环鄱阳湖区农家菜地土壤重金属风险评价及来源分析

胡春华, 蒋建华, 周文斌

Risk Evaluation and Sources Analysis of Heavy Metals in Vegetable Field Soil of Rural Area Around Poyang Lake

Chun-hua HU, Jian-hua JIANG, Wen-bin ZHOU

表5 各重金属含量与社会经济指标间的灰色关联度分析

Table 5 The gray correlation analysis among heavy metal and socio-economic indicators

元素 X1 X2 X3 X4 X5 X6 X7 X8 X9 关联度 Zn 0.88964 0.81284 0.8861 0.8737 0.95716 0.79753 0.7791 0.84912 0.82546 排序 3 8 2 5 1 7 9 6 4 关联度 Cu 0.86149 0.76474 0.78744 0.82959 0.90178 0.88108 0.77076 0.89936 0.7917 排序 4 9 8 6 3 1 7 2 5 关联度 Pb 0.79653 0.76342 0.73779 0.77877 0.89057 0.7667 0.73885 0.78631 0.75592 排序 4 6 9 7 1 2 8 5 3 关联度 Cr 0.85207 0.80747 0.80734 0.85384 0.90993 0.79045 0.75429 0.81241 0.78201 排序 3 6 8 2 1 4 9 7 5 关联度 Cd 0.84814 0.76134 0.83714 0.89447 0.81924 0.72673 0.74869 0.77901 0.80942 排序 3 7 4 1 5 9 8 6 2