SRB

SRB

Soil spectral library from Serbia (SRB)

VNIR NIR MIR
National — Serbia
<300 samples first release (v1) Agreement

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

Map

Soil site information

  • Coordinates precision: precise
  • Sampling depth: various
  • Geography: soil taxonomy, landuse
  • Variables available (OSSL): 8 out of 8 — see Database description for full schema
  • Populated columns: id.layer_uuid_txt, id.layer_local_c, site.location.use_src_txt, longitude.point_wgs84_dd, latitude.point_wgs84_dd, pedon.taxa_src_txt, layer.upper.depth_usda_cm, layer.lower.depth_usda_cm

Soil laboratory information

  • Total samples: 135
  • Properties available (original): 10
  • Properties standardized (OSSL): 8 — summarized in Table 1 below
  • Categories: physical, chemical, carbon & nutrients
  • 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
silt.tot_usda.c62_w.pctSilt, Total, S prepMethod: usda.c62Unit: w.pct 0 25.35 12.61 1.23 15.04 27.83 35.60 53.39
clay.tot_usda.a334_w.pctClayMethod: usda.a334Unit: w.pct 0 27.61 13.54 5.53 15.95 27.43 36.92 60.81
sand.tot_usda.c60_w.pctSand, Total, S prepMethod: usda.c60Unit: w.pct 0 47.13 23.87 9.03 28.84 38.65 68.61 92.27
c.tot_usda.a622_w.pctCarbon, Total NCSMethod: usda.a622Unit: w.pct 90 3.47 1.49 1.43 2.15 2.99 4.79 7.06
oc_usda.c729_w.pctOrganic Carbon, Total C without CaCO3, S prepMethod: usda.c729Unit: w.pct 90 2.83 0.97 1.30 2.12 2.67 3.33 5.02
ph.h2o_usda.a268_indexpH, 1:1 Soil-Water SuspensionMethod: usda.a268Unit: index 90 7.41 0.87 5.38 6.77 7.80 7.97 9.18
n.tot_usda.a623_w.pctNitrogen, Total NCS, usda.a623Method: usda.a623Unit: w.pct 90 0.19 0.11 0.05 0.12 0.19 0.24 0.49
caco3_usda.a54_w.pctCarbonate, <2mm FractionMethod: usda.a54Unit: w.pct 90 5.33 6.54 0.00 0.00 2.19 10.11 21.99

MIR

  • Acquisition mode: Not available
  • Intensity: absorbance
  • Original range: 400-4000
  • Standardized range: 600-4000
  • Instrument: Nexus 670 FT-IR
  • Manufacturer: Thermo-Nicolet
  • Scan accessory: Not available
  • Sample preparation: Air-dried, Sieved < 2 mm
  • Additional info: DTGS detector

MIR plot

References

  1. Publication 1