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湖北秭归鱼泉洞泉域系统中六六六(HCHs)和滴滴涕(DDTs)的分布、来源与迁移

杨秀雯 魏志莹 易佳佩 李雯星 景一鸣 秦超杰 熊俊武 刘伟 周宏 祁士华 陈伟

杨秀雯, 魏志莹, 易佳佩, 李雯星, 景一鸣, 秦超杰, 熊俊武, 刘伟, 周宏, 祁士华, 陈伟. 湖北秭归鱼泉洞泉域系统中六六六(HCHs)和滴滴涕(DDTs)的分布、来源与迁移[J]. 地质科技通报, 2024, 43(3): 311-322. doi: 10.19509/j.cnki.dzkq.tb20230466
引用本文: 杨秀雯, 魏志莹, 易佳佩, 李雯星, 景一鸣, 秦超杰, 熊俊武, 刘伟, 周宏, 祁士华, 陈伟. 湖北秭归鱼泉洞泉域系统中六六六(HCHs)和滴滴涕(DDTs)的分布、来源与迁移[J]. 地质科技通报, 2024, 43(3): 311-322. doi: 10.19509/j.cnki.dzkq.tb20230466
YANG Xiuwen, WEI Zhiying, YI Jiapei, LI Wenxing, JING Yiming, QIN Chaojie, XIONG Junwu, LIU Wei, ZHOU Hong, QI Shihua, CHEN Wei. Distribution, sources and transport of HCHs and DDTs in the Yuquandong spring system from Zigui County, Hubei Province[J]. Bulletin of Geological Science and Technology, 2024, 43(3): 311-322. doi: 10.19509/j.cnki.dzkq.tb20230466
Citation: YANG Xiuwen, WEI Zhiying, YI Jiapei, LI Wenxing, JING Yiming, QIN Chaojie, XIONG Junwu, LIU Wei, ZHOU Hong, QI Shihua, CHEN Wei. Distribution, sources and transport of HCHs and DDTs in the Yuquandong spring system from Zigui County, Hubei Province[J]. Bulletin of Geological Science and Technology, 2024, 43(3): 311-322. doi: 10.19509/j.cnki.dzkq.tb20230466

湖北秭归鱼泉洞泉域系统中六六六(HCHs)和滴滴涕(DDTs)的分布、来源与迁移

doi: 10.19509/j.cnki.dzkq.tb20230466
基金项目: 

国家重点研发计划"场地土壤污染成因与治理技术"重点专项项目 2019YFC1805502

国家自然科学基金青年项目 41907327

国家自然科学基金青年项目 42007178

中国地质调查局地质调查项目 DD2019082

详细信息
    作者简介:

    杨秀雯, E-mail: yxw1145980705@163.com

    通讯作者:

    陈伟, E-mail: wei.chen@cug.edu.cn

  • 中图分类号: X143

Distribution, sources and transport of HCHs and DDTs in the Yuquandong spring system from Zigui County, Hubei Province

More Information
  • 摘要:

    岩溶区特殊的地形地貌, 使得地表环境中的有机氯农药(OCPs)很容易进入地下环境, 对地下水的安全构成威胁。采用气相色谱-电子捕获检测器(GC-ECD)对湖北秭归鱼泉洞泉域系统中的典型OCPs——六六六(HCHs)和滴滴涕(DDTs)进行了检测, 探究了其时空分布特征、潜在污染来源和迁移特征。结果表明: 水体中HCHs质量浓度范围为0.09~5.17 ng/L, 土壤和泉沉积物中HCHs质量分数范围分别为0.36~3.67, 0.11~2.53 ng/g; 水体中DDTs质量浓度范围为0.13~7.16 ng/L, 土壤和泉沉积物中DDTs质量分数范围分别为0.22~19.13, 0.73~11.53 ng/g, 呈现出以DDTs为主的污染特征。水体中HCHs和DDTs质量浓度在冬季最高; 土壤中HCHs和DDTs质量分数分别在夏季和冬季达到最高; 泉沉积物中HCHs和DDTs质量分数分别在夏季和春季达到峰值。特征比值结果显示, 水体、土壤和泉沉积物中HCHs主要源于林丹的使用; 水体中DDTs主要源于历史残留, 而土壤和泉沉积物中DDTs主要来源于近期使用。相关性分析结果表明, HCHs和DDTs可从补给区地表水和补给区土壤分别向排泄区泉水和泉沉积物中迁移。HCHs和DDTs在介质中的快速迁移证实了岩溶区地下水的脆弱性。本研究成果可以为岩溶地下水资源和环境的保护提供参考。

     

  • 图 1  湖北秭归鱼泉洞泉域采样点位置(a, b)及水文地质剖面图(c)

    Figure 1.  Sampling sites(a, b) and hydrogeological profile(c) for the Yuquandong spring system from Zigui County, Hubei Province

    图 2  鱼泉洞泉域水体中Σ4HCHs(a)和Σ6DDTs(b)的时空分布

    Figure 2.  Spatial and temporal distributions of Σ4HCHs (a) and Σ6DDTs (b) in water from the Yuquandong spring system

