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CV16001 Rockall OBS (Broad Band Ocean Bottom Seismographs) Network Deployment Survey

Arna fhoilsiú ag: Marine Institute
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This survey, led by Dublin Institute for Advanced Studies (DIAS), took place in January 2016 on board the Marine Institute's R.V. Celtic Voyager off the North West coast of Ireland. The aim of the survey was to deploy 10 Broad Band Ocean Bottom Seismographs (OBSs) units across the shelf offshore Donegal and out into the Rockall Trough in order to study microseims. Compared to earthquakes, microseisms represent background seismic noise generated by ocean wave pressure fluctuations on the sea floor which generate low frequency seismic waves. The OBS stations will record around 8 months worth of seismic data at the sea floor and will be recovered in August 2016. The main goal of the survey is to investigate the generation mechanism as well as spatial and temporal distributions of dominant microseism source regions. Each OBS unit also includes an acoustic sensor (hydrophone) which will be used to study the coupling of seismic and acoustic signals at the sea bed and its evolution in both the deep water and shelf areas. The OBS network is the first ever attempt to closely monitor local offshore earthquakes. The aim of the survey was to deploy 10 Broad Band Ocean Bottom Seismographs (OBSs) units to investigate the generation mechanism as well as spatial and temporal distributions of dominant microseism source regions.

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Dáta eisithe 2018-01-18
Dáta nuashonraithe 2018-11-29
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}
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Clúdach Geografach i bhformáid GeoJSON {"type":"Polygon","coordinates":[[[-12.517025999999984, 54.571265000000004],[-12.517025999999984, 55.852485], [-8.4414909999999, 55.852485], [-8.4414909999999, 54.571265000000004], [-12.517025999999984, 54.571265000000004]]]}
SRS WGS 84 (EPSG:3857)
Eolas Dualfhoinse Data supplied by Marine Institute.
Tréimhse ama clúdaithe (tús) 2016-01-13
Tréimhse ama clúdaithe (deireadh) 2016-01-22