Abstract
AbstractDeep-seafloor organisms consume oxygen, which can be measured by in situ benthic chamber experiments. Here we report such experiments at the polymetallic nodule-covered abyssal seafloor in the Pacific Ocean in which oxygen increased over two days to more than three times the background concentration, which from ex situ incubations we attribute to the polymetallic nodules. Given high voltage potentials (up to 0.95 V) on nodule surfaces, we hypothesize that seawater electrolysis may contribute to this dark oxygen production.
Funder
European Commission
RCUK | Natural Environment Research Council
The Metals Company Gordon and Betty Moore Foundation
The Metals Company
Publisher
Springer Science and Business Media LLC
Cited by
1 articles.
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