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Continuous anthropogenic noise HOLAS 3 (Baltic sea)

Baseline excess level of noise Data modelled into 0.4 km x 0.4 km grid. Baseline excess sound pressure levels at one 1/3 octave band of 125 Hz exceeded at least 50% of the time in the full water column 2018, normalized. Only baseline excess level included data is directly providing information on the pressure, normalized

Measured and modelled acoustic data is provided as Sound Pressure Level (SPL). The time period for the data is annual values for year 2018. The selected depth interval is 0 m – bottom to represent the ambient underwater noise in the whole water column.

Data and Resources

Additional Info

Field Value
Original title Input of continuous anthropogenic sound HOLAS 3 (Baltic sea)
Original abstract
Topic category
  • source_of_pollution
Sub category
Resource language English
Domain area
  • baltic_sea
Owner HELCOM
Provider HELCOM
Data portal helcom
Presentation form Map (map represented in raster or vector form)
Spatial representation Raster (grid)
Coordinate reference system epsg:3035 - ETRS89 / LAEA Europe
Web services
    Derives from
    Derived datasets
    Successor of
    Predecessor of
    Temporal extent 2022-11-01
    2025-10-31
    Spatial extent
    Data accessibility
    Validation level Official data
    Additional information
    Metadata completeness Complete
    Notes

    Additional info - MSP - Environment

    Species, habitats, ecosystems, pressures

    Field Value
    MSFD Classes Pressure: Substances, litter and energy - Input of anthropogenic sound
    MSFD Descriptors/Criteria
    • D11C1 Anthropogenic impulsive sound
    • D11C2 Anthropogenic continuous low-frequency sound
    Non MSFD Classes Pressures
    WFD

      Additional info - MSP - Oceanographic and CC

      Physics, biochemistry, EOV, ECV

      Field Value
      Variables

        Additional info - MSP - Conservation

        Protected areas, OECM, IBA, EBSA, CCH, IMMA, ...

        Field Value
        Types
          Zonation

          Additional info - MSP - Maritime activities

          Aquaculture, fishing, transport, energy, ...

          Field Value
          Activity types

            Additional info - MSP - Coastal & Land use and planning

            Land use, land cover, planning (strategic, coordination, operational)

            Field Value
            Types

              Additional info - MSP - Socio-economic

              Living and non-living resources, shipping, tourism, energy, ...

              Field Value
              Activity types
                Value types
                  Categories

                    Additional info - MSP - Ecosystem Services

                    Provisioning, regulation & maintenance, cultural

                    Field Value
                    CICES classes

                      Additional info - MSP - Legal, Governance & Planning

                      Strategic, legislation, planning, administrative, enforcement

                      Field Value
                      Themes Environment (e.g. pollution and biodiversity)
                      Functions
                        Who is in charge?

                        Additional info - MSP - Relevance

                        Relevance of the dataset / resource in supporting the MSP process at different spatial scales and temporal frames

                        Field Value
                        Relevance (spatial and temporal)