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Effects of Climate and Sewer Condition on Virus Transport to Groundwater

机译：气候和下水道条件对病毒向地下水迁移的影响

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摘要

Pathogen contamination from leaky sanitary sewers poses a threat to groundwater quality in urban areas, yet the spatial and temporal dimensions of this contamination are not well understood. In this study, 16 monitoring wells and six municipal wells were repeatedly sampled for human enteric viruses. Viruses were detected infrequently, in 17 of 455 samples, compared to previous sampling at these wells. Thirteen of the 22 wells sampled were virus-positive at least once. While the highest virus concentrations occurred in shallower wells, shallow and deep wells were virus-positive at similar rates. Virus presence in groundwater was temporally coincident, with 16 of 17 virus-positive samples collected in a six-month period. Detections were associated with precipitation and occurred infrequently during a prolonged drought. The study purposely included sites with sewers of differing age and material. The rates of virus detections in groundwater were similar at all study sites during this study. However, a relationship between sewer age and virus detections emerged when compared to data from an earlier study, conducted during high precipitation conditions. Taken together, these data indicate that sewer condition and climate affect urban groundwater contamination by human enteric viruses.
机译：污水管泄漏造成的病原体污染对城市地区的地下水水质构成威胁，但这种污染的时空尺度尚不为人所知。在这项研究中，重复采样了16口监测井和6口市政井中的人类肠道病毒。与之前在这些孔中采样的样本相比，在455个样本中的17个样本中很少发现病毒。采样的22口井中有13口至少一次病毒阳性。虽然最高的病毒浓度发生在较浅的孔中，但浅孔和深孔的病毒阳性率相似。地下水中病毒的存在在时间上是重合的，六个月内收集了17个病毒阳性样品中的16个。检测与降水有关，在长时间干旱期间很少发生。该研究故意包括下水道不同年龄和材料的场所。在这项研究中，所有研究地点的地下水中病毒检出率均相似。但是，与早先在高降水条件下进行的研究得出的数据相比，下水道年龄与病毒检测之间的关系出现了。这些数据加在一起表明，下水道状况和气候会影响人类肠道病毒对城市地下水的污染。

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  • 来源
    《Environmental Science & Technology》 |2016年第16期|8497-8504|共8页
  • 作者

    Madeline B. Gotkowitz; Kenneth R. Bradbury; Mark A. Borchardt; Jun Zhu; Susan K. Spencer;

  • 作者单位

    Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Road, Madison, Wisconsin 53705, United States;

    Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Road, Madison, Wisconsin 53705, United States;

    USDA-Agricultural Research Service, 2615 Yellowstone Drive, Marshfield, Wisconsin 54449, United States;

    Department of Statistics and Department of Entomology, University of Wisconsin-Madison, 1300 University Avenue, Madison, Wisconsin 53706, United States;

    USDA-Agricultural Research Service, 2615 Yellowstone Drive, Marshfield, Wisconsin 54449, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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