Is there a solar signal in lower stratospheric water vapour?

Schieferdecker, T.; Lossow, S.; Stiller, G. P.; von Clarmann, T.

doi:10.5194/acp-15-9851-2015

Articles | Volume 15, issue 17

https://doi.org/10.5194/acp-15-9851-2015

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

https://doi.org/10.5194/acp-15-9851-2015

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

Articles | Volume 15, issue 17

Research article

|

02 Sep 2015

Research article |

| 02 Sep 2015

Is there a solar signal in lower stratospheric water vapour?

T. Schieferdecker, S. Lossow, G. P. Stiller, and T. von Clarmann

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Month	HTML	PDF	XML	Total
Apr 2015	148	158	39	345
May 2015	70	53	4	127
Jun 2015	27	17	3	47
Jul 2015	43	25	1	69
Aug 2015	25	15	6	46
Sep 2015	321	132	20	473
Oct 2015	51	36	0	87
Nov 2015	48	39	0	87
Dec 2015	27	19	0	46
Jan 2016	46	28	0	74
Feb 2016	37	23	1	61
Mar 2016	30	10	1	41
Apr 2016	34	11	1	46
May 2016	39	15	0	54
Jun 2016	10	6	0	16
Jul 2016	12	7	3	22
Aug 2016	9	3	1	13
Sep 2016	11	5	0	16
Oct 2016	11	4	0	15
Nov 2016	8	4	0	12
Dec 2016	2	2	0	4
Jan 2017	18	2	2	22
Feb 2017	16	8	2	26
Mar 2017	18	4	1	23
Apr 2017	28	9	0	37
May 2017	20	9	0	29
Jun 2017	25	11	1	37
Jul 2017	16	4	0	20
Aug 2017	12	5	0	17
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Oct 2017	10	9	0	19
Nov 2017	16	14	1	31
Dec 2017	16	8	1	25
Jan 2018	13	6	0	19
Feb 2018	12	4	1	17
Mar 2018	12	10	2	24
Apr 2018	13	14	0	27
May 2018	12	8	1	21
Jun 2018	10	11	1	22
Jul 2018	8	10	0	18
Aug 2018	14	11	0	25
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Oct 2018	15	9	5	29
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Dec 2018	15	8	1	24
Jan 2019	7	9	1	17
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Mar 2019	4	7	1	12
Apr 2019	5	5	0	10
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Jun 2019	6	4	0	10
Jul 2019	7	3	0	10
Aug 2019	3	6	0	9
Sep 2019	6	4	0	10
Oct 2019	9	2	1	12
Nov 2019	8	4	0	12
Dec 2019	6	6	1	13
Jan 2020	12	3	1	16
Feb 2020	14	1	1	16
Mar 2020	4	3	0	7
Apr 2020	5	3	4	12
May 2020	8	2	0	10
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Jul 2020	19	8	10	37
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Oct 2020	5	8	2	15
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Jan 2021	18	2	3	23
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Mar 2021	8	4	0	12
Apr 2021	10	4	3	17
May 2021	8	6	1	15
Jun 2021	5	4	0	9
Jul 2021	8	5	0	13
Aug 2021	13	9	1	23
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Nov 2021	16	26	1	43
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Jan 2022	11	13	1	25
Feb 2022	9	4	1	14
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Apr 2022	7	3	0	10
May 2022	6	4	0	10
Jun 2022	5	4	3	12
Jul 2022	6	3	0	9
Aug 2022	9	5	3	17
Sep 2022	7	4	2	13
Oct 2022	5	4	3	12
Nov 2022	10	5	0	15
Dec 2022	11	8	1	20
Jan 2023	5	5	0	10
Feb 2023	9	5	0	14
Mar 2023	12	7	0	19
Apr 2023	5	4	0	9
May 2023	30	10	0	40
Jun 2023	38	8	2	48
Jul 2023	46	10	2	58
Aug 2023	39	6	2	47
Sep 2023	39	9	2	50
Oct 2023	37	3	2	42
Nov 2023	30	1	0	31
Dec 2023	50	6	2	58
Jan 2024	44	3	0	47
Feb 2024	37	8	1	46
Mar 2024	50	8	3	61
Apr 2024	41	8	3	52
May 2024	20	11	5	36
Jun 2024	14	9	1	24
Jul 2024	18	8	3	29
Aug 2024	35	7	0	42
Sep 2024	10	9	1	20
Oct 2024	20	4	0	24
Nov 2024	8	6	2	16
Dec 2024	38	13	1	52
Jan 2025	56	9	0	65
Feb 2025	62	13	2	77
Mar 2025	21	7	0	28
Apr 2025	13	12	1	26
May 2025	25	7	1	33
Jun 2025	56	9	3	68
Jul 2025	24	13	0	37
Aug 2025	36	18	3	57
Sep 2025	83	15	2	100
Oct 2025	17	22	6	45
Nov 2025	32	14	3	49
Dec 2025	4	9	0	13

