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Volume 34 Issue 4
Jul.  2015
Article Contents

Citation:

Temporal-spatial characteristics and ecological risk assessment of pollutants in surface sediment of Jinzhou Bay

  • Received Date: 2014-03-21
    Accepted Date: 2014-07-14
  • Temporal-spatial characteristics and ecological risk of pollutants in surface sediment of Jinzhou bay were investigated by data which was obtained from 2009 to 2013.The results show that pollutant concentration in south bank and the bottom of the bay was higher than north bank and the head of the bay.The concentration of Cu、Pb、Cd、Zn、As、organic carbon and sulfide obtained in 2013 was higher than that obtained in 2009 and 2010.The potential ecological risk index of Cu,Pb,Zn and As was much less than 40,which implied that those heavy metals had low ecological harm.The potential ecological risk index of Cd and Hg was between 42.3 and 148,which implied that the potential ecological risk of Cd and Hg was in strong level.
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  • [1] 犹 爽.大连海上机场工程对金州湾海域水环境影响数值研究[D].大连:大连理工大学,2013:30-36.[2]国家海洋局.2011年中国海洋环境状况公报[R].北京:国家海洋局,2012.[3]国家海洋局.2012年中国海洋环境状况公报[R].北京:国家海洋局,2013.[4]国家海洋局.2013年中国海洋环境状况公报[R].北京:国家海洋局,2014.[5] GB17378.3-2007,海洋监测规范 第3部分:样品采集、贮存与运输[S].[6] GB17378.5-2007,海洋监测规范 第5部分:沉积物分析方法[S].[7] GB18668-2002,海洋沉积物质量[S].[8]霍素霞.渤海沉积物重金属分布特征及生态风险研究[D].青岛:中国海洋大学,2011:82-108.[9]席英玉,林永青,杨妙峰,等.闽东山湾表层沉积物Hg、As的时空分布及其影响因子研究[J].海洋环境科学,2013,32(6):871-874.[11]孙钦帮,王 阳,李德鹏,等.大连小窑湾海域表层沉积物重金属潜在生态风险评价[J].海洋环境科学,2012,31(3):333-336.[12]王 莹,穆景利.区域PTS海洋环境风险评价研究进展[J].海洋环境科学,2011,30(2):301-304.[13]刘 成,王兆印,何 耘,等.环渤海湾诸河口潜在生态风险评价[J].环境科学研究,2002,15(5):33-37.[14]李淑媛,苗丰民,刘国贤,等.渤海底质重金属环境背景值初步研究[J].海洋学报,1995,17(2):78-85.[15]李淑媛,苗丰民,赵全民,等.辽东半岛西南及渤海中部海域表层沉积物的地球化学[J].海洋地质与第四纪地质,2010,30(4):123-130.
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Temporal-spatial characteristics and ecological risk assessment of pollutants in surface sediment of Jinzhou Bay

  • 1. National Marine Environment Monitoring Center, Dalian 116023, China

Abstract: Temporal-spatial characteristics and ecological risk of pollutants in surface sediment of Jinzhou bay were investigated by data which was obtained from 2009 to 2013.The results show that pollutant concentration in south bank and the bottom of the bay was higher than north bank and the head of the bay.The concentration of Cu、Pb、Cd、Zn、As、organic carbon and sulfide obtained in 2013 was higher than that obtained in 2009 and 2010.The potential ecological risk index of Cu,Pb,Zn and As was much less than 40,which implied that those heavy metals had low ecological harm.The potential ecological risk index of Cd and Hg was between 42.3 and 148,which implied that the potential ecological risk of Cd and Hg was in strong level.

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