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Sediment samples for chemical analyzes have been collected on voyages with the Norwegian Institute of Marine Research's own vessels under the auspices of several different projects, including the MAREANO programme. Multicorer, box sampler and Van Veen grab are used for sampling. Most organic pollutants have been analyzed at the Norwegian Institute of Marine Research's chemistry laboratories. Certain new organic pollutants are analyzed by the Norwegian Institute for Air Research (NILU). Results of all environmental geochemical investigations are collected in a common database together with inorganic pollutants and sediment characteristics from the Geological Survey of Norway (NGU). The data set is suitable for use on a scale of 500,000 - 10,000,000.
Geologi Havområder Habitater og biotoper Norway Digital Open data Mareano MarineGrunnkart Felles datakatalog Forurensning Natur Kyst og fiskeri Mareano Chemistry Seabed enviroment Persistent organic poison Hydro carbon pollution Sediment Marine Grunnkart i Kystsonen infoMapAccessService
PAH 16:
Summed concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) identified as priority pollutants, collected on annual MAREANO cruises. These have been ongoing since 2006. Data from monitoring cruises in the Barents Sea in 2003-2004, as well as for some stations in the pilot project "Marine Ground Map in the Coastal Zone" in 2020-21, are also included in the data set.

MAREANO maps depth, bottom conditions, habitat types and pollution in Norwegian sea areas, see mareano.no
Organic environmental poisons in marine sediments - Levels of PAH 16 WMS