Statistical exploration of gaseous elemental mercury (GEM) measured at Cape Point from 2007 to 2011

Venter, A. D.; Beukes, J. P.; van Zyl, P. G.; Brunke, E.-G.; Labuschagne, C.; Slemr, F.; Ebinghaus, R.; Kock, H.

doi:https://doi.org/10.5194/acp-15-10271-2015

Articles | Volume 15, issue 18

https://doi.org/10.5194/acp-15-10271-2015

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

https://doi.org/10.5194/acp-15-10271-2015

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

Articles | Volume 15, issue 18

Research article

|

16 Sep 2015

Research article |

| 16 Sep 2015

Statistical exploration of gaseous elemental mercury (GEM) measured at Cape Point from 2007 to 2011

A. D. Venter, J. P. Beukes, P. G. van Zyl, E.-G. Brunke, C. Labuschagne, F. Slemr, R. Ebinghaus, and H. Kock

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Final revised paper (published on 16 Sep 2015)
Preprint (discussion started on 12 Feb 2015)

Interactive discussion

Status: closed

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

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RC C555: 'review', Anonymous Referee #1, 05 Mar 2015
SC C1048: 'cluster analysis, multiple linear regression,', Basil Denzler, 24 Mar 2015
RC C2211: 'Referee's comments', Anonymous Referee #2, 04 May 2015
AC C3530: 'Author Final Response', Pieter van Zyl, 12 Jun 2015

Peer-review completion

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

AR by Pieter van Zyl on behalf of the Authors (12 Jun 2015) Manuscript

ED: Publish as is (26 Aug 2015) by Carlo Barbante

AR by Pieter van Zyl on behalf of the Authors (03 Sep 2015)

Short summary

Statistical techniques applied to continuous high-resolution Hg data and back-trajectory analyses showed lower GEM concentrations originating from the sparsely populated semi-arid interior of SA and the marine environment, whereas higher GEM concentrations coincided with trade routes and industrial activities along the coast. Multi-linear regression indicated the relation of GEM with other atmospheric parameters. Measured and MLR data confirm a decline in GEM concentrations at CPT GAW station.