Physical meaning of the equinoctial effect for semi-annual variation in geomagnetic activity

Yoshida, A.

doi:https://doi.org/10.5194/angeo-27-1909-2009

Articles | Volume 27, issue 5

https://doi.org/10.5194/angeo-27-1909-2009

© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-27-1909-2009

© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 27, issue 5

04 May 2009

| 04 May 2009

Physical meaning of the equinoctial effect for semi-annual variation in geomagnetic activity

A. Yoshida

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Total article views: 1,879 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
865	945	69	1,879	86	107

HTML: 865
PDF: 945
XML: 69
Total: 1,879
BibTeX: 86
EndNote: 107

Views and downloads (calculated since 01 Feb 2013)

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May 2013	17	1	18
Jun 2013	6	18	0	24
Jul 2013	1	19	0	20
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Oct 2013	4	19	0	23
Nov 2013	18	0	18
Dec 2013	4	11	2	17
Jan 2014	3	11	1	15
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May 2014	2	9	0	11
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Jan 2015	8	0	8
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May 2025	11	8	3	22
Jun 2025	30	16	0	46
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Aug 2025	12	17	2	31
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Mar 2013	2	23	0	25
Apr 2013	2	9	1	12
May 2013	17	1	18
Jun 2013	6	18	0	24
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Aug 2013	10	18	2	30
Sep 2013	3	19	0	22
Oct 2013	4	19	0	23
Nov 2013	18	0	18
Dec 2013	4	11	2	17
Jan 2014	3	11	1	15
Feb 2014	5	13	2	20
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May 2014	2	9	0	11
Jun 2014	1	13	0	14
Jul 2014	2	15	0	17
Aug 2014	3	11	0	14
Sep 2014	6	18	0	24
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Jan 2025	5	6	0	11
Feb 2025	18	14	3	35
Mar 2025	6	4	0	10
Apr 2025	8	16	0	24
May 2025	11	8	3	22
Jun 2025	30	16	0	46
Jul 2025	16	11	1	28
Aug 2025	12	17	2	31
Sep 2025	2	4	0	6

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Latest update: 09 Sep 2025

Physical meaning of the equinoctial effect for semi-annual variation in geomagnetic activity

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