RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2007, Vol. 16 >> Issue (5): 674-674.

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ANALYSIS OF HEAVY METAL POLLUTION AND ASSESSMENT OF ITS ENVIRONMENTAL EFFECT IN DEVELOPED AREAS

XIAO Sisi| HUANG Xianjing| PENG Buzhuo| PU Lijie| CHEN Yi   

  • Received:1900-01-01 Revised:1900-01-01 Online:2007-09-20

Abstract:

The distribution of heavy mentals，i.e.As，Cd，Cr，Cu，Pb，Ni，Hg and Zn in cultivated soils in Kunshan City were studied in the present investigation.Statistical results showed that the cultivated soil in Kunshan City was polluted by heavy metals.Among the eight types of heavy metal elements，the element Hg had the highest level exceeding the national background level and the largest variability in the cultivated soil.Meanwhile，heavy metals of As，Cd，Cr，Cu，Pb，Ni，Zn all exceeded the national heavy metal background value of soils.The Synthetic Pollution Index was in the following order：paddy field (115) > dry land (100).Heavy metals in five towns，i.e.Qiandeng，Luyang，Shipu，Jinxi，Shipai were in the precaution domain，while other towns (Penlang，Zhouzhuang，Zhangpu，Zhengyi，Zhoushi，Bacheng，Dianshanhu，Huaqiao，Lujia) were all subtly polluted.Regional heavy metal pollution had the characteristics of combined pollution because there was a significant positive correlation among Cd and Pb (〖WTBX〗P〖WTBZ〗=06210)，Pb and Hg，Cu，Zn (04387，04260，03509) and Cu and Cr (03940).It was also found that the regional heavy metal pollution was influenced by artificial factors.Consequently，Hg which was the regional priority control pollutant and Pb，Cd，Zn，Cu，Cr which were the regional inferior priority control pollutants，should be frequently monitored and closely regulated in cultivated soils in Kunshan of Suzhou City，Jiangsu Province.

Key words: heavy metal pollution, pollution assessment, combined pollution, regional priority control pollutant

[1] DANG Li-na, MEI Yang, LIAO Xiang-sen, LIU Ying-ying. STUDY ON MULTIVARIABLE STATISTICS AND SPATIAL DISTRIBUTION OF URBAN SOIL HEAVY METALS AT DIFFERENT TRAFFIC CIRCLE (BAND)——WITH THE EXAMPLE OF WUHAN [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(06): 925-931.
[2] PENG Beng-, Diao-You-, Zhang-Long-Zhen-, Feng-An-Peng-, Liu-Jian-Yi-. TOXICOLOGY OF THREE HEAVY METAL IONS TO EARLY LIFEDEVELOPMENT OF |TRIDENTIGER TRIGONOCEPHALUS |COLLECTED FROM THE YANGTZE ESTUARY
  [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2009, 18(8): 719-.
[3] WANG Chu, CHEN Zhenlou, WANG Jing, ZHOU Naisheng, XU Shiyuan. HEAVY METAL POLLUTION OF SOILS ALONGSIDE ROADS OF CHONGMING ISLAND OF SHANGHAI CITY [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2008, 17(1): 105-105.
[4] CHANG Qingshan,MA Xiangqing,WANG Zhiyong. POLLUTION CHARACTERISTICS OF HEAVY METALSAND THEIR POLLUTION EVALUTION IN THE HEAVY METAL MINING AREAS IN SOUTH CHINA [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2007, 16(3): 395-395.
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