岷江上游干旱河谷区汶川段风化壳剖面元素地球化学特征 |
周雪妮, 曹亚廷, 计扬 |
Element geochemical characteristics of weathering crust profiles of the Wenchuan section in the upper arid valley of the Minjiang River |
ZHOU Xue-Ni, CAO Ya-Ting, JI Yang |
图4 土壤重金属元素污染指数分布 |
Fig.4 Soil heavy metal pollution index distribution |
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