MACv2-SP: a parameterization of anthropogenic aerosol optical properties and an associated Twomey effect for use in CMIP6

Stevens, Bjorn; Fiedler, Stephanie; Kinne, Stefan; Peters, Karsten; Rast, Sebastian; Müsse, Jobst; Smith, Steven J.; Mauritsen, Thorsten

doi:https://doi.org/10.5194/gmd-10-433-2017

Articles | Volume 10, issue 1

https://doi.org/10.5194/gmd-10-433-2017

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

Special issue:

https://doi.org/10.5194/gmd-10-433-2017

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

Articles | Volume 10, issue 1

Development and technical paper

|

01 Feb 2017

Development and technical paper |

| 01 Feb 2017

MACv2-SP: a parameterization of anthropogenic aerosol optical properties and an associated Twomey effect for use in CMIP6

Bjorn Stevens, Stephanie Fiedler, Stefan Kinne, Karsten Peters, Sebastian Rast, Jobst Müsse, Steven J. Smith, and Thorsten Mauritsen

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Final revised paper (published on 01 Feb 2017)
Supplement to the final revised paper
Preprint (discussion started on 01 Aug 2016)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

SC1: 'Executive Editor Comment on "Simple Plumes: A parameterization of anthropogenic aerosol optical properties and an associated Twomey effect for climate studies"', Astrid Kerkweg, 08 Aug 2016
SC2: 'Executive Editor Comment on "Simple Plumes: A parameterization of anthropogenic aerosol optical properties and an associated Twomey effect for climate studies"', Astrid Kerkweg, 11 Aug 2016
RC1: 'Review of Simple Plumes: A parameterization of anthropogenic aerosol optical properties and an associated Twomey effect for climate studies', Anonymous Referee #1, 30 Aug 2016
RC2: 'Review of Stevens et al.', Anonymous Referee #2, 30 Aug 2016
RC3: 'Good and useful but improved description of limitations and equations needed', Anonymous Referee #3, 31 Aug 2016
AC1: 'Author's Response to Reviews and Comments', Bjorn Stevens, 25 Oct 2016

Peer-review completion

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

AR by Bjorn Stevens on behalf of the Authors (18 Nov 2016) Manuscript

ED: Publish as is (07 Dec 2016) by Jason Williams

AR by Bjorn Stevens on behalf of the Authors (29 Dec 2016)

Short summary

A simple analytic description of aerosol optical properties and their main effects on clouds is developed and described. The analytic description is easy to use and easy to modify and should aid experimentation to help understand how aerosol radiative and cloud interactions effect climate and circulation. The climatology is recommended for adoption by models participating in the sixth phase of the Coupled Model Intercomparison Project.