Investigations of long-term trends in the ionosphere with world-wide ionosonde observations*

Bremer, J.

doi:10.5194/ars-2-253-2004

Articles | Volume 2

https://doi.org/10.5194/ars-2-253-2004

© Author(s) 2004. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

https://doi.org/10.5194/ars-2-253-2004

© Author(s) 2004. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Articles | Volume 2

27 May 2005

| 27 May 2005

Investigations of long-term trends in the ionosphere with world-wide ionosonde observations*

J. Bremer

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Total article views: 1,882 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
996	766	120	1,882	155	191

HTML: 996
PDF: 766
XML: 120
Total: 1,882
BibTeX: 155
EndNote: 191

Views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	1	8	1	10
Mar 2013	3	8	3	14
Apr 2013	2	4	0	6
May 2013	2	11	1	14
Jun 2013	7	0	7
Jul 2013	2	8	0	10
Aug 2013	1	3	0	4
Sep 2013	2	5	1	8
Oct 2013	2	8	0	10
Nov 2013	2	11	0	13
Dec 2013	2	9	2	13
Jan 2014	2	11	1	14
Feb 2014	7	11	4	22
Mar 2014	5	7	1	13
Apr 2014	7	8	0	15
May 2014	2	12	1	15
Jun 2014	3	7	0	10
Jul 2014	2	15	1	18
Aug 2014	2	10	0	12
Sep 2014	13	0	13
Oct 2014	5	10	0	15
Nov 2014	25	7	0	32
Dec 2014	2	8	1	11
Jan 2015	1	4	1	6
Feb 2015	5	3	1	9
Mar 2015	1	0	1
Apr 2015	2	1	0	3
May 2015	3	2	0	5
Jun 2015	20	0	20
Jul 2015	13	0	13
Aug 2015	3	3	0	6
Sep 2015	4	4	0	8
Oct 2015	6	5	0	11
Nov 2015	12	2	0	14
Dec 2015	4	4	0	8
Jan 2016	5	6	0	11
Feb 2016	6	3	1	10
Mar 2016	5	5	0	10
Apr 2016	4	0	4
May 2016	5	6	0	11
Jun 2016	3	1	0	4
Jul 2016	6	4	1	11
Aug 2016	4	7	0	11
Sep 2016	4	3	0	7
Oct 2016	3	1	1	5
Nov 2016	3	1	1	5
Dec 2016	3	1	0	4
Jan 2017	4	2	0	6
Feb 2017	2	0	2
Mar 2017	7	2	1	10
Apr 2017	6	0	6
May 2017	15	6	1	22
Jun 2017	12	5	0	17
Jul 2017	10	5	3	18
Aug 2017	2	4	0	6
Sep 2017	4	5	0	9
Oct 2017	2	0	2
