- 期刊
QGIS系統應用於流域水資源規劃作業
Application of Quantum GIS System for Water Resources Planning
摘要
臺灣因為人口聚居及工商業快速發展，公共與工業用水與日俱增，水資源面臨供應不足問題，亟需建立一套便捷的水資源設施評估系統，以快速獲得可能堰壩址與水源取用的分析結果。本研究所建立的資訊平臺以數值高程模式為基礎，建置地形指數模式，整合地文與水文運算模組，應用Quantum GIS地理資訊系統技術與圖形介面，開發雨量分析、流量分析、水庫特性分析、水源分析、空間分析等模組，藉以建置流域水資源規劃作業系統。使用者可推求集水區河川網路上任一位置點之地文因子，而後計算該位置點的水庫水位－面積－庫容曲線、天然日流量，以及水資源潛能等水資源規劃所需重要資訊。本研究以新北市雙溪水庫預定地為例，進行水庫上游集水區地文與水文分析，評估水資源潛能，以確認水庫興建的合宜性。
並列摘要
Due to the rapid development and concentrated population in the cities of Taiwan, the domestic and industrial water use is increasing recently, which results in insufficient water supply. It is urgent to establish a convenient water resources assessment system to provide detail analysis for the available water sources at the possible dam site. The information platform developed in this study based on a digital elevation model, which has integrated geomorphologic and hydrological programs with Quantum GIS technology on a graphical interface. The built-in functions include rainfall analysis module, flow analysis module, reservoir characteristics analysis module, water sources analysis module, and spatial analysis module for water resources planning. User can inquire the geological factors at any point on the river network to obtain the information of reservoir H-A-V curve, daily flow series, and potential water supply for water resource planning. In this study, the planned site of Shuangxi Reservoir in New Taipei City was used as an example to conduct geological and hydrological analysis in the upstream catchment of the reservoir. Detail assessments for the water resources potential were performed to confirm the suitability of the reservoir developing project.
參考文獻
延伸閱讀
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