基于逐日SPEI-30的黄土高原干旱演变特征及其驱动因素

刘旺旺, 刘丹, 张瑾彤, 李淑萍, 史利洁

Drought evolution characteristics and driving factors on the Loess Plateau based on daily SPEI-30

LIU Wangwang, LIU Dan, ZHANG Jintong, LI Shuping, SHI Lijie

图8 随机森林回归模型模拟黄土高原不同季节干旱持续日数与站点观测值的散点图

Fig.8 Scatter plots between simulated drought duration by random forest regression model and station observed values for different seasons over the Loess Plateau