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

表2 冷季积雪日数突变年份前后气象要素的比较

Table 2 The average of the temperature and precipitation in the cold season before and after the sudden change years of the snow cover days

Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ 平均气温（℃） 3.4** 5.7** 3.5** 4.6** 6.4** 7.4** 7.3** 8.1** 5.7** 6.7** 降水量（mm） 130* 105* 142.4* 114.1* 128.3 114.9 153.7 139.3 150.5* 121.2*