USING TREES AS A BARRIER TO METALS-CONTAMINATED, SALINE GROUNDWATER

Q2 Earth and Planetary Sciences
Christopher Olson, Frank Thomas, David Tsao, Ari Ferro
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引用次数: 0

Abstract

Groundwater in the shallow transmissive zone at an AMOCO site is highly saline and contaminated with inorganics and radionuclides that exceed the U.S. Environmental Protection Agency maximum concentration limits. Under a voluntary cleanup program agreement, additional response actions would be required (i.e., additional containment, pump and treat, etc.) if the plume migrates past the compliance monitoring boundary.

A dilution study and greenhouse feasibility study are under way to determine the suitability of installing a tree barrier strip at the site. The installation of dense rows of deep-rooted water-loving trees perpendicular to groundwater flow and along the leading edge of the plume may serve as added insurance against further off-site migration; the trees essentially acting as a flow confinement system.

利用树木作为金属污染的含盐地下水的屏障
AMOCO站点浅层传输区的地下水含盐量很高,受到无机物和放射性核素的污染,超过了美国环境保护署的最高浓度限制。根据自愿清理计划协议,如果烟羽越过合规监测边界,将需要采取额外的应对行动(即额外的遏制、泵和处理等)。目前正在进行稀释研究和温室可行性研究,以确定在该地点安装树木屏障带的适宜性。在垂直于地下水流动的深根亲水树木的密集排列中,沿着烟羽的前缘,可以作为防止进一步异地迁移的额外保险;这些树实际上就像一个流动限制系统。
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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来源期刊
Environmental Geosciences
Environmental Geosciences Earth and Planetary Sciences-Earth and Planetary Sciences (all)
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