基于SPEI的甘南高原气象干旱变化特征

赵惠珍, 何涛, 郭瑞霞, 王成福, 张艳荣, 李琪

Meteorological drought variation characteristics in the Gannan Plateau based on standardized precipitation evapotranspiration index

ZHAO Huizhen, HE Tao, GUO Ruixia, WANG Chengfu, ZHANG Yanrong, LI Qi

图6 1973—2022年甘南高原年均SPEI的逐年变化及Mann-Kendall检验曲线

Fig.6 Yearly change of annual mean SPEI in the Gannan Plateau from 1973 to 2022 and its Mann-Kendall test curve