城鄉道路兩側重金屬污染特征研究進展(終稿)
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- 城鄉道路兩側重金屬污染特征研究進展(終稿) (1)摘要····································································Ⅰ
1 緒論··································································1
1.1 道路兩側土壤重金屬污染··············································1
1.1.1 城市道路兩側土壤重金屬污染國內外研究進展······················1
1.2城市街道灰塵重金屬污染···············································2
1.2.1 “城市街道灰塵”的定義········································2
1.2.2城市街道灰塵重金屬污染國內外研究進展···························3
1.3城市道路兩側土壤和灰塵中重金屬污染的危害和影響·······················4
1.3.1重金屬污染對人體的危害·········································4
1.3.2重金屬污染對植物的危害·········································4
1.4研究內容及技術路線···················································5
1.4.1研究意義·······················································5
1.4.2技術路線·······················································5
2 研究方法······························································6
2.1 重金屬污染評價方法··················································6
2.1.1 Muller地積累指數法············································6
2.1.2 潛在生態危害指數法············································6
2.2城市不同功能區地表灰塵重金屬分布差異·································7
2.3不同功能區地表灰塵重金屬來源及影響因素分析···························7
3 結論與展望····························································8
3.1結論·································································8
3.2展望·································································8
參考文獻································································9
1緒論
1.1道路兩側土壤重金屬污染
21世紀以來,城市化進程加快,城市化進程促進了工業化,增強了人類改造自然的能力,提高了對物質和能量的利用效率,節約了空間和時間,給人類帶來了巨大的效益。但又帶來住房困難、交通擁擠、環境污染、影響...
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