Soil characteristics

soil

Gridded soil database (soilGrids)

Details

This dataset provides global maps of soil properties derived with state-of-the-art machine learning methods. SoilGrids prediction models are fitted using over 230,000 soil profile observations from the WoSIS database and a series of environmental covariates. Covariates were selected from a pool of over 400 environmental layers (e.g. climate, land cover), and originated from different data products derived with Earth observation data. The outputs of SoilGrids are global soil property maps at six standard depth intervals (according to the GlobalSoilMap IUSS working group and its specifications). Prediction uncertainty is quantified by the lower and upper limits of a 90% prediction interval.

Subdatasets

soilDepth | Soil depth (m)
content description
value_range 0…200
bdod0to5cm | Bulk density (cg/cm3) of the fine earth fraction (0-5cm)
content description
value_range 0…200
bdod5to15cm | Bulk density (cg/cm3) of the fine earth fraction (5-15cm)
content description
value_range 0…200
bdod15to30cm | Bulk density (cg/cm3) of the fine earth fraction (15-30cm)
content description
value_range 0…200
bdod30to60cm | Bulk density (cg/cm3) of the fine earth fraction (30-60cm)
content description
value_range 0…200
bdod60to100cm | Bulk density (cg/cm3) of the fine earth fraction (60-100cm)
content description
value_range 0…200
bdod100to200cm | Bulk density (cg/cm3) of the fine earth fraction (100-200cm)
content description
value_range 0…200
cec0to5cm | Cation Exchange Capacity (in mmol(c)/kg) of the soil (0-5cm)
content description
value_range 0…900
cec5to15cm | Cation Exchange Capacity (in mmol(c)/kg) of the soil (5-15cm)
content description
value_range 0…900
cec15to30cm | Cation Exchange Capacity (in mmol(c)/kg) of the soil (15-30cm)
content description
value_range 0…900
cec30to60cm | Cation Exchange Capacity (in mmol(c)/kg) of the soil (30-60cm)
content description
value_range 0…900
cec60to100cm | Cation Exchange Capacity (in mmol(c)/kg) of the soil (60-100cm)
content description
value_range 0…900
cec100to200cm | Cation Exchange Capacity (in mmol(c)/kg) of the soil (100-200cm)
content description
value_range 0…900
nitrogen0to5cm | Total nitrogen (cg/kg) (0-5cm)
content description
value_range 0…1300
nitrogen5to15cm | Total nitrogen (cg/kg) (5-15cm)
content description
value_range 0…1300
nitrogen15to30cm | Total nitrogen (cg/kg) (15-30cm)
content description
value_range 0…1300
nitrogen30to60cm | Total nitrogen (cg/kg) (30-60cm)
content description
value_range 0…1300
nitrogen60to100cm | Total nitrogen (cg/kg) (60-100cm)
content description
value_range 0…1300
nitrogen100to200cm | Total nitrogen (cg/kg) (100-200cm)
content description
value_range 0…1300
ocd0to5cm | Organic carbon density (g/dm3, 0-5cm)
content description
value_range 0…1300
ocd5to15cm | Organic carbon density (g/dm3, 5-15cm)
content description
value_range 0…1300
ocd15to30cm | Organic carbon density (g/dm3, 15-30cm)
content description
value_range 0…1300
ocd30to60cm | Organic carbon density (g/dm3, 30-60cm)
content description
value_range 0…1300
ocd60to100cm | Organic carbon density (g/dm3, 60-100cm)
content description
value_range 0…1300
ocd100to200cm | Organic carbon density (g/dm3, 100-200cm)
content description
value_range 0…1300
sand0to5cm | Proportion of sand particles (> 0.05 mm, cm3/dm3) in the fine earth fraction (0-5cm)
content description
value_range 0…1300
sand5to15cm | Proportion of sand particles (> 0.05 mm, cm3/dm3) in the fine earth fraction (5-15cm)
content description
value_range 0…1300
sand15to30cm | Proportion of sand particles (> 0.05 mm, cm3/dm3) in the fine earth fraction (15-30cm)
content description
value_range 0…1300
sand30to60cm | Proportion of sand particles (> 0.05 mm, cm3/dm3) in the fine earth fraction (30-60cm)
content description
value_range 0…1300
sand60to100cm | Proportion of sand particles (> 0.05 mm, cm3/dm3) in the fine earth fraction (60-100cm)
content description
value_range 0…1300
sand100to200cm | Proportion of sand particles (> 0.05 mm, cm3/dm3) in the fine earth fraction (100-200cm)
content description
value_range 0…1300
soc0to5cm | Soil organic carbon content (dg/kg) in the fine earth fraction (0-5cm)
content description
value_range 0…5000
soc5to15cm | Soil organic carbon content (dg/kg) in the fine earth fraction (5-15cm)
content description
value_range 0…5000
soc15to30cm | Soil organic carbon content (dg/kg) in the fine earth fraction (15-30cm)
content description
value_range 0…5000
soc30to60cm | Soil organic carbon content (dg/kg) in the fine earth fraction (30-60cm)
content description
value_range 0…5000
soc60to100cm | Soil organic carbon content (dg/kg) in the fine earth fraction (60-100cm)
content description
value_range 0…5000
soc100to200cm | Soil organic carbon content (dg/kg) in the fine earth fraction (100-200cm)
content description
value_range 0…5000

masDMT query

# data call without specifying subdataset and resolution
list_data("soilGrids")

# data call for specific subdataset 
list_data("soilGrids/soilDepth")

# data call to subdataset with a specific resolution
list_data("soilGrids/soilDepth/1km")

References

(bibtex)

[1] Hengl, Mendes de Jesus, Heuvelink, Ruiperez Gonzalez, Kilibarda, Blagotić, Shangguan, Wright, Geng, Bauer-Marschallinger, Guevara, Vargas, MacMillan, Batjes, Leenaars, Ribeiro, Wheeler, Mantel, and Kempen (2017)