Evolution of Urban Vitality Pattern of Resource Exhausted Cities Based on Night Light Data
Taking Beipiao City,a resource-exhausted city in Liaoning Province,as the research object,the basic research units were divided according to the village scale.By analyzing the changes in nighttime lighting from 1995 to 2019,the evolution characteristics of overall vitality pattern of Beipiao City were summarized.According to the lighting changes,each unit within the city of Beipiao is divided into six categories which are continuous descent unit,forward descent unit,reverse descent unit,interval descent unit,continuous growth unit,and relatively stable unit.Based on above six categories,the decline in vitality accounts for the majority,which is consistent with the overall trend of significant population and economic contraction in cities.From the evolution of nighttime lighting,it can be seen that changes in resource-based economy are still the dominant factor affecting the development of Beipiao city.At the same time,the evolution of nighttime lighting also reflects the complex process of Beipiao City's continuous search for sustainable industries and revitalization in the resource-exhausted process.
urban vitalitynight lightshrinkage citiesresource exhausted scaleBeipiao City
NETL
NSTL
万方数据
