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海洋科学  2008 

大气颗粒物中微量营养元素Fe、Mn和Cu的来源与沉降

, PP. 44-48

Keywords: 大气颗粒物,Fe,Mn,Cu,来源,粒径大小,大气沉降

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Abstract:

测定了义乌市大气颗粒物中总悬浮颗粒物(TSP)及微量营养元素Fe、Mn和Cu的浓度,并对颗粒物粒径分布和外形进行了扫描电镜分析,同时分析了这3种金属的来源和沉降量。结果表明,微量营养元素Fe和Mn主要来源于地壳,而Cu来源于人为污染;Fe与Mn之间的相关性极显著;绝大部分颗粒物的粒径小于9μm;Fe和Mn湿沉降量大于干沉降量,而Cu以干沉降为主。

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