基于哨兵2号数据的撂荒地识别与分析——以甘肃省麦积区为例OA

Taking Maiji District in Gansu Province as the research area,object-oriented method was used to identify abandoned land based on Sentinel-2 remote sensing satellite data,the overall classification accuracy reached 92%,and the Kappa coefficient was 0.82.The spatial statis-tical results showed that the abandoned land area in Maiji District was 12 600.31 hm2,accounting for 3.62%of the total area of Maiji District and 22.02%of the total cultivated land area.Slope analysis and traffic condition analysis found that terrain factors and traffic conditions were important reasons for abandonment.A spatial autocorrelation analysis of abandoned land in Maiji District revealed significant spatial clustering characteristics.