Stratospheric warmings: The atmosphere ionosphere coupling paradigm

被引：115

作者：

Pancheva, Dora ^{[1
]}

Mukhtarov, Plamen ^{[1
]}

机构：

[1] Bulgarian Acad Sci, Inst Geophys, BU-1113 Sofia, Bulgaria

来源：

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2011年 / 73卷 / 13期

关键词：

Stratospheric warming; Vertical plasma drift; Atmosphere-ionosphere coupling; WINTER;

D O I：

10.1016/j.jastp.2011.03.006

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The paper presents for the first time the global spatial (latitude and altitude) structure of the mean ionospheric response to sudden stratospheric warming (SSW) events in winters of 2007/2008 and 2008/2009. To elucidate the effect of the SSWs on the ionosphere the COSMIC f(o)F2, h(m)F2, and electron density data at fixed altitudes are analyzed. Both the mean f(o)F2 and h(m)F2 parameters and the mean electron density at fixed heights indicate regular negative responses to the SSW temperature pulses at high latitudes. Similar response is found for the diurnal variability of the COSMIC electron density. The response is confined mainly to low and middle latitudes. A possible mechanism causing the observed negative ionospheric response is suggested. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1697 / 1702

页数：6

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