The stability of Fe-isotope signatures during low salinity mixing in subarctic estuaries

We have studied iron (Fe)-isotope signals in particles (> 0.22 µm) and the dissolved phase (56Fe values than in the estuaries. Our data indicate the flocculation of the negative Fe-isotope signal in a low salinity environment, due to changes in the ionic strength and further the increase of pH.

Bibliographic Details
Published in:Aquatic Geochemistry
Main Authors: Conrad, S, Wuttig, K, Jansen, N, Rodushkin, I, Ingri, J
Format: Article in Journal/Newspaper
Language:English
Published: Kluwer Academic Publ 2019
Subjects:
Fe-isotopes
Fe geochemistry
dissolved and particulate Fe
organically complexed Fe
Fe(oxy)hydroxides
salinity gradient
spring flood
Subarctic
Online Access:https://eprints.utas.edu.au/43726/
https://eprints.utas.edu.au/43726/1/136992%20-%20The%20stability%20of%20Fe-isotope%20signatures%20during%20low%20salinity%20mixing.pdf
Description
Summary:We have studied iron (Fe)-isotope signals in particles (> 0.22 µm) and the dissolved phase (56Fe values than in the estuaries. Our data indicate the flocculation of the negative Fe-isotope signal in a low salinity environment, due to changes in the ionic strength and further the increase of pH.

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