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https://doi.org/10.5194/bg-2017-395
© Author(s) 2017. 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-2017-395
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
22 Sep 2017
| 22 Sep 2017
Status: this discussion paper is a preprint. It has been under review for the journal Biogeosciences (BG). The manuscript was not accepted for further review after discussion.
Ideas and perspectives: Can we use the soil carbon saturation deficit to quantitatively assess the soil carbon storage potential, or should we explore other strategies?
Abstract. An increase in soil organic carbon stock can contribute to mitigate climate change. International negotiation mechanisms and initiatives call for countries to consider land use change and soil management to achieve atmospheric CO2 removal through storage in terrestrial systems (http://4p1000.org/). As a result, policy makers raised a specific operational question to the soil science community: how much and at which annual rate additional carbon can be stored in soils in different locations? It has been suggested that the ability of a soil to store additional organic carbon can be estimated from its carbon saturation deficit (Csat-def), which is defined as the difference between the maximum amount of carbon that can be associated to its fine (< 20 µm) fraction and the current amount of carbon associated to its fine fraction. In this opinion paper, we explain why, for conceptual reasons, the soil Csat-def is not appropriate, at least in its present form, for assessing quantitatively the whole-soil (total) organic carbon storage potential for operational purposes. We then propose alternative approaches based on new opportunities offered by the development of national and international soil monitoring programs (possibly coupled with modelling) that can provide quantitatively relevant estimates of soil total carbon storage potential. This pragmatic approach will require a sustained effort to maintain and develop soil monitoring programs worldwide and research allowing proper use of such a large amount of data.
How to cite. Barré, P., Angers, D. A., Basile-Doelsch, I., Bispo, A., Cécillon, L., Chenu, C., Chevallier, T., Derrien, D., Eglin, T. K., and Pellerin, S.: Ideas and perspectives: Can we use the soil carbon saturation deficit to quantitatively assess the soil carbon storage potential, or should we explore other strategies?, Biogeosciences Discuss. [preprint], https://doi.org/10.5194/bg-2017-395, 2017.
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Status: closed
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC1: 'Ideas (?) and perspectives (?)', Anonymous Referee #1, 24 Sep 2017
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AC1: 'Response to the comments of Reviewer 1', Pierre Barré, 28 Sep 2017
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AC1: 'Response to the comments of Reviewer 1', Pierre Barré, 28 Sep 2017
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RC2: 'Terminology? Progress?', Anonymous Referee #2, 06 Oct 2017
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AC2: 'Response to the comments of Reviewer 2', Pierre Barré, 20 Oct 2017
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AC2: 'Response to the comments of Reviewer 2', Pierre Barré, 20 Oct 2017
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
-
RC1: 'Ideas (?) and perspectives (?)', Anonymous Referee #1, 24 Sep 2017
-
AC1: 'Response to the comments of Reviewer 1', Pierre Barré, 28 Sep 2017
-
AC1: 'Response to the comments of Reviewer 1', Pierre Barré, 28 Sep 2017
-
RC2: 'Terminology? Progress?', Anonymous Referee #2, 06 Oct 2017
-
AC2: 'Response to the comments of Reviewer 2', Pierre Barré, 20 Oct 2017
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AC2: 'Response to the comments of Reviewer 2', Pierre Barré, 20 Oct 2017
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- Current controversies on mechanisms controlling soil carbon storage: implications for interactions with practitioners and policy-makers. A review D. Derrien et al. 10.1007/s13593-023-00876-x
- Pyrogenic carbon capture and storage H. Schmidt et al. 10.1111/gcbb.12553
- Cropping System Effects on Organic Carbon Pools in Four Indo-Gangetic Alluvial Soils of Different Antecedent Carbon Levels S. Ghosh et al. 10.1007/s42729-022-00794-z
- Une approche holistique de l’élevage, au cœur des enjeux de santé animale, humaine et environnementale M. Duru et al. 10.1051/cagri/2021013
- Soil sciences and the French 4 per 1000 Initiative—The promises of underground carbon J. Kon Kam King et al. 10.1016/j.erss.2018.06.024
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- Depth-dependent response of soil aggregates and soil organic carbon content to long-term elevated CO2 in a temperate grassland soil L. Keidel et al. 10.1016/j.soilbio.2018.05.005
- Fine silt and clay content is the main factor defining maximal C and N accumulations in soils: a meta-analysis F. Matus 10.1038/s41598-021-84821-6
- Effects of Management and Hillside Position on Soil Organic Carbon Stratification in Mediterranean Centenary Olive Grove J. Aguilera-Huertas et al. 10.3390/agronomy11040650
- Intensification enhances litter carbon and nitrogen decomposition dynamics in subtropical grazinglands M. Kohmann et al. 10.1002/agg2.20075
- Fine resolution map of top- and subsoil carbon sequestration potential in France S. Chen et al. 10.1016/j.scitotenv.2018.02.209
- How Much Organic Carbon Could Be Stored in Rainfed Olive Grove Soil? A Case Study in Mediterranean Areas B. Lozano-García et al. 10.3390/su142114609
- Soil organic carbon was more strongly linked with soil phosphate fixing capacity than with clay content across 20,000 agricultural soils in Japan: a potential role of reactive aluminum revealed by soil database approach K. Matsui et al. 10.1080/00380768.2021.1902750
- Benchmarking carbon sequestration potentials in arable soils by on-farm research on innovative pioneer farms C. Rosinger et al. 10.1007/s11104-022-05626-8
Latest update: 19 Apr 2024
Pierre Barré
Laboratoire de Géologie de l'ENS, PSL Research University, UMR8538 du CNRS, 24 rue Lhomond, 75231 Paris, France
Denis A. Angers
Quebec Research and Development Centre. Agriculture and Agri-Food Canada, 2560 Boul. Hochelaga, Québec, Québec, GIV 2J3 Canada
Isabelle Basile-Doelsch
Aix-Marseille Université, CNRS, IRD, Coll France, INRA, CEREGE, F-13545 Aix-en-Provence, France
Antonio Bispo
ADEME, Direction Productions et Energies Durables, 20 av. du Grésillé, 49000 Angers, France
Lauric Cécillon
Université Grenoble Alpes, IRSTEA, 2 rue de la Papeterie, 38402, St-Martin-d'Hères, France
Claire Chenu
UMR ECOSYS, INRA-AgroParisTech, Université Paris-Saclay AgroParisTech, 78850 Thiverval-Grignon, France
Tiphaine Chevallier
UMR ECO&SOLS, IRD, Campus SupAgro, 34060 Montpellier Cedex 2, France
Delphine Derrien
Biogéochimie des Ecosystèmes Forestiers, INRA, 54280 Champenoux, France
Thomas K. Eglin
ADEME, Direction Productions et Energies Durables, 20 av. du Grésillé, 49000 Angers, France
Sylvain Pellerin
UMR ISPA, INRA, 33883 Villenave d'Ornon Cédex, France
Short summary
Soil C storage is currently discussed at a high political level. This paper discusses whether the concept of soil C saturation deficit can be appropriate to determine quantitatively the soil C storage potential and contribute to answer operational questions raised by policy makers. After a review of the literature, we conclude that for practical and conceptual reasons, the C saturation deficit is not appropriate for assessing quantitatively the soil total OC storage potential.
Soil C storage is currently discussed at a high political level. This paper discusses whether...
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