Evaluation method and system of relative coordination degree between urban construction land expansion and population growth

Abstract

The invention provides a method and system for evaluating the relative coordination degree of urban construction land expansion and population growth, including acquiring basic data, preprocessing, and extracting urban construction land through a unified coordinate system of ArcGIS; obtaining a city's standard per capita construction land value; The absolute coordination degree is obtained by the ratio of the rate of construction land and population growth; the ideal construction land growth rate is calculated, and the ideal relationship between construction land and population growth is quantitatively analyzed to obtain the ideal coordination degree; the distance between the absolute coordination degree and the ideal coordination degree is used as the relative degree Coordination degree; use the quantile grading method to classify the results of the relative coordination degree value; determine the coordination type according to the positive and negative values ​​of the relative coordination degree value, synthesize the results of the coordination degree and coordination type, and characterize the coordination relationship between construction land and population. The invention adds the comprehensive consideration of ideal coordination degree and absolute coordination degree on the basis of the existing coordination degree, and provides more details of temporal and spatial evolution for evaluating whether the construction land and the population are coordinated.

Description

technical field [0001] The invention belongs to the technical field of evaluation and analysis of the coordination degree of land use and population, and particularly relates to a method and system for evaluating the relative coordination degree of urban construction land expansion and population growth. Background technique [0002] At present, China's urbanization is in the transition and adjustment period to high-quality development. Under the background of the country's advocacy of promoting economical and intensive land use and rationally guiding population distribution, explore the temporal and spatial variation laws of urban agglomeration construction land growth and population growth, and quantify urban agglomeration construction land. Coordinating the relationship with the population and promoting the coordinated development of regional construction land investment have become an important issue at present. The expansion of construction land and population growth ar...

AI Technical Summary

Problems solved by technology

[0005] This ideal state only considers the absolute coordination relationship between the growth rates of the two in the process of urban development, and lacks consideration of whether the initial construction land and the total population match.

However, the initial state and process state of the two affect the coordination result together, and ignoring the initial state may cause the coordination result to be inconsistent with the actual situation

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