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EolaíochtWater 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 Groundwater Subsoil Permeability map classifies how easy water can infiltrate subsoils downwards at any point in the land surface. Permeability across the country is classified as either ‘High’, ‘Moderate’ or ‘Low’. This map is used to determine groundwater vulnerability...
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This Hydrostratigraphic Rock Unit Groups map is a reclassification of the 1:100,000 bedrock geology map, created by grouping bedrock formations and members into 27 Rock Unit Group categories based on their hydrogeological properties and other factors.
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Two Source Protection Areas (SPAs) are delineated. The Inner Protection Area (SI), designed to protect against the effects of human activities that might have an immediate effect on the source and, in particular, against microbial pollution. The Outer Protection Area (SO),...
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Different aquifers have differing abilities to store and transmit water. Based on the hydrogeological characteristics and on the value of the groundwater resource, GSI has classified Ireland’s land surface into aquifer categories. GSI Aquifer classes are divided into three...
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Different aquifers have differing abilities to store and transmit water. Based on the hydrogeological characteristics and on the value of the groundwater resource, GSI has classified Ireland’s land surface into aquifer categories. GSI Aquifer classes are divided into three...
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Groundwater is the water stored below ground in tiny cracks in the rock or in very small spaces between sand grains. It comes from rainwater that soaks into the ground into an aquifer. An aquifer is a body of rock and/or sediment that holds groundwater. The process of rain...
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A collection of internal and external reports and papers with an associated access database. Groundwater Protection Schemes Reports available for: Cavan, Clare, South Cork, Donegal, Kerry, Kildare, Kilkenny, Laois, Limerick, Meath, Monaghan, Offaly, Roscommon, Tipperary North...
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Karst is a landscape with distinctive landforms that develop on rock types that are readily dissolved by water. In Ireland, karstification mostly occurs in limestone regions. This karst dataset contains mapped karst landforms in Ireland including: boreholes, caves, dry...
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The Quaternary geology of Ireland – Sediments Map is a representation of the surficial geology of Ireland at a scale of 1 to 50,000.
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This dataset is the GSI’s legacy borehole database, compiled over many years from many sources. This dataset is available while we make significant improvements to our borehole holdings.
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The verified drill holes dataset is a cartographic representation of the collar coordinates of Geological Survey Ireland drill holes combined with a new compilation of historical mineral exploration holes from the Open File system.
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TimpeallachtThe MSFD commission staff working paper (CSWP) defines predominant habitat types required for use in MSFD habitats initial reporting article 8 Analysis of essential features and characteristics (Art 8.1a Habitats). These predominant habitat typologies broadly correspond to...
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Nephrops Functional Units represent geographic area management and reporting units for Nephrops Underwater Television (UWTV) surveys. The Irish Functional units 30 divisions were based on ICES Statistical Rectangle boundaries. The prawn (Nephrops norvegicus) are common around...
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TimpeallachtThe prawn (Nephrops norvegicus) are common around the Irish coast occurring in geographically distinct sandy/muddy areas were the sediment is suitable for them to construct their burrows. Nephrops spend a great deal of time in their burrows and their emergence from these is...
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Marine sediment is considered any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanism, chemical precipitates from...
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The location and other relevant information (contact information, fees and services) for marinas around Ireland. This data was created in support activity analysis as part of Marine Strategy Framework Directive article 8, 9 10 reporting. Please note that this data is not...
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Macro-invertebrate are animals without backbones, visible to the naked eye. Data includes annual species richness and abundance (river macro-invertebrate). Data geographical coverage is 16 sites across the Newport facility Burrishoole catchment. Data on macro-invertabrates has...
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This data represents a seamless bedrock geological dataset encompassing Rep of Ireland and parts of Northern Ireland derived from 1:500,000 scale data. This map presents the bedrock data from the OneGeology-Europe map project (www.onegeology-europe.org) coloured to an Irish...
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TimpeallachtThe Automatic Water Quality Monitoring Stations (AWQMS) measure the following parameters at high frequency (sub 10 mins): DateTime, Depth (m), Water temperature (degC), Conductivity (milli Siemens/cm), Salinity (parts per thousand), DOPC (% Saturation), DO (mg/l), pH (pH...