Articles | Volume 17, issue 2
Biogeosciences, 17, 331–344, 2020
https://doi.org/10.5194/bg-17-331-2020
Biogeosciences, 17, 331–344, 2020
https://doi.org/10.5194/bg-17-331-2020

Research article 22 Jan 2020

Research article | 22 Jan 2020

Organic iron complexes enhance iron transport capacity along estuarine salinity gradients of Baltic estuaries

Simon David Herzog et al.

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Cited articles

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Andersson, K., Dahlqvist, R., Turner, D., Stolpe, B., Larsson, T., Ingri, J., and Andersson, P.: Colloidal rare earth elements in a boreal river: changing sources and distributions during the spring flood, Geochim. Cosmochim. Ac., 70, 3261–3274, 2006. 
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Bordas, F. and Bourg, A. C.: A critical evaluation of sample pretreatment for storage of contaminated sediments to be investigated for the potential mobility of their heavy metal load, Water Air Soil Poll., 103, 137–149, 1998. 
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Fe concentrations in boreal rivers are increasing strongly in several regions in Northern Europe. This study focuses on how Fe speciation and interaction with organic matter affect stability of Fe across estuarine salinity gradients. The results confirm a positive relationship between the relative contribution of organically complexed Fe and stability. Moreover, organically complexed Fe was more prevalent at high flow conditions and more dominant further upstream in a catchment.
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