基于灰色关联模型对江苏省PM2.5浓度影响因素的分析

贺祥, 林振山, 刘会玉, 齐相贞

Analysis of the driving factors of PM2.5 in Jiangsu province based on grey correlation model

Xiang HE, Zhenshan LIN, Huiyu LIU, Xiangzhen QI

表3 江苏省PM2.5浓度影响评价指标体系的权重

Tab. 3 Weight of the evaluation indexes system for the PM2.5 in Jiangsu province

空气质量指标与气象要素 PM2.5污染物来源 城市化与产业结构 wi = 0.2866 wi = 0.4691 wi = 0.2453 指标因子 权重(wi) 指标因子 权重(wi) 指标因子 权重(wi) X1 0.0889 X11 0.0879 X20 0.0392 X2 0.0935 X12 0.1190 X21 0.1026 X3 0.0921 X13 0.0727 X22 0.0924 X4 0.1124 X14 0.1622 X23 0.2566 X5 0.0752 X15 0.1225 X24 0.1769 X6 0.1175 X16 0.0996 X25 0.0534 X7 0.1269 X17 0.1095 X26 0.1051 X8 0.1119 X18 0.0970 X27 0.1738 X9 0.0930 X19 0.1296 – – X10 0.0887 – – – –