| Chongqing is located in the southeastern margin of sichuan basin,with karst topographical features and dense river network,which makes the particularity of rural settlement system obvious.However,for a long time,the research on the construction of rural settlement system in chongqing is lack of pertinence,which makes the existing research on rural planning theory lag behind the research on rural practice.In practice,there is no lack of simple application of the theory of urban planning and design or the method of rural construction in plain areas to deal with rural settlements in chongqing,which often leads to the loss of local settlement characteristics.Therefore,it is of great significance to study the construction of rural settlement system in chongqing.This paper takes Chongqing rural settlement system as the research object,takes the theory of central place and rural geography as the theoretical basis,and USES GIS spatial analysis and variation coefficient in Voronoi to conduct quantitative analysis of spatial characteristics.It is proposed to divide the geographical spatial pattern of Chongqing into three spatial regions and to take the watershed as the main geographical spatial unit of settlement system.The law of horizontal and vertical distribution of rural settlements in Chongqing is preliminarily obtained,that is,the living pattern formed by vertical distribution and horizontal isolation of villages.Under the influence of geology and landform,the horizontal distribution is based on the framework of river basin,the network relationship between the low-altitude valley and the parallel ridge valley is correlated with each other,and the relationship between settlements shows the trend of the parallel ridge valley in the northwest to the Xijiang river valley in the east and the Wuling mountain in the southeast gradually weakening.Its influencing factors are mainly related to landform,farmland,water system,history and culture,which endowed the space of rural settlement system in Chongqing with specific form and charm,and embodied the harmonious human-land relationship.Through the analysis of the status quo of the functional level and scale of the settlement system,it is found that the status quo of the rural settlements in Chongqing is not perfect,and the status quo population size does not match the status quo functional system.According to the restriction factors and dynamic mechanism of rural settlements in Chongqing,this paper puts forward the construction principle of taking the regional research perspective as the method,taking the transformation of industry as the motive force of construction,taking the resource carrying capacity as the basis of construction,and paying attention to the configuration of basic service facilities on the premise of maintaining the characteristics of rural settlements in Chongqing.Use transformation,add intermediate link;The integration model of small concentration and large dispersion with moderate aggregation is more uniform.Three strategies for overall relocation and consolidation.Based on the threshold population of public facilities,the minimum population size of villages and towns in the center of rural settlements in various topographic areas of Chongqing was predicted.Based on the theory of central place,this paper proposes to select the central village by location center index,production center index,transportation center index,service center index and policy center index.Based on the topographical and geomorphic conditions of Chongqing area,six spatial structure patterns are proposed for the rural settlement system in Chongqing,including: the circular layout pattern of center ground,the unbalanced layout pattern of center ground,the point-axis layout pattern,the highly centralized layout pattern,the low-density layout pattern,and the mixed layout pattern.And three partition layout patterns.This paper makes an in-depth study on the construction of rural settlement system in Chongqing under the special regional environment by means of discussion.Instead of talking about design,we only pay attention to the layout of the real space itself,ignoring the generation principle of the real space itself.We recognize the causes of settlement phenomenon from the development of physical geography,and take the construction foundation of rural settlements as the starting point of this paper.The construction of chongqing rural settlement system is complex,so this paper still has many shortcomings,but it still hopes to provide new ideas for how to carry on the organic renewal of chongqing rural settlement system in the new round of construction and reconstruct the relationship between settlements. |
