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首页> 外文期刊>The Science of the Total Environment >Risk assessment framework for nitrate contamination in groundwater for regional management
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Risk assessment framework for nitrate contamination in groundwater for regional management

机译：区域管理中地下水硝酸盐污染的风险评估框架

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摘要

Nitrate pollution in groundwater is now one of the most important environmental problems all over the world. For this purpose, a new framework for risk screening and assessment of groundwater nitrate was proposed according to source-pathway-receptor-response model to provide basic for defining environmental management strategies. The framework is composed of groundwater relative risk model (RRM), groundwater contamination risk assessment (CRA), and human health risk assessment (HHRA). The framework is applied in the lower Liaohe river basin plain, northeast of China. The results showed that the priority area with high groundwater relative risk in study areawas successfully screened by RRM. Furthermore, the siteswith high human health risk for public by groundwater nitrate were selected as hazardous areas. This framework promotes systematic integration of risk assessment of groundwater nitrate and expands traditional research on groundwater management from a scale-based approach to crucial insights into pollution. (C) 2019 Elsevier B.V. All rights reserved.
机译：现在，地下水中的硝酸盐污染是全世界最重要的环境问题之一。为此，根据源-途径-受体-反应模型，提出了一种新的地下水硝酸盐风险筛选和评估框架，为确定环境管理策略提供基础。该框架由地下水相对风险模型（RRM），地下水污染风险评估（CRA）和人类健康风险评估（HHRA）组成。该框架应用于中国东北的辽河下游平原。结果表明，RRM成功筛选了研究中地下水相对风险较高的优先区域。此外，地下水硝酸盐对公众的人类健康风险高的地点被选为危险区域。该框架促进了地下水硝酸盐风险评估的系统整合，并将传统的地下水管理研究从基于规模的方法扩展到对污染的关键见解。 （C）2019 Elsevier B.V.保留所有权利。

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