    图 3  鱼泉洞泉域土壤中Σ4HCHs(a)和Σ6DDTs(b)的时空分布

    Figure 3.  Spatial and temporal distributions of Σ4HCHs (a) and Σ6DDTs (b) in soils from the Yuquandong spring system

    图 4  鱼泉洞泉域泉沉积物中Σ4HCHs和Σ6DDTs的时空分布

    Figure 4.  Spatial and temporal distributions of Σ4HCHs and Σ6DDTs in spring sediments from the Yuquandong spring system

    图 5  鱼泉洞泉域不同季节HCHs(a~d)和DDTs(e~h)的组成特征

    Figure 5.  Composition characteristics of HCHs (a-d) and DDTs (e-h) in different seasons from the Yuquandong spring system

    图 6  鱼泉洞泉域HCHs(a)和DDTs(b, c)的特征比值

    Figure 6.  Characteristic ratios of HCHs (a) and DDTs (b, c) from the Yuquandong spring system

    表  1  鱼泉洞泉域水体中HCHs和DDTs的质量浓度及检出率

    Table  1.   Mass concentrations and detection rates of HCHs and DDTs in water from the Yuquandong spring system

    物质 补给区地表水 排泄区泉水
    范围/(ng·L-1) 均值/(ng·L-1) 检出率/% 范围/(ng·L-1) 均值/(ng·L-1) 检出率/%
    α-HCH <MDL~0.99 0.26 63 <MDL~0.70 0.18 25
    β-HCH <MDL~1.19 0.27 88 0.03~0.72 0.26 100
    γ-HCH <MDL~1.44 0.22 75 <MDL~1.00 0.26 50
    δ-HCH 0.03~2.02 0.64 100 0.03~1.12 0.34 100
    Σ4HCHs 0.09~5.17 1.39 100 0.12~3.55 1.04 100
    o, p′-DDE 0.02~0.51 0.17 100 0.02~0.39 0.17 100
    p, p′-DDE 0.01~0.51 0.13 100 0.02~0.41 0.12 100
    o, p′-DDD 0.02~0.33 0.14 100 0.02~0.27 0.10 100
    p, p′-DDD 0.01~0.73 0.17 100 0.02~0.59 0.16 100
    o, p′-DDT 0.03~2.30 0.49 100 <MDL~0.04 0.02 75
    p, p′-DDT 0.02~2.78 0.61 100 <MDL~2.36 0.61 75
    Σ6DDTs 0.21~7.16 1.71 100 0.13~4.03 1.19 100
    注:Σ4HCHs表示α-HCH、β-HCH、γ-HCH和δ-HCH的和;Σ6DDTs表示o, p′-DDE、p, p′-DDE、o, p′-DDD、p, p′-DDD、o, p′-DDT和p, p′-DDT的和;<MDL表示低于检出限(下同)
    下载: 导出CSV

    表  2  鱼泉洞泉域土壤中HCHs和DDTs的质量分数及检出率

    Table  2.   Mass fractions and detection rates of HCHs and DDTs in soils from the Yuquandong spring system

    物质 补给区土壤 排泄区土壤
    范围/(ng·g-1) 均值/(ng·g-1) 检出率/% 范围/(ng·g-1) 均值/(ng·g-1) 检出率/%
    α-HCH 0.13~2.98 1.05 100 0.13~2.04 0.61 100
    β-HCH <MDL~0.57 0.21 100 0.13~0.26 0.18 100
    γ-HCH <MDL~0.28 0.19 88 0.12~1.23 0.43 100
    δ-HCH 0.13~0.27 0.21 100 0.12~1.04 0.38 100
    Σ4HCHs 0.36~3.67 1.67 100 0.49~2.71 1.60 100
    o, p′-DDE <MDL~0.23 0.15 88 0.04~2.01 0.82 100
    p, p′-DDE 0.07~0.29 0.12 100 0.08~0.94 0.42 100
    o, p′-DDD 0.03~0.78 0.17 100 0.03~0.08 0.05 100
    p, p′-DDD <MDL~0.07 0.05 88 0.07~10.49 2.70 100
    o, p′-DDT <MDL~1.86 0.73 88 0.23~7.20 3.29 100
    p, p′-DDT <MDL~1.30 0.51 63 0.31~5.83 2.24 100
    Σ6DDTs 0.22~3.53 1.73 100 0.75~19.13 9.52 100
    下载: 导出CSV

    表  3  鱼泉洞泉域中HCHs和DDTs含量的皮尔逊相关系数(r)

    Table  3.   Spearman correlation coefficients (r) of HCHs and DDTs concentrations from the Yuquandong spring system

    地表水 泉水 补给区土壤 排泄区土壤 泉沉积物
    地表水 1
    泉水 0.78** 1
    补给区土壤 0.09 -0.05 1
    排泄区土壤 0.22 0.17 0.15 1
    泉沉积物 -0.15 -0.12 0.43** 0.24 1
    ** 在0.01水平,相关性显著
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-08-16
  • 录用日期:  2023-12-01
  • 修回日期:  2023-11-27

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