Analysis of spatial-temporal pattern and driving factors of land use in Tianchang based on"production-life-ecology"space
This study aims to clarify the spatial and temporal evolution of land use in the"production-life-ecology"and identify the driving factors,so as to provide a scientific basis for territorial spatial planning and land use transformation.Taking Tianchang City as the study area,land use change survey data from 2009 to 2018 were used to measure the land use dynamics and the comprehensive index of land use degree in the study area with the help of land use transfer matrix and gravity shift models,and the driving factors of land use transformation were investigated by grey correlation analysis.The results show as follows:(1)Land uses of"production-life-ecology"has generally shown the characteristics of"one increase,one stability and one decrease",with the spatial area of production increasing by 11.68 km2,the spatial area of living relatively stable,and the spatial area of ecology shrinking by 12.44 km2;(2)The spatial agglomeration of industrial and mining production land and urban living land is the most obvious,with the centre of gravity gradually moving to the southeast;(3)Taking 2014 as the boundary,the comprehensive dynamic attitude of land use in Tianchang is 0.22％in the early stage and 0.13％in the later stage.Among them,the single dynamic attitude of industrial and mining production land and urban living land increased the most significantly,with 2.95％and 5.96％respectively in the early period and 2.73％and 1.73％respectively in the later period.The comprehensive land use degree index increased by 1.13;(4)Factors such as population,total reservoir capacity of completed reservoirs and built-up area had the most significant impact on the land use change of"production-life-ecology"space in Tianchang City.
"production-life-ecology"spaceland use transitionspatial and temporal patternsdriving factors
NETL
NSTL
万方数据
