【摘要】：近年來,由于自然降雨減少,人類活動(dòng)加劇,城市化進(jìn)程加快,經(jīng)濟(jì)社會(huì)發(fā)展迅速,漳河上游流域內(nèi)用水量大增,造成河道來水量銳減,水供需矛盾加劇。 關(guān)河水庫流域錯(cuò)綜復(fù)雜的水網(wǎng)和水流的不確定性,決定了關(guān)河水庫流域的降雨徑流的特點(diǎn)。本文主要針對關(guān)河水庫流域的降雨、蒸發(fā)及徑流的規(guī)律及降雨與徑流之間的關(guān)系進(jìn)行數(shù)據(jù)研究。通過1981-2010年的日降雨量的分析,得出平均每月的降雨量及平均每年的降雨量,并通過曲線直觀的表現(xiàn)出來；通過30年每日的溫度資料分析,得出平均每月、平均每年的的蒸發(fā)量,并進(jìn)行比較；通過水庫提供的30年每月庫容變化等資料分析出平均每月、平均每年的徑流量進(jìn)行比較。然后進(jìn)行降雨與徑流之間的關(guān)系比較并分析結(jié)果。 通過分析得出關(guān)河水庫流域降雨量與徑流量均有下降的趨勢,而蒸發(fā)量卻逐步增加,徑流量的大小不僅僅與降雨量的大小有關(guān),還有蒸發(fā)、水庫的調(diào)節(jié)、植被、下墊面等因素制約。
[Abstract]:In recent years, due to the decrease of natural rainfall, the intensification of human activities, the acceleration of urbanization and the rapid development of economy and society, the water consumption in the upper reaches of Zhanghe River has increased greatly, resulting in a sharp decrease in the incoming water volume and the aggravation of the contradiction between water supply and demand. The intricacies of water network and water flow in Guanhe Reservoir Basin determine the characteristics of rainfall and runoff in Guanhe Reservoir Basin. In this paper, the law of rainfall, evaporation and runoff in Guanhe reservoir basin and the relationship between rainfall and runoff are studied. Through the analysis of daily rainfall from 1981 to 2010, the average monthly rainfall and average annual rainfall are obtained, and the curve is intuitively shown. Through the analysis of daily temperature data for 30 years, the average monthly and average annual evaporation is obtained and compared, and the average monthly and average annual runoff is compared through the 30-year monthly reservoir capacity change and other data provided by the reservoir. Then the relationship between rainfall and runoff is compared and the results are analyzed. Through the analysis, it is concluded that the rainfall and runoff in Guanhe Reservoir Basin have a downward trend, but the evaporation is gradually increasing. The runoff is not only related to the rainfall, but also evaporation, reservoir regulation, vegetation. The underlying surface is restricted by factors such as the underlying surface.
【學(xué)位授予單位】：河北工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：P333

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