2023
DOI: 10.5194/bg-20-405-2023
|View full text |Cite
|
Sign up to set email alerts
|

Tracing differences in iron supply to the Mid-Atlantic Ridge valley between hydrothermal vent sites: implications for the addition of iron to the deep ocean

Abstract: Abstract. Supply of iron (Fe) to the surface ocean supports primary productivity, and while hydrothermal input of Fe to the deep ocean is known to be extensive it remains poorly constrained. Global estimates of hydrothermal Fe supply rely on using dissolved Fe (dFe) to excess He (xs3He) ratios to upscale fluxes, but observational constraints on dFe/xs3He may be sensitive to assumptions linked to sampling and interpolation. We examined the variability in dFe/xs3He using two methods of estimation, for four vent … Show more

Help me understand this report
View preprint versions

Search citation statements

Order By: Relevance

Paper Sections

Select...
1

Citation Types

0
1
0

Year Published

2023
2023
2025
2025

Publication Types

Select...
4
1

Relationship

0
5

Authors

Journals

citations
Cited by 6 publications
(1 citation statement)
references
References 65 publications
0
1
0
Order By: Relevance
“…pyrite, chalcopyrite) is then gradually oxidized and forms insoluble Fe (III) oxyhydroxides species (FeOx) both under colloidal and particulate form (Lough et al, 2019;Cotte et al, 2020;Hoffman et al, 2020). Recent studies highlight the high proportion of colloidal DFe in hydrothermal plume at dozens to hundreds of kilometers from the vent (Tagliabue , 2022;Lough et al, 2023). However the persistence of DFe plumes at great distances from deep vents is often explained by its initial stabilization under an organic form (Sander and Koschinsky, 2011;Hawkes et al, 2013;Wang et al, 2021;Wang et al, 2022).…”
Section: The Role Of L Fehs In the Stabilization Of Hydrothermal Dfementioning
confidence: 99%
“…pyrite, chalcopyrite) is then gradually oxidized and forms insoluble Fe (III) oxyhydroxides species (FeOx) both under colloidal and particulate form (Lough et al, 2019;Cotte et al, 2020;Hoffman et al, 2020). Recent studies highlight the high proportion of colloidal DFe in hydrothermal plume at dozens to hundreds of kilometers from the vent (Tagliabue , 2022;Lough et al, 2023). However the persistence of DFe plumes at great distances from deep vents is often explained by its initial stabilization under an organic form (Sander and Koschinsky, 2011;Hawkes et al, 2013;Wang et al, 2021;Wang et al, 2022).…”
Section: The Role Of L Fehs In the Stabilization Of Hydrothermal Dfementioning
confidence: 99%