基于Google Earth EngineGEE)的毛乌素沙地风蚀荒漠化过程监测
刘永杰, 杜鹤强, 范亚伟, 杨胜飞

Monitoring of wind erosion desertification process in the Mu Us Desert based on Google Earth EngineGEE
Yongjie Liu, Heqiang Du, Yawei Fan, Shengfei Yang
表1 20002022年毛乌素沙地荒漠化差值指数( DDI )分级
Table 1 Desertification Difference IndexDDIclassification table of the Mu Us Desert from 2000 to 2022
年份荒漠化程度
极重度荒漠化重度荒漠化中度荒漠化轻度荒漠化非荒漠化
2000≤-0.38-0.38~0.360.36~0.620.62~0.95≥0.95
2005≤-0.29-0.29~0.750.75~1.301.30~2.13≥2.13
2010≤-0.05-0.05~1.301.30~2.072.07~3.15≥3.15
2015≤-0.40-0.40~0.190.19~0.410.41~0.73≥0.73
2020≤-0.27-0.27~0.510.51~0.900.90~1.42≥1.42
2022≤-0.33-0.33~0.720.72~1.221.22~1.84≥1.84