Articles | Volume 18, issue 11
https://doi.org/10.5194/bg-18-3409-2021
© Author(s) 2021. 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-18-3409-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Technical note
| 
07 Jun 2021
Technical note |
| 07 Jun 2021
| 07 Jun 2021
Technical note: Uncovering the influence of methodological variations on the extractability of iron-bound organic carbon
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT,
UK
current address: School of GeoSciences, University of Edinburgh, EH9 3FE, UK
Johan C. Faust
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT,
UK
Oliver W. Moore
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT,
UK
Caroline L. Peacock
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT,
UK
Christian März
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT,
UK
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Cited
22 citations as recorded by crossref.
- A modified dithionite reduction method for the quantification of iron-bound organic carbon in marine sediments K. Li et al. https://doi.org/10.1016/j.marchem.2024.104428
- Temperature effects on soil mineral-protected organic carbon are regulated by lithology in humid subtropical forests L. Tang et al. https://doi.org/10.1016/j.catena.2025.108772
- Parent material in controlling mineral-associated organic carbon formation pathways: A mineral sieve mechanism R. Jiang et al. https://doi.org/10.1016/j.apsoil.2026.107264
- Conception of an Optimized Sequential Extraction Protocol for Studying Phosphorus Mobility in the Sediments from a Tropical Lagoon Estuary H. Abbas et al. https://doi.org/10.4236/ojapps.2025.1510218
- Soil extraction with pyrophosphate-dithionite mixture: a practical method to estimate organic carbon associated with metal cations and reactive mineral phases J. Fukumasu et al. https://doi.org/10.1080/00380768.2024.2448861
- Important role of Fe oxides in global soil carbon stabilization and stocks N. Jia et al. https://doi.org/10.1038/s41467-024-54832-8
- Preservation of Soil Iron-Bound Organic Carbon in a Karst Ditch Wetland: A Case Study in Caohai Lake, China D. Yang et al. https://doi.org/10.1007/s42729-024-01614-2
- Nondestructive Quantification of Soil Mineral Associated Organic Carbon Species and Their Distribution at the Global Scale D. Gao et al. https://doi.org/10.1021/acs.est.5c12746
- Cryoturbation impacts iron-organic carbon associations along a permafrost soil chronosequence in northern Alaska H. Joss et al. https://doi.org/10.1016/j.geoderma.2022.115738
- Interactions between organic matter and Fe oxides at soil micro-interfaces: Quantification, associations, and influencing factors Q. Li et al. https://doi.org/10.1016/j.scitotenv.2022.158710
- Organic carbon preservation in wetlands: Iron oxide protection vs. thermodynamic limitation F. Sun et al. https://doi.org/10.1016/j.watres.2023.120133
- DCB dissolution of iron oxides in aeolian dust deposits controlled by particle size rather than mineral species Q. Yang et al. https://doi.org/10.1038/s41598-022-06734-2
- Organic Carbon Burial With Reactive Iron Across Global Environments J. Longman et al. https://doi.org/10.1029/2022GB007447
- Research Progress and Future Perspectives on Soil Carbon Sources and Stability in Mangrove Forests W. WANG et al. https://doi.org/10.3724/EE.1672-9250.2026.54.048
- Enrichment of metastable iron minerals in global coastal wetlands H. Ma et al. https://doi.org/10.1038/s41561-025-01764-7
- Tephra Deposition and Bonding With Reactive Oxides Enhances Burial of Organic Carbon in the Bering Sea J. Longman et al. https://doi.org/10.1029/2021GB007140
- Stability and molecular fractionation of ferrihydrite-bound organic carbon during iron reduction by dissolved sulfide W. Ma et al. https://doi.org/10.1016/j.chemgeo.2022.120774
- Effect mechanism of low-molecular-weight organic acids during sulfidation of As(V)-bearing ferrihydrite Y. Yin et al. https://doi.org/10.1016/j.envpol.2025.126031
- Prediction of Dissolved Organic Carbon Concentrations in Inland Waters Using Optical Proxies of Aromaticity K. Murphy https://doi.org/10.1021/acs.est.5c05408
- Soil Organic Matter Characterization by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FTICR MS): A Critical Review of Sample Preparation, Analysis, and Data Interpretation W. Bahureksa et al. https://doi.org/10.1021/acs.est.1c01135
- Dynamic roles of reactive iron in organic carbon preservation in marine sediments Y. Chen & F. Wang https://doi.org/10.1016/j.fmre.2026.04.004
- Century-scale variability and anthropogenic drivers of OC and FeR-OC burial in estuaries, North China J. Du et al. https://doi.org/10.1016/j.marchem.2026.104675
22 citations as recorded by crossref.
