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首页> 外文会议>International Conference on Groundwater Research, Jun 6-8, 2000, Copenhagen, Denmark >Monitored natural attenuation - can mass flux through monitoring fences document mass loss in groundwater plumes?
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Monitored natural attenuation - can mass flux through monitoring fences document mass loss in groundwater plumes?

机译：监测到的自然衰减-通过监测围栏的质量通量能否记录下地下水羽流中的质量损失？

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摘要

One approach to demonstrating that mass loss is occurring in a groundwater plume may be to assess changes in contaminant flux over time at one distance and/or over distance at one time along the plume. Contaminant flux is usually established by monitoring series of wells placed at right angle to groundwater flow. One plume in the Borden aquifer emanates from an emplaced source of coal tar creosote and fence monitoring results agreed qualitatively with plume-scale mass loss estimates. Another plume from an uncontrolled spill of gasoline demonstrated BTEX mass loss both in the whole plume and in a comparison of mass fluxes across two fences. However, the detailed monitoring required at complex sites limits the practical application of this approach.
机译：证明地下水羽流中正在发生质量损失的一种方法可能是评估污染物流在某一距离和/或沿着羽流的某一距离随时间的变化。通常通过监测一系列与地下水流成直角的井来建立污染物通量。 Borden含水层中的一根烟流是从煤焦油杂色油的放置源中散发出来的，围栏监测结果在质量上与烟流规模的质量损失估算相符。来自不受控制的汽油泄漏的另一羽烟流显示，BTEX的质量损失在整个烟羽流中以及两个栅栏上的质量通量的比较中均如此。但是，复杂站点所需的详细监视限制了该方法的实际应用。

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