Nov 2017	1	1	0	2
Dec 2017	5	7	2	14
Jan 2018	2	5	0	7
Feb 2018	4	4	1	9
Mar 2018	9	3	1	13
Apr 2018	10	11	2	23
May 2018	10	4	2	16
Jun 2018	2	2	0	4
Jul 2018	7	3	0	10
Aug 2018	9	4	1	14
Sep 2018	5	2	1	8
Oct 2018	6	3	0	9
Nov 2018	10	4	1	15
Dec 2018	14	3	0	17
Jan 2019	8	5	1	14
Feb 2019	12	7	1	20
Mar 2019	11	6	0	17
Apr 2019	9	3	0	12
May 2019	12	5	1	18
Jun 2019	8	6	0	14
Jul 2019	2	2	0	4
Aug 2019	9	5	0	14
Sep 2019	1	0	1
Oct 2019	2	5	1	8
Nov 2019	4	6	0	10
Dec 2019	2	5	0	7
Jan 2020	3	0	3
Feb 2020	3	2	1	6
Mar 2020	4	2	0	6
Apr 2020	1	2	0	3
May 2020	2	2	0	4
Jun 2020	19	4	1	24
Jul 2020	44	40	33	117
Aug 2020	4	6	2	12
Sep 2020	5	7	0	12
Oct 2020	3	5	0	8
Nov 2020	5	7	0	12
Dec 2020	6	5	0	11
Jan 2021	6	4	0	10
Feb 2021	2	3	0	5
Mar 2021	9	6	0	15
Apr 2021	5	4	0	9
May 2021	8	3	1	12
Jun 2021	15	7	0	22
Jul 2021	6	1	0	7
Aug 2021	5	2	0	7
Sep 2021	4	3	0	7
Oct 2021	8	23	0	31
Nov 2021	5	13	1	19
Dec 2021	8	6	0	14
Jan 2022	3	7	0	10
Feb 2022	2	3	1	6
Mar 2022	4	6	0	10
Apr 2022	9	3	0	12
May 2022	5	5	1	11
Jun 2022	13	10	0	23
Jul 2022	8	8	0	16
Aug 2022	12	10	0	22
Sep 2022	4	1	0	5
Oct 2022	5	0	5
Nov 2022	3	6	0	9
Dec 2022	9	9	0	18
Jan 2023	4	0	4
Feb 2023	3	1	0	4
Mar 2023	5	0	5
Apr 2023	4	0	4
May 2023	2	1	3
Jun 2023	3	2	0	5
Jul 2023	2	0	2
Aug 2023	2	2	1	5
Sep 2023	1	3	1	5
Oct 2023	4	2	0	6
Nov 2023	3	0	3
Dec 2023	7	0	7
Jan 2024	3	5	0	8
Feb 2024	2	1	0	3
Mar 2024	2	1	1	4
Apr 2024	8	5	2	15
May 2024	10	2	12
Jun 2024	9	2	3	14
Jul 2024	13	3	3	19
Aug 2024	18	3	4	25
Sep 2024	10	2	1	13
Oct 2024	4	4	2	10
Nov 2024	3	1	0	4
Dec 2024	1	0	1
Jan 2025	2	1	0	3
Feb 2025	7	2	0	9
Mar 2025	2	4	0	6
Apr 2025	7	2	0	9
May 2025	8	2	2	12
Jun 2025	13	4	2	19
Jul 2025	12	7	1	20
Aug 2025	11	6	0	17
Sep 2025	8	7	0	15
Oct 2025	21	11	2	34
Nov 2025	21	7	2	30
Dec 2025	19	7	2	28
Jan 2026	19	9	1	29
Feb 2026	21	9	2	32
Mar 2026	9	5	1	15
Apr 2026	3	3	0	6

