Articles | Volume 23, issue 19
https://doi.org/10.5194/bg-23-6915-2026
https://doi.org/10.5194/bg-23-6915-2026
Research article
 | 
06 Oct 2026
Research article |  | 06 Oct 2026

Summer oxygen dynamics in the bottom waters of a wide, temperate shelf sea

Xin Meng, Claire Mahaffey, Juliane Wihsgott, and Jonathan Sharples

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2026-3505', Anonymous Referee #1, 23 Jul 2026
    • AC1: 'Reply on RC1', Xin Meng, 24 Aug 2026
  • RC2: 'Comment on egusphere-2026-3505', Anonymous Referee #2, 28 Jul 2026
    • AC2: 'Reply on RC2', Xin Meng, 24 Aug 2026

Peer review completion

AR – Author's response | RR – Referee report | ED – Editor decision | EF – Editorial file upload
ED: Submit a revised manuscript (01 Sep 2026) by Emilio Marañón
AR by Xin Meng on behalf of the Authors (01 Sep 2026)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (03 Sep 2026) by Emilio Marañón
RR by Anonymous Referee #1 (09 Sep 2026)
RR by Anonymous Referee #2 (17 Sep 2026)
ED: Publish as is (17 Sep 2026) by Emilio Marañón
AR by Xin Meng on behalf of the Authors (18 Sep 2026)
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Short summary
Summer oxygen loss in Celtic Sea bottom waters was investigated using ship observations and an oxygen budget. Seasonal layering cuts deep water off from the air, while microbes breaking down organic matter consume most oxygen. Winds can mix oxygen downward, but warming may worsen oxygen loss by speeding microbial activity and lowering oxygen solubility. This could push parts of the shelf sea toward oxygen deficiency, with risks for seafloor life and ecosystem health.
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