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6 TVDI与降水的相关性及显著性检验所占的面积比

Table 6 Area ratio of correlation between TVDI and precipitation 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 0 0 0 0 0.01 0.09 0.01 0.06 正相关不显著Positive correlation & P>0.05 0.55 0.53 0.26 1.10 12.27 9.26 0.85 4.25 显著负相关Negative correlation & P<0.05 89.66 61.67 37.00 12.07 5.68 49.15 80.47 35.06 负相关不显著Negative correlation & P>0.05 9.79 37.80 62.74 86.83 82.04 41.50 18.67 60.63