Observations of relative humidity effects on aerosol light scattering in the Yangtze River Delta of China

Zhang, L.; Sun, J. Y.; Shen, X. J.; Zhang, Y. M.; Che, H.; Ma, Q. L.; Zhang, Y. W.; Zhang, X. Y.; Ogren, J. A.

doi:https://doi.org/10.5194/acp-15-8439-2015

Articles | Volume 15, issue 14

https://doi.org/10.5194/acp-15-8439-2015

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

https://doi.org/10.5194/acp-15-8439-2015

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

Articles | Volume 15, issue 14

Research article

|

28 Jul 2015

Research article |

| 28 Jul 2015

Observations of relative humidity effects on aerosol light scattering in the Yangtze River Delta of China

L. Zhang, J. Y. Sun, X. J. Shen, Y. M. Zhang, H. Che, Q. L. Ma, Y. W. Zhang, X. Y. Zhang, and J. A. Ogren

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Final revised paper (published on 28 Jul 2015)
Preprint (discussion started on 29 Jan 2015)

Interactive discussion

Status: closed

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

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- Supplement

RC C406: 'Review of ''Observations of relative humidity effects on aerosol light scattering in the Yangtze River Delta of China'' by Zhang et al., 2015.', Anonymous Referee #1, 26 Feb 2015
- AC C2282: 'Response to Comments from Referee #1', Lu Zhang, 06 May 2015
RC C1209: 'review #2', Anonymous Referee #2, 30 Mar 2015
- AC C2270: 'Response to Referee #2', Lu Zhang, 06 May 2015

Peer-review completion

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

AR by Lu Zhang on behalf of the Authors (06 May 2015) Author's response Manuscript

ED: Referee Nomination & Report Request started (23 May 2015) by Urs Baltensperger

RR by Anonymous Referee #1 (02 Jun 2015)

RR by Anonymous Referee #2 (05 Jun 2015)

ED: Reconsider after minor revisions (Editor review) (17 Jun 2015) by Urs Baltensperger

AR by Lu Zhang on behalf of the Authors (26 Jun 2015) Author's response Manuscript

ED: Publish as is (09 Jul 2015) by Urs Baltensperger

AR by Lu Zhang on behalf of the Authors (09 Jul 2015) Manuscript

Short summary

The aerosol hygroscopic properties at a rural background site in the Yangtze River delta of China was discussed. The results show the scattering coefficient and backscattering coefficient increased by 58 and 25% as relative humidity (RH) increased from 40 to 85%, while the hemispheric backscatter fraction decreased by 21%. Aerosol hygroscopic growth caused a 47% increase in calculated aerosol direct radiative forcing at 85% RH compared to the forcing at 40% RH. Nitrate played a vital role.