Articles | Volume 20, issue 8
https://doi.org/10.5194/bg-20-1559-2023
© Author(s) 2023. 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-20-1559-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Mapping soil organic carbon fractions for Australia, their stocks, and uncertainty
Mercedes Román Dobarco
CORRESPONDING AUTHOR
Sydney Institute of Agriculture & School of Life and Environmental Sciences, The University of Sydney, 1 Central Avenue, Eveleigh, 2015, NSW, Australia
Alexandre M. J-C. Wadoux
Sydney Institute of Agriculture & School of Life and Environmental Sciences, The University of Sydney, 1 Central Avenue, Eveleigh, 2015, NSW, Australia
Brendan Malone
CSIRO Agriculture and Food, Black Mountain, ACT, Australia
Budiman Minasny
Sydney Institute of Agriculture & School of Life and Environmental Sciences, The University of Sydney, 1 Central Avenue, Eveleigh, 2015, NSW, Australia
Alex B. McBratney
Sydney Institute of Agriculture & School of Life and Environmental Sciences, The University of Sydney, 1 Central Avenue, Eveleigh, 2015, NSW, Australia
Ross Searle
CSIRO Agriculture and Food, 306 Carmody Road, St Lucia, QLD, Australia
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Cited
11 citations as recorded by crossref.
- Using a comprehensive model for cropland types in relationships between soil bulk density and organic carbon to predict site-specific carbon stocks C. Hou et al. 10.1007/s11368-024-03829-3
- Spatial evaluation of the soils capacity and condition to store carbon across Australia A. Wadoux et al. 10.1016/j.geoderma.2024.116805
- Phosphorus-modified biochar regulates CO2 emissions and bacterial communities in an incubation study of manganese-contaminated soils Y. Yang et al. 10.1016/j.biombioe.2025.107823
- Characterising and quantifying soil clay-sized minerals using mid-infrared spectroscopy Y. Huang et al. 10.1016/j.still.2025.106590
- Organic carbon distribution between structural and process pools in the gray forest soil of different land use T. Lebedeva et al. 10.19047/0136-1694-2024-118-79-127
- Update and expansion of the soil and landscape grid of Australia B. Malone et al. 10.1016/j.geoderma.2025.117226
- Space-time mapping of soil organic carbon stock and its local drivers: Potential for use in carbon accounting S. Ugbemuna Ugbaje et al. 10.1016/j.geoderma.2023.116771
- Temporal adjustment approach for high-resolution continental scale modeling of soil organic carbon L. Bokati et al. 10.1038/s41598-025-89503-1
- Charcoal carbon pools and their persistence in boreal forest soils, Northwest Territories, Canada B. Robson et al. 10.1139/cjfr-2024-0178
- Deep learning of the particulate and mineral-associated organic carbon fractions using a compositional transform and mid-infrared spectroscopy M. Zhang et al. 10.1016/j.geoderma.2025.117207
- Estimating the attainable soil organic carbon deficit in the soil fine fraction to inform feasible storage targets and de-risk carbon farming decisions S. Karunaratne et al. 10.1071/SR23096
10 citations as recorded by crossref.
- Using a comprehensive model for cropland types in relationships between soil bulk density and organic carbon to predict site-specific carbon stocks C. Hou et al. 10.1007/s11368-024-03829-3
- Spatial evaluation of the soils capacity and condition to store carbon across Australia A. Wadoux et al. 10.1016/j.geoderma.2024.116805
- Phosphorus-modified biochar regulates CO2 emissions and bacterial communities in an incubation study of manganese-contaminated soils Y. Yang et al. 10.1016/j.biombioe.2025.107823
- Characterising and quantifying soil clay-sized minerals using mid-infrared spectroscopy Y. Huang et al. 10.1016/j.still.2025.106590
- Organic carbon distribution between structural and process pools in the gray forest soil of different land use T. Lebedeva et al. 10.19047/0136-1694-2024-118-79-127
- Update and expansion of the soil and landscape grid of Australia B. Malone et al. 10.1016/j.geoderma.2025.117226
- Space-time mapping of soil organic carbon stock and its local drivers: Potential for use in carbon accounting S. Ugbemuna Ugbaje et al. 10.1016/j.geoderma.2023.116771
- Temporal adjustment approach for high-resolution continental scale modeling of soil organic carbon L. Bokati et al. 10.1038/s41598-025-89503-1
- Charcoal carbon pools and their persistence in boreal forest soils, Northwest Territories, Canada B. Robson et al. 10.1139/cjfr-2024-0178
- Deep learning of the particulate and mineral-associated organic carbon fractions using a compositional transform and mid-infrared spectroscopy M. Zhang et al. 10.1016/j.geoderma.2025.117207
Latest update: 09 May 2025
Short summary
Soil organic carbon (SOC) is of a heterogeneous nature and varies in chemistry, stabilisation mechanisms, and persistence in soil. In this study we mapped the stocks of SOC fractions with different characteristics and turnover rates (presumably PyOC >= MAOC > POC) across Australia, combining spectroscopy and digital soil mapping. The SOC stocks (0–30 cm) were estimated as 13 Pg MAOC, 2 Pg POC, and 5 Pg PyOC.
Soil organic carbon (SOC) is of a heterogeneous nature and varies in chemistry, stabilisation...
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