- A modified dithionite reduction method for the quantification of iron-bound organic carbon in marine sediments K. Li et al. https://doi.org/10.1016/j.marchem.2024.104428
- Temperature effects on soil mineral-protected organic carbon are regulated by lithology in humid subtropical forests L. Tang et al. https://doi.org/10.1016/j.catena.2025.108772
- Parent material in controlling mineral-associated organic carbon formation pathways: A mineral sieve mechanism R. Jiang et al. https://doi.org/10.1016/j.apsoil.2026.107264
- Conception of an Optimized Sequential Extraction Protocol for Studying Phosphorus Mobility in the Sediments from a Tropical Lagoon Estuary H. Abbas et al. https://doi.org/10.4236/ojapps.2025.1510218
- Soil extraction with pyrophosphate-dithionite mixture: a practical method to estimate organic carbon associated with metal cations and reactive mineral phases J. Fukumasu et al. https://doi.org/10.1080/00380768.2024.2448861
- Important role of Fe oxides in global soil carbon stabilization and stocks N. Jia et al. https://doi.org/10.1038/s41467-024-54832-8
- Preservation of Soil Iron-Bound Organic Carbon in a Karst Ditch Wetland: A Case Study in Caohai Lake, China D. Yang et al. https://doi.org/10.1007/s42729-024-01614-2
- Nondestructive Quantification of Soil Mineral Associated Organic Carbon Species and Their Distribution at the Global Scale D. Gao et al. https://doi.org/10.1021/acs.est.5c12746
- Cryoturbation impacts iron-organic carbon associations along a permafrost soil chronosequence in northern Alaska H. Joss et al. https://doi.org/10.1016/j.geoderma.2022.115738
- Interactions between organic matter and Fe oxides at soil micro-interfaces: Quantification, associations, and influencing factors Q. Li et al. https://doi.org/10.1016/j.scitotenv.2022.158710
- Organic carbon preservation in wetlands: Iron oxide protection vs. thermodynamic limitation F. Sun et al. https://doi.org/10.1016/j.watres.2023.120133
- DCB dissolution of iron oxides in aeolian dust deposits controlled by particle size rather than mineral species Q. Yang et al. https://doi.org/10.1038/s41598-022-06734-2
- Organic Carbon Burial With Reactive Iron Across Global Environments J. Longman et al. https://doi.org/10.1029/2022GB007447
- Research Progress and Future Perspectives on Soil Carbon Sources and Stability in Mangrove Forests W. WANG et al. https://doi.org/10.3724/EE.1672-9250.2026.54.048
- Enrichment of metastable iron minerals in global coastal wetlands H. Ma et al. https://doi.org/10.1038/s41561-025-01764-7
- Tephra Deposition and Bonding With Reactive Oxides Enhances Burial of Organic Carbon in the Bering Sea J. Longman et al. https://doi.org/10.1029/2021GB007140
- Stability and molecular fractionation of ferrihydrite-bound organic carbon during iron reduction by dissolved sulfide W. Ma et al. https://doi.org/10.1016/j.chemgeo.2022.120774
- Effect mechanism of low-molecular-weight organic acids during sulfidation of As(V)-bearing ferrihydrite Y. Yin et al. https://doi.org/10.1016/j.envpol.2025.126031
- Prediction of Dissolved Organic Carbon Concentrations in Inland Waters Using Optical Proxies of Aromaticity K. Murphy https://doi.org/10.1021/acs.est.5c05408
- Soil Organic Matter Characterization by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FTICR MS): A Critical Review of Sample Preparation, Analysis, and Data Interpretation W. Bahureksa et al. https://doi.org/10.1021/acs.est.1c01135
- Dynamic roles of reactive iron in organic carbon preservation in marine sediments Y. Chen & F. Wang https://doi.org/10.1016/j.fmre.2026.04.004
- Century-scale variability and anthropogenic drivers of OC and FeR-OC burial in estuaries, North China J. Du et al. https://doi.org/10.1016/j.marchem.2026.104675
Saved (final revised paper)
Latest update: 02 Nov 2026
Short summary
Organic carbon can be protected from microbial degradation in marine sediments through association with iron minerals on 1000-year timescales. Despite the importance of this carbon sink, our spatial and temporal understanding of iron-bound organic carbon interactions globally is poor. Here we show that caution must be applied when comparing quantification of iron-bound organic carbon extracted by different methods as the extraction strength and method specificity can be highly variable.
Organic carbon can be protected from microbial degradation in marine sediments through...
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