發(fā)布時(shí)間：2018-12-07 19:28

【摘要】：改革開放以后,伴隨經(jīng)濟(jì)飛速發(fā)展,我國(guó)城市空間不斷擴(kuò)張。過度重視經(jīng)濟(jì)效益導(dǎo)致城市出現(xiàn)空間蔓延、土地低效利用以及生態(tài)環(huán)境破壞等一系列問題。城市空間擴(kuò)展邊界作為應(yīng)對(duì)上述問題的有效手段應(yīng)運(yùn)而生,國(guó)內(nèi)對(duì)城市空間擴(kuò)展邊界的研究相對(duì)西方發(fā)達(dá)國(guó)家較晚,在理論基礎(chǔ)和劃定方法方面均處于探索研究階段。因此,如何結(jié)合中國(guó)國(guó)情從不同視角出發(fā)劃定合理可行的城市擴(kuò)展邊界,使其為未來城市空間發(fā)展提供科學(xué)依據(jù),成為地理學(xué)等眾多學(xué)科目前亟待解決的重要問題。本文以我國(guó)發(fā)達(dá)地區(qū)無錫市為例,從論文選題背景出發(fā),首先梳理研究區(qū)的社會(huì)經(jīng)濟(jì)發(fā)展和土地利用概況,并結(jié)合遙感和GIS技術(shù)分析近30年來無錫城市空間擴(kuò)展的過程規(guī)律、驅(qū)動(dòng)因素和存在的主要問題,預(yù)測(cè)規(guī)劃期內(nèi)城市空間擴(kuò)展的規(guī)模和最大可能范圍;然后從生態(tài)環(huán)境、耕地嚴(yán)格保護(hù)的角度劃定城市開發(fā)的邊界,作為城市空間擴(kuò)展的約束邊界;最后對(duì)比上述邊界范圍與無錫城市規(guī)劃確定的城市空間范圍,分析其土地開發(fā)布局和擴(kuò)展方向上的差異及原因,從而為未來城市空間擴(kuò)展和規(guī)劃調(diào)整提供優(yōu)化建議。通過研究,本文的主要結(jié)論如下:(1)通過對(duì)無錫城市空間擴(kuò)展分析,無錫城市擴(kuò)展經(jīng)歷了周期性變化,在擴(kuò)展方向和強(qiáng)度上存在各向異性,空間形態(tài)從最初的星楔狀擴(kuò)展轉(zhuǎn)變?yōu)楹笃诘慕M團(tuán)式擴(kuò)張。影響城市空間擴(kuò)展的因素主要包括無錫經(jīng)濟(jì)發(fā)展、生態(tài)環(huán)境保護(hù)以及政府的決策;(2)考慮到城市空間的動(dòng)態(tài)性和未來的可持續(xù)擴(kuò)展,論文在邊界劃定時(shí)既從“生長(zhǎng)”的角度出發(fā)預(yù)測(cè)了規(guī)劃期內(nèi)無錫市發(fā)展的最大規(guī)模和范圍,又從保護(hù)優(yōu)先的生態(tài)適宜性評(píng)價(jià)出發(fā)劃定了城市開發(fā)的規(guī)模下限和范圍,并與現(xiàn)有城市規(guī)劃的城市邊界相比較,發(fā)現(xiàn)基于不同視角劃定的邊界在總規(guī)模和擴(kuò)展方向上都存在一定差異。(3)基于城市擴(kuò)展過程確定的城市規(guī)模和范圍,側(cè)重于在規(guī)劃期內(nèi)開發(fā)更大規(guī)模的土地來滿足城市人口和經(jīng)濟(jì)增長(zhǎng)的空間需求;而基于城市生態(tài)適宜性評(píng)價(jià)的邊界更多的是從土地生態(tài)適宜性程度和耕地保護(hù)出發(fā)劃定城市規(guī)模和范圍。由于生態(tài)保護(hù)是長(zhǎng)期性任務(wù),沒有規(guī)劃上的期限,由此造成邊界范圍和用地布局的存在時(shí)間尺度上差異。(4)不同視角確定的城市邊界各有目的和特點(diǎn),本文結(jié)合各方法優(yōu)勢(shì),綜合考慮經(jīng)濟(jì)社會(huì)、生態(tài)環(huán)境、土地需求規(guī)模等要素,以期為未來城市空間可持續(xù)發(fā)展和城市規(guī)劃提供服務(wù),并為其他快速發(fā)展城市的空間邊界劃定提供參考。
[Abstract]:After reform and opening up, with the rapid development of economy, the urban space of our country expands constantly. Paying too much attention to economic benefits leads to a series of problems, such as the spread of urban space, the inefficient use of land and the destruction of ecological environment. As an effective means to deal with the above problems, urban spatial expansion boundary has come into being. The study of urban spatial expansion boundary in China is relatively late than that in western developed countries, and it is still in the stage of exploration and research in the theoretical basis and the method of delineation. Therefore, how to draw a reasonable and feasible urban expansion boundary from different angles of view combined with China's national conditions, so as to provide scientific basis for the future urban spatial development, has become an important problem to be solved urgently in geography and many other disciplines. This paper takes Wuxi City as an example, starting from the background of this paper, firstly combing the general situation of social and economic development and land use in the research area, and combining remote sensing and GIS technology, analyzing the process of urban space expansion in Wuxi in the past 30 years. Driving factors and main problems, predicting the scale and the maximum possible range of urban space expansion during the planning period; Then the boundary of urban development is delimited from the angle of ecological environment and strict protection of cultivated land as the constraint boundary of urban spatial expansion. Finally, by comparing the above boundary range with the urban space range determined by Wuxi urban planning, the differences and reasons of the land development layout and expansion direction are analyzed, and the optimization suggestions for the future urban spatial expansion and planning adjustment are provided. The main conclusions of this paper are as follows: (1) through the analysis of urban spatial expansion in Wuxi, Wuxi urban expansion has undergone periodic changes, and anisotropy exists in the direction and intensity of urban expansion. The spatial form changed from the initial wedge-shaped expansion to the later group expansion. The factors influencing urban spatial expansion mainly include economic development, ecological environment protection and government decision-making in Wuxi. (2) considering the dynamic nature of urban space and the sustainable expansion in the future, the paper predicts the largest scale and scope of Wuxi city development in the planning period when the boundary is delimited from the perspective of "growth". Proceeding also from the ecological suitability assessment of priority conservation, the lower limit and scope of urban development are delineated and compared with the urban boundaries of existing urban planning, It is found that there are some differences in the total scale and expansion direction of the boundary delineated from different perspectives. (3) based on the urban expansion process, the size and scope of the city are determined. Focus on the development of larger land during the planning period to meet the spatial needs of urban population and economic growth; And the boundary based on urban ecological suitability evaluation is to delimit the scale and scope of the city from the degree of land ecological suitability and the protection of cultivated land. Because ecological protection is a long-term task and there is no time limit for planning, the boundary range and land layout are different in time scale. (4) the urban boundary determined from different perspectives has its own purpose and characteristics. Combined with the advantages of various methods, this paper comprehensively considers the factors such as economy and society, ecological environment, scale of land demand and so on, in order to provide services for the sustainable development of urban space and urban planning in the future. It also provides reference for the space boundary demarcation of other rapidly developing cities.
【學(xué)位授予單位】：南京師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：C912.81

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本文編號(hào)：2367719