Articles | Volume 16, issue 5
https://doi.org/10.5194/essd-16-2367-2024
https://doi.org/10.5194/essd-16-2367-2024
Data description paper
 | 
16 May 2024
Data description paper |  | 16 May 2024

European topsoil bulk density and organic carbon stock database (0–20 cm) using machine-learning-based pedotransfer functions

Songchao Chen, Zhongxing Chen, Xianglin Zhang, Zhongkui Luo, Calogero Schillaci, Dominique Arrouays, Anne Christine Richer-de-Forges, and Zhou Shi

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Cited articles

Abdelbaki, A. M.: Evaluation of pedotransfer functions for predicting soil bulk density for U. S. soils, Ain Shams Eng. J., 9, 1611–1619, https://doi.org/10.1016/j.asej.2016.12.002, 2018. 
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Armas, D., Guevara, M., Bezares, F., Vargas, R., Durante, P., Osorio, V., Jiménez, W., and Oyonarte, C.: Harmonized Soil Database of Ecuador (HESD): data from 2009 to 2015, Earth Syst. Sci. Data, 15, 431–445, https://doi.org/10.5194/essd-15-431-2023, 2023. 
Atwood, T. B., Connolly, R. M., Almahasheer, H., Carnell, P. E., Duarte, C. M., Ewers Lewis, C. J., and Lovelock, C. E.: Global patterns in mangrove soil carbon stocks and losses, Nat. Clim. Change, 7, 523–528, https://doi.org/10.1038/nclimate3326, 2017. 
Augusto, L. and Boča, A.: Tree functional traits, forest biomass, and tree species diversity interact with site properties to drive forest soil carbon, Nat. Commun., 13, 1097, https://doi.org/10.1038/s41467-022-28748-0, 2022. 
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A new dataset for topsoil bulk density (BD) and soil organic carbon (SOC) stock (0–20 cm) across Europe using machine learning was generated. The proposed approach performed better in BD prediction and slightly better in SOC stock prediction than earlier-published PTFs. The outcomes present a meaningful advancement in enhancing the accuracy of BD, and the resultant topsoil BD and SOC stock datasets across Europe enable more precise soil hydrological and biological modeling.
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