台灣地區環境保育意識推廣日益普及，社會民眾對河川治理事業及水資源開發事業必須兼顧河川生態之要求日益提升，其中自然淨化處理系統為將可行利用之河川地提供低透水性土壤底層、創造濕地動植物生態應用於廢污水淨化及水資源管理的一種永續生態工法。
本研究為利用地理資訊系統(GIS)技術建置標的河川有關高灘地利用、污染源分佈、污染承受區域、環境敏感區域等型態資料，配合本研究所建置之河川自然淨化處理系統(NTS)之功能估算與作業規範，尋求可用之河川淨化處理系統適作場址，並藉由功能決策運算推衍最適之淨化處理效能與效益，以提供決策者作為河川自淨生態保育與淨化場址功能評估之參考。 Because the concept of environmental restoration is getting popular in Taiwan, the request from general public for keeping balance of river ecology while performing river management and water resource utilization simultaneously is increasing. Among the feasible ecological technologies, natural treatment system is able to use high land with the river providing low permeable liner forming wetland habitats for animals and plants, and also can be treated as a sustainable ecological technology for wastewater treatment and water resource management.
This thesis is using geographic information system (GIS) to build up information about high land area, distribution of pollution sources, pollutant loading areas, environmental sensitive areas, etc. on the target river. In this thesis, the functional estimation and operation procedures of river natural treatment system (NTS) can be established. And this research can also help the policy-maker select the site of the ecological treatment system. Based on the estimation of strategy function, the optimized treatment efficiencies then can be predict for the decision maker as reference for evaluation of the sites used for river self-purification.
