【摘要】 天津市土壤重金属污染已经形成环境问题,本文利用基于改进AHP法确定权重的加权平均评价方法对天津郊区菜田土壤受重金属污染现状进行了评价,结果发现宁河、静海、宝坻、蓟县和武青菜田土壤的重金属污染均为2级,属于尚清洁水平,东丽、西青和津南菜田土壤的重金属污染均为3级,属于轻度污染水平,北辰菜田土壤的重金属污染为4级,属于中度污染水平.由此说明天津市东丽、西青、津南和北辰等区的土壤重金属污染已经开始影响人类健康,因此应及时给予修复,以保证土壤的可持续利用.更多还原

【Abstract】 The heavy metal pollution in soil in Tianjin suburb has been of an environmental problem. Its pollution reality in Tianjin suburb was evaluated by weight mean determined by reformed AHP. The results showed that the index of the heavy metal pollution in soil in the Counties of Jinghai, Baodi and Jixian and in the Districts of Ninghe and Wuqing was 2 grade, being still clean level; that in the Districts of Dongli, Xiqing and Jinnan 3 grade, being light pollution level; that in the District of Beichen 4 grade, being serious pollution level.更多还原