A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6° N) during a night of high auroral activity

Takahashi, T.; Nozawa, S.; Tsuda, T. T.; Ogawa, Y.; Saito, N.; Hidemori, T.; Kawahara, T. D.; Hall, C.; Fujiwara, H.; Matuura, N.; Brekke, A.; Tsutsumi, M.; Wada, S.; Kawabata, T.; Oyama, S.; Fujii, R.

doi:10.5194/angeo-33-941-2015

Articles | Volume 33, issue 8

https://doi.org/10.5194/angeo-33-941-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-33-941-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 33, issue 8

Regular paper

|

05 Aug 2015

Regular paper |

| 05 Aug 2015

A case study on generation mechanisms of a sporadic sodium layer above Tromsø (69.6° N) during a night of high auroral activity

T. Takahashi, S. Nozawa, T. T. Tsuda, Y. Ogawa, N. Saito, T. Hidemori, T. D. Kawahara, C. Hall, H. Fujiwara, N. Matuura, A. Brekke, M. Tsutsumi, S. Wada, T. Kawabata, S. Oyama, and R. Fujii

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Month	HTML	PDF	XML	Total
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Oct 2015	21	10	1	32
Nov 2015	21	11	0	32
Dec 2015	11	10	0	21
Jan 2016	9	5	0	14
Feb 2016	10	9	0	19
Mar 2016	10	7	2	19
Apr 2016	16	6	2	24
May 2016	10	6	0	16
Jun 2016	7	2	1	10
Jul 2016	10	6	2	18
Aug 2016	8	3	0	11
Sep 2016	6	2	0	8
Oct 2016	8	5	0	13
Nov 2016	2	0	2
Dec 2016	3	0	3
Jan 2017	14	3	1	18
Feb 2017	12	2	0	14
Mar 2017	22	3	1	26
Apr 2017	23	7	0	30
May 2017	24	12	2	38
Jun 2017	19	1	20
Jul 2017	11	2	1	14
Aug 2017	4	4	0	8
Sep 2017	6	3	0	9
Oct 2017	4	3	0	7
Nov 2017	5	7	1	13
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Jan 2018	3	3	0	6
Feb 2018	13	1	2	16
Mar 2018	5	2	0	7
Apr 2018	2	3	0	5
May 2018	10	2	0	12
Jun 2018	10	6	1	17
Jul 2018	8	5	0	13
Aug 2018	6	5	0	11
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Feb 2019	6	6	0	12
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Apr 2019	5	6	0	11
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Nov 2019	5	5	1	11
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Feb 2020	5	3	0	8
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Apr 2020	3	4	0	7
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Jun 2020	14	3	0	17
Jul 2020	18	12	3	33
Aug 2020	9	5	4	18
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Nov 2020	8	6	0	14
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Jan 2021	15	9	1	25
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Apr 2021	8	9	0	17
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Aug 2021	5	4	0	9
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May 2022	6	4	0	10
Jun 2022	9	4	1	14
Jul 2022	7	3	0	10
Aug 2022	9	2	0	11
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Nov 2022	9	8	0	17
Dec 2022	22	5	1	28
Jan 2023	13	7	1	21
Feb 2023	15	5	0	20
Mar 2023	30	5	1	36
Apr 2023	5	4	0	9
May 2023	13	8	4	25
Jun 2023	6	5	1	12
Jul 2023	7	10	1	18
Aug 2023	11	20	3	34
Sep 2023	8	13	2	23
Oct 2023	9	10	1	20
Nov 2023	6	3	0	9
Dec 2023	20	7	5	32
Jan 2024	9	2	0	11
Feb 2024	9	5	0	14
Mar 2024	12	8	1	21
Apr 2024	14	10	4	28
May 2024	21	5	8	34
Jun 2024	14	3	1	18
Jul 2024	17	3	4	24
Aug 2024	20	2	0	22
Sep 2024	17	3	1	21
Oct 2024	14	11	4	29
Nov 2024	5	7	2	14
Dec 2024	11	5	0	16
Jan 2025	10	17	0	27
Feb 2025	25	7	0	32
Mar 2025	13	10	0	23
Apr 2025	18	10	1	29
May 2025	31	12	1	44
Jun 2025	35	11	0	46
Jul 2025	27	11	1	39
Aug 2025	30	8	1	39
Sep 2025	21	16	2	39
Oct 2025	35	23	3	61
Nov 2025	26	12	4	42
Dec 2025	32	9	2	43
Jan 2026	29	13	3	45
Feb 2026	16	2	3	21

