1969—2024年青藏高原降雹日数时空变化特征
冯晓莉, 赵占秀, 王鹤, 张红亮, 张欣, 管琴, 葛友荣

Spatiotemporal variations of hail days over the Qinghai-Xizang Plateau from 1969 to 2024
FENG Xiaoli, ZHAO Zhanxiu, WANG He, ZHANG Hongliang, ZHANG Xin, GUAN Qin, GE Yourong
图7 1969—2024年青藏高原近地层2 m平均气温、最高气温、最低气温与降雹日数的21 a滑动相关系数时间序列(a)和青藏高原大气温度气候倾向率沿26°N—40°N平均的经度-高度剖面[b,单位:K·(10 a)-1]
(打点区表示气候倾向率通过置信水平为95%的显著性检验,黑色阴影表示地形,下同)
Fig.7 Time series of 21-year moving correlation coefficient between 2 m air temperature, maximum air temperature, minimum air temperature in the surface layer and hail days over the Qinghai-Xizang Plateau during 1969-2024 (a), and longitude-height cross-section of climatic trend rates of atmospheric temperature averaged along 26°N-40°N over the Qinghai-Xizang Plateau during 1969-2024 (b, Unit: K·(10 a)-1
(The dotted areas indicate that the climatic trend rate passes the significance test at the 95% confidence level, the black shading denotes topography, the same as below)