Articles | Volume 19, issue 5
Biogeosciences, 19, 1421–1434, 2022
https://doi.org/10.5194/bg-19-1421-2022
Biogeosciences, 19, 1421–1434, 2022
https://doi.org/10.5194/bg-19-1421-2022
Ideas and perspectives
 | Highlight paper
09 Mar 2022
Ideas and perspectives  | Highlight paper | 09 Mar 2022

Ideas and perspectives: Sea-level change, anaerobic methane oxidation, and the glacial–interglacial phosphorus cycle

Bjorn Sundby et al.

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Cited articles

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Anschutz, P. and Deborde, J.: Spectrophotometric determination of phosphate in matrices from sequential leaching of sediments, Limnol. Oceanogr.-Meth., 14, 245–256, 2016. 
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Archer, D.: Methane hydrate stability and anthropogenic climate change, Biogeosciences, 4, 521–544, https://doi.org/10.5194/bg-4-521-2007, 2007. 
Archer, D., Winguth, A., Lea, D., and Mahowald, N.: What caused the glacial/interglacial atmospheric pCO2 cycles?, Rev. Geophys., 38, 159–189, 2000. 
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Short summary
A glacial–interglacial methane-fuelled redistribution of reactive phosphorus between the oceanic and sedimentary phosphorus reservoirs can occur in the ocean when falling sea level lowers the pressure on the seafloor, destabilizes methane hydrates, and triggers the dissolution of P-bearing iron oxides. The mass of phosphate potentially mobilizable from the sediment is similar to the size of the current oceanic reservoir. Hence, this process may play a major role in the marine phosphorus cycle.
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