發(fā)布時間：2018-06-21 05:00

  本文選題：農灌區(qū) + 強開放邊界��； 參考：《黑龍江大學》2015年碩士論文

【摘要】：地下水監(jiān)測是一種同時具備基礎性和公益性的工作,通過監(jiān)測地下水水位與水質等水情要素,可以反映地下水的動態(tài)變化。隨著社會的飛速發(fā)展,對地下水開采的依賴性也逐漸加強,為了社會的可持續(xù)發(fā)展,應合理的開采與利用地下水。以肇州縣為例,通過對肇州縣的多次實地探勘基本掌握了當地的水文地質情況,結合肇州縣水務局所提供的原始資料,對肇州縣的含水層進行了論述與分析;另外,根據監(jiān)測井網的分布對肇州縣的監(jiān)測井網進行了論述與分析;最后根據測得地下水埋深、井口坐標、井口高程等一些數據和原始積累的資料,分別從單井年內動態(tài)、單井多年動態(tài)、井網年內動態(tài)以及井網多年動態(tài)等角度,對肇州縣地下水水位與流網進行了動態(tài)分析。從分析結果可以看出,因肇州縣含水層具有較強的物質交換與能量循環(huán)的特征,將其定義為強開放邊界含水層,并在地理面貌、地殼活動、剝蝕作用、分異強度等作用下,致使肇州縣的地下水大致呈現出由東到西,第四系底層和第三系底層由深變淺,巖性由單一變?yōu)閺碗s,含水層由薄變厚,地下水由少增多,地下水埋深由深變淺等,有規(guī)律變化;監(jiān)測井網是地下水監(jiān)測的基礎性設施,因其監(jiān)測級別為區(qū)域級,均用民用井與生產井代替;肇州縣的地下水位年季之間呈現周期性變化,且周期略具有延遲性,呈現單峰單谷形態(tài),地下水動態(tài)類型屬于入滲—蒸發(fā)型;從地下水水位的年內空間動態(tài)和多年空間動態(tài)變化可以得出地下水開采量包括生產、生活、灌溉等用水逐年增加是肇州縣地下水位逐漸降低的主要因素并且從多年監(jiān)測結果可以看出隨著經濟發(fā)展的加快肇州縣的地下水水位在逐年下降,應采取有效措施防止這種情況繼續(xù)惡化。
[Abstract]:Groundwater monitoring is a kind of basic and public welfare work. Monitoring groundwater level and water quality can reflect the dynamic change of groundwater. With the rapid development of society, the dependence on groundwater exploitation is gradually strengthened. For the sustainable development of society, groundwater should be exploited and utilized reasonably. Taking Zhaozhou County as an example, the author basically grasps the local hydrogeological situation through several field surveys in Zhaozhou County, and discusses and analyzes the aquifer in Zhaozhou County in combination with the original data provided by the Zhaozhou County Water Bureau. According to the distribution of monitoring well pattern, the monitoring well pattern in Zhaozhou county is discussed and analyzed. In this paper, the groundwater level and drift-pattern of Zhaozhou County are analyzed in terms of the multi-year performance of single well, the dynamic of well pattern and the multi-year performance of well pattern. From the analysis results, it can be seen that the Zhaozhou aquifer has strong characteristics of material exchange and energy cycle, which is defined as a strong open boundary aquifer, and under the action of geography, crustal activity, denudation, differentiation and so on. As a result, the groundwater in Zhaozhou County generally appears from east to west, the bottom of Quaternary and Tertiary from deep to shallow, lithology from single to complex, aquifer from thin to thick, groundwater from less increase, groundwater depth from deep to shallow, etc. The monitoring well pattern is the basic facility for groundwater monitoring, because of its regional level, it is replaced by civil wells and production wells. The groundwater level in Zhaozhou County varies periodically between seasons and years, and the period is slightly delayed. The groundwater dynamic type belongs to infiltration and evaporation type, and the groundwater exploitation amount includes production and life from the spatial dynamics of groundwater level within a year and from the spatial dynamic change in many years. The increase of irrigation and other water use is the main factor for the gradual decrease of groundwater level in Zhaozhou County, and it can be seen from the monitoring results for many years that the groundwater level of Zhaozhou County is decreasing year by year with the acceleration of economic development. Effective measures should be taken to prevent further deterioration of the situation.
【學位授予單位】：黑龍江大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：P641.74

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