Challenge of modelling GLORIA observations of upper troposphere–lowermost stratosphere trace gas and cloud distributions at high latitudes: a case study with state-of-the-art models

Haenel, Florian; Woiwode, Wolfgang; Buchmüller, Jennifer; Friedl-Vallon, Felix; Höpfner, Michael; Johansson, Sören; Khosrawi, Farahnaz; Kirner, Oliver; Kleinert, Anne; Oelhaf, Hermann; Orphal, Johannes; Ruhnke, Roland; Sinnhuber, Björn-Martin; Ungermann, Jörn; Weimer, Michael; Braesicke, Peter

doi:https://doi.org/10.5194/acp-22-2843-2022

Articles | Volume 22, issue 4

https://doi.org/10.5194/acp-22-2843-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

The Polar Stratosphere in a Changing Climate (POLSTRACC) (ACP/AMT...

https://doi.org/10.5194/acp-22-2843-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 4

Research article

|

03 Mar 2022

Research article |

| 03 Mar 2022

Challenge of modelling GLORIA observations of upper troposphere–lowermost stratosphere trace gas and cloud distributions at high latitudes: a case study with state-of-the-art models

Florian Haenel, Wolfgang Woiwode, Jennifer Buchmüller, Felix Friedl-Vallon, Michael Höpfner, Sören Johansson, Farahnaz Khosrawi, Oliver Kirner, Anne Kleinert, Hermann Oelhaf, Johannes Orphal, Roland Ruhnke, Björn-Martin Sinnhuber, Jörn Ungermann, Michael Weimer, and Peter Braesicke

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Cumulative views and downloads (calculated since 26 Jul 2021)

Month	HTML	PDF	XML	Total
Jul 2021	108	29	4	141
Aug 2021	100	24	1	125
Sep 2021	89	8	1	98
Oct 2021	102	4	0	106
Nov 2021	82	10	1	93
Dec 2021	45	7	3	55
Jan 2022	41	10	2	53
Feb 2022	29	10	0	39
Mar 2022	273	58	5	336
Apr 2022	125	16	2	143
May 2022	98	11	0	109
Jun 2022	95	8	1	104
Jul 2022	108	7	0	115
Aug 2022	118	22	0	140
Sep 2022	51	6	0	57
Oct 2022	59	8	0	67
Nov 2022	81	10	0	91
Dec 2022	70	6	1	77
Jan 2023	43	19	1	63
Feb 2023	24	10	0	34
Mar 2023	31	10	1	42
Apr 2023	22	9	0	31
May 2023	23	15	2	40
Jun 2023	29	6	1	36
Jul 2023	36	13	1	50
Aug 2023	19	16	2	37
Sep 2023	15	10	0	25
Oct 2023	25	6	2	33
Nov 2023	7	1	0	8
Dec 2023	22	7	3	32
Jan 2024	15	9	1	25
Feb 2024	26	9	2	37
Mar 2024	16	15	1	32
Apr 2024	10	7	3	20

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Short summary

We compare remote sensing observations of H₂O, O₃, HNO₃ and clouds in the upper troposphere–lowermost stratosphere during an Arctic winter long-range research flight with simulations by two different state-of-the-art model systems. We find good agreement for dynamical structures, trace gas distributions and clouds. We investigate model biases and sensitivities, with the goal of aiding model development and improving our understanding of processes in the upper troposphere–lowermost stratosphere.


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