桃園地區人工埤池對水資源輔助之分析研究

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題名:	桃園地區人工埤池對水資源輔助之分析研究
作者:	洪佳瑩;Jia-Ying Hong
貢獻者:	水文所
關鍵詞:	人工埤池;man-made ponds
日期:	2006-07-07
上傳時間:	2009-09-22 09:51:46 (UTC+8)
出版者:	國立中央大學圖書館
摘要:	水資源一直以來都是人類不可或缺的資源，過去幾十年來由於工商業發展迅速、人口的成長、人民生活水準提升，故對水資源之需求大幅提高，而水資源之供應充足與否及水資源之利用是否有效率，均將對未來經濟發展產生重大之影響。近年來石門水庫缺水，包括民國91年至93年旱災，民國93年、94年颱風帶來豪大雨造成石門水庫上游集水區入流量夾帶泥沙量過高，嚴重影響民生用水，本研究針對桃園大圳二支線進行探討，透過調查評估與模式模擬分析，探討人工埤池可否提供滯洪空間來協助人們對水資源管理的可行性。分析結果顯示，透過調查評估桃園大圳二支線總集水區面積約5,268.6萬平方公尺，求出所對應可滯洪量之降雨重現期為5.27年。在排洪功能方面，無法承受較大頻率之暴雨，但針對特定埤池，若定位在區域滯洪池的功能上，應可發揮相當之成效。若將埤池做為緊急備用水源之可行性部分，將桃園大圳一支線1-4號池、二支線2-1號池及2-5號池等3口埤池加高浚深後，可使3口埤池供水能力每3日供水大湳淨水場90萬CMD處理量。 Water resources are indispensable resources to mankind. Owing to the development of economics and growth of populations in recent years, the management of water resources is getting difficult to fulfill the future requirement and may have great impact to the society. The storage capacity of the Shihmen Reservoir was found to be decreased in recent years. The droughts of 2002 and 2003 and high sediment concentrations of reservoir inflows in 2004 and 2005 caused a severe shortage of water supply and greatly affected the regional agricultural, industrial, and economic productivities. Through filed investigations and model simulations, this study will focus on the sub-channel 2 of the Taoyuan Canal to evaluate the possibility of managing man-made ponds to assist regional water resources management. The results show that the watershed of sub-channel 2 of the Taoyuan Canal is 52.686 million square meters and is capable to retain a flood of return period 5.27 years. By using man-made ponds as emergency backup of water storage to assist the DaNan water treatment plant, it can provide al least three days of supplies in an amount of 9×105 CMD after digging deeper or raising the banks to a depth of 5 meters for most nearby three ponds, including ponds 1-4#, 2-1#, and 2-5# of Taoyuan Canal.
顯示於類別:	[水文與海洋科學研究所] 博碩士論文

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