本文選題：水系形態(tài)結(jié)構(gòu) + 水系連通性　； 參考：《鄭州大學(xué)》2017年碩士論文

【摘要】：隨著當(dāng)代社會(huì)和經(jīng)濟(jì)的迅猛發(fā)展,河湖水系的天然形態(tài)結(jié)構(gòu)特征和連通性在越來越多的人類活動(dòng)干擾下,逐步發(fā)生變化。加上越來越嚴(yán)峻的水資源形勢,河湖水系連通作為新形勢下一項(xiàng)關(guān)系到水資源分配格局、洪澇災(zāi)害風(fēng)險(xiǎn)、水生態(tài)環(huán)境的戰(zhàn)略方針,是今后水資源治理和管理工作的重點(diǎn)。而淮河流域分布有天然、人工復(fù)雜交織的水系格局,歷史上洪澇災(zāi)害不斷發(fā)生、近年來水污染事態(tài)又頻頻嚴(yán)重,且全流域閘壩工程數(shù)量眾多,這些對淮河流域的水系形成、形態(tài)結(jié)構(gòu)演變過程、連通格局均會(huì)產(chǎn)生影響。本文以淮河流域作為研究區(qū),開展人類活動(dòng)干擾下的水系演變和河網(wǎng)連通性相關(guān)研究工作,具有一定的典型性,可為有關(guān)部門開展淮河流域水系建設(shè)工作提供理論支撐,為摸清自然規(guī)律和人類活動(dòng)對水系形態(tài)結(jié)構(gòu)和連通性的影響提供技術(shù)支持。主要研究內(nèi)容如下:(1)通過相關(guān)文獻(xiàn)的查閱和總結(jié),分析得出影響淮河流域水系演變的主要因素,為接下來的研究工作奠定基礎(chǔ)。(2)利用ArcGIS軟件從DEM數(shù)據(jù)中提取淮河流域水系,并與實(shí)際水系圖進(jìn)行疊加、修正;基于分形理論,且充分考慮到人工水系的建設(shè)情況,對淮河流域13個(gè)水資源分區(qū)天然水系和人工水系的分形盒維數(shù)進(jìn)行計(jì)算、分析;通過與景觀生態(tài)學(xué)中表征水系形態(tài)結(jié)構(gòu)的指標(biāo)的相關(guān)性分析,對選取盒維數(shù)表征水系形態(tài)結(jié)構(gòu)的合理性進(jìn)行驗(yàn)證。(3)基于圖論的相關(guān)知識(shí),且充分考慮到流域閘壩工程的建設(shè)和調(diào)度情況,對淮河流域各水資源分區(qū)有無閘壩工程影響的水系連通度分別進(jìn)行計(jì)算、分析;通過與景觀生態(tài)學(xué)中表征水系連通性的指標(biāo)的相關(guān)性分析,對選取基于圖論的水系連通度表征水系連通程度的合理性進(jìn)行驗(yàn)證。(4)運(yùn)用SPSS軟件,對基于分形理論的水系盒維數(shù)指標(biāo)和基于圖論的水系連通度指標(biāo)間的內(nèi)在聯(lián)系進(jìn)行初步相關(guān)性分析和總結(jié)。
[Abstract]:With the rapid development of modern society and economy, the natural morphological structure and connectivity of rivers and lakes have changed gradually under the interference of more and more human activities. In addition to the more and more severe water resources situation, as a new situation, the connection of rivers, lakes and rivers is the key to water resources management and management, which is related to the distribution pattern of water resources, the risk of flood disaster and the ecological environment of water resources. In the Huaihe River Basin, there is a natural, artificial and complicated water system pattern. The flood and waterlogging disasters have occurred continuously in history. In recent years, the situation of water pollution is frequently serious, and there are a large number of floodgate and dam projects in the whole basin, which have formed the water system of the Huaihe River Basin. The evolution of morphology and structure and the structure of connectivity will have an impact. In this paper, the Huaihe River Basin is taken as the study area, and the research work on the evolution of the river system and the connectivity of the river network under the disturbance of human activities is carried out, which is typical and can provide theoretical support for the relevant departments to carry out the construction of the river system in the Huaihe River Basin. It provides technical support for understanding the influence of natural laws and human activities on the structure and connectivity of water system. The main research contents are as follows: (1) by consulting and summarizing the relevant documents, the main factors affecting the evolution of the Huaihe River basin water system are obtained, which will lay the foundation for the following research work.) using ArcGIS software to extract the Huaihe river basin water system from the DEM data, Based on fractal theory and taking into account the construction of artificial water system, the fractal box dimension of natural and artificial water systems in 13 water resources zonation of Huaihe River basin is calculated and analyzed. Through the correlation analysis with the indicators of water system morphology in landscape ecology, the rationality of selecting box dimension to characterize the water system morphological structure is verified. The relevant knowledge based on graph theory is verified. Considering the construction and regulation of sluice dam project in Huaihe River basin, the connectivity of water system affected by sluice dam project in every water resources district of Huaihe River basin is calculated and analyzed respectively. Through the correlation analysis with the indicators of water system connectivity in landscape ecology, this paper verifies the rationality of selecting water system connectivity based on graph theory to represent the connectivity of water system. The software SPSS is used to verify the rationality of selecting the connectivity degree of water system based on graph theory. The relationship between the box dimension index of water system based on fractal theory and the connectivity index of water system based on graph theory is analyzed and summarized.
【學(xué)位授予單位】：鄭州大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TV213.4

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