摘要
随着社会经济发展,识别城市功能区,理解城市功能区的空间分布特征,对城市的科学规划和政府决策具有非常重要的作用.采用一种新型的城市功能区分区模型,利用城市路网划分出不规则格网作为研究单元,根据POI(point of mterest)的建筑面积、公众认知度对POI数据进行重分类和权重赋值.在此基础上使用核密度估计方法,并利用格网分割核密度,进而定量分析,实现城市功能区的划分和识别.最后将研究结果与泉州市地图进行对比,验证实验的准确率.
With the development of social economy,identifying urban functional areas and understanding the spatial distribution characteristics of urban functional areas play a very important role in urban scientific planning and government decision-making.This paper adopts a new type of urban functional area zoning model to construct irregular grid as the research unit based on the road network,and reclassifies the poing of interest(POI)data and assign the weights according to their building area and public awareness of the POI.On the basis of that,kernel density of POI is calculated and then assigned to the irregular grid to make quantitative analysis,based on which,division and identification of urban functional areas is performed.Finally,the research results are compared with the map of Quanzhou to verify the accuracy of this experiment.
作者
毋亭
汤志伟
WU Ting;TANG Zhi-wei(College of Resources and Environmental Science,Fujian Agriculture and Forestry University,Fuzhou 350002,China)
出处
《辽宁大学学报（自然科学版）》
CAS
2021年第1期28-37,共10页
Journal of Liaoning University：Natural Sciences Edition
基金
福建省本科高校教改研究一般项目(111419005)。
关键词
POI
核密度估计
城市功能分区
空间识别
POI
kernel density estimation
urban functional zoning
spatial identification
