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| Atmospheric Deposition of Heavy Metals in Farmland Area Around a Copper Smelter |
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| KeyWord:atmospheric deposition; heavy metals; spatial-temporal variation; farmland area |
| Author Name | Affiliation | | TAO Mei-juan | Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan 335211, China
University of Chinese Academy of Sciences, Beijing 100049, China | | ZHOU Jing | Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan 335211, China | | LIANG Jia-ni | Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan 335211, China | | CUI Hong-biao | Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan 335211, China
University of Chinese Academy of Sciences, Beijing 100049, China | | XU Lei | Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan 335211, China
University of Chinese Academy of Sciences, Beijing 100049, China | | ZHU Zhen-qiu | Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan 335211, China
University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: |
| Atmospheric deposition is one of transport approaches of heavy metals. Farmland is facing heavy metal pollution from the surrounding industries. In this study, we selected a typical farmland area to explore the spatial-temporal variation characteristics of heavy metal deposition around a copper smelter. Between May, 2012 to April, 2013, atmospheric deposition samples（dry and wet） were collected monthly at 8 monitoring sites. The annual deposition fluxes of heavy metals were 638.0 mg·m-2·a-1, 6.56 mg·m-2·a-1, 70.0 mg·m-2·a-1, 225.0 mg·m-2·a-1, and 22.7 mg·m-2·a-1 for Cu, Cd, Pb, Zn and Cr, respectively. These heavy metals showed temporal variations. Zinc and Cr depositions had significant monthly and seasonal variations（P<0.05）, but Cd showed significant monthly variation only（P<0.05, n=96）, and Pb seasonal differences only（P<0.05, n=32）. However, no significant monthly or seasonal variations were found for Cu deposition. The annual deposition fluxes of Cu, Cd and Pb had markedly difference between monitoring sites（P<0.01, n=8）, but not for Zn and Cr（P>0.05, n=8）. |
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