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Service Description: 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 Sub-bottom profile lines show the route of the boat as it collected Sub-bottom profile (SBP) data. We refer to these lines as tracklines. Each line holds information on the vessel name, survey id, no. of lines in each survey, file name, sensor and url’s to download the data and reports.
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).
IE_GSI_MI_Sub_Bottom_Profile_Tracklines_Inshore_IE_WGS84
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Description: 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 Sub-bottom profile lines show the route of the boat as it collected Sub-bottom profile (SBP) data. We refer to these lines as tracklines. Each line holds information on the vessel name, survey id, no. of lines in each survey, file name, sensor and url’s to download the data and reports.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).
Service Item Id: 45c0f81cadb546429f1814dd54484445
Copyright Text: Geological Survey Ireland & Marine Institute
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Title: IE GSI MI Sub-Bottom Profile (SBP) Tracklines Inshore Ireland WGS84
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Comments: 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 Sub-bottom profile lines show the route of the boat as it collected Sub-bottom profile (SBP) data. We refer to these lines as tracklines. Each line holds information on the vessel name, survey id, no. of lines in each survey, file name, sensor and url’s to download the data and reports.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).
Subject: Knowing the geological structure beneath the seabed is very important, especially for anything that is built or laid on the seafloor.
The data is helpful when building structures on the seabed such as offshore energy devices (wind, tide and wave), bridges and tunnels. The maps help to select the best site for the structure. Understanding the nature of the seabed (strength and type of sediment) will help prevent any disasters or long term problems with a structure. This can be done by avoiding unsuitable seabed or engineering a project to suit the type of seabed it is to be built on.
The data is useful for laying cables and pipelines on the seabed. They help find the best route to lay them and help spot any hazards like shipwrecks.
Category:
Keywords: Geology,ship survey,marine,seabed,survey,sub-bottom profile,Geotechnics,trackline,seabed,survey,Geological Survey Ireland,Marine Institute,INFOMAR
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