Spatial and temporal patterns of dieldrin pollution in the holme catchment, West Yorkshire, England

Environmental Pollution Series B, Chemical and Physical Pub Date : 1985-01-01 DOI:10.1016/0143-148X(85)90010-2

Michael Boryslawskyj, Anthony C. Garrood, Michael J. Morphy

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引用次数: 4

Abstract

West Yorkshire is one of the few remaining areas in the country where persistent organochlorine insecticides such as dieldrin are used for the mothproofing of textiles. Concentrations of dieldrin in the River Holme catchment were measured during 1980–1981.

A study of both spatial and temporal patterns of dieldrin concentration was undertaken. The spatial pattern revealed that the concentration decreased with the distance downstream of recognised discharges and that dieldrin was absent at detectable concentrations elsewhere in the system.

At selected stations, a detailed temporal survey was carried out and revealed that, close to the pollution source, massive changes in dieldrin concentration occurred over short time periods. As distance from the source increased, these changes were much less marked.

Earlier studies of dieldrin pollution in the catchment did not take into account the massive changes in concentration and attempted to predict mass flows for dieldrin in the system.

The implications of these fluctuations in concentration for future studies are therefore briefly discussed.

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英国西约克郡霍姆斯集水区狄氏剂污染的时空格局

西约克郡是英国仅存的几个使用狄氏剂等持久性有机氯杀虫剂对纺织品进行防蛀的地区之一。1980-1981年期间测量了霍尔姆河流域的狄氏剂浓度。对狄氏剂浓度的时空格局进行了研究。空间模式显示，狄氏剂的浓度随着距离下游的距离而降低，而狄氏剂在系统的其他地方没有可检测到的浓度。在选定的站点，进行了详细的时间调查，结果显示，在靠近污染源的地方，狄氏剂浓度在短时间内发生了巨大变化。随着离震源距离的增加，这些变化就不那么明显了。早期对流域中狄氏剂污染的研究没有考虑到浓度的巨大变化，并试图预测狄氏剂在系统中的质量流量。因此，简要讨论了这些浓度波动对未来研究的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Environmental Pollution Series B, Chemical and Physical

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