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Spatial patterns of cadmium and lead deposition on and adjacent to National Park Service lands in the vicinity of Red Dog Mine, Alaska

机译:阿拉斯加红狗矿附近国家公园管理局土地上和附近的镉和铅沉积的空间格局

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摘要

Heavy metal escapement associated with ore trucks is known to occur along the DeLong Mountain Regional Transportation System (DMTS) haul road corridor in Cape Krusenstern National Monument, northwest Alaska. Heavy metal concentrations in Hylocomium splendens moss (n =226) were used in geostatistical models to predict the extent and pattern of atmospheric deposition of Cd and Pb on Monument lands. A stratified grid-based sample design was used with more intensive sampling near mine-related activity areas. Spatial predictions were used to produce maps of concentration patterns, and to estimate the total area in 10 moss concentration categories.
机译:众所周知,与矿石卡车相关的重金属逃逸发生在阿拉斯加西北部克鲁斯滕斯登角国家纪念碑的德龙山区区域运输系统(DMTS)运输道路上。在地统计学模型中使用了Hylocomium splendens moss(n = 226)中的重金属浓度来预测纪念碑土地上Cd和Pb的大气沉积程度和模式。使用了基于分层网格的样本设计,并在与矿有关的活动区域附近进行了更深入的采样。空间预测用于产生浓度模式图,并估计10个苔藓浓度类别的总面积。

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