1961 - 2016年秦岭山区冷季积雪日数变化特征及其影响因子
李茜, 魏凤英, 雷向杰

The variation characteristics of snow cover days and its influencing factors in cold season in the Qinling Mountains from 1961 to 2016
Qian LI, Fengying WEI, Xiangjie LEI
图8 秦岭冷季积雪日数偏多年(a、 c、 e)和偏少年(b、 d、 f)的海温(单位: K)、 500 hPa高度场(单位: gpm)、 850 hPa风场(单位: m·s-1)分布
Fig.8 Distribution of sea surface temperature (unit: K), 500 hPa height field (unit: gpm) and 850 hPa wind field (unit: m·s-1) in the cold season for the years of more snow cover days (a, c, e) and of the less years (b, d, f) in the Qinling Mountains