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mud

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  • Phys. envir. W.Barents Sea

  • Observation points: bottom types

  • Seabed Sediments (grain size), scale 1:100 000, NGU, MAREANO

  • Seabed sediments - Grain size

    Seabed sediments (grain size) show the grain size composition in the upper part (upper 0-50 cm) of the seabed. The dataset series comprise three datasets: Seabed sediments (grain size), overview, Seabed sediments (grain size), regional and Seabed sediments (grain size), detailed. The three individual datasets are digitized in different scales and have different data coverage.

  • Seabed sediments (grain size), detalied (scale > 1:50 000)

  • Lead level in surface sediments

    Lead (Pb) level in seabed surface sediments,

  • Seabed sediments (grain size), overview

    This dataset contains the grain size composition of seabed sediments upper part. Grain size data are based on analyzes of seabed samples, analysis and interpretation of digital reflectivity data and interpretation of analog and digital seismic data. In the attribute table of the data set, information is given about the different grain size classes based on the content of different fractions in sediments.

  • Seabed sediments (grain size), regional

    This dataset contains the grain size composition of seabed sediments upper part (top 0-50 cm of the seabed). The attribute table for the data set provides information on the different grain size classes and which term is used, based on the content of different grain sizes in sediments. Based on information about grain size distribution, other topics can be further developed, such as sedimentation environment, bottom stream data, information on hard and soft bottoms, etc.

  • Accumulation basins

    Accumulation basins are the natural depressions on the sea floor with very weak bottom currents and prevailingly fine grained sediments. The renewal of bottom water in natural depressions on the seafloor my be so slow, that input of extra organic matter (f.ex. from fish farms) may result in reducing conditions.

  • Seabed sediments (grain size), detailed

    The data set shows the grain size composition in the upper part of the seabed sediments (upper 0-50 cm of the seabed). The attribute table for the data set provides information on the different grain size classes and which term is used based on the content of different fractions in sediments. Based on information about grain size distribution, other topics can be further developed, such as sedimentation environment, bottom stream data, information on hard and soft bottoms, etc.