Cumulative views and downloads (calculated since 05 Aug 2015)

Month	HTML	PDF	XML	Total
Aug 2015	62	65	3	130
Sep 2015	17	21	1	39
Oct 2015	21	10	1	32
Nov 2015	21	11	0	32
Dec 2015	11	10	0	21
Jan 2016	9	5	0	14
Feb 2016	10	9	0	19
Mar 2016	10	7	2	19
Apr 2016	16	6	2	24
May 2016	10	6	0	16
Jun 2016	7	2	1	10
Jul 2016	10	6	2	18
Aug 2016	8	3	0	11
Sep 2016	6	2	0	8
Oct 2016	8	5	0	13
Nov 2016	2	0	2
Dec 2016	3	0	3
Jan 2017	14	3	1	18
Feb 2017	12	2	0	14
Mar 2017	22	3	1	26
Apr 2017	23	7	0	30
May 2017	24	12	2	38
Jun 2017	19	1	20
Jul 2017	11	2	1	14
Aug 2017	4	4	0	8
Sep 2017	6	3	0	9
Oct 2017	4	3	0	7
Nov 2017	5	7	1	13
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Jan 2018	3	3	0	6
Feb 2018	13	1	2	16
Mar 2018	5	2	0	7
Apr 2018	2	3	0	5
May 2018	10	2	0	12
Jun 2018	10	6	1	17
Jul 2018	8	5	0	13
Aug 2018	6	5	0	11
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Oct 2018	10	6	2	18
Nov 2018	6	3	2	11
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Feb 2019	6	6	0	12
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May 2019	7	6	0	13
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Aug 2019	10	6	0	16
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Mar 2020	3	3	0	6
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Jun 2020	14	3	0	17
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Aug 2020	9	5	4	18
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Apr 2021	8	9	0	17
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Jul 2021	9	8	0	17
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Mar 2022	5	2	0	7
Apr 2022	3	2	1	6
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Jun 2022	9	4	1	14
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Aug 2022	9	2	0	11
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Oct 2022	9	2	1	12
Nov 2022	9	8	0	17
Dec 2022	22	5	1	28
Jan 2023	13	7	1	21
Feb 2023	15	5	0	20
Mar 2023	30	5	1	36
Apr 2023	5	4	0	9
May 2023	13	8	4	25
Jun 2023	6	5	1	12
Jul 2023	7	10	1	18
Aug 2023	11	20	3	34
Sep 2023	8	13	2	23
Oct 2023	9	10	1	20
Nov 2023	6	3	0	9
Dec 2023	20	7	5	32
Jan 2024	9	2	0	11
Feb 2024	9	5	0	14
Mar 2024	12	8	1	21
Apr 2024	14	10	4	28
May 2024	21	5	8	34
Jun 2024	14	3	1	18
Jul 2024	17	3	4	24
Aug 2024	20	2	0	22
Sep 2024	17	3	1	21
Oct 2024	14	11	4	29
Nov 2024	5	7	2	14
Dec 2024	11	5	0	16
Jan 2025	10	17	0	27
Feb 2025	25	7	0	32
Mar 2025	13	10	0	23
Apr 2025	18	10	1	29
May 2025	31	12	1	44
Jun 2025	35	11	0	46
Jul 2025	27	11	1	39
Aug 2025	30	8	1	39
Sep 2025	21	16	2	39
Oct 2025	35	23	3	61
Nov 2025	26	12	4	42
Dec 2025	32	9	2	43
Jan 2026	29	13	3	45
Feb 2026	16	2	3	21

Latest update: 12 Feb 2026