dataset · United Kingdom
Government / regulator
Topsoil visible and near-infrared (Vis-NIR) spectral data from the UKCEH Countryside Survey, Great Britain, 2018-2019
The dataset contains information about the visible and near-infrared (Vis-NIR) reflectance spectra collected from re-quartered reserved fine earth (FE) soil samples obtained during the 2018-2019 Countryside Survey. Out of the 481 samples collected during the survey, only 451 were used for diffuse reflectance spectroscopy due to sample availability. Diffuse reflectance spectra were gathered from 451 samples using the ASD AgricSpec spectrometer and from 306 samples using the FOSS DS2500 spectromet
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What's in it
- Data offered docs-verified
- Vis-NIR diffuse reflectance spectra (350-2500 nm) of topsoil fine earth samples · ASD AgricSpec spectra (451 samples) · FOSS DS2500 spectra (306 samples) · 23 OSSL-predicted harmonised soil parameters
- Coverage docs-verified
- Great Britain · 2018-01-01 to 2019-12-31
- Resolution docs-verified
- Spectral resolution of 1 nm (visible, 350-780 nm) and 0.5 nm (near-infrared, 780-2500 nm), per the docs' 'respectively' wording; per-sample tabular data with no spatial resolution stated
- Formats docs-verified
- CSV
- Access docs-verified
- Free download of the whole dataset (zip package) under the Open Government Licence; no authentication indicated
Useful for
- Use cases llm-inferred
- Regional topsoil property baseline for soil-condition inputs to BNG habitat or land-use assessments · Training or validation data for Vis-NIR spectral soil prediction models in site investigation or contaminated land work · Comparing OSSL-predicted topsoil properties against measured values for GB soils in a desk study
- Audience llm-inferred
- ecologists · geotechnical engineers · environmental consultants · soil scientists · GIS analysts
Limitations
- Constraints llm-inferred
- Only 451 of 481 survey samples have ASD spectra and only 306 have FOSS spectra · The 23 soil parameters are model predictions from the OSSL engine, not direct measurements · Predictions were compared against measured values for only 12 soil matrices · Tabular per-sample data; no spatial detail beyond Great Britain is stated · One-off 2018-2019 survey with no stated update schedule
- Licence
- Open government licence
- Authentication
- Unknown — review source docs
- GitHub stars
- Unknown
- Last commit
- Unknown
- Last successful page check
- 16/10/2026
- Page health
- healthy
- Package
- Not recorded
- Verification
- Not independently verified
Provenance & evidence
Listed in ukceh-eidc public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (ukceh-eidc)