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首页> 外文会议>Eighth International Conference on Tailings and Mine Waste '01, Jan 16-19, 2001, Fort Collins, Colorado, USA >GIS-facilitated, hydrogeochemical modeling for mine waste reclamations
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GIS-facilitated, hydrogeochemical modeling for mine waste reclamations

机译：GIS促进的矿山废料开垦的水文地球化学模型

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摘要

Hard rock mine closure regulations require an assessment of the potential for sul-fide-bearing mining wastes to impact groundwater quality through acidic seepage. Data from static and kinetic tests, seepage monitoring, and hydrogeochemical modeling are used for making these assessments. Standard hydrogeochemical models often do not adequately account for complicated mixtures of mining wastes and the size- and site-dependent characteristics of waste rock stockpile facilities. An alternative modeling approach was developed that overcomes these limitations for existing stockpiles and their post-closure regraded configurations processed through custom GIS software (see companion paper by Jordan in this volume). The approach was tested on a conceptual, sulfide-bearing stockpile facility constructed by a U.S. hard rock metal mine located in the arid west. Comparative stockpile modeling results indicate that standard slope regrading and reclamation practices used in this setting do not substantially decrease the potential mass loading of contaminants to the underlying aquifer(s).
机译：硬岩矿山关闭规定要求评估含硫化物的矿山废物通过酸性渗漏影响地下水质量的潜力。来自静态和动态测试，渗流监测和水文地球化学模型的数据用于进行这些评估。标准的水文地球化学模型通常不能充分考虑采矿废料的复杂混合物以及废石储备设施的大小和位置相关特性。开发了一种替代的建模方法，该方法克服了现有库存及其通过定制GIS软件处理后的收盘后重新配置配置的这些限制（请参见本卷宗中的佐敦论文）。该方法已在位于干旱西部的美国硬岩金属矿建造的概念性，含硫化物的储存设施上进行了测试。比较的库存建模结果表明，在这种情况下使用的标准坡度翻新和填海做法不会显着降低污染物向潜在含水层的潜在质量负荷。

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