Seasonal characteristics of fine particulate matter (PM) based on high-resolution time-of-flight aerosol mass spectrometric (HR-ToF-AMS) measurements at the HKUST Supersite  in Hong Kong

Li, Y. J.; Lee, B. P.; Su, L.; Fung, J. C. H.; Chan, C.K.

doi:https://doi.org/10.5194/acp-15-37-2015

Articles | Volume 15, issue 1

https://doi.org/10.5194/acp-15-37-2015

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

https://doi.org/10.5194/acp-15-37-2015

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

Articles | Volume 15, issue 1

Research article

|

07 Jan 2015

Research article |

| 07 Jan 2015

Seasonal characteristics of fine particulate matter (PM) based on high-resolution time-of-flight aerosol mass spectrometric (HR-ToF-AMS) measurements at the HKUST Supersite in Hong Kong

Y. J. Li, B. P. Lee, L. Su, J. C. H. Fung, and C.K. Chan

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Final revised paper (published on 07 Jan 2015)
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Preprint (discussion started on 08 Aug 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 C6591: 'Manuscript review', Anonymous Referee #3, 05 Sep 2014
RC C6596: 'Review manuscript Y.J. Li et al.', Anonymous Referee #1, 05 Sep 2014
RC C7411: 'Review', Anonymous Referee #2, 25 Sep 2014
AC C9105: 'Responses to reviewers', Li Yongjie, 12 Nov 2014

Peer-review completion

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

AR by Yongjie Li on behalf of the Authors (12 Nov 2014) Author's response Manuscript

ED: Reconsider after minor revisions (Editor review) (21 Nov 2014) by Barbara Ervens

AR by Yongjie Li on behalf of the Authors (22 Nov 2014) Author's response Manuscript

ED: Publish as is (24 Nov 2014) by Barbara Ervens

AR by Yongjie Li on behalf of the Authors (24 Nov 2014) Manuscript

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Short summary

(1) NR-PM1 at the HKUST Supersite was highly aged, with a high sulfate content and highly oxygenated organics. (2) Seasonal variation in NR-PM1 concentration was not obvious, but the relative fractions of different species showed strong seasonal dependence. (3) Both NR-PM1 concentrations and the relative fractions showed a strong dependence on air mass origin. (4) Both locally produced and regionally transported organic aerosols contribute to the organic content of PM at this site.