Articles | Volume 18, issue 2
https://doi.org/10.5194/essd-18-759-2026
https://doi.org/10.5194/essd-18-759-2026
Data description paper
 | 
02 Feb 2026
Data description paper |  | 02 Feb 2026

A 1 km soil organic carbon density dataset with depth of 20 and 100 cm from 1985 to 2020 in China

Yi Dong, Xinting Wang, and Wei Su

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Cited articles

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Bishop, T., Mcbratney, A. B., and Laslett, G. M.: Modelling soil attribute depth functions with equal-area quadratic smoothing splines, Geoderma, 91, 27–45, https://doi.org/10.1016/S0016-7061(99)00003-8, 1999. 
Chaney, N. W., Minasny, B., Herman, J. D., Nauman, T. W., Brungard, C. W., Morgan, C. L., Mcbratney, A. B., Wood, E. F., and Yimam, Y.: Polaris soil properties: 30 m probabilistic maps of soil properties over the contiguous united states, Water Resour. Res., 55, 2916–2938, https://doi.org/10.1029/2018WR022797, 2019. 
Chen, S., Arrouays, D., Mulder, V. L., Poggio, L., Minasny, B., Roudier, P., Libohova, Z., Lagacherie, P., Shi, Z., and Hannam, J.: Digital mapping of globalsoilmap soil properties at a broad scale: a review, Geoderma, 409, 115567, https://doi.org/10.1016/j.geoderma.2021.115567, 2022. 
Chen, Z., Chen, L., Lu, R., Lou, Z., Zhou, F., Jin, Y., Xue, J., Guo, H., Wang, Z., Wang, Y., Liu, F., Song, X., Zhang, G., Su, Y., Ye, S., Shi, Z., and Chen, S.: A national soil organic carbon density dataset (2010–2024) in China, Sci. Data, 12, 1480, https://doi.org/10.1038/s41597-025-05863-3, 2025. 
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In this study, we developed the first long-term soil organic carbon density (SOCD) product for China, spanning from 1985 to 2020. The generated product exhibits good consistency with existing datasets and provides finer spatial detail compared to global SOC products. This SOCD dataset offers valuable insights into the long-term status of soil health in China and enhances our understanding of the response of soil organic carbon to global warming and human activities.
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