Articles | Volume 18, issue 11
Biogeosciences, 18, 3445–3465, 2021
https://doi.org/10.5194/bg-18-3445-2021
Biogeosciences, 18, 3445–3465, 2021
https://doi.org/10.5194/bg-18-3445-2021

Research article 10 Jun 2021

Research article | 10 Jun 2021

Mercury mobility, colloid formation and methylation in a polluted Fluvisol as affected by manure application and flooding–draining cycle

Lorenz Gfeller et al.

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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 bg-2020-466', Jan G. Wiederhold, 05 Mar 2021
    • AC1: 'Reply on RC1', Lorenz Gfeller, 13 Apr 2021
  • CC1: 'Comment on bg-2020-466', Amrika Deonarine, 16 Mar 2021
    • AC2: 'Reply on CC1', Lorenz Gfeller, 13 Apr 2021
  • RC2: 'Comment on bg-2020-466', Brett Poulin, 25 Mar 2021
    • AC3: 'Reply on RC2', Lorenz Gfeller, 13 Apr 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (22 Apr 2021) by Perran Cook
AR by Lorenz Gfeller on behalf of the Authors (23 Apr 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (25 Apr 2021) by Perran Cook
RR by Brett Poulin (30 Apr 2021)
ED: Publish subject to technical corrections (02 May 2021) by Perran Cook
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Short summary
Our incubation experiment shows that flooding of polluted floodplain soils may induce pulses of both mercury (Hg) and methylmercury to the soil solution and threaten downstream ecosystems. We demonstrate that mobilization of Hg bound to manganese oxides is a relevant process in organic-matter-poor soils. Addition of organic amendments accelerates this mobilization but also facilitates the formation of nanoparticulate Hg and the subsequent fixation of Hg from soil solution to the soil.
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