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| 題 名 | 石門大圳灌區灌溉配水計畫之探討=Investigation on the Irrigation Water Plan in Shihmen Main Canal Area |
|---|---|
| 作 者 | 簡傳彬; 黃振昌; | 書刊名 | 農業工程學報 |
| 卷 期 | 50:1 2004.03[民93.03] |
| 頁 次 | 頁72-84 |
| 分類號 | 434.2571 |
| 關鍵詞 | 灌溉配水量; 有效雨量; 灌溉水質; Water distribution; Effective rainfall; Irrigation water quality; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 臺灣地區近年來由於社會環境的變遷以及工商業的快速發展,使得影響灌溉用水之渠道輸水損失、輔助水源的灌溉水質、秧田用水及有效雨量等,均已異於40年前石門大圳完工時之情況。因此本文分別就石門大圳灌區不合格水量、有效雨量與渠道輸水損失等進行探討及分析。最後就各因子對灌溉配水計畫之影響,進行綜合檢討。 石門水庫之石門大圳灌溉配水量在預定灌溉面慎為12,206公頃之基準下,原計畫石門大圳灌溉配水量17,214萬立方公尺;經依民國69年至89年日雨量資料,進行有效雨量之修正後,配水量為19,635萬立方公尺,約增加2,421萬立方公尺(約為原計畫灌溉配水量的14%)。經以修正有效雨量並採用民國90年至91年之輸水損失實測建議值,配水量為20,327萬立方公尺,較僅修正有效雨量之灌溉配水量增加約692萬立方公尺(約為僅修正有效雨量之灌溉配水量的3.5%);而不考慮秧田用水將減少灌溉配水量約為695萬立方公尺(約為原計畫灌溉配水量的4.0%);如將不符合灌溉水質標準之補助水源改由水庫供給,灌溉配水量需增加約785萬立方公央(約為原計畫之灌溉配水量的4.4%)。經修正有效雨量、採用民國90年至91之輸水損失實測建議值,不計秧田用水及將不符合灌溉水質標準之補助水源改由水庫供給之條件,在灌溉面積12,206公頃之基準下,建議水庫配水量為20,390萬立方公尺;此外,近年來由於水稻田之休耕轉作等各項因素,將造成預定灌溉面積與實際灌溉面積有相當大的差異;建議有關單位應隨時追蹤調查實際種植(灌溉)面積以修正灌溉計畫用水量。 |
| 英文摘要 | Due to recent social environment changes and rapid development in industry and commerce in Taiwan, water conveyance losses, water quality of supplement sources, seeding water requirement and effective rainfall have been different from those in 40 years ago when the Shihmen main canal was just constructed. Therefore, this study conducts investigation and analyses on substandard irrigation water, effective rainfall and water conveyance losses of the Shihmen main canal. A comprehensive review is proposed with is on various factors of the influence on irrigation water plan. With originally design irritation are of 12,206 hectares, the water from the Shihmen Reservoir for the Shihmen main canal was planned to be 172.14×□□. It is corrected that the water distributed is 196.35×□□ according to the daily rainfall records (1980-2000). The increase amount is about 24.21×□□ which is 14% of the originally planned distribution water. With corrected effective rainfall and suggested water conveyance losses in field investigation in 2001 and 2002, distribution water is 203.27×□□, which is of 6.92×□□ more than corrected effective rainfall and is about 3.5% of distribution water with corrected effective rainfall. In case there is no need of water for seeding, the amount of 6.95×□□ will be cut from distribution water and this is about 4.0% of original planned distribution water. If the supplementary water which fails to pass the criteria is supplied by the reservoir, the distribution water will be increased by an amount of 7.58×□□ which is about 4.4% of original planned distribution water. With corrected effective rainfall, suggested water conveyance losses in field investigation in 2001 and 2002, no need of water for seeding, and supplementary water supplied by the reservoir, the suggested distribution water is 203.90×□□ to an irrigation are of 12,206 hectares. In addition, due to the factors of recession and transferring for paddy field recently, there is a big difference between planned irrigation area and actual irrigation area. It is suggested that related government agencies keep tracing about actual irrigation area so as to modify the water distribution for the irrigation plans. |
本系統中英文摘要資訊取自各篇刊載內容。