Radiative forcing and climate response to projected 21st century aerosol decreases

Westervelt, D. M.; Horowitz, L. W.; Naik, V.; Golaz, J.-C.; Mauzerall, D. L.

doi:https://doi.org/10.5194/acp-15-12681-2015

Articles | Volume 15, issue 22

https://doi.org/10.5194/acp-15-12681-2015

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

https://doi.org/10.5194/acp-15-12681-2015

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

Articles | Volume 15, issue 22

Research article

|

16 Nov 2015

Research article |

| 16 Nov 2015

Radiative forcing and climate response to projected 21st century aerosol decreases

D. M. Westervelt, L. W. Horowitz, V. Naik, J.-C. Golaz, and D. L. Mauzerall

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Final revised paper (published on 16 Nov 2015)
Supplement to the final revised paper
Preprint (discussion started on 27 Mar 2015)
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Interactive discussion

Status: closed

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

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RC C1317: 'review', Anonymous Referee #1, 05 Apr 2015
RC C1848: 'Review of Westervelt et al.', Anonymous Referee #2, 23 Apr 2015
- SC C2143: 'a response to the reviewer's major points', Daniel Westervelt, 30 Apr 2015
  - RC C2320: 'Further points', Anonymous Referee #2, 06 May 2015
- EC C2149: 'regarding nitrate aerosols and impact on climate', Kostas Tsigaridis, 30 Apr 2015
RC C3430: 'Review of D. M. Westervelt et al. (acp-2015-140).', Anonymous Referee #3, 10 Jun 2015
AC C8952: 'Response to anonymous referees 1, 2, and 3', Daniel Westervelt, 04 Nov 2015

Peer-review completion

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

AR by Daniel Westervelt on behalf of the Authors (04 Nov 2015) Manuscript

ED: Publish as is (06 Nov 2015) by Kostas Tsigaridis

AR by Daniel Westervelt on behalf of the Authors (06 Nov 2015)

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Short summary

Decreases in aerosols over the 21st century as projected by the Representative Concentration Pathways (RCPs) lead to increases up to 0.5 - 1 ºC in global temperature and up to 0.05 - 0.1 mm/day in global precipitation, depending strongly on present-day aerosol radiative forcing. In East Asia, future aerosol decreases could be responsible for 10-20% of the total temperature increase (30-40% with strong present-day aerosol forcing), even under the high greenhouse gas emissions scenario (RCP8.5).