A multi-year study of lower tropospheric aerosol variability and systematic relationships from four North American regions

Sherman, J. P.; Sheridan, P. J.; Ogren, J. A.; Andrews, E.; Hageman, D.; Schmeisser, L.; Jefferson, A.; Sharma, S.

doi:https://doi.org/10.5194/acp-15-12487-2015

Articles | Volume 15, issue 21

https://doi.org/10.5194/acp-15-12487-2015

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

Special issue:

Monitoring atmospheric composition and climate, research in...

https://doi.org/10.5194/acp-15-12487-2015

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

Articles | Volume 15, issue 21

Research article

|

10 Nov 2015

Research article |

| 10 Nov 2015

A multi-year study of lower tropospheric aerosol variability and systematic relationships from four North American regions

J. P. Sherman, P. J. Sheridan, J. A. Ogren, E. Andrews, D. Hageman, L. Schmeisser, A. Jefferson, and S. Sharma

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Final revised paper (published on 10 Nov 2015)
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Preprint (discussion started on 28 Oct 2014)
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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 C10351: 'Comments on:', Anonymous Referee #1, 19 Dec 2014
- AC C13314: 'Authors' response to reviewer 1', James Sherman, 04 Jun 2015
RC C12308: 'A multi-year study of lower tropospheric aerosol variability and systematic relationships from four North American regions', Anonymous Referee #2, 18 Feb 2015
- AC C13315: 'Authors's reply to reviewer 2', James Sherman, 04 Jun 2015

Peer-review completion

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

AR by James Sherman on behalf of the Authors (14 Jul 2015) Author's response Manuscript

ED: Referee Nomination & Report Request started (20 Aug 2015) by Paolo Laj

RR by Anonymous Referee #2 (31 Aug 2015)

ED: Reconsider after minor revisions (Editor review) (06 Sep 2015) by Paolo Laj

AR by James Sherman on behalf of the Authors (16 Oct 2015) Author's response Manuscript

ED: Publish as is (23 Oct 2015) by Paolo Laj

AR by James Sherman on behalf of the Authors (28 Oct 2015)

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Short summary

Variability in aerosol optical properties relevant to radiative forcing were studied on several timescales at four continental North American NOAA-ESRL sites. Light scattering and intensive properties varied most on seasonal scales while absorption variability on weekly and diurnal timescales was comparable to its seasonal variability. Large reductions in light scattering were observed at the two long-term sites (relative to late 1990s), along with a smaller contribution by sub-1µm particles.