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  4. INFOMAR Bathymetry

INFOMAR Bathymetry

Arna fhoilsiú ag: Geological Survey Ireland
Tuairimí: 620
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The term bathymetry refers to the depth of the ocean relative to sea level. It can also be used to describe the submarine topography or underwater terrain. INFOMAR bathymetry data is measured by multibeam echosounders (MBES). MBES transducers transmit multiple high frequency pulses of sound in a fan shape beneath the vessel, enabling a large swath of seabed to be mapped at high resolution as the vessel moves along. The time taken for the sound to travel through the water and be reflected from the seabed back to the ship is used to calculate the water depth. Sound velocity profiles are taken to calibrate systems as data acquisition is ongoing. The primary purpose of the bathymetric datasets acquired are to update the UKHO Admiralty Chart data. These charts provide all seagoers with up-to-date charts for safe navigation. The data are also used by marine spatial planners, ORE industry and can be used to predict marine habitats.

Data is available as a 32 point floating singleband geotiff. There are three different geotiffs of different resolutions available to download; 10m, 25m and 100m. None

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Dáta eisithe 2017-11-09
Dáta nuashonraithe 2024-07-22
Cloíonn an tacar sonraí leis na caighdeáin seo See the referenced specification
Nótaí Cearta {"While every effort is made in preparing the dataset no responsibility is accepted by or on behalf of the Marine Institute for any errors, omissions or misleading information. The Marine Institute accepts no responsibility for loss or damage occasioned or claimed to have been occasioned, in part or in full, as a consequence of any person acting, or refraining from acting as a result of a matter contained in this datasets or as a consequence of using this dataset for any purpose whatsoever.","A Creative Commons (CC) license is one of several public copyright licenses that enable the free distribution of an otherwise copyrighted work. A CC license is used when an author wants to give people the right to share, use, and build upon a work that they have created. Under Creative Commons CC BY 4.0 the following is granted: Rights Share — copy and redistribute the material in any medium or format; Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Requirements Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",CC%20BY%204.0}
Minicíocht Nuashonraithe Eile
Teanga English
Clúdach Geografach i bhformáid GeoJSON {"type":"Polygon","coordinates":[[[-25.0, 46.8],[-25.0, 57.4], [-5.3, 57.4], [-5.3, 46.8], [-25.0, 46.8]]]}
SRS WGS 84 (EPSG:3857)
Eolas Dualfhoinse Data supplied by Marine Institute.
Tréimhse ama clúdaithe (tús) 1999-01-01
High Value Dataset (HVD) Níl