本文選題：城市化 + 水系連通功能　； 參考：《鄭州大學(xué)》2014年碩士論文

【摘要】：河湖水系是水資源的載體，是生態(tài)環(huán)境的重要組成部分，是經(jīng)濟(jì)社會發(fā)展的重要支撐。近年來，隨著城市化進(jìn)程的加快，一些次要的、非干流河流不斷被渠系化和人工化，這使得我國河網(wǎng)水系結(jié)構(gòu)單一化和主干化的趨勢越來越明顯，并由此造成了洪水宣泄不暢、生態(tài)環(huán)境惡化等次生環(huán)境問題的頻頻出現(xiàn)。針對嚴(yán)峻的形勢，水利部陳雷部長提出了河湖水系連通的新理念，目前河湖水系連通作為一個(gè)新形勢下的治水方略已經(jīng)受到高度重視，因此開展城市化下河湖水系連通形態(tài)和功能的研究具有重要的意義。 鄭州市地跨黃河、淮河兩大流域，自20世紀(jì)80年代開始了城市化進(jìn)程，為了爭奪有限的土地資源，大量的河道被侵占，使得水面率大幅度的降低。尤其是近幾年來，城市化發(fā)展的加劇使得鄭州市的水系形態(tài)和功能發(fā)生了變化，河網(wǎng)的單一化趨勢最終導(dǎo)致了水系調(diào)蓄功能的下降。因此，研究城市化對河湖水系連通形態(tài)和功能的影響，揭示水系連通形態(tài)和連通功能之間的關(guān)系，對于管理部門開展鄭州市水系網(wǎng)絡(luò)重建和恢復(fù)工作具有重要的意義。 本文通過研究國內(nèi)外關(guān)于水系連通的概念、水系連通功能和形態(tài)表征指標(biāo)等相關(guān)內(nèi)容，分別對以下內(nèi)容進(jìn)行了研究與分析： （1）通過深入分析和研究鄭州市歷史水系演變過程，總結(jié)影響水系變遷的歷史因素，為城市化對鄭州市河流水系的影響研究奠定基礎(chǔ)。 （2）構(gòu)建了一套指標(biāo)體系來定量分析城市化對水系連通形態(tài)格局的影響。結(jié)合景觀生態(tài)學(xué)等學(xué)科構(gòu)建一套指標(biāo)體系，用于評價(jià)區(qū)域的水系連通形態(tài)格局，同時(shí)運(yùn)用ENVI軟件對鄭州市的水系網(wǎng)絡(luò)圖進(jìn)行提取，進(jìn)一步分析城市化對鄭州市水系連通形態(tài)格局的影響。 （3）構(gòu)建了一套指標(biāo)體系來定量分析城市化對水系連通功能的影響。從自然功能和社會功能兩個(gè)方面構(gòu)建了用于評價(jià)水系連通功能的指標(biāo)體系和評價(jià)標(biāo)準(zhǔn)，采用集對分析方法評價(jià)不同時(shí)期鄭州市的水系連通功能狀況。 （4）基于統(tǒng)計(jì)學(xué)方法分析水系連通功能指標(biāo)與水系連通形態(tài)格局指標(biāo)之間的相關(guān)關(guān)系，初步確定基于鄭州市未來水系功能定位的水系連通形態(tài)指標(biāo)閾值。
[Abstract]:River and lake water system is the carrier of water resources, the important component of ecological environment and the important support of economic and social development. In recent years, with the acceleration of urbanization, some secondary, non-mainstream rivers have been continuously converted into canal systems and artificial ones, which makes the trend of river network structure single and main in our country more and more obvious, resulting in the flood drainage is not smooth. Environmental degradation and other secondary environmental problems frequently appear. In view of the severe situation, Minister Chen Lei of the Ministry of Water Resources has put forward a new concept of river and lake water system connectivity. At present, river and lake water system connectivity as a new situation of water control strategy has been attached great importance to. Therefore, it is of great significance to study the connected forms and functions of rivers and lakes under urbanization. Zhengzhou City, the Yellow River and the Huaihe River basin, began the urbanization process in the 1980s. In order to compete for limited land resources, a large number of river channels were occupied, resulting in a large reduction in the water surface rate. Especially in recent years, with the development of urbanization, the form and function of water system in Zhengzhou City have changed, and the trend of river network simplification has resulted in the decline of water system regulation and storage function. Therefore, it is of great significance for the management department to study the influence of urbanization on the connected form and function of river and lake system, and to reveal the relationship between the connected form and the connected function of river system, which is of great significance for the management department to carry out the reconstruction and restoration of water system network in Zhengzhou City. In this paper, the concept of water system connectivity, the function of water system connectivity and the index of morphological characterization are studied. The following contents are studied and analyzed: (1) through in-depth analysis and research on the evolution process of Zhengzhou's historical water system, the historical factors that affect the evolution of water system are summarized. It lays a foundation for the study of the influence of urbanization on the river system in Zhengzhou. (2) A set of index system is constructed to quantitatively analyze the influence of urbanization on the pattern of water system connectivity. In combination with landscape ecology and other disciplines, a set of indicators system is constructed to evaluate the pattern of water system connectivity in the region, and the network map of water system in Zhengzhou is extracted by using ENVI software. The influence of urbanization on the connectivity pattern of water system in Zhengzhou is further analyzed. (3) A set of index system is constructed to quantitatively analyze the influence of urbanization on the connectivity of water system. The index system and evaluation criteria for evaluating the connectivity function of water system are constructed from the two aspects of natural function and social function. Set pair analysis was used to evaluate the water system connectivity in Zhengzhou City in different periods. (4) based on the statistical method, the correlation between the water system connectivity function index and the water system connectivity pattern index was analyzed. The index threshold of water system connectivity based on the function location of future water system in Zhengzhou City was preliminarily determined.
【學(xué)位授予單位】：鄭州大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TV213

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