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西北太平洋海域黑潮区有机氯农药和多氯联苯的浓度及其组成特征

徐良 贺静 林明兰 林田

徐良,贺静,林明兰,等. 西北太平洋海域黑潮区有机氯农药和多氯联苯的浓度及其组成特征[J]. 海洋学报,2022,44(9):1–10 doi: 10.12284/hyxb2022132
引用本文: 徐良,贺静,林明兰,等. 西北太平洋海域黑潮区有机氯农药和多氯联苯的浓度及其组成特征[J]. 海洋学报,2022,44(9):1–10 doi: 10.12284/hyxb2022132
Xu Liang,He Jing,Lin Minglan, et al. Concentration and composition of organochlorine pesticides and polychlorinated biphenyls in the Kuroshio area of the Northwest Pacific Ocean[J]. Haiyang Xuebao,2022, 44(9):1–10 doi: 10.12284/hyxb2022132
Citation: Xu Liang,He Jing,Lin Minglan, et al. Concentration and composition of organochlorine pesticides and polychlorinated biphenyls in the Kuroshio area of the Northwest Pacific Ocean[J]. Haiyang Xuebao,2022, 44(9):1–10 doi: 10.12284/hyxb2022132

西北太平洋海域黑潮区有机氯农药和多氯联苯的浓度及其组成特征

doi: 10.12284/hyxb2022132
基金项目: 国家自然科学基金(42076205)。
详细信息
    作者简介:

    徐良(1995-),男,安徽省滁州市人,研究方向为环境地球化学。E-mail:m190401014@st.shou.edu.cn

    通讯作者:

    林田,男,教授,主要从事海洋化学研究。E-mail:lintian@vip.gyig.ac.cn

  • 中图分类号: X55

Concentration and composition of organochlorine pesticides and polychlorinated biphenyls in the Kuroshio area of the Northwest Pacific Ocean

  • 摘要: 由于传统持久性有机污染物(POPs)如有机氯农药(OCPs)和多氯联苯(PCBs)在全球范围内被广泛的限制或禁用,各种环境介质中的污染物浓度呈现逐年降低的趋势。西北太平洋作为远离大陆的开放性海域,无明显的污染点源,其洋流在POPs的输送和扩散过程中扮演重要的角色。本研究采集西北太平洋黑潮区表层和次表层(2~5 m和150 m)水体为研究对象,分析其中溶解态OCPs六六六(HCHs)、滴滴涕(DDTs)、氯丹(CHLs)和PCBs的浓度及组成特征。结果显示,黑潮区表层水体中HCHs、DDTs、CHLs和PCBs的浓度范围分别为30.7~68.8 pg/L、6.16~23.8 pg/L、1.07~5.75 pg/L和49.8~124 pg/L;次表层水体中分别为27.3~68.4 pg/L、7.06~14.1 pg/L、0.518~10.1 pg/L和34.1~68.4 pg/L。HCHs各异构体的比值特征表明该海域以林丹输入为主,而DDTs和CHLs的比值结果显示,该海域水体中滴滴涕和氯丹均主要是来自于历史残留。水体中PCBs主要以三氯联苯、四氯联苯为主,与东亚多氯联苯的历史使用情况吻合。黑潮水团体量巨大且内部分布均匀对污染物的垂直分布产生重要影响,即不同深度水体中OCPs、PCBs浓度及其组成相当;同时黑潮带来的高温、高营养盐水团对其海域生物体内污染物的富集形成潜在风险。
  • 图  1  西北太平洋黑潮区水体采样点

    Fig.  1  Sampling sites in the Kuroshio area in the Northwest Pacific Ocean

    图  2  西北太平洋黑潮区水体中HCHs(a)、DDTs(b)、CHLs(c)及PCBs(d)浓度分布

    Fig.  2  Concentration of HCHs (a), DDTs (b), CHLs (c) and PCBs (d) in the water of the Kuroshio area in the Northwest Pacific Ocean

    图  3  西北太平洋黑潮区表层和次表水体中OCPs各异构体比值

    Fig.  3  The ratio of OCPs in surface and subsurface in the water of the Kuroshio area in the Northwest Pacific Ocean

    图  4  西北太平洋黑潮区表层(a)和次表层(b)水体PCBs各组分组成

    Fig.  4  Composition of PCBs in surface (a) and subsurface (b) in the water of the Kuroshio area in the Northwest Pacific Ocean

    表  1  西北太平洋水域水体中OCPs与其他水体的比较

    Tab.  1  Comparison of the levels of OCPs in the Northwest Pacific Ocean and those in others sea areas

    水域采样时间HCHs浓度DDTs浓度参考文献
    国内闽江口2003年103~515 ng/L89~234 ng/L文献[16]
    长江口2008年6~15 ng/L3~26 ng/L文献[17]
    珠江2012年ND~45 ng/LND~20 ng/L文献[18]
    渤海湾2004年50~750 ng/LND~105 ng/L文献[19]
    南海2010年12.8~14.2 ng/L4.55~13.3 ng/L文献[20]
    国外南波罗的海2003年0.18~0.75 ng/L0.05~0.32 ng/L文献[21]
    阿利坎特湖1992年1~2 ng/L5~13 ng/L文献[22]
    开阔大洋北冰洋2010年107~759 pg/L/文献[23]
    北太平洋2017年77.4~532 pg/L2.17~62 pg/L文献[24]
    西北太平洋2015年30.7~68.8 pg/L6.17~23.9 pg/L本研究
    注:/代表数据缺失; ND代表未检测到。
    下载: 导出CSV

    表  2  西北太平洋水域水体中PCBs与其他水体的比较

    Tab.  2  Comparison of the levels of PCBs in the Northwest Pacific Ocean and those in others sea areas

    水域采样时间PCBs浓度化合物数量参考文献
    国内东海2012年0.59~1.68 ng/L11文献[26]
    渤海2013年5.51~40.3 ng/L41文献[27]
    长江三角洲2011年1.23~16.6 ng/L38文献[28]
    大亚湾1999年91.1~1360 ng/L12文献[29]
    莱州湾2004年4.5~27.7 ng/L7文献[30]
    桑沟湾2009年19.6~43.7 ng/L7文献[11]
    珠江河口2000年33.4~1 060 ng/L21文献[31]
    国外日本冲绳岛2002年1.59~2.48 ng/L41文献[32]
    日本东京湾2006年0.04~0.64 ng/L209文献[33]
    孟加拉湾2015年32.2~161 ng/L209文献[34]
    杰纳布河2015年1.1~8.5 ng/L7文献[35]
    密西西比河2007年22.2~163 ng/L28文献[36]
    开阔大洋热带大西洋2013年ND~8.5 pg/L14文献[9]
    北大西洋1992年0.2~26 pg/L36文献[37]
    赤道太平洋2006年2.7~25 pg/L21文献[38]
    西北太平洋2015年49.8~125 pg/L41本研究
    注:ND表示未检测到。
    下载: 导出CSV
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