Analysis of solar EUV and X-ray flux enhancements during intense solar flare events and the concomitant response of equatorial and low latitude upper atmosphere

被引：6

作者：

Manju, G. ^{[1
]}

Simi, K. G. ^{[2
]}

Nayar, S. R. Prabhakaran ^{[2
]}

机构：

[1] VSSC, Space Phys Lab, Trivandrum 695022, Kerala, India

[2] Univ Kerala, Trivandrum 695001, Kerala, India

来源：

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2012年 / 86卷

关键词：

Solar flare; Limb effect; Central meridian; Total electron content (TEC); Flux; Geomagnetic field; F-REGION; AUGUST; 7; IONOSPHERE; PARAMETERS; ELECTROJET;

D O I：

10.1016/j.jastp.2012.05.008

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：

We investigate the X ray and UV flux changes during flare events and the corresponding ionospheric response. The study reveals that UV flux enhancement depends on both flare intensity and position on solar disk while X-ray flux enhancement depends only on the former. The study brings out a new result that the E region response to flares directly relates to the X-ray flux enhancement and that it does not exhibit limb effect. Further, the F region response shows limb effect indicating the UV flux control on the same and it also shows seasonal variability due to solar zenith angle variability. (c) 2012 Published by Elsevier Ltd.

引用

页码：1 / 5

页数：5

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