Marine TDC

The AMAP Marine Thematic Data Centre holds marine contaminants data for monitoring and assessment. The database is hosted by the International Council for the Exploration of the Sea (ICES), Copenhagen, Denmark, and are accessible through their online EcoSystemData warehouse.

AMAP Thematic Data Centres compile data from relevant monitoring and research activities and make them available under strict conditions that protect the rights of data originators. AMAP TDCs are located at established centres with appropriate expertise and facilities for conducting the types of international data handling required. For more information, please visit the main AMAP website.

Below are projects that have specified Marine TDC as one of the data repositories for the AMAP Project Directory. To see the full list of AMAP Thematic Data Centres, see the AMAP TDC list.

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1. AMAP Oil assessment

AMAP has decided to prepare an assessment of the environmental impacts of oil and gas developments in the Arctic and of pollution by petroleum hydrocarbons. The assessment is planned to be ready in 2006. NERI will co-ordinate the Danish/Greenlandic contribution.

PAHs Petroleum hydrocarbons Seabirds Sediments Oil and Gas
2. Contaminants in marine sediments, Svalbard 1997

Surface samples collected around Svalbard in 1997 have been analysed for total content of heavy metals, Polycyclic Aromatic Hydrocarbons (PAHs), Polychlorinated Biphenyls (PCBs) and a selection of pesticides. Sample localities have been selected to include areas not covered by previous investigations. Based on the data set and results from previous expeditions in the area, contamination levels as well as potential sources for the pollutants are discussed. The PAH levels for most stations are moderately elevated with a high contribution of aromatic hydrocarbons associated with petrogenic sources. Hence the dominant sources for the PAHs is most likely derived from petroleum seepage and or coal mining. Long-range transport of aromatics associated with anthropogenic input is a minor component of the observed PAH levels. The highest concentration of PAH is found in Storfjorden with a value higher than the elevated concentrations earlier reported from the south-eastern Storfjorden and over the Central Bank. The concentration levels of the metals arsenic, lead, chromium and nickel were moderately elevated. Because of sparse information on the natural geomorphology, background metal concentrations are not known for this area. Hence, no quantitative comparison of natural and anthropogenic inputs for metals can be made. However, the most dominant source is assumed to be natural and related to the geological conditions in the area. All PCB levels were low, suggesting a dominant influence of long-range transport of these compounds to the area. Pesticide data showed low contamination of all compounds and suggests a predominant long-range atmospheric source for these pollutants.

Pathways Sources Organochlorines PCBs Mapping Heavy metals PAHs Long-range transport Pollution sources Contaminant transport Petroleum hydrocarbons Persistent organic pollutants (POPs) Local pollution Sediments Pesticides Oil and Gas