Cumulative views and downloads (calculated since 24 Apr 2015)

Month	HTML	PDF	XML	Total
Apr 2015	148	158	39	345
May 2015	70	53	4	127
Jun 2015	27	17	3	47
Jul 2015	43	25	1	69
Aug 2015	25	15	6	46
Sep 2015	321	132	20	473
Oct 2015	51	36	0	87
Nov 2015	48	39	0	87
Dec 2015	27	19	0	46
Jan 2016	46	28	0	74
Feb 2016	37	23	1	61
Mar 2016	30	10	1	41
Apr 2016	34	11	1	46
May 2016	39	15	0	54
Jun 2016	10	6	0	16
Jul 2016	12	7	3	22
Aug 2016	9	3	1	13
Sep 2016	11	5	0	16
Oct 2016	11	4	0	15
Nov 2016	8	4	0	12
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Jan 2017	18	2	2	22
Feb 2017	16	8	2	26
Mar 2017	18	4	1	23
Apr 2017	28	9	0	37
May 2017	20	9	0	29
Jun 2017	25	11	1	37
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Aug 2017	12	5	0	17
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Oct 2017	10	9	0	19
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Dec 2017	16	8	1	25
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Jun 2022	5	4	3	12
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Aug 2022	9	5	3	17
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Nov 2022	10	5	0	15
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Jan 2023	5	5	0	10
Feb 2023	9	5	0	14
Mar 2023	12	7	0	19
Apr 2023	5	4	0	9
May 2023	30	10	0	40
Jun 2023	38	8	2	48
Jul 2023	46	10	2	58
Aug 2023	39	6	2	47
Sep 2023	39	9	2	50
Oct 2023	37	3	2	42
Nov 2023	30	1	0	31
Dec 2023	50	6	2	58
Jan 2024	44	3	0	47
Feb 2024	37	8	1	46
Mar 2024	50	8	3	61
Apr 2024	41	8	3	52
May 2024	20	11	5	36
Jun 2024	14	9	1	24
Jul 2024	18	8	3	29
Aug 2024	35	7	0	42
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Oct 2024	20	4	0	24
Nov 2024	8	6	2	16
Dec 2024	38	13	1	52
Jan 2025	56	9	0	65
Feb 2025	62	13	2	77
Mar 2025	21	7	0	28
Apr 2025	13	12	1	26
May 2025	25	7	1	33
Jun 2025	56	9	3	68
Jul 2025	24	13	0	37
Aug 2025	36	18	3	57
Sep 2025	83	15	2	100
Oct 2025	17	22	6	45
Nov 2025	32	14	3	49
Dec 2025	4	9	0	13

Latest update: 05 Dec 2025

Short summary

A merged data set of HALOE and MIPAS lower stratospheric water vapour has been constructed. Multivariate linear regression shows that the merged time series can best be explained if a proxy for the 11-year solar cycle is considered. The amplitude of the solar cycle signal in water vapour is slightly higher than that which can be explained by the known solar cycle variation of cold-point temperatures.