基于空間場強的成都市經(jīng)濟發(fā)展差異評價
發(fā)布時間：2018-11-08 12:16
【摘要】：隨著“十三五”規(guī)劃綱要“新型城鎮(zhèn)化”的提出,城鄉(xiāng)一體化的發(fā)展要求應運而生,這對城鎮(zhèn)空間結構布局提出了新的要求。以中心城區(qū)作為核心,充分利用其資源極化和輻射擴散作用;以次級城鎮(zhèn)為經(jīng)濟腹地,充分發(fā)揮其承上啟下的紐帶作用;以周邊鄉(xiāng)鎮(zhèn)作為節(jié)點,充分挖掘其服務功能和經(jīng)濟潛力。目前,我國城市化速度加快,出現(xiàn)了一系列問題,比如城市經(jīng)濟極化現(xiàn)象突出、邊遠城鎮(zhèn)經(jīng)濟滯后、城市規(guī)模擴張無序化等等,這些突出矛盾進一步阻礙了區(qū)域經(jīng)濟的協(xié)調(diào)發(fā)展。為解決這一系列突出問題與矛盾,本文從一個新的研究角度——空間場強出發(fā),研究了新型城鎮(zhèn)化背景下的城鎮(zhèn)空間結構關系、經(jīng)濟發(fā)展差異以及城鄉(xiāng)協(xié)調(diào)可持續(xù)發(fā)展的建議,將地理信息科學運用于實際,為城市經(jīng)濟發(fā)展、城鎮(zhèn)空間布局提供了一個全新的角度,具有一定研究意義和理論價值。本文以四川省成都市作為研究區(qū),結合了Arc GIS的空間分析技術、空間場強理論和分形理論,以城鎮(zhèn)空間場強模型分析評價了成都市的區(qū)域經(jīng)濟發(fā)展差異。在分析了成都市城鎮(zhèn)結節(jié)性指數(shù)以及可達性后,探討了中心城區(qū)作為核心對周邊區(qū)縣的輻射強度,以及周邊區(qū)縣對鄉(xiāng)鎮(zhèn)的紐帶傳承作用,刻畫了每個城鎮(zhèn)受到周邊綜合影響的勢能大小。通過上述研究得出以下結論:(1)對成都市的城鎮(zhèn)空間結構進行研究,運用空間統(tǒng)計學理論,以及分形理論,可以對城鎮(zhèn)的空間關聯(lián)結構以及城鎮(zhèn)規(guī)模布局進行刻畫。在ArcGIS中運用最鄰近指數(shù)模塊分析了成都市的空間集聚模式,集聚程度大體呈現(xiàn)出隨著中心城區(qū)向外圈城鎮(zhèn)減弱的趨勢,其中,中心城區(qū)的集聚程度最高,金堂縣的集聚程度最低。這個遞變趨勢和成都市產(chǎn)業(yè)結構的變化趨勢呈現(xiàn)出一致性,從第三產(chǎn)業(yè)為主到第一產(chǎn)業(yè)為主,城鎮(zhèn)化水平在降低而農(nóng)業(yè)化水平在上升。(2)根據(jù)結節(jié)性指數(shù)和可達性兩部分構建空間場強模型,將層次分析法和GIS空間分析法結合計算了區(qū)域經(jīng)濟發(fā)展的強度以及對周邊區(qū)縣的影響大小,根據(jù)區(qū)域經(jīng)濟發(fā)展的空間分布差異,結合區(qū)縣的實際情況給出區(qū)縣經(jīng)濟結構調(diào)整的意見,提出空間布局優(yōu)化的方案。綜上,將成都市的空間結構刻畫為:以中心城區(qū)為核心;以二圈城、三圈城的區(qū)縣駐地為腹地;以周邊鄉(xiāng)鎮(zhèn)為服務對象;以交通網(wǎng)絡為聯(lián)系通道,從而形成“中心城市-次級城鎮(zhèn)-外圈城鎮(zhèn)”的三級城市系統(tǒng)。運用ArcGIS的空間分析技術、SPSS的數(shù)據(jù)統(tǒng)計分析、層次分析法以及分形理論,將其結合對把握城市空間脈絡、理解城市空間關系有很大幫助。以成都市為案例,對四川省的其他城市有一定的參考意義,能夠幫助其城市規(guī)劃建設更加合理、城市空間布局更加優(yōu)化,為新型城鎮(zhèn)化的建設提供了一定科學理論依據(jù)。
[Abstract]:With the proposal of "New urbanization" in the "Thirteenth Five-Year Plan", the development requirement of urban-rural integration arises at the historic moment, which puts forward new requirements for the layout of urban spatial structure. Take the central urban area as the core, make full use of its resources polarization and radiation diffusion, take the secondary town as the economic hinterland, give full play to the link between the past and the next. Take the surrounding villages and towns as the node, fully excavate its service function and economic potential. At present, the speed of urbanization in China is accelerating, and a series of problems have emerged, such as the phenomenon of urban economic polarization is prominent, the economy of remote towns is lagging behind, the expansion of urban scale is disorderly, and so on. These outstanding contradictions further hindered the coordinated development of regional economy. In order to solve this series of outstanding problems and contradictions, this paper studies the relationship of urban spatial structure, the difference of economic development and the suggestion of coordinated and sustainable development of urban and rural areas under the background of new urbanization from a new perspective of spatial field strength. The application of geographic information science to practice provides a new angle for the development of urban economy and the layout of urban space, which has certain research significance and theoretical value. Taking Chengdu, Sichuan Province as the research area, combining the spatial analysis technology of Arc GIS, the theory of spatial field strength and fractal theory, this paper analyzes and evaluates the difference of regional economic development in Chengdu with the model of urban spatial field strength. After analyzing the urban nodule index and accessibility in Chengdu, the paper discusses the radiation intensity of the central city as the core to the surrounding counties, as well as the role of the peripheral counties in the transmission of the ties between the surrounding counties and the villages and towns. The potential energy of each town affected by the comprehensive influence of the surrounding area is described. The conclusions are as follows: (1) the spatial structure of the cities and towns in Chengdu can be described by using the theory of spatial statistics and fractal theory. The spatial agglomeration model of Chengdu is analyzed by using the nearest neighbor index module in ArcGIS. The degree of agglomeration shows the trend of weakening from the central city to the outer city, among which, the central city has the highest degree of agglomeration. Jintang County has the lowest degree of agglomeration. This progressive trend is consistent with the changing trend of the industrial structure in Chengdu, from the tertiary industry to the primary industry. The level of urbanization is decreasing and the level of agritization is rising. (2) based on the nodule index and accessibility, the spatial field strength model is constructed. The paper combines AHP and GIS spatial analysis method to calculate the intensity of regional economic development and its influence on surrounding counties, according to the spatial distribution difference of regional economic development. According to the actual situation of district and county, the paper puts forward the suggestion of adjusting the economic structure of district and county, and puts forward the scheme of optimizing spatial layout. In summary, the spatial structure of Chengdu is characterized as follows: taking the central urban area as the core, taking the district and county residence as the hinterland, taking the surrounding villages and towns as the service objects; The third level urban system of "central city-secondary town-outer circle town" is formed by taking traffic network as the connection channel. Using the spatial analysis technology of ArcGIS, the statistical analysis of data of SPSS, the analytic hierarchy process and the fractal theory, it is of great help to grasp the context of urban space and understand the relationship between urban space. Taking Chengdu as a case, it has certain reference significance to other cities in Sichuan province, which can help its urban planning and construction to be more reasonable and its spatial layout more optimized, thus providing a certain scientific theoretical basis for the construction of new urbanization.
