@prefix dcat: . @prefix dct: . @prefix foaf: . @prefix xsd: . a dcat:Dataset ; dct:description """The presence and absence of the four substrate and four biological cover types were documented at 1,353 locations on the insular shelf south of St. Thomas and St. John. At each location, an underwater camera system was used to collect high definition (HD) video at 30 frames per second at 1080x1920 resolution. This GIS dataset depicts the location of these underwater videos, as well as the name, location, time collected, and the presence and absence of the substrate and cover types. A portion of these underwater videos (n=1,005) were used to develop the habitat predictions and the composite habitat map. A separate subset of these underwater videos (n=348) were used to assess the performance of the habitat predictions and accuracy of the composite habitat map. For more details, see Costa et al. 2017 and Costa et al. 2018. Keywords: Ground Validation; Accuracy Assessment; Acropora Cervicornis; Acropora Palmata; Bathymetry; Benthic Habitat; Coastal Ocean Science; Coral Reef; Insular Shelf; Seagrass; Seaviewer; Snorkel; Trimble GeoXH; Underwater Video.""" ; dct:identifier "0b07248a-c62e-4d5a-8535-e7c666ca99b5" ; dct:issued "2025-11-29T00:15:55.630661"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.630665"^^xsd:dateTime ; dct:publisher ; dct:title "NCCOS Assessment: Underwater Video for Ground Validation and Accuracy Assessment of Benthic Habitat Maps of the Insular Shelf South of St. Thomas and St. John, U.S. Virgin Islands, 2010-03-20 to 2017-02-10" ; dcat:distribution , , , , , , , ; dcat:keyword "amerigeo", "amerigeoss", "ckan", "geo", "geoss", "national", "north-america", "united-states" . a dcat:Distribution ; dct:description "Costa, B., L.M. Kracker, T. Battista, W. Sautter, A. Mabrouk, K. Edwards, C. Taylor, and E. Ebert. 2017. Benthic Habitat Maps for the Insular Shelf South of St. Thomas and St. John. NOAA Technical Memorandum NOS NCCOS 241. Silver Spring, MD. 59 pp. https://doi.org/10.7289/V5/TM-NOS-NCCOS-241" ; dct:issued "2019-02-27T07:43:24.031041"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.624040"^^xsd:dateTime ; dct:title """ Citation URL """ ; dcat:accessURL . a dcat:Distribution ; dct:description "A free, fully interactive, user friendly, online platform designed to let users explore benthic habitat mapping data. Users can create fully customizable maps by clicking on a data layer in the table of contents and display aerial and acoustic imagery rasters, benthic habitat and geographic zone shapefiles, and ground validation/accuracy assessment video sites. Ground validation and accuracy assessment videos are available for viewing (streaming) and for download in standard or high resolution." ; dct:format "ESRI Map Service" ; dct:issued "2019-02-27T07:43:24.031007"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.622111"^^xsd:dateTime ; dct:title "USVI Insular Shelf BIOMapper Web Application" ; dcat:accessURL . a dcat:Distribution ; dct:description "NCCOS Research Project Webpage: Developing a Benthic Habitat Map for the Insular Shelf South of St. Thomas and St. John " ; dct:issued "2019-02-27T07:43:24.031051"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.624780"^^xsd:dateTime ; dct:title """ Citation URL """ ; dcat:accessURL . a dcat:Distribution ; dct:description "Online directory containing video files." ; dct:format "MP4" ; dct:issued "2019-02-27T07:43:24.031028"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.622897"^^xsd:dateTime ; dct:title "USVI Insular Shelf Videos" ; dcat:accessURL . a dcat:Distribution ; dct:description "Data index containing file-level documentation for all video including benthic habitat characteristics: FID; PROJECT; GEOGRAPHIC REGION; SITE TYPE; ASSESSMENT TYPE; SITE ID; DATE COLLECTED; TIME COLLECTED; LATITUDE; LONGITUDE; NORTHING; EASTING; DEPTH; URL LINK; CORAL REEF; PAVEMENT; RHODOLITH; SAND; HARD CORAL; SOFT CORAL; MACROALGAE; SPONGE; SEAGRASS; ARTIFICIAL; UNKNOWN; NOTES (from the field or the data managers). " ; dct:format "CSV" ; dct:issued "2019-02-27T07:43:24.031022"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.622517"^^xsd:dateTime ; dct:title "Data Index for USVI Insular Shelf Video" ; dcat:accessURL . a dcat:Distribution ; dct:description "NCCOS Data Collections: Benthic Habitat Mapping" ; dct:issued "2019-02-27T07:43:24.031046"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.624421"^^xsd:dateTime ; dct:title """ Citation URL """ ; dcat:accessURL . a dcat:Distribution ; dct:description "Costa, B., L. Kracker, T. Battista, W. Sautter, A. Mabrouk, K. Edwards, C. Taylor, and E. Ebert. 2018. NCCOS Assessment: Benthic Habitat Map for the Insular Shelf South of St. Thomas and St. John, U.S. Virgin Islands (NCEI Accession 0170098). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/V5930RFV" ; dct:format "NCEI Data Archive Accession" ; dct:issued "2019-02-27T07:43:24.031032"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.623268"^^xsd:dateTime ; dct:title "USVI Insular Shelf Benthic Habitat Map Data" ; dcat:accessURL . a dcat:Distribution ; dct:description "This geodatabase contains the benthic habitat maps, along with predictors and coefficients of variation for the insular shelf south of St. Thomas and St. John. Also contained within the database are the boundaries of shorelines and marine protected areas, the locations of ground validation and accuracy assessment sites, and results from fisheries acoustics surveys from the 2004-2010 Nancy Foster Seafloor mapping missions. This database will be used for the NCCOS Biomapper web mapping service which will provide users a platform to view the benthic habitat mapping layers of the Insular Shelf project." ; dct:format "Esri REST" ; dct:issued "2019-02-27T07:43:24.031037"^^xsd:dateTime ; dct:modified "2025-11-29T00:15:55.623637"^^xsd:dateTime ; dct:title "USVI Insular Shelf MapServer Web Service" ; dcat:accessURL . a foaf:Agent ; foaf:name "US Migrating" .