摘要
以贵州省铜仁市为研究对象,采用遥感技术和地理信息系统(GIS)空间分析方法,结合土地变化趋势分析以及核密度分析等可视化分析手段,对贵州省铜仁市2021—2022年的国土变更进行全面监测和定量分析。通过分析得出,随着铜仁市城市化进程的加快,2021—2022年全市发生变化的区域面积达167.862 km^(2),其中,新增建设用地变化达80.348 km^(2),占总变化的47.87%,整体呈现扩增趋势;耕地变化达66.283 km^(2),占总变化的39.49%,整体呈现流失趋势。同时表明,铜仁市变更主要集中在城市扩张和农业用地变化方面,但随着城市化进程的快速推进,农业用地持续减少,整体生态经济的发展处于下调趋势。
Tongren City,Guizhou Province was studied by using remote sensing technology and geographic information system(GIS)spatial analysis methods.In addition,visual analysis methods such as land change trend analysis and kernel density analysis were adopted to comprehensively monitor and quantitatively analyze the land change in Tongren City,Guizhou Province from 2021 to 2022.The analysis finds that with the acceleration of urbanization in Tongren City,the area that has undergone land changes in the city from 2021 to 2022 reaches 167.862 km^(2),and 80.348 km^(2)involves newly added construction land,accounting for 47.87%of the total change and showing an overall trend of expansion.The change in arable land reaches 66.283 km^(2),accounting for 39.49%of the total change and showing an overall trend of loss.At the same time,it indicates that land changes in Tongren City mainly focus on urban expansion and changes in agricultural land.However,with the rapid progress of urbanization,agricultural land continues to decrease,and the overall ecological and economic development is in a downward trend.
作者
万海峰
王源鋆
王刘松用
陈洋
WAN Haifeng;WANG Yuanjun;WANG Liusongyong;CHEN Yang(Guizhou Institute of Natural Resources Exploration and Planning,Guiyang Guizhou 520100,China;Beijing Totop Technology Company Limited,Beijing 100048,China)
出处
《北京测绘》
2024年第3期374-380,共7页
Beijing Surveying and Mapping
基金
北京市自然科学基金(8222011)。
关键词
国土变更
遥感监测
土地利用变化
生态环境影响
核密度分析
national land changes
remote sensing monitoring
land change
ecological environment impact
kernel density analysis
