Naturalised River Flow Duration Percentiles

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This data set contains estimates of naturalised river flow duration percentiles for Irish rivers. The flow estimates represent flows that could be expected in rivers under naturalised conditions and do not take account of artificial influences of any kind such as water supply abstractions or waste water discharges. The data set should be used in conjunction with the HYDRO Catchments layer to display contributing areas to each flow node. Data results include naturalised flow percentiles (NATQ1-99%), naturalised mean monthly flows (NATMMF1-12) and physical catchment descriptors. Flow estimates are provided in m3/second.

Data Resources (4)

WMS
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Data Resource Preview - WMS GetMap

Theme Environment
Date dataset released 2020-04-01
Date dataset updated 2020-11-03
Dataset conforms to these standards The INSPIRE Directive or INSPIRE lays down a general framework for a Spatial Data Infrastructure (SDI) for the purposes of European Community environmental policies and policies or activities which may have an impact on the environment.
Rights notes {"no limitations",https://creativecommons.org/licenses/by/4.0/,license,https://creativecommons.org/licenses/by/4.0/,license}
Update frequency Other
Language English
Landing Page https://gis.epa.ie/geoserver/EPA/wms?service=WMS&version=1.1.0&request=GetMap&layers=EPA:HYDRO_Points&styles=&bbox=229499.99541,439479.9912104,239980.0047996,448200.008964&width=768&height=639&srs=EPSG:29902&format=image%2Fpng
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-10.47472, 51.44555],[-10.47472, 55.37999], [-6.01306, 55.37999], [-6.01306, 51.44555], [-10.47472, 51.44555]]]}
Spatial Reference Systems (SRS) TM65 / Irish Grid (EPSG:29902)
Vertical Extent {"maxVerticalExtent": "1014", "verticalDomainName": "EPSG Projection 5731 - Malin Head height", "minVerticalExtent": "0"}
Provenance information The data set consists of river flow percentile estimates and catchment descriptors used to produce the estimates. The details of the catchment descriptors and model specifics are contained in the report ‘Flow Duration Curves for Ungauged Catchments in Ireland; Annual and Monthly Flow duration Curves and Mean Flows’ Bree, T. (2018). The data is based on river flow time series data collected by the EPA, local authorities and the Office of Public Works.
Period of time covered (begin) 2010-09-29
Period of time covered (end) 2015-09-02

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