LUCAS

LUCAS

Land Use and Cover Survey (LUCAS) library from European soils (23-28 countries)

VNIR NIR MIR
Continental — European Union
20,000+ samples 2009, 2012, 2015 Other (Custom) with redistribution permission upon spatial anonymization

Database access

Data originally provided by:

Available files

Type Filename Link
MIR spectra — CSV (gzip) ossl_mir_v1.3.csv.gz Download
MIR spectra — Parquet ossl_mir_v1.3.parquet Download
Soil lab measurements — CSV (gzip) ossl_soillab_v1.3.csv.gz Download
Soil lab measurements — Parquet ossl_soillab_v1.3.parquet Download
Soil site metadata — CSV (gzip) ossl_soilsite_v1.3.csv.gz Download
Soil site metadata — Parquet ossl_soilsite_v1.3.parquet Download
VisNIR spectra — CSV (gzip) ossl_visnir_v1.3.csv.gz Download
VisNIR spectra — Parquet ossl_visnir_v1.3.parquet Download

Map

Soil site information

  • Coordinates precision: precise, country
  • Sampling depth: top
  • Geography: soil taxonomy, elevation, landuse
  • Variables available (OSSL): 12 out of 12 — see Database description for full schema
  • Populated columns: id.layer_uuid_txt, id.layer_local_c, longitude.point_wgs84_dd, latitude.point_wgs84_dd, loc.country_src_txt, site.landuse2009_src_code, site.landuse2012_src_code, layer.upper.depth_usda_cm, layer.lower.depth_usda_cm, observation.date.begin_iso.8601_yyyy.mm.dd, observation.date.end_iso.8601_yyyy.mm.dd, site.landuse2015_src_code

Soil laboratory information

  • Total samples: 43,925
  • Properties available (original): 13
  • Properties standardized (OSSL): 13 — summarized in Table 1 below
  • Categories: physical, chemical, carbon & nutrients, metal elements
  • Original source: see Database access

Hover over any OSSL code in the table below to see its full description.

Table 1: Summary statistics (mean, SD, percentiles) for OSSL-standardized soil properties.
skim_variable n_missing mean sd p0 p25 p50 p75 p100
cf_iso.11464_w.pctCoarse Fragments, ISO 11464Method: iso.11464Unit: w.pct 17601 14.89 13.09 0.00 5.00 11.00 21.00 92.00
clay.tot_iso.11277_w.pctClay, ISO 11277Method: iso.11277Unit: w.pct 17628 19.69 14.63 0.00 8.00 17.00 28.00 96.00
silt.tot_iso.11277_w.pctSilt, Total, ISO 11277Method: iso.11277Unit: w.pct 17630 37.24 19.06 0.00 24.00 38.00 51.00 93.00
sand.tot_iso.11277_w.pctSand, Total, ISO 11277Method: iso.11277Unit: w.pct 17628 38.78 26.01 0.00 16.00 36.00 59.00 100.00
ph.h2o_iso.10390_indexpH, 1:5 Soil-Water Suspension, ISO 10390Method: iso.10390Unit: index 2 6.19 1.34 3.17 5.02 6.18 7.48 10.37
ph.cacl2_iso.10390_indexpH, 1:5 Soil-CaCl2 Suspension, ISO 10390Method: iso.10390Unit: index 2 5.71 1.40 2.57 4.50 5.76 7.10 10.00
oc_iso.10694_w.pctOrganic Carbon, ISO 10694Method: iso.10694Unit: w.pct 249 4.52 8.22 0.01 1.26 2.02 3.79 58.68
caco3_iso.10693_w.pctCarbonate, ISO 10693Method: iso.10693Unit: w.pct 697 5.44 13.05 0.00 0.00 0.10 1.60 97.60
n.tot_iso.11261_w.pctNitrogen, Total NCS, ISO 11261Method: iso.11261Unit: w.pct 7 0.30 0.36 0.00 0.12 0.18 0.30 3.86
p.ext_iso.11263_mg.kgPhosphorus, Extractable, ISO 11263Method: iso.11263Unit: mg.kg 697 31.21 32.69 0.00 10.90 22.70 43.00 1366.40
k.ext_usda.a725_cmolc.kgPotassium, Extractable, NH4OAc, 2M KCl displacementMethod: usda.a725Unit: cmolc.kg 2 1.02 1.18 0.00 0.39 0.74 1.29 51.31
cec_iso.11260_cmolc.kgCEC, BaCl2, soil's own pH, ISO 11260Method: iso.11260Unit: cmolc.kg 21882 17.31 15.19 0.00 7.50 13.50 22.80 234.00
ec_iso.11265_ds.mElectrical Conductivity, ISO 11265Method: iso.11265Unit: ds.m 22066 0.26 0.33 0.00 0.10 0.17 0.28 9.69

MIR

  • Acquisition mode: Not available
  • Intensity: absorbance
  • Original range: 600-4000
  • Standardized range: 628-4000
  • Instrument: Vertex 70 FT-IR
  • Manufacturer: Bruker Optics
  • Scan accessory: Not available
  • Sample preparation: Air-dried, finely ground <0.2 mm
  • Additional info: KBr beamsplitter; Gold mirror; Mirror background

MIR plot

VNIR

  • Acquisition mode: Not available
  • Intensity: reflectance
  • Original range: 400-2500
  • Instrument: FOSS NIRS XDS RapidContent Analyzer
  • Manufacturer: FOSS NIRSystems Inc., Laurel, MD/ Denmark
  • Instrument co-scans: Not available
  • Scan repeats: Not available
  • Scan accessory: Not available
  • Original resolution: 2
  • Sample preparation: Air-dried, Sieved <2 mm
  • Additional info: Si (400–1100 nm) and PbS (1100–2500 nm) detectors

VNIR plot

References

  1. Publication 1
  2. Publication 2
  3. Publication 3