Assessment of long-term WRF–CMAQ simulations for understanding direct aerosol effects on radiation "brightening" in the United States

Gan, C.-M.; Pleim, J.; Mathur, R.; Hogrefe, C.; Long, C. N.; Xing, J.; Wong, D.; Gilliam, R.; Wei, C.

doi:https://doi.org/10.5194/acp-15-12193-2015

Articles | Volume 15, issue 21

https://doi.org/10.5194/acp-15-12193-2015

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

https://doi.org/10.5194/acp-15-12193-2015

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

Articles | Volume 15, issue 21

Research article

|

03 Nov 2015

Research article |

| 03 Nov 2015

Assessment of long-term WRF–CMAQ simulations for understanding direct aerosol effects on radiation "brightening" in the United States

C.-M. Gan, J. Pleim, R. Mathur, C. Hogrefe, C. N. Long, J. Xing, D. Wong, R. Gilliam, and C. Wei

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Final revised paper (published on 03 Nov 2015)
Preprint (discussion started on 01 Jul 2015)

Interactive discussion

Status: closed

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

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RC C5307: 'Referee report on "Assessment of multi-decadal WRF-CMAQ simulations for understanding direct aerosol effects on radiation "brightening" in the United States" C. M. Gan et al.', Anonymous Referee #1, 28 Jul 2015
- AC C6991: 'reply for 1st reviewer', Chuen Meei Gan, 18 Sep 2015
RC C5795: 'Reivew of "ACP-2015-351, “Assessment of multi-decadal WRF-CMAQ simulations for understanding direct aerosol effects on radiation “brightening” in the United States” by Gan et al.', Anonymous Referee #2, 10 Aug 2015
- AC C6998: 'reply for 2nd reviewer', Chuen Meei Gan, 18 Sep 2015

Peer-review completion

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

AR by Chuen Meei Gan on behalf of the Authors (18 Sep 2015) Author's response Manuscript

ED: Referee Nomination & Report Request started (23 Sep 2015) by Johannes Quaas

RR by Anonymous Referee #1 (28 Sep 2015)

ED: Reconsider after minor revisions (Editor review) (09 Oct 2015) by Johannes Quaas

AR by Chuen Meei Gan on behalf of the Authors (20 Oct 2015) Author's response Manuscript

ED: Publish as is (23 Oct 2015) by Johannes Quaas

AR by Chuen Meei Gan on behalf of the Authors (23 Oct 2015)

Short summary

This study attempts to determine the consequences of the changes in tropospheric aerosol burden arising from substantial reductions in emissions of SO2 and NOx associated with control measures under the Clean Air Act especially on trends in solar radiation. Comparisons of model results with observations of aerosol optical depth, aerosol concentration, and radiation demonstrate that the coupled WRF-CMAQ model is capable of replicating the trends well even though it tends to underestimate the AOD.