Simulating the spread of disinfection by-products and anthropogenic bromoform emissions from ballast water discharge in Southeast Asia

Maas, Josefine; Tegtmeier, Susann; Quack, Birgit; Biastoch, Arne; Durgadoo, Jonathan V.; Rühs, Siren; Gollasch, Stephan; David, Matej

doi:https://doi.org/10.5194/os-15-891-2019

Articles | Volume 15, issue 4

https://doi.org/10.5194/os-15-891-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Shipping and the Environment – From Regional to Global...

https://doi.org/10.5194/os-15-891-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 4

Research article

|

11 Jul 2019

Research article |

| 11 Jul 2019

Simulating the spread of disinfection by-products and anthropogenic bromoform emissions from ballast water discharge in Southeast Asia

Josefine Maas, Susann Tegtmeier, Birgit Quack, Arne Biastoch, Jonathan V. Durgadoo, Siren Rühs, Stephan Gollasch, and Matej David

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Final revised paper (published on 11 Jul 2019)
Supplement to the final revised paper
Preprint (discussion started on 02 Jan 2019)
Supplement to the preprint

Interactive discussion

Status: closed

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

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RC1: 'Review of OS manuscript of Maas et al', Anonymous Referee #1, 11 Mar 2019
- AC1: 'Author comment on the manuscript', Josefine Maas, 20 May 2019
RC2: 'Review', Anonymous Referee #2, 08 Apr 2019
- AC1: 'Author comment on the manuscript', Josefine Maas, 20 May 2019

Peer-review completion

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

AR by Josefine Maas on behalf of the Authors (21 May 2019) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (29 May 2019) by David Turner

AR by Josefine Maas on behalf of the Authors (08 Jun 2019) Author's response Manuscript

ED: Publish as is (11 Jun 2019) by David Turner

AR by Josefine Maas on behalf of the Authors (19 Jun 2019) Manuscript

Short summary

In a large-scale analysis, the spread of disinfection by-products from oxidative ballast water treatment is investigated, with a focus on Southeast Asia where major ports are located. Halogenated compounds such as bromoform (CHBr₃) are produced in the ballast water and, once emitted into the environment, can participate in ozone depletion. Anthropogenic bromoform is rapidly emitted into the atmosphere and can locally double around large ports. A large-scale impact cannot be found.