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Sub-Bottom Profile Coverage Irish Waters WGS84

Category: Science
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This map shows the areas where sub-bottom profile data is available in Irish waters. Sub-bottom profile data shows the rock features and the sediment layers that are below the seabed.

A sub-bottom profile is created by sending sound waves from the vessel to the seabed. The length of time it takes for these sound wave to return from the seabed to the vessel is measured. The length of time tells us how hard the material below the seabed is. Hard material such as solid rock returns the sound wave very quickly. Soft material such as mud returns the sound wave very slowly.

This map shows where sub-bottom profile data has been collected from the seabed in Irish waters. This data was collected from 1996 to the present date.

It is a vector dataset. Vector data portray the world using points, lines, and polygons (areas).

The coverage is shown as polygons. Each polygon holds information on the unique id, survey id, the name of boat, survey year, whether sub-bottom data was collected, data status, instructions and a url to download data if available.

This data shows areas that have been surveyed. There are plans to fill in the missing areas between 2020 and 2026. The deeper offshore waters were mapped as part of the Irish National Seabed Survey (INSS) between 1999 and 2005. INtegrated Mapping FOr the Sustainable Development of Ireland's MArine Resource (INFOMAR) is mapping the inshore areas. (2006 - 2026).

Data Resources (4)

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Data Resource Preview - WMS

Theme Science
Date released 2013-06-20
Date updated 2021-03-09
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 ['Creative Commons International Attribution 4.0 licence conditions apply', 'https://creativecommons.org/licenses/by/4.0/\n\nRights (can)\n\nShare- copy and redistribute the data in any medium or format\n\nAdapt- remix, transform, and build upon the material for any purpose, even commercially\n\nRequirements (must)\n\nAttribution- Give appropriate credit, provide a link to the licence, and indicate if changes were made. Do so in any reasonable manner, but not in any way that suggests the license endorses you or your use\n\nNo additional restrictions - may not apply legal terms or technological measures that legally restrict others from doing anything the license permits\n\nUnder the CC-BY Licence, users must acknowledge the source of the Information in their product or application.\n\nPlease use this specific attribution statement: "Contains Irish Public Sector Data (Geological Survey Ireland & Marine Institute) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence".', 'license']
Update frequency Annual
Language English
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-17.1, 50.1],[-17.1, 57.1], [-5.01, 57.1], [-5.01, 50.1], [-17.1, 50.1]]]}
Spatial Reference Systems (SRS) WGS 84 (EPSG:4326)
Vertical Extent {"verticalDomainName": "sea level", "minVerticalExtent": "-5000", "maxVerticalExtent": "-1"}
Provenance information In 2021, the data structure was reviewed and a new database was created in ArcGIS Enterprise. Using ArcGIS Pro 2.6.3, the dataset was renamed as part of a GSI data standardisation process. A standardised dataset alias was added. A unique id field was added. A new unique identifier was added for each record using an attribute rule. All existing attributes and the geometry were checked. Attribute errors were corrected. Metadata was updated to new GSI standard based on INSPIRE and ISO standards
Period of time covered (begin) 2003-06-02
Period of time covered (end) 2005-12-31