【學位授予單位】：成都理工大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：F299.27
本文編號：2318482
[Abstract]:With the proposal of "New urbanization" in the "Thirteenth Five-Year Plan", the development requirement of urban-rural integration arises at the historic moment, which puts forward new requirements for the layout of urban spatial structure. Take the central urban area as the core, make full use of its resources polarization and radiation diffusion, take the secondary town as the economic hinterland, give full play to the link between the past and the next. Take the surrounding villages and towns as the node, fully excavate its service function and economic potential. At present, the speed of urbanization in China is accelerating, and a series of problems have emerged, such as the phenomenon of urban economic polarization is prominent, the economy of remote towns is lagging behind, the expansion of urban scale is disorderly, and so on. These outstanding contradictions further hindered the coordinated development of regional economy. In order to solve this series of outstanding problems and contradictions, this paper studies the relationship of urban spatial structure, the difference of economic development and the suggestion of coordinated and sustainable development of urban and rural areas under the background of new urbanization from a new perspective of spatial field strength. The application of geographic information science to practice provides a new angle for the development of urban economy and the layout of urban space, which has certain research significance and theoretical value. Taking Chengdu, Sichuan Province as the research area, combining the spatial analysis technology of Arc GIS, the theory of spatial field strength and fractal theory, this paper analyzes and evaluates the difference of regional economic development in Chengdu with the model of urban spatial field strength. After analyzing the urban nodule index and accessibility in Chengdu, the paper discusses the radiation intensity of the central city as the core to the surrounding counties, as well as the role of the peripheral counties in the transmission of the ties between the surrounding counties and the villages and towns. The potential energy of each town affected by the comprehensive influence of the surrounding area is described. The conclusions are as follows: (1) the spatial structure of the cities and towns in Chengdu can be described by using the theory of spatial statistics and fractal theory. The spatial agglomeration model of Chengdu is analyzed by using the nearest neighbor index module in ArcGIS. The degree of agglomeration shows the trend of weakening from the central city to the outer city, among which, the central city has the highest degree of agglomeration. Jintang County has the lowest degree of agglomeration. This progressive trend is consistent with the changing trend of the industrial structure in Chengdu, from the tertiary industry to the primary industry. The level of urbanization is decreasing and the level of agritization is rising. (2) based on the nodule index and accessibility, the spatial field strength model is constructed. The paper combines AHP and GIS spatial analysis method to calculate the intensity of regional economic development and its influence on surrounding counties, according to the spatial distribution difference of regional economic development. According to the actual situation of district and county, the paper puts forward the suggestion of adjusting the economic structure of district and county, and puts forward the scheme of optimizing spatial layout. In summary, the spatial structure of Chengdu is characterized as follows: taking the central urban area as the core, taking the district and county residence as the hinterland, taking the surrounding villages and towns as the service objects; The third level urban system of "central city-secondary town-outer circle town" is formed by taking traffic network as the connection channel. Using the spatial analysis technology of ArcGIS, the statistical analysis of data of SPSS, the analytic hierarchy process and the fractal theory, it is of great help to grasp the context of urban space and understand the relationship between urban space. Taking Chengdu as a case, it has certain reference significance to other cities in Sichuan province, which can help its urban planning and construction to be more reasonable and its spatial layout more optimized, thus providing a certain scientific theoretical basis for the construction of new urbanization.
【學位授予單位】：成都理工大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：F299.27
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