Articles | Volume 17, issue 2
https://doi.org/10.5194/bg-17-331-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-331-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Jan 2020
Research article |
| 22 Jan 2020
| 22 Jan 2020
Organic iron complexes enhance iron transport capacity along estuarine salinity gradients of Baltic estuaries
Simon David Herzog
CORRESPONDING AUTHOR
Department of Science and Environment, Roskilde University, 4000
Roskilde, Denmark
Per Persson
Centre for Environmental and Climate Research, Department of
Biology, Lund University, 223 62, Lund, Sweden
Kristina Kvashnina
The European Synchrotron, CS40220, 38043 Grenoble CEDEX 9, France
Helmholtz Zentrum Dresden-Rossendorf (HZDR), Institute of Resource
Ecology, P.O. Box 510119, 01314, Dresden, Germany
Emma Sofia Kritzberg
Aquatic Ecology, Department of Biology, Lund University, 223 62,
Lund, Sweden
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26 citations as recorded by crossref.
- Differential Trends in Iron Concentrations of Boreal Streams Linked to Catchment Characteristics M. Škerlep et al. 10.1029/2022GB007484
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- The contrasting origins of glauconite in the shallow marine environment highlight this mineral as a marker of paleoenvironmental conditions N. Tribovillard et al. 10.5802/crgeos.170
- The lake as an iron sink - new insights on the role of iron speciation C. Björnerås et al. 10.1016/j.chemgeo.2021.120529
- Geochemical fingerprinting to determine sediment source contribution and improve contamination assessment in mining-impacted floodplains in the Philippines J. Domingo et al. 10.1016/j.apgeochem.2023.105808
- Revisiting shallow glauconite factories: intertwined fates of glauconite and iron N. Tribovillard 10.5802/crgeos.274
- Geochemical factors governing vanadium speciation and mobilisation in technosol eco-engineered from bauxite residue under field conditions N. Saha et al. 10.1016/j.jhazmat.2025.138920
- Association between Legionella species and humic substances during early summer in the northern Baltic Sea K. Eriksson et al. 10.3389/fmars.2022.1070341
- Assessment of heavy metal pollution in Köyceğiz-Dalyan coastal lagoon watershed (Muğla) SW Turkey Ş. Arslan & Ö. Avşar 10.1007/s12517-020-05690-3
- Seasonal Changes in Hydrology and Permafrost Degradation Control Mineral Element‐Bound DOC Transport From Permafrost Soils to Streams C. Hirst et al. 10.1029/2021GB007105
- Coupling of iron and dissolved organic matter in lakes–selective retention of different size fractions G. Riise et al. 10.1007/s00027-023-00956-w
- Spruce forest afforestation leading to increased Fe mobilization from soils M. Škerlep et al. 10.1007/s10533-021-00874-9
- Towards the identification of humic ligands associated with iron transport through a salinity gradient K. Heerah & H. Reader 10.1038/s41598-022-19618-2
- Rain-fed streams dilute inorganic nutrients but subsidise organic-matter-associated nutrients in coastal waters of the northeast Pacific Ocean K. St. Pierre et al. 10.5194/bg-18-3029-2021
- Thickness of peat influences the leaching of substances and greenhouse gas emissions from a cultivated organic soil M. Yli-Halla et al. 10.1016/j.scitotenv.2021.150499
- Manganese cycling and transport in boreal estuaries impacted by acidic Mn-rich drainage C. Yu et al. 10.1016/j.gca.2023.12.004
- Northern High-Latitude Organic Soils As a Vital Source of River-Borne Dissolved Iron to the Ocean R. Krachler & R. Krachler 10.1021/acs.est.1c01439
- Salt‐Induced Flocculation of Dissolved Organic Matter and Iron Is Controlled by Their Concentration and Ratio in Boreal Coastal Systems C. Khoo et al. 10.1029/2022JG006844
- Distinct drivers of two size fractions of operationally dissolved iron in a temperate river L. Logozzo et al. 10.1002/lno.12338
- Characterization of Iron and Organic Carbon Colloids in Boreal Rivers and Their Fate at High Salinity S. Herzog et al. 10.1029/2019JG005517
- Particles as carriers of matter in the aquatic environment: Challenges and ways ahead for transdisciplinary research A. Thit et al. 10.1016/j.scitotenv.2022.155831
- Upstream land use with microbial downstream consequences: Iron and humic substances link to Legionella spp. J. Ahlinder et al. 10.1016/j.watres.2024.121579
- Ammonium removal through anaerobic ammonium oxidation coupled to iron(III) reduction along the Yangtze river–estuary continuum A. Lai et al. 10.1016/j.jes.2024.05.006
- Simulated Sea Level Rise in Coastal Peat Soils Stimulates Mercury Methylation B. Cook et al. 10.1021/acsearthspacechem.4c00124
- Organic Carbon Sequestration by Secondary Fe–Mn Complex Minerals via the Anoxic Redox Reaction of Fe(II) and Birnessite S. Hu et al. 10.1021/acs.est.4c12756
- Spring flood induced shifts in Fe speciation and fate at increased salinity S. Herzog et al. 10.1016/j.apgeochem.2019.104385
25 citations as recorded by crossref.