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	1	8	1	10
Mar 2013	3	8	3	14
Apr 2013	2	4	0	6
May 2013	2	11	1	14
Jun 2013	7	0	7
Jul 2013	2	8	0	10
Aug 2013	1	3	0	4
Sep 2013	2	5	1	8
Oct 2013	2	8	0	10
Nov 2013	2	11	0	13
Dec 2013	2	9	2	13
Jan 2014	2	11	1	14
Feb 2014	7	11	4	22
Mar 2014	5	7	1	13
Apr 2014	7	8	0	15
May 2014	2	12	1	15
Jun 2014	3	7	0	10
Jul 2014	2	15	1	18
Aug 2014	2	10	0	12
Sep 2014	13	0	13
Oct 2014	5	10	0	15
Nov 2014	25	7	0	32
Dec 2014	2	8	1	11
Jan 2015	1	4	1	6
Feb 2015	5	3	1	9
Mar 2015	1	0	1
Apr 2015	2	1	0	3
May 2015	3	2	0	5
Jun 2015	20	0	20
Jul 2015	13	0	13
Aug 2015	3	3	0	6
Sep 2015	4	4	0	8
Oct 2015	6	5	0	11
Nov 2015	12	2	0	14
Dec 2015	4	4	0	8
Jan 2016	5	6	0	11
Feb 2016	6	3	1	10
Mar 2016	5	5	0	10
Apr 2016	4	0	4
May 2016	5	6	0	11
Jun 2016	3	1	0	4
Jul 2016	6	4	1	11
Aug 2016	4	7	0	11
Sep 2016	4	3	0	7
Oct 2016	3	1	1	5
Nov 2016	3	1	1	5
Dec 2016	3	1	0	4
Jan 2017	4	2	0	6
Feb 2017	2	0	2
Mar 2017	7	2	1	10
Apr 2017	6	0	6
May 2017	15	6	1	22
Jun 2017	12	5	0	17
Jul 2017	10	5	3	18
Aug 2017	2	4	0	6
Sep 2017	4	5	0	9
Oct 2017	2	0	2
Nov 2017	1	1	0	2
Dec 2017	5	7	2	14
Jan 2018	2	5	0	7
Feb 2018	4	4	1	9
Mar 2018	9	3	1	13
Apr 2018	10	11	2	23
May 2018	10	4	2	16
Jun 2018	2	2	0	4
Jul 2018	7	3	0	10
Aug 2018	9	4	1	14
Sep 2018	5	2	1	8
Oct 2018	6	3	0	9
Nov 2018	10	4	1	15
Dec 2018	14	3	0	17
Jan 2019	8	5	1	14
Feb 2019	12	7	1	20
Mar 2019	11	6	0	17
Apr 2019	9	3	0	12
May 2019	12	5	1	18
Jun 2019	8	6	0	14
Jul 2019	2	2	0	4
Aug 2019	9	5	0	14
Sep 2019	1	0	1
Oct 2019	2	5	1	8
Nov 2019	4	6	0	10
Dec 2019	2	5	0	7
Jan 2020	3	0	3
Feb 2020	3	2	1	6
Mar 2020	4	2	0	6
Apr 2020	1	2	0	3
May 2020	2	2	0	4
Jun 2020	19	4	1	24
Jul 2020	44	40	33	117
Aug 2020	4	6	2	12
Sep 2020	5	7	0	12
Oct 2020	3	5	0	8
Nov 2020	5	7	0	12
Dec 2020	6	5	0	11
Jan 2021	6	4	0	10
Feb 2021	2	3	0	5
Mar 2021	9	6	0	15
Apr 2021	5	4	0	9
May 2021	8	3	1	12
Jun 2021	15	7	0	22
Jul 2021	6	1	0	7
Aug 2021	5	2	0	7
Sep 2021	4	3	0	7
Oct 2021	8	23	0	31
Nov 2021	5	13	1	19
Dec 2021	8	6	0	14
Jan 2022	3	7	0	10
Feb 2022	2	3	1	6
Mar 2022	4	6	0	10
Apr 2022	9	3	0	12
May 2022	5	5	1	11
Jun 2022	13	10	0	23
Jul 2022	8	8	0	16
Aug 2022	12	10	0	22
Sep 2022	4	1	0	5
Oct 2022	5	0	5
Nov 2022	3	6	0	9
Dec 2022	9	9	0	18
Jan 2023	4	0	4
Feb 2023	3	1	0	4
Mar 2023	5	0	5
Apr 2023	4	0	4
May 2023	2	1	3
Jun 2023	3	2	0	5
Jul 2023	2	0	2
Aug 2023	2	2	1	5
Sep 2023	1	3	1	5
Oct 2023	4	2	0	6
Nov 2023	3	0	3
Dec 2023	7	0	7
Jan 2024	3	5	0	8
Feb 2024	2	1	0	3
Mar 2024	2	1	1	4
Apr 2024	8	5	2	15
May 2024	10	2	12
Jun 2024	9	2	3	14
Jul 2024	13	3	3	19
Aug 2024	18	3	4	25
Sep 2024	10	2	1	13
Oct 2024	4	4	2	10
Nov 2024	3	1	0	4
Dec 2024	1	0	1
Jan 2025	2	1	0	3
Feb 2025	7	2	0	9
Mar 2025	2	4	0	6
Apr 2025	7	2	0	9
May 2025	8	2	2	12
Jun 2025	13	4	2	19
Jul 2025	12	7	1	20
Aug 2025	11	6	0	17
Sep 2025	8	7	0	15
Oct 2025	21	11	2	34
Nov 2025	21	7	2	30
Dec 2025	19	7	2	28
Jan 2026	19	9	1	29
Feb 2026	21	9	2	32
Mar 2026	9	5	1	15
Apr 2026	3	3	0	6

Latest update: 15 Apr 2026