基于随机森林模型的内陆干旱区植被指数变化与驱动力分析: 以北天山北坡中段为例

张文强, 罗格平, 郑宏伟, 王浩, HAMDI Rafiq, 何惠丽, 蔡鹏, 陈春波

Analysis of vegetation index changes and driving forces in inland arid areas based on random forest model: a case study of the middle part of northern slope of the north Tianshan Mountains

ZHANG Wen-Qiang, LUO Ge-Ping, ZHENG Hong-Wei, WANG Hao, HAMDI Rafiq, HE Hui-Li, CAI Peng, CHEN Chun-Bo

表3 2000-2005年北天山北坡中段土地利用转移矩阵(万km2)

Table 3 Land use transition matrix of the middle part of northern slope of the north Tianshan Mountains from 2000 to 2005 (104 km2)

2000 2005 总计 Total 耕地 Arable 林地 Forest 草地 Grassland 水体 Water body 城市 Urban 荒漠 Desert 耕地 Arable 1.568 8 0.003 8 0.040 9 0.001 1 0.010 1 0.021 6 1.646 3 林地 Forest 0.017 9 0.592 0 0.017 3 0.000 5 0.001 7 0.001 9 0.631 3 草地 Grassland 0.140 3 0.004 9 5.606 3 0.005 5 0.006 8 0.534 3 6.298 1 水体 Water body 0.001 3 0.000 1 0.003 8 0.489 3 0.000 4 0.005 0 0.499 9 城市 Urban 0.006 2 0.000 1 0.002 3 0.000 2 0.147 9 0.000 9 0.157 6 荒漠 Desert 0.056 6 0.001 5 0.027 6 0.017 7 0.011 6 5.558 6 5.673 6 总计 Total 1.791 1 0.602 4 5.698 2 0.514 3 0.178 5 6.122 3 14.906 8