The AMAP Atmospheric Thematic Data Centre holds atmospheric contaminants data for monitoring and assessment. The database is hosted by the Norwegian Institute for Air Research (NILU), Kjeller, Norway, and is accessible through their EBAS database.
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.
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The main objective is to quantify the levels of air pollution in the artctic, and to document any changes in the exposures. It includes the necessary components to address impacts on ecosystems, human health, materials and climate change.
GAW serves as an early warning system to detect further changes in atmospheric concentrations of greenhouse gases and changes in the ozone layer, and in the long-range transport of pollutants, including acidity and toxicity of rain as well as the atmospheric burden of aerosols.
The overall objectives for operation of the station will follow those defined in the AMAP programme. The main interests are the levels and trends of airborne toxic pollutants (POPs and heavy metals) in northern Fennoscandia.
Stationary systematic observations of pollution in atmospheric air and precipitation. During 2000, observations of contaminant levels in atmospheric air in the cities of Murmansk, Nickel, Monchegorsk, Salekhard and Norilsk were conducted. Monitoring of sulphur and nitrogen compounds in air and precipitation was continued at the above locations and also at Yaniskosky (Kola peninsula) and Pinega (Arkhangelsk region) under the EMEP programme framework. Observations of CO2 were continued at the Teriberk station. Observations of the chemical content of atmospheric precipitation were carried out at 5 stations in the Arctic network of stationary observations: in the Krasnoshelye settlement area (Kola peninsula), Naryan-Mar (Pechora river area), Dikson Island, Turuhansk (Yenisey river area), and Kusyur settlement area (Lena river). Under a joint Russian-Canadian-AMAP project, monitoring of POPs and (from 2001) mercury in air at the Amderma site is conducted.
In 2000 it is proposed to operate an atmospheric programme consisting of a monitoring and a modelling part and composed of 3 programme modules. The monitoring programme consists of two parts. I. It is proposed to continue the weekly measurements of acidifying components and heavy metals at Station Nord in north-east Greenland for assessment of atmospheric levels and trends. The measuring programme includes also highly time resolved measurements of Ozone and of total gaseous Mercury (TGM). The results will also be used for continued development and verification of the transport model calculations. Receptor modelling of the pollution composition will be used for identification and quantification of the source types that influence the atmospheric pollution in north-east Greenland. Comparison of the two sets of modelling results is expected to give better models. II. The purpose of the project is the operation of a permanent air monitoring programme in the populated West Greenland at a location which is representative for transboundary air pollution. The most promising sites are located in the Disko Bay area and in the vicinity of Nuuk. The objectives are to obtain data on the concentration levels of air pollutants that can be used for assessing seasonal variations and trends and for studying long range transport of pollutants mainly from North America to West Greenland. The purpose is further to provide data for development and improvement of long range transport models that can be used to identify the origin of the pollution and its transport pathways. The results from measurements and model calculations will be used to assess the magnitude of deposition to sea and land in this populated region of Greenland. III. In the proposed modelling programme the operation, application and maintenance of the current basic hemispheric model will be continued. Results on origin, transport, and deposition of contaminants on land and sea surfaces in the Arctic are essential for interpretation and understanding the Arctic air pollution. The model will be developed to improve the spatial and temporal resolutions, as well as the accuracy by including physically and mathematically better descriptions of the key processes treated in the model. The work to expand the model to include also non-volatile heavy metals, such as Cadmium and Lead on an hemispheric scale will be continued. Since the atmospheric chemistry of Ozone and Mercury seem to be strongly connected in the Arctic it is planned to continue the development and testing of a model module for hemispheric transport and chemistry for ozone and mercury to assess the origin and fate of this highly toxic metal in the Arctic.