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Design of an early warning system of water security for Liaohe River based on GIS

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作者：
School of Environ. and Biol. Sci. and Technol., Dalian Univ. of Technol., Dalian 116024, China [1 ]
不详 [2 ]
机构：
来源：
Dalian Ligong Daxue Xuebao | 2007年 / 2卷 / 175-179期
关键词：
Alarm systems - Computer applications - Design - Geographic information systems - Rivers - Water quality;
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摘要：
Water security is of spatiality and regionality. Logical process of early warning system of water security based on GIS is expounded taking Liaohe River for an example. System functions that involve information collection, query and search, assessment and analysis, dynamic prediction and early warning, guide and management are designed primarily according to its aim and principle. The client-browser-server network structures are designed. Database constructions are explained. This design provides the scientific gist for mastering water security states, issuing early warning information and taking essential measures.
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