The interaction between stratospheric monthly mean regional winds and sporadic-E

doi:10.1088/1674-1056/26/3/039401

中国物理B ›› 2017, Vol. 26 ›› Issue (3): 39401-039401.doi: 10.1088/1674-1056/26/3/039401

• GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS • 上一篇下一篇

The interaction between stratospheric monthly mean regional winds and sporadic-E

Kenan Çetin, Osman Özcan, Serhat Korlaelçi

1 Department of Physics, Art and Science Faculty, Mus Alparslan Universitiy, 49250 Turkey;
2 Department of Physics, Science Faculty, Firat Universitiy, 23100 Turkey

收稿日期:2016-11-03 修回日期:2016-11-20 出版日期:2017-03-05 发布日期:2017-03-05
通讯作者: Kenan Çetin E-mail:kenanfizik@hotmail.com

The interaction between stratospheric monthly mean regional winds and sporadic-E

Kenan Çetin¹, Osman Özcan², Serhat Korlaelçi¹

1 Department of Physics, Art and Science Faculty, Mus Alparslan Universitiy, 49250 Turkey;
2 Department of Physics, Science Faculty, Firat Universitiy, 23100 Turkey

Received:2016-11-03 Revised:2016-11-20 Online:2017-03-05 Published:2017-03-05
Contact: Kenan Çetin E-mail:kenanfizik@hotmail.com

摘要/Abstract

摘要： In the present study, a statistical investigation is carried out to explore whether there is a relationship between the critical frequency (foEs) of the sporadic-E layer that is occasionally seen on the E region of the ionosphere and the quasi-biennial oscillation (QBO) that flows in the east-west direction in the equatorial stratosphere. Multiple regression model as a statistical tool was used to determine the relationship between variables. In this model, the stationarity of the variables (foEs and QBO) was firstly analyzed for each station (Cocos Island, Gibilmanna, Niue Island, and Tahiti). Then, a co-integration test was made to determine the existence of a long-term relationship between QBO and foEs. After verifying the presence of a long-term relationship between the variables, the magnitude of the relationship between variables was further determined using the multiple regression model. As a result, it is concluded that the variations in foEs were explainable with QBO measured at 10 hPa altitude at the rate of 69%, 94%, 79%, and 58% for Cocos Island, Gibilmanna, Niue Island, and Tahiti stations, respectively. It is observed that the variations in foEs were explainable with QBO measured at 70 hPa altitude at the rate of 66%, 69%, 53%, and 47% for Cocos Island, Gibilmanna, Niue Island, and Tahiti stations, respectively.

关键词: multiple regression model, equatorial region, sporadic-E, quasi-biennial oscillation (QBO)

Abstract: In the present study, a statistical investigation is carried out to explore whether there is a relationship between the critical frequency (foEs) of the sporadic-E layer that is occasionally seen on the E region of the ionosphere and the quasi-biennial oscillation (QBO) that flows in the east-west direction in the equatorial stratosphere. Multiple regression model as a statistical tool was used to determine the relationship between variables. In this model, the stationarity of the variables (foEs and QBO) was firstly analyzed for each station (Cocos Island, Gibilmanna, Niue Island, and Tahiti). Then, a co-integration test was made to determine the existence of a long-term relationship between QBO and foEs. After verifying the presence of a long-term relationship between the variables, the magnitude of the relationship between variables was further determined using the multiple regression model. As a result, it is concluded that the variations in foEs were explainable with QBO measured at 10 hPa altitude at the rate of 69%, 94%, 79%, and 58% for Cocos Island, Gibilmanna, Niue Island, and Tahiti stations, respectively. It is observed that the variations in foEs were explainable with QBO measured at 70 hPa altitude at the rate of 66%, 69%, 53%, and 47% for Cocos Island, Gibilmanna, Niue Island, and Tahiti stations, respectively.

Key words: multiple regression model, equatorial region, sporadic-E, quasi-biennial oscillation (QBO)

中图分类号: (Ionospheric modeling and forecasting)

94.20.Cf

94.20.D- (Ionospheric structure, composition) 94.20.dg (E region) 94.20.dt (Equatorial ionosphere)

Kenan &#;etin,Osman &#;zcan,Serhat Korlael&#;i. The interaction between stratospheric monthly mean regional winds and sporadic-E[J]. 中国物理B, 2017, 26(3): 39401-039401.

Kenan Çetin, Osman Özcan, Serhat Korlaelçi. The interaction between stratospheric monthly mean regional winds and sporadic-E[J]. Chin. Phys. B, 2017, 26(3): 39401-039401.

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The interaction between stratospheric monthly mean regional winds and sporadic-E

The interaction between stratospheric monthly mean regional winds and sporadic-E

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