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dcterms:title "Sub-hourly river flow data observations from 1369 river gauges in the UK, 1948-2023 (UK-Flow15)" ;
dcterms:identifier <https://catalogue.ceh.ac.uk/id/211710ac-f01b-4b52-807f-373babb1c368> ;
adms:identifier <https://doi.org/10.5285/211710ac-f01b-4b52-807f-373babb1c368> ;
dcterms:bibliographicCitation "Fileni, F., Fowler, H.J., Lewis, E., Fry, M., Cooper, H., Swain, O., Coxon, G., McLay, F., Bruce, E., Yang, L., Archer, D. (2025). Sub-hourly river flow data observations from 1369 river gauges in the UK, 1948-2023 (UK-Flow15). NERC EDS Environmental Information Data Centre. https://doi.org/10.5285/211710ac-f01b-4b52-807f-373babb1c368" ;
dcterms:description "This dataset provides a coherent, quality-controlled collection of 15-minute river flow observations from across the United Kingdom. It brings together more than 1,300 gauging stations and over 50,000 station-years of data collected by the main UK measuring authorities - the Environment Agency (England), Scottish Environment Protection Agency, Natural Resources Wales, the Department for Infrastructure (Northern Ireland), and the UK Centre for Ecology & Hydrology. The records span from 1948 to the present day and represent the first national-scale compilation of sub-daily flow data in a consistent format. The dataset was created by assembling raw hydrometric records from open APIs and data requests to measuring authorities, then standardising them to a uniform 15-minute time step. A structured quality control framework was applied to identify and flag potential issues such as missing or duplicated values, irregular time steps, and implausible flow events. Each record includes a detailed quality code indicating the outcome of these checks, and a suite of accompanying metadata files provides full traceability of data provenance, quality control results, and any adjustments made during processing. The resource is designed to support large-sample and national-scale hydrological research, particularly for applications requiring high-resolution data such as flood analysis, catchment response studies, and model calibration." ;
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rdfs:label "The dataset compiles 15-minute river flow observations from over 1,300 UK gauging stations managed by the Environment Agency, SEPA, NRW, DfI Northern Ireland, and UKCEH. Original field measurements of river stage were made using weirs, flumes, velocity-area methods, and ultrasonic sensors, then converted to discharge (m³ s⁻¹) using rating curves maintained by each authority. Data were accessed via APIs and formal requests, retaining only stations with official NRFA identifiers. All time series were standardised to a uniform 15-minute interval, and duplicate or irregular records were corrected. A structured quality control framework was applied, including consistency checks against NRFA daily and peak-flow datasets, automated anomaly detection, and plausibility tests for high-flow events. Each observation carries a QC code, and metadata files record all processing and assessment steps. Users should consult these metadata to evaluate data suitability for specific analyses."
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