城鄉(xiāng)道路兩側(cè)重金屬污染特征研究進(jìn)展(終稿)
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- 城鄉(xiāng)道路兩側(cè)重金屬污染特征研究進(jìn)展(終稿) (1)摘要····································································Ⅰ
1 緒論··································································1
1.1 道路兩側(cè)土壤重金屬污染··············································1
1.1.1 城市道路兩側(cè)土壤重金屬污染國(guó)內(nèi)外研究進(jìn)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(guó)內(nèi)外研究進(jìn)展···························3
1.3城市道路兩側(cè)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(duì)人體的危害·········································4
1.3.2重金屬污染對(duì)植物的危害·········································4
1.4研究?jī)?nèi)容及技術(shù)路線···················································5
1.4.1研究意義·······················································5
1.4.2技術(shù)路線·······················································5
2 研究方法······························································6
2.1 重金屬污染評(píng)價(jià)方法··················································6
2.1.1 Muller地積累指數(shù)法············································6
2.1.2 潛在生態(tài)危害指數(shù)法············································6
2.2城市不同功能區(qū)地表灰塵重金屬分布差異·································7
2.3不同功能區(qū)地表灰塵重金屬來(lái)源及影響因素分析···························7
3 結(jié)論與展望····························································8
3.1結(jié)論·································································8
3.2展望·································································8
參考文獻(xiàn)································································9
1緒論
1.1道路兩側(cè)土壤重金屬污染
21世紀(jì)以來(lái),城市化進(jìn)程加快,城市化進(jìn)程促進(jìn)了工業(yè)化,增強(qiáng)了人類改造自然的能力,提高了對(duì)物質(zhì)和能量的利用效率,節(jié)約了空間和時(shí)間,給人類帶來(lái)了巨大的效益。但又帶來(lái)住房困難、交通擁擠、環(huán)境污染、影響...
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