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首页> 外文期刊>Journal of the American Water Resources Association >Modeling Megacity Drinking Water Security under a DSS Framework in a Tidal River at the North Pearl River Delta, China
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Modeling Megacity Drinking Water Security under a DSS Framework in a Tidal River at the North Pearl River Delta, China

机译：DSS框架下在中国北部珠江三角洲的潮汐河上模拟特大城市饮用水安全

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摘要

A modeling study was undertaken under a decision support system (DSS) for drinking water security in the Foshan section of the Beijiang River, a typical tidal river in the North Pearl River Delta. The DSS included a database layer, application support layer, and an application layer. As an integral part of the DSS application support layer, an integrated modeling system was developed to simulate hydrodynamics. The balance of dissolved oxygen and toxicants was based on an environmental fluid dynamics code and a water quality analysis simulation program (WASP) modeling framework. Model calibration and validation was undertaken using monitoring data in normal hydrological conditions. Four scenarios for the environmental management of water, including current water temp-spatial feature analysis, control of pollution sources, and emergency response, were designed and analyzed in the DSS. The results indicated that the tide downstream has a distinct influence on hydrodynamics and pollutant diffusion, and the DSS could be used to design effective schemes to reduce pollutant discharges and provide emergency responses for ensuring drinking water security.
机译：在决策支持系统（DSS）下，对北江（这是北珠江三角洲的典型潮汐河）佛山段的饮用水安全进行了建模研究。 DSS包括数据库层，应用程序支持层和应用程序层。作为DSS应用程序支持层的组成部分，开发了一个集成的建模系统来模拟流体动力学。溶解氧和有毒物质的平衡基于环境流体动力学规范和水质分析模拟程序（WASP）建模框架。使用正常水文条件下的监测数据进行模型校准和验证。在DSS中设计和分析了四种水环境管理方案，包括当前水的时空特征分析，污染源控制和应急响应。结果表明，潮汐下游对水动力和污染物扩散有明显的影响，DSS可用于设计有效的方案以减少污染物排放并为确保饮用水安全提供应急响应。

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