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首页> 外文期刊>Computers, Environment and Urban Systems >Measuring toxic emissions from landfills using sequential screening
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Measuring toxic emissions from landfills using sequential screening

机译：使用顺序筛选测量填埋场的有毒排放

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Comparisons of alternate spatial sampling strategies for characterizing hazardous waste sites can be performed using GIS-based stochastic simulation techniques. This work compares a traditional sampling design that uses only precise laboratory analytical methods to a sequential screening strategy that uses field screening methods to focus quantitative analysis on areas having pollutant concentrations above the analytical detection limit. Cost savings that result from eliminating uncontaminated areas from detailed analysis are spent on obtaining additional measurements until a fixed sampling budget is depleted. The screening strategy produces less biased and more precise estimates of volatile organic compounds emissions from an example landfill.
机译：可以使用基于GIS的随机模拟技术来比较表征危险废物场所的替代空间采样策略。这项工作将仅使用精确实验室分析方法的传统采样设计与使用现场筛选方法将定量分析集中于污染物浓度高于分析检测极限的区域的顺序筛选策略进行了比较。通过从详细分析中消除未受污染的区域而节省的成本将用于获得额外的测量值，直到固定的采样预算用完为止。筛选策略可减少示例性垃圾填埋场对挥发性有机化合物排放量的偏倚和更精确的估计。

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