- Differential Trends in Iron Concentrations of Boreal Streams Linked to Catchment Characteristics M. Škerlep et al. 10.1029/2022GB007484
- Iron as a precursor of aggregation and vector of organic carbon to sediments in a boreal lake S. Herzog et al. 10.1007/s10533-024-01184-6
- The contrasting origins of glauconite in the shallow marine environment highlight this mineral as a marker of paleoenvironmental conditions N. Tribovillard et al. 10.5802/crgeos.170
- The lake as an iron sink - new insights on the role of iron speciation C. Björnerås et al. 10.1016/j.chemgeo.2021.120529
- Geochemical fingerprinting to determine sediment source contribution and improve contamination assessment in mining-impacted floodplains in the Philippines J. Domingo et al. 10.1016/j.apgeochem.2023.105808
- Revisiting shallow glauconite factories: intertwined fates of glauconite and iron N. Tribovillard 10.5802/crgeos.274
- Geochemical factors governing vanadium speciation and mobilisation in technosol eco-engineered from bauxite residue under field conditions N. Saha et al. 10.1016/j.jhazmat.2025.138920
- Association between Legionella species and humic substances during early summer in the northern Baltic Sea K. Eriksson et al. 10.3389/fmars.2022.1070341
- Assessment of heavy metal pollution in Köyceğiz-Dalyan coastal lagoon watershed (Muğla) SW Turkey Ş. Arslan & Ö. Avşar 10.1007/s12517-020-05690-3
- Seasonal Changes in Hydrology and Permafrost Degradation Control Mineral Element‐Bound DOC Transport From Permafrost Soils to Streams C. Hirst et al. 10.1029/2021GB007105
- Coupling of iron and dissolved organic matter in lakes–selective retention of different size fractions G. Riise et al. 10.1007/s00027-023-00956-w
- Spruce forest afforestation leading to increased Fe mobilization from soils M. Škerlep et al. 10.1007/s10533-021-00874-9
- Towards the identification of humic ligands associated with iron transport through a salinity gradient K. Heerah & H. Reader 10.1038/s41598-022-19618-2
- Rain-fed streams dilute inorganic nutrients but subsidise organic-matter-associated nutrients in coastal waters of the northeast Pacific Ocean K. St. Pierre et al. 10.5194/bg-18-3029-2021
- Thickness of peat influences the leaching of substances and greenhouse gas emissions from a cultivated organic soil M. Yli-Halla et al. 10.1016/j.scitotenv.2021.150499
- Manganese cycling and transport in boreal estuaries impacted by acidic Mn-rich drainage C. Yu et al. 10.1016/j.gca.2023.12.004
- Northern High-Latitude Organic Soils As a Vital Source of River-Borne Dissolved Iron to the Ocean R. Krachler & R. Krachler 10.1021/acs.est.1c01439
- Salt‐Induced Flocculation of Dissolved Organic Matter and Iron Is Controlled by Their Concentration and Ratio in Boreal Coastal Systems C. Khoo et al. 10.1029/2022JG006844
- Distinct drivers of two size fractions of operationally dissolved iron in a temperate river L. Logozzo et al. 10.1002/lno.12338
- Characterization of Iron and Organic Carbon Colloids in Boreal Rivers and Their Fate at High Salinity S. Herzog et al. 10.1029/2019JG005517
- Particles as carriers of matter in the aquatic environment: Challenges and ways ahead for transdisciplinary research A. Thit et al. 10.1016/j.scitotenv.2022.155831
- Upstream land use with microbial downstream consequences: Iron and humic substances link to Legionella spp. J. Ahlinder et al. 10.1016/j.watres.2024.121579
- Ammonium removal through anaerobic ammonium oxidation coupled to iron(III) reduction along the Yangtze river–estuary continuum A. Lai et al. 10.1016/j.jes.2024.05.006
- Simulated Sea Level Rise in Coastal Peat Soils Stimulates Mercury Methylation B. Cook et al. 10.1021/acsearthspacechem.4c00124
- Organic Carbon Sequestration by Secondary Fe–Mn Complex Minerals via the Anoxic Redox Reaction of Fe(II) and Birnessite S. Hu et al. 10.1021/acs.est.4c12756
1 citations as recorded by crossref.
Latest update: 25 Jul 2025
Short summary
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.
Fe concentrations in boreal rivers are increasing strongly in several regions in Northern...
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