Three years of measurements of light-absorbing aerosols over coastal Namibia: seasonality, origin, and transport

Formenti, Paola; Piketh, Stuart John; Namwoonde, Andreas; Klopper, Danitza; Burger, Roelof; Cazaunau, Mathieu; Feron, Anaïs; Gaimoz, Cécile; Broccardo, Stephen; Walton, Nicola; Desboeufs, Karine; Siour, Guillaume; Hanghome, Mattheus; Mafwila, Samuel; Omoregie, Edosa; Junkermann, Wolfgang; Maenhaut, Willy

doi:https://doi.org/10.5194/acp-18-17003-2018

Articles | Volume 18, issue 23

https://doi.org/10.5194/acp-18-17003-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

New observations and related modelling studies of the aerosol–cloud–climate...

https://doi.org/10.5194/acp-18-17003-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 18, issue 23

Research article

|

30 Nov 2018

Research article |

| 30 Nov 2018

Three years of measurements of light-absorbing aerosols over coastal Namibia: seasonality, origin, and transport

Paola Formenti, Stuart John Piketh, Andreas Namwoonde, Danitza Klopper, Roelof Burger, Mathieu Cazaunau, Anaïs Feron, Cécile Gaimoz, Stephen Broccardo, Nicola Walton, Karine Desboeufs, Guillaume Siour, Mattheus Hanghome, Samuel Mafwila, Edosa Omoregie, Wolfgang Junkermann, and Willy Maenhaut

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Interactive discussion

Status: closed

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

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RC1: 'review of formenti et al.', Anonymous Referee #1, 23 Jun 2017
RC2: 'Review of Formenti et al.: Three years of measurements...', Anonymous Referee #2, 09 Aug 2017
RC3: 'Review Formenti et al.', Anonymous Referee #3, 10 Aug 2017
AC1: 'Answer to reviews for ms acp-2017-471', Paola Formenti, 12 Nov 2018

Peer-review completion

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

AR by Paola Formenti on behalf of the Authors (12 Nov 2018) Author's response Manuscript

ED: Publish subject to technical corrections (14 Nov 2018) by Andreas Petzold

AR by Paola Formenti on behalf of the Authors (21 Nov 2018) Author's response Manuscript

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Short summary

Three-years of continuous measurements at the Henties Bay Aerosol Observatory (HBAO; 22°S, 14°05’E), Namibia, show that during the austral wintertime, long- and medium-range transport of pollution from biomass and fossil fuel burning give rise to peaks of light-absorbing black carbon aerosols into the marine boundary layer ahead of the main biomass burning season. This could affect the cloud properties.