New evidence for atmospheric mercury transformations in the marine boundary layer from stable mercury isotopes

Yu, Ben; Yang, Lin; Wang, Linlin; Liu, Hongwei; Xiao, Cailing; Liang, Yong; Liu, Qian; Yin, Yongguang; Hu, Ligang; Shi, Jianbo; Jiang, Guibin

doi:https://doi.org/10.5194/acp-20-9713-2020

Articles | Volume 20, issue 16

https://doi.org/10.5194/acp-20-9713-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-9713-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 16

Research article

|

19 Aug 2020

Research article |

| 19 Aug 2020

New evidence for atmospheric mercury transformations in the marine boundary layer from stable mercury isotopes

Ben Yu, Lin Yang, Linlin Wang, Hongwei Liu, Cailing Xiao, Yong Liang, Qian Liu, Yongguang Yin, Ligang Hu, Jianbo Shi, and Guibin Jiang

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Final revised paper (published on 19 Aug 2020)
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Preprint (discussion started on 06 May 2020)
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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: 'Interactive comment on “Atmospheric mercury in the southern hemisphere –…” by B. Yu et al.', Anonymous Referee #1, 27 May 2020
- AC1: 'Responses to referee #1', Ben Yu, 04 Jun 2020
RC2: 'Interactive comment on “New evidence for atmospheric mercury transformations in the marine boundary layer” by Ben Yu et al.', Anonymous Referee #2, 03 Jun 2020
- AC2: 'Responses to referee #2', Ben Yu, 05 Jun 2020

Peer-review completion

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

AR by Ben Yu on behalf of the Authors (05 Jul 2020) Author's response Manuscript

ED: Publish as is (11 Jul 2020) by Leiming Zhang

AR by Ben Yu on behalf of the Authors (13 Jul 2020)

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Short summary

We found that Br atoms in the marine boundary layer are the most probable oxidizer that transform gaseous elemental mercury into gaseous oxidized mercury, according to the mercury isotopes in the total gaseous mercury. On the other hand, Br or Cl atoms are not the primary oxidizers that produced oxidized mercury on particles. This study showed that mercury isotopes can provide new evidence that help us to fully understand the transformations of atmospheric mercury.