| City Industrial Land in urban and rural areas "Sansheng" control is an important component of the bearing is the main driving force of economic development in the process of industrialization in the second industry,Chinese high-speed economic development,because of regional,city scale,industrial structure difference,the city's industrial land proportion exists the difference.China's current "city land classification and land use planning and construction standards" in the industrial land allocation index adopted "should be in accordance with 15%?30%" single proportional control,the actual implementation of local conditions corresponding to diverse mainlyqualitative analysis,in order to solve the problem of existence insufficiency,subjective bias etc.This study seeks to collect data on the basis of the system,identify the main influencing factors,put forward detailed control model for scientific guidance industrial land use,provide general technical support for the city planning,city planning for the government to provide policy basis for approval.The core part of this paper can be divided into five areas:the city of industry of our country,study characteristics of land accounted for the city industrial land in China accounted for the trend analysis,city industrial land in China accounted for the classification of the influencing factors,city industrial land in China accounted for a range of research and classification our country city industrial land accounted for more than the standard optimization.The characteristics of the link:China's current city industrial land accounted for the actual state of the distribution center and the span of agglomeration are relatively standard interval range of significant deviation;city industrial land in China accounted for showing a certain difference in the geographical space,showing the East,northeast,central and western regions by high gradient changes in the characteristics of the industrial land;proportion distribution of high city and China's industrial spatial distribution structure of a high degree of agreement.The link trends judged:2006-2015 years,trend of industry of our country city land proportion is steady edged down,a decrease of about 3%;different types of the city accounted for different decline,the northeast region appeared basically stable state,the central region declined significantly,the small city declined more than large and medium-sized city;excluding the differences between Chinese and western city morphology and land use statistics,international comparison of developed countries and regions accounted for China's industrial land(below 10%)is high,there is a certain rationality;according to changes of international stage GDP proportion,city industrial land in China accounted for more than ten years in the future will show a steady trend micro drop.Study on the influence factors from three dimensions of different regional differences,and differences in the city city city industry chooses 13 influencing factors,and using grey correlation and Gauss distribution factor selection,regional status,economic area and population size is the city industrial land accounted for more than three core factor classification,and the strength of the Association in order to reduce.The range of research links with Gauss distribution function model and iterative algorithm,the city industrial land accounted for more than 85.3%high concentration distribution range,and combined with the proportion of real state distribution,optimization interval,eventually forming a 22 District 3 city industrial land accounted for a high concentration range.Standard optimization part of China's ten years of industrial land accounted for the dynamic development trend based on the law,considering the impact on industrial transformation of industrial land accounted for the reference of the international industrial land proportion control experience,and ultimately determine the 15 class city industrial land proportion control. |
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