Notes on the correlation between sudden stratospheric warmings and solar activity

被引：3
|
作者：
Vorobeva, Ekaterina [1 ]
机构：
[1] St Petersburg State Univ, Dept Atmospher Phys, Univ Skaya Emb 7-9, St Petersburg 199034, Russia
来源：
ANNALES GEOPHYSICAE | 2019年 / 37卷 / 03期
关键词：
STATIONARY PLANETARY-WAVES; MIDDLE ATMOSPHERE; RESONANT INTERACTION; NUMERICAL-MODEL; CLIMATE-CHANGE; 2-LAYER MODEL; PROPAGATION; DYNAMICS; THERMOSPHERE; DISTURBANCES;
D O I：
10.5194/angeo-37-375-2019
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A correlation between solar activity and normalized occurrence rate of sudden stratospheric warmings (SSWs) has been found. As a proxy for solar activity, the 10.7 cm solar radio flux has been used. In order to find the correlation, we derived a normalized occurrence rate of major sudden stratospheric warmings (MSSWs) based on both the ERA-40/ERA-Interim dataset and NCEP data. Based on this distribution, we calculated the correlation coefficient, which amounts to 0.63, with a significance of 90.68 %, for ERA-40/ERA-Interim, and 0.55 for the NCEP-NCAR-I re-analysis, with a significance of 83.80 %. Additionally, we calculate correlation coefficients for Lyman-alpha flux and sunspot numbers with the analogous method for the same period.
引用
收藏
页码：375 / 380
页数：6
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