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題 名 | 農業水資源有效利用之研究--以新竹水利會竹東圳灌區為例=Study on Effective Use of Agricultural Water Resources--Apply in the Irrigation Area of Chu-tung Canal in Hsin-chu |
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作 者 | 甘俊二; 陳鈞華; 吳國銘; | 書刊名 | 農業工程學報 |
卷 期 | 48:2 2002.06[民91.06] |
頁 次 | 頁17-31 |
分類號 | 434.287 |
關鍵詞 | 農業水資源; 灌溉用水; Agricultural water resources; Irrigation water requirement; |
語 文 | 中文(Chinese) |
中文摘要 | 臺灣年平均降雨量約為2,510公厘,就世界之平均降雨標準而言,屬於降雨豐沛地區,但由於降雨分佈不均及地形陡峻之影響,使得水資源利用率極低,其中約有79%的年逕流量流入海中,因此如何有效的利用有限的水資源以提供各標地之用水為一重大之課題。 本文針對以完全依靠河川引灌的新竹水利會,取其一供應各標的的竹東圳導水路為研究對象,此導水路早期之使用標的僅限於農業用水及民生用水,因而由竹東圳引水的寶山水庫在規劃之初,即以民生用水為供水標的之設計,而現隨著社會型態的變遷,在新竹地區都市發展快速:如新竹科學園區、六家高鐵、新竹縣治一、二期遷建、斗崙重劃區等等,由於聚居生活方式的改變,相對也影響供水標的。以主要由寶山水庫供水的新竹科學園區為例,每天近十萬噸的供水量,已嚴重影響到正常農業用水的使用。因此本文之目的為對竹東圳導水路之灌溉區域對其灌區之農業用水作合理之推估,使得灌溉用水量之訂定較為準確且合理,同時建立一套可隨供給量之增減而對應之配水計畫,大致可分為豐水期及枯水時期二個階段,於豐水期中可實施超量灌溉或正常灌溉;於枯水期中則可適時實施採取輪灌措施,以因應不同標的之用水需求。 |
英文摘要 | In recent years, the average rainfall in Taiwan is about 2,510 mm. To compare with the whole world rainfall standard, Taiwan is belonged to abundant rainfall area. However, the rainfall distribution in Taiwan is disproportionate and the landform is high and precipitous, so it causes the utilization of water resources rarely low. It will be nearly 79 percent of runoff flowing into the sea directly. For this reason, how to effectively use water resources to satisfy water requirements of each purpose is a important topic. The main purpose of the study aims at the Hsin-chu irrigation association which entirely rely on run-of-the-river system, and select the Chu-tung canal aqueduct of providing all-purpose water utilization, and it's utilization purpose early stages have only agricultural and the people's livelihood use, so the first plan of Posana reservoir which take water from Chu-tung canal aqueduct is designed only for the people's livelihood supply. Now follow the change of social type; For example the Hsin-chu science industry area、Liu-jia high-speed railway、Hsin-chu county jurisdiction first and second phase move、Dou-lun readjustment area etc.. Due to the life style's change relatively influence the purpose of water supply. For example Hsin-chu science industry area which mainly get water from Posana reservoir which close to one hundred thousand tons of water supply every day have effected seriously normal use of agricultural use. The main idea of this study is to reasonably estimate the agricultural water requirement in the irrigation area of Chu-tung canal aqueduct, to try to make irrigation water requirement more exactly and reasonably, and to set up a distribution project with the various amount of the water supply for the water demand of in any case at the same time. |
本系統中英文摘要資訊取自各篇刊載內容。