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題 名 | 灌溉渠道系統空間資料結構之建立及其應用=A Spatial Data Structure of Irrigation Canal Systems |
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作 者 | 溫在弘; 蘇郁修; 蘇明道; | 書刊名 | 農業工程學報 |
卷 期 | 50:3 2004.09[民93.09] |
頁 次 | 頁19-31 |
分類號 | 434.2571 |
關鍵詞 | 空間資料結構; 樹狀輸送網路; 地理資訊系統; 灌溉系統; Reservoir operations; Reservoir planning; Goal programming; Linear programming; Network programming; |
語 文 | 中文(Chinese) |
中文摘要 | 農田水利會管理業務之主要目的在於適時輸配適量之水至灌區以維持作物之生長,而灌溉渠道是進行灌溉輸配水管理工作之基礎,因此渠道網路系統之架構管理與維護即成為農田水利會業務的重心。本研究之目的在研討灌溉渠道等樹狀輸送網路的空間資料結構,建立渠道系統與灌區間之空間位相關係,以期有助於灌溉管理決策之彈性,提昇水利會業務之效率及效能。 本研究以嘉南農田水利會之曾文-烏山頭灌區為研究範圍,該灌區以水利小組(約50~150公頃)為灌溉管理單位,共包括673個水利小組。研究中針對數位化之灌溉渠道幹線、支線以及分線進行編碼以建立每一渠段之上下游位相關係,並透過每一個小組取水口所在的渠道來建立灌區-渠道之連結關係,發展出灌溉管理應用渠道系統之空間資料結構。研究中並以Microsoft Visual Basic與ESRI MapObjects在所建立之渠道空間資料結構上發展灌溉管理之溯源分析及受灌區查詢等應用系統;溯源分析可針對任一水利小組,透過取水口以及渠段的位相關係,查詢該小組水源上游輸配水路之渠段長度或名稱等資訊;受灌區查詢可針對任一渠段查詢其下游所有灌溉區域並統計其灌溉面積、作物制度等資訊。透過整合渠道網路與灌區之位相關係建立溯源分析及受灌區查詢,將有助於灌溉水質污染源追蹤、作物制度調整以及休耕區域選定等重要農田水利業務之決策品質,達成灌溉管理業務資訊化之目標。 |
英文摘要 | Irrigation canal systems are the important infrastructures of water management for irrigation associations. Therefore, management and maintenance of canal systems plays a vital role for irrigation business. The purpose of this paper is to establish spatial data structures of canal systems and spatial relationship between irrigation command area and canal systems in order to improve the flexibility of decisions for irrigation management. This study area is Tsengwen-Wushantou irrigation command area, of which Chia-Nan Irrigation Association is in charge. Irrigation canal systems, including main, secondary, and branch canals, are digitized and established directional relationship between each canal segment. An irrigation group (about 50~150 hectares) is used as spatial unit for this command area, which is compose of 673 irrigation groups. This paper applied the spatial relationship of canal systems for tracing the source of command area and tracing affected command area from some blacking canal segment.. By using the capacity of canal tracing, effectiveness and flexibility of policy-making for irrigation management can be improved. |
本系統中英文摘要資訊取自各篇刊載內容。