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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 Habitater og biotoper Havområder Mareano MarineGrunnkart fellesDatakatalog Natur Kyst og fiskeri Forurensning Fjorder og kystnære havområder langs norskekysten Barentshavet Norskehavet Svalbard Norge Norge Mareano Chemistry Seabed enviroment Persistent organic poison Hydro carbon pollution Sediment Marine Grunnkart i Kystsonen infoMapAccessService
Results from geochemical analyzes can be shown on maps and provide an overview of the content of organic pollutants in the sediments. You can thus detect areas with elevated values ​​and pollution. Comparison of concentrations in sediments from the seabed and from deeper sediment layers shows change over time, and thus human influence on the marine environment. The data are important i.a. for the design of management plans, the environmental authorities' map-based presentation in www.vannmiljo.no and contributions to ICES in a European context.
Organic environmental poisons in marine sediments - Levels of PCB7 WMS