continental shelf
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Dataset gives outlines of probable occurrences of coral reefs on the Norwegian Continental Shelf without specifying confidence classes. Such outlines are particularly useful for comparing coral occurrences and recognition confidence classification with detailed bottom relief and other types of data. This dataset is one of four datasets created by the automatic classification of detailed bathymetry data.
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The data set shows the total thickness of sediments deposited on the continental shelf and slope off the south and west of Norway in the Quaternary (the last 2.6 million years). The thickness varies greatly over the mapped area, from 0 to 1800 ms twt (milliseconds two-way travel time) (about 0 to 1500 m).
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The map layer features the landscape classification in the sea areas, defined as a larger geographical area with visually uniform character. The classification is based on bathymetry with 50 meter resolution and is part of the basis for the MAREANO habitat mapping. Read more about landscape http://www.mareano.no/tema/marine_landskap
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Modelled biotopes on the TromsII/NordlandVII area. Analyses of species counts from 222 video transects has allowed to identify ten different biotopes in Troms II/ Nordland VII area. Geological, morphological and oceanographic variables have been used for spatial prediction of the distribution of biotopes across area.
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Modelled biotopes on the Mid-Norwegian Shelf. Seven biotopes have been identified in the area through the use of multivariate statistics, based on bathymetry, geology and dominating fauna.
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Modelled biotopes in the NordlandVI area. MAREANO video data were to determine the biological communities and this information was put together with bathymetry, terrain and geological data to model the overall distribution of biotopes. Nine biotopes have been identified in the area through the use of multivariate statistics.
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Index layer showing the areas where mapping and/or modelling of shell sand is carried out.
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Distribution of shell sand localities based on modelling. Modelling is based on data collected by NGU, and carried out by NIVA, in the frame of nation program for mapping of biological diversity.
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Sediment thickness above bedrock on the Norwegian continental shelf.