基于TVDI的内蒙古草地干旱变化特征分析

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4 干旱变化趋势显著性等级划分

Table 4 Classification of the significance of drought trend

β	\|Zc\|
β	\|Zc\|≤1.960	1.960<\|Zc\|≤2.576	2.576<\|Zc\|≤3.291	\|Zc\|>3.291
β≤-0.001	稳定不变Stable	轻微变湿Wet slightly	变湿Wet	显著变湿Wet significantly
-0.001<β≤0.001	稳定不变Stable	稳定不变Stable	稳定不变Stable	稳定不变Stable
β>0.001	稳定不变Stable	轻微变干Dry slightly	变干Dry	显著变干Dry significantly