Soil Carbon Risk Index

This dataset includes the a) Soil organic carbon risk index b) SOC fractions predicted by visible near-infrared c) the mineral-associated organic carbon (MAOC) saturation.This repository accompanies the publication "Revisiting the soil carbon saturation concept to inform a risk index in European agricultural soils" and can be used to access the results and code.
Registration is requested: 
Yes
Year: 
2025
Keywords: 

Title:Revisiting the soil carbon saturation concept to inform a risk index in European agricultural soils
Description:  This dataset includes the a) Soil organic carbon risk index (GeotTIFF) b) SOC fractions predicted by visible near-infrared (Tabular data) c) the mineral-associated organic carbon (MAOC) saturation (GeoTIFF). The mineral-associated organic carbon (MAOC) saturation and SOC risk index GeoTiffs are based on the non-linear boundary regression method to estimate the effective MAOC capacity by pedo-climatic zone (see Breure et al. 2025). The MAOC saturation is based on LUCAS 2009 data whereas the SOC risk index has integrated the MAOC saturation data and the SOC changes over the period 2009-2018 (De Rosa et al. 2024).

The relevant input files and code to create these outputs are located in the ‘20250210_NComms_Cfractions.zip’ file. This file should be unzipped and the steps in the README can be followed to reproduce the results. Input files were sourced from the ESDAC database as well as various publicly available sources (see Breure et al. 2025 for further details).

Spatial coverage: European Union (EU) + UK cropland and semi-natural habitats with mineral soils (< 120 g/kg soil organic carbon).
Pixel size: 500m
Temporal coverage:  2009 and 2009-2018.
Projection: ETRS89

Type of datasets - Tabular and GeoTiff. Three files:

  • VNIRSOCfractions.csv:  continuous: soil organic carbon fractions predicted by visible near-infrared spectroscopy (particulate organic carbon, OC_pom_g_kg, mineral-associated organic carbon, OC_sc_g_kg, and their sum: OC_fractions_g_kg). The file also contains two LUCAS soil survey ID columns (POINT_ID, sample.ID), the LUCAS 2009 texture data (Clay, Sand, Silt [%]) and the coordinates in WGS84.
  • MAOCsaturation.tif: continuous; mineral-associated organic carbon saturation (%) (51 to 100).
  • SOCriskindex.tif:  integer; 4 discrete classes coded by integers 1 to 4. Classes 1-4 correspond to the 'High hazard', 'High risk', 'No hazard', 'No risk' classes, respectively.

Reference: Breure, T.S., De Rosa, D., Panagos, P., Cotrufo, M.F., Jones, A., Lugato, E. (2025). Revisiting the soil carbon saturation concept to inform a risk index in European agricultural soils. Nature Communications,16, Article number: 2538,  DOI: 10.1038/s41467-025-57355-y

 

 

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