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INFOMAR Seabed Sediment Samples Granulometry

Published by: Marine Institute
Category: Environment
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INFOMAR Seabed Samples Particle Size Analysis represent locations where samples have been taken and particle size analysis (PSA) carried out on samples. PSA is applied to determine the range of sediment sizes contained in the sample. These size classes can then be grouped into mud, sand and gravel on the basis of their diameter with the boundary between mud and sand size grains at 63µm (0.063mm) and the boundary between sand and gravel size grains at 2mm. The relative proportion of the grains in the three categories is then used to classify the sediment present in the sample. The Folk Classification scheme has 15 classes to describe the sediment. Gradistat software was used to classify the PSA output for each sediment sample into a Folk sediment class and to provide information on the sorting and metrics for the mode and D50. None

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Theme Environment
Date released 2022-11-25
Date updated 2023-10-05
Dataset conforms to these standards See the referenced specification
Rights notes {"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}
Update frequency Other
Language English
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-24.5, 47.75],[-24.5, 57.3331], [-3.591, 57.3331], [-3.591, 47.75], [-24.5, 47.75]]]}
Spatial Reference Systems (SRS) WGS 84 (EPSG:3857)
Provenance information Data supplied by Marine Institute.
Period of time covered (begin) 2002-01-01