Constraining black carbon aerosol over Asia using OMI aerosol absorption optical depth and the adjoint of GEOS-Chem

Zhang, L.; Henze, D. K.; Grell, G. A.; Carmichael, G. R.; Bousserez, N.; Zhang, Q.; Torres, O.; Ahn, C.; Lu, Z.; Cao, J.; Mao, Y.

doi:https://doi.org/10.5194/acp-15-10281-2015

Articles | Volume 15, issue 18

https://doi.org/10.5194/acp-15-10281-2015

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

Special issue:

East Asia emissions assessment (EA2)

https://doi.org/10.5194/acp-15-10281-2015

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

Articles | Volume 15, issue 18

Research article

|

17 Sep 2015

Research article |

| 17 Sep 2015

Constraining black carbon aerosol over Asia using OMI aerosol absorption optical depth and the adjoint of GEOS-Chem

L. Zhang, D. K. Henze, G. A. Grell, G. R. Carmichael, N. Bousserez, Q. Zhang, O. Torres, C. Ahn, Z. Lu, J. Cao, and Y. Mao

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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 C10332: 'Review', Anonymous Referee #1, 19 Dec 2014
- AC C12370: 'Reply to anonymous referee #1', Daven Henze, 24 Feb 2015
RC C10482: 'Review of Zhang et al.', Anonymous Referee #2, 25 Dec 2014
- AC C12371: 'Reply to anonymous referee #2', Daven Henze, 24 Feb 2015

Peer-review completion

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

AR by Daven Henze on behalf of the Authors (24 Feb 2015) Author's response Manuscript

ED: Referee Nomination & Report Request started (24 Feb 2015) by Bryan N. Duncan

RR by Anonymous Referee #3 (24 Feb 2015)

ED: Reject (25 Feb 2015) by Bryan N. Duncan

ED: Reconsider after major revisions (21 May 2015) by Bryan N. Duncan

AR by Daven Henze on behalf of the Authors (21 May 2015) Author's response Manuscript

ED: Referee Nomination & Report Request started (22 May 2015) by Bryan N. Duncan

RR by Anonymous Referee #4 (15 Jun 2015)

RR by Anonymous Referee #5 (30 Jul 2015)

ED: Reconsider after major revisions (30 Jul 2015) by Bryan N. Duncan

AR by Daven Henze on behalf of the Authors (02 Sep 2015) Author's response Manuscript

ED: Publish as is (02 Sep 2015) by Bryan N. Duncan

AR by Daven Henze on behalf of the Authors (02 Sep 2015)

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Short summary

We attempt to reduce uncertainties in BC emissions and improve BC model simulations by developing top-down, spatially resolved, estimates of BC emissions through assimilation of OMI observations of aerosol absorption optical depth (AAOD) with the GEOS-Chem model and its adjoint for April and October of 2006. Despite the limitations and uncertainties, using OMI AAOD to constrain BC sources we are able to improve model representation of BC distributions, particularly over China.