 | 0.668 | 23.739 | | 研发经费(亿元) | 2.900 | 0.345 | 24.421 |
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