Evaluation of climate model aerosol trends with ground-based observations over the last 2 decades – an AeroCom  and CMIP6 analysis

Mortier, Augustin; Gliß, Jonas; Schulz, Michael; Aas, Wenche; Andrews, Elisabeth; Bian, Huisheng; Chin, Mian; Ginoux, Paul; Hand, Jenny; Holben, Brent; Zhang, Hua; Kipling, Zak; Kirkevåg, Alf; Laj, Paolo; Lurton, Thibault; Myhre, Gunnar; Neubauer, David; Olivié, Dirk; von Salzen, Knut; Skeie, Ragnhild Bieltvedt; Takemura, Toshihiko; Tilmes, Simone

doi:https://doi.org/10.5194/acp-20-13355-2020

Articles | Volume 20, issue 21

https://doi.org/10.5194/acp-20-13355-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

The Aerosol Chemistry Model Intercomparison Project...

https://doi.org/10.5194/acp-20-13355-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 21

Research article

|

11 Nov 2020

Research article |

| 11 Nov 2020

Evaluation of climate model aerosol trends with ground-based observations over the last 2 decades – an AeroCom and CMIP6 analysis

Augustin Mortier, Jonas Gliß, Michael Schulz, Wenche Aas, Elisabeth Andrews, Huisheng Bian, Mian Chin, Paul Ginoux, Jenny Hand, Brent Holben, Hua Zhang, Zak Kipling, Alf Kirkevåg, Paolo Laj, Thibault Lurton, Gunnar Myhre, David Neubauer, Dirk Olivié, Knut von Salzen, Ragnhild Bieltvedt Skeie, Toshihiko Takemura, and Simone Tilmes

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Final revised paper (published on 11 Nov 2020)
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Preprint (discussion started on 13 Jan 2020)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review report, Mortier et al.', Anonymous Referee #1, 25 Feb 2020
- AC1: 'Response to Reviewer#1', A. Mortier, 12 Jul 2020
RC2: 'Review of a paper by Mortier et al.', Anonymous Referee #2, 21 Apr 2020
- AC2: 'Response to Reviewer#2', A. Mortier, 12 Jul 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by A. Mortier on behalf of the Authors (14 Jul 2020) Author's response

ED: Referee Nomination & Report Request started (12 Aug 2020) by Pedro Jimenez-Guerrero

RR by Anonymous Referee #1 (21 Sep 2020)

ED: Publish as is (21 Sep 2020) by Pedro Jimenez-Guerrero

AR by A. Mortier on behalf of the Authors (22 Sep 2020)

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Short summary

We present a multiparameter analysis of the aerosol trends over the last 2 decades in the different regions of the world. In most of the regions, ground-based observations show a decrease in aerosol content in both the total atmospheric column and at the surface. The use of climate models, assessed against these observations, reveals however an increase in the total aerosol load, which is not seen with the sole use of observation due to partial coverage in space and time.