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7 归一化植被指数(NDVI)拟合值区域差异
Table 7 Spatial difference of normalized differential vegetation index (NDVI) predicted value
分级标准 Rule (%) NDVI NDVI变化 NDVI change
2000 2005 2010 2015 2000-2005 2000-2010 2000-2015
高估区 Overrated <-5 16.70 17.72 15.28 13.54 1.71 2.85 3.78
准确区 Accurate -5-5 65.73 64.30 68.69 71.68 96.28 93.76 92.01
低估区 Underrated >5 17.57 17.98 16.03 14.78 2.00 3.39 4.21