INFOMAR Sediment Grab Samples

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A grab sample is a sample of sediment taken from the seabed. This is a sediment sample database of samples collected to date by INSS, INFOMAR and related projects. They include ADFish, DCU, FEAS, GATEWAYS, IMAGIN, IMES, INIS_HYRDO, JIBS, MESH, SCALLOP, SEAI, UCC. Each sample point has some information recorded during collection including location, sample ID and preliminary description. Where available the shapefile also shows the results of partical size analysis (PSA) carried out on samples from 2004. PSA groups grains into mud, sand and gravel on the basis of their diameter. The relative proportion of the grains in the three categories is given as a percentage and used to classify the sample using the Folk Classification scheme. This analysis is also used to determine if the sample is well or poorly sorted. The database contains information (where available) on:YEAR, SURVEY, VESSEL, SAMPLE_ID, SAMPLER, DATE, TIME, LAT, LONG, DEPTH, RECOVERY, DSCRIPTION, COMMENT, REPORT, MUD, SAND, GRAVEL, PSA_DSCRPT, FOLK_CLASS, SOURCE, IMAGE.

Data Resources (9)

available as WMS
available as www:download-1.0-http--download
available as HTML
available as HTML
Geological Survey Ireland home page
INFOMAR home page
Geological Survey Ireland home page
Marine Institute home page
Department of Communications, Climate Action and the Environment home page

Data Resource Preview - Web Map Service

Theme Environment
Date dataset released 2017-11-13
Date dataset updated 2020-12-15
Dataset conforms to these standards See the referenced specification
Rights notes {"Consult license for use limitations",otherRestrictions,otherRestrictions}
Update frequency Other
Language English
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-25.0, 46.8],[-25.0, 57.4], [-5.3, 57.4], [-5.3, 46.8], [-25.0, 46.8]]]}
Spatial Reference Systems (SRS) WGS 84 (EPSG:3857)
Provenance information Data supplied by Geological Survey Ireland.
Period of time covered (begin) 2002-01-01
Period of time covered (end) 9999-12-31

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