Land is an indispensable resource in nature,and land use reflects the relationship between hu-mans and land.Accompanying with continuous increase in population and continuous promotion of social industrialization and urbanization,how to scientifically develop and utilize valuable land resources has been increasingly valued by people.In this paper,by using Landsat image data from two periods in 2013 and 2023,and combining with remote sensing and GIS,land resources in Hefei city over the past decade have been monitored and analyzed.As showed by the comparison results,after ten years of urban development,the cultivated land area in Hefei city has decreased by 65707.92 hectares,construction land has increased by 39181.05 hectares,forest land has decreased by 1728.27 hectares,and water bodies have increased by 28255.14hm2.
关键词
遥感/地理信息系统/土地利用/动态监测
Key words
Remote sensing/geographic information systems/land use/dynamic monitoring