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This dataset contains bedrock units created by grouping bedrock formations and members based on their hydrogeological properties and other factors.
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EolaíochtBedrock outcrop polygons have been derived from digitising outcrop locations from scanned 19th Century GSI field maps. The data was derived from mapping at a scale of 1:10,560 (6 inches to one mile). Individual map sheets were geo-referenced to an index polygon and checked...
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Water tracing involves tagging water to see where it goes. The time the tracers take to get from one point to the other is also usually recorded. It is most commonly used in karst environments to ascertain groundwater flow rates, directions and catchment definitions (Zone of...
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The National Karst Database consists of point features, locating the centre (or in the case of a cave, the entrance) of karst landforms grouped into 8 types and records details of the landforms dimensions and functioning.Karst is a term used world-wide to describe the...
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This dataset comprises sand and gravel aquifers. Sand and gravel aquifers may be locally important (Lg) or regionally important (Rg). Rg - A sand/gravel aquifer is classed as regionally important if it can supply regionally important abstractions (e.g. large public water...
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The GEMAS dataset is based on low density geochemical sampling of agriculture (Ap) and grassland (Gr) soils across 34 European countries. Sample density covering an area of 5.6 million km2 of 1 site each, arable land (0-20 cm) and land under permanent grass cover (0-10 cm),...
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Groundwater wells and springs. This database contains records of boreholes, dug wells, springs, and site investigations. Data are derived from GSI drilling, fieldwork and surveys, Local Authorities and other state bodies, Private Well Grants, Drillers, Consultants, Group...