Soil organic carbon content in x 5 g / kg at 6 standard depths (0, 10, 30, 60, 100 and 200 cm) at 250 m resolution
Description
Soil organic carbon content in × 5 g / kg (to convert to % divide by 2) at 6 standard depths (0, 10, 30, 60, 100 and 200 cm) at 250 m resolution. The maps are provided using Byte type to significantly reduce file size. Predicted from a global compilation of soil points. Also available for download: soil organic stock maps in in kg / m2 (https://doi.org/10.5281/zenodo.1475453) and bulk density maps in kg / m3 (https://doi.org/10.5281/zenodo.1475970). Processing steps are described in detail here. Antarctica is not included.
To access and visualize maps use: OpenLandMap.org
If you discover a bug, artifact or inconsistency in the maps, or if you have a question please use some of the following channels:
- Technical issues and questions about the code: https://gitlab.com/openlandmap/global-layers/issues
- General questions and comments: https://disqus.com/home/forums/landgis/
All files internally compressed using "COMPRESS=DEFLATE" creation option in GDAL. File naming convention:
- sol = theme: soil,
- organic.carbon = variable: soil organic carbon content in x 5 g / kg,
- usda.6a1c = determination method: laboratory method code,
- m = mean value,
- 250m = spatial resolution / block support: 250 m,
- b10..10cm = vertical reference: 10 cm depth below surface,
- 1950..2017 = time reference: period 1950–2017,
- v0.2 = version number: 0.2,
Files
sol_organic.carbon_usda.6a1c_m.png
Files
(16.3 GB)
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Additional details
References
- USDA-NRCS, (2014) Laboratory Methods Manual (SSIR 42). U.S. Department of Agriculture, Natural Resources Conservation Service, National Soil Survey Center.
- Hengl T, Mendes de Jesus J, Heuvelink GBM, Ruiperez Gonzalez M, Kilibarda M, Blagotić A, et al. (2017) SoilGrids250m: Global gridded soil information based on machine learning. PLoS ONE 12(2): e0169748.
- Hengl, T., MacMillan, R.A., (2019). Predictive Soil Mapping with R. OpenGeoHub foundation, Wageningen, the Netherlands, 370 pages, www.soilmapper.org, ISBN: 978-0-359-30635-0.