基于TVDI的内蒙古草地干旱变化特征分析

程伟,辛晓平

Analysis of Spatial-Temporal Characteristics of Drought Variation in Grassland Area of Inner Mongolia Based on TVDI

CHENG Wei,XIN XiaoPing

表7 TVDI与温度的相关性及显著性检验所占的面积比

Table 7 Area ratio of correlation between TVDI and air temperature and the corresponding significance tests（%）

显著性Significanct TMS TS TDS TSD TD LM MM M 显著正相关Positive correlation & P<0.05 25.00 64.47 44.60 52.48 37.37 29.95 19.69 19.87 正相关不显著Positive correlation & P>0.05 73.49 35.29 53.44 45.88 61.87 65.31 77.72 78.72 显著负相关Negative correlation & P<0.05 0 0 0 0.01 0.02 0.01 0 0 负相关不显著Negative correlation & P>0.05 1.51 0.24 1.96 1.63 0.74 4.73 2.59 1.41