【摘要】：作為生態(tài)系統(tǒng)的重要組成部分的地下水，是維持水系統(tǒng)良性循環(huán)的的重要保證。隨著都市化、工業(yè)化的快速發(fā)展，地下水已成為我國(guó)重要的供水水源之一。然而在以地下水作為主要水源的我國(guó)北方城市，可利用的地下水水量衰竭日益嚴(yán)重，這主要是由于地下水的過(guò)度開采和污染造成的。地下水作為我國(guó)長(zhǎng)期利用的淡水資源，由于其自身的特性，必須科學(xué)合理的利用，因此需要在利用之前對(duì)地下水進(jìn)行資源評(píng)價(jià)。 航空港位于新鄭市西北的薛店鎮(zhèn)，以新鄭國(guó)際機(jī)場(chǎng)為核心，帶動(dòng)相關(guān)產(chǎn)業(yè)發(fā)展的科、工、貿(mào)、物流配送協(xié)調(diào)發(fā)展的經(jīng)濟(jì)強(qiáng)區(qū)。隨著航空港區(qū)的迅速發(fā)展，一批大型生產(chǎn)性知名企業(yè)先后落戶，，因此提高工業(yè)、生活用水的供應(yīng)能力已成為發(fā)展的迫切需要。 本文系統(tǒng)分析在研究區(qū)域內(nèi)的地質(zhì)和水文地質(zhì)條件，以確定供水區(qū)范圍內(nèi)中深層地下水的水文地質(zhì)條件，弄明該處地下水的補(bǔ)給、徑流、排泄條件及其動(dòng)態(tài)變化規(guī)律，建立數(shù)學(xué)模型，預(yù)測(cè)在地下水開采期間水位的變化趨勢(shì)，利用二維有限元法、解析法評(píng)價(jià)地下水可允許的開采水量，針對(duì)可否用于生活飲用水對(duì)中深層處地下水進(jìn)行水質(zhì)評(píng)價(jià)，為建立供水水源地開采提供科學(xué)依據(jù)。 使用Visual Modflow軟件模擬研究區(qū)域未來(lái)的地下水降深，預(yù)測(cè)在不同開采條件下的變化，利用數(shù)值法和解析法對(duì)地下水資源量進(jìn)行了評(píng)價(jià)。結(jié)果表明在機(jī)場(chǎng)以北按1.8萬(wàn)m3/d開采，可以滿足開采5年的要求，但不能滿足3.0萬(wàn)m3/d的開采量，而在航空港規(guī)劃區(qū)內(nèi)，開采量為1.5萬(wàn)m3/d，滿足開采20年的要求。
[Abstract]:As an important part of ecosystem, groundwater is an important guarantee to maintain a virtuous cycle of water system. With the rapid development of urbanization and industrialization, groundwater has become one of the important water supply sources in China. However, in the northern cities of China, where groundwater is the main water source, the depletion of available groundwater is becoming more and more serious, which is mainly due to the excessive exploitation and pollution of groundwater. Groundwater as a long-term use of freshwater resources in China, due to its own characteristics, must be used scientifically and reasonably, so it is necessary to evaluate groundwater resources before utilization. The airport is located in Xuedian Town, northwest of Xinzheng City. It takes Xinzheng International Airport as the core and promotes the coordinated development of related industries in the area of economic strength of science, industry, trade and logistics distribution. With the rapid development of aviation port area, a number of large-scale and productive well-known enterprises have been settled one after another. Therefore, improving the supply capacity of industrial and domestic water has become an urgent need for development. In this paper, the geological and hydrogeological conditions in the study area are systematically analyzed in order to determine the hydrogeological conditions of the middle and deep groundwater in the water supply area, and to find out the groundwater recharge, runoff, discharge conditions and their dynamic changing laws. A mathematical model is established to predict the changing trend of water level during groundwater exploitation. The allowable groundwater quantity is evaluated by two-dimensional finite element method and analytical method, and the water quality of middle and deep groundwater is evaluated in view of whether it can be used for drinking water. It provides a scientific basis for the establishment of water supply source area mining. The Visual Modflow software is used to simulate the groundwater depth in the future and predict the change under different mining conditions. The groundwater resources are evaluated by numerical method and analytical method. The results show that to the north of the airport, mining at 18000 m3 / d can meet the requirement of 5 years, but not 30000 m3 / d, whereas in the airport planning area, the production volume is 15000 m ~ 3 / d, while in the airport planning area, the mining capacity is 15000 m ~ 3 / d, which is less than 30000 m ~ 3 / d in the north of the airport. Meet the requirements of 20 years of mining.
【學(xué)位授予單位】：石家莊經(jīng)濟(jì)學(xué)院
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：P641.8

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