Comparison of the long-term trends in stratospheric dynamics  of  four reanalyses

Kozubek, Michal; Krizan, Peter; Lastovicka, Jan

doi:10.5194/angeo-35-279-2017

Articles | Volume 35, issue 2

https://doi.org/10.5194/angeo-35-279-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-35-279-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 35, issue 2

Regular paper

|

27 Feb 2017

Regular paper |

| 27 Feb 2017

Comparison of the long-term trends in stratospheric dynamics of four reanalyses

Michal Kozubek, Peter Krizan, and Jan Lastovicka

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Feb 2017	32	8	2	42
Mar 2017	99	28	11	138
Apr 2017	78	22	12	112
May 2017	28	10	4	42
Jun 2017	37	8	1	46
Jul 2017	22	10	2	34
Aug 2017	10	9	1	20
Sep 2017	16	8	3	27
Oct 2017	15	6	0	21
Nov 2017	14	8	4	26
Dec 2017	9	5	0	14
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Apr 2018	14	7	0	21
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Jul 2018	13	3	0	16
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Feb 2019	23	6	0	29
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Apr 2020	2	11	1	14
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Oct 2020	10	6	0	16
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Jan 2021	18	5	1	24
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Feb 2024	9	4	0	13
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Apr 2024	20	3	2	25
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Jan 2025	5	6	0	11
Feb 2025	23	1	1	25
Mar 2025	18	7	3	28
Apr 2025	18	6	0	24
May 2025	15	2	1	18
Jun 2025	35	4	1	40
Jul 2025	23	12	2	37
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Dec 2025	25	17	3	45
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Feb 2026	32	4	5	41
Mar 2026	20	6	1	27

Cumulative views and downloads (calculated since 27 Feb 2017)

Month	HTML	PDF	XML	Total
Feb 2017	32	8	2	42
Mar 2017	99	28	11	138
Apr 2017	78	22	12	112
May 2017	28	10	4	42
Jun 2017	37	8	1	46
Jul 2017	22	10	2	34
Aug 2017	10	9	1	20
Sep 2017	16	8	3	27
Oct 2017	15	6	0	21
Nov 2017	14	8	4	26
Dec 2017	9	5	0	14
Jan 2018	16	11	1	28
Feb 2018	31	5	2	38
Mar 2018	11	6	0	17
Apr 2018	14	7	0	21
May 2018	15	10	0	25
Jun 2018	11	6	0	17
Jul 2018	13	3	0	16
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Oct 2018	13	6	0	19
Nov 2018	29	5	1	35
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Feb 2019	23	6	0	29
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Apr 2025	18	6	0	24
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Jun 2025	35	4	1	40
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Aug 2025	16	9	1	26
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Nov 2025	31	19	3	53
Dec 2025	25	17	3	45
Jan 2026	36	13	4	53
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Latest update: 22 Mar 2026

Short summary

A study of trends in the middle stratosphere using comparisons of four main reanalyses (ERA-Interim, JRA-55, MERRA and NCEP/NCAR). We identified that all four reanalyses show very similar trends on a season or monthly basis. We also compute trends for each grid point not as a zonal mean. This approach shows detailed features in the trend studies in both hemispheres.