2000—2019年黄河流域植被覆盖度时空变化
张志强, 刘欢, 左其亭, 于锦涛, 李阳

Spatiotemporal change of fractional vegetation cover in the Yellow River Basin during 2000-2019
ZHANG Zhiqiang, LIU Huan, ZUO Qiting, YU Jintao, LI Yang
图5 Hurst指数频率统计(a)和空间分布(b)
Figure 5 Frequency statistics (a) and spatial distribution (b) of Hurst index