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This project is now part of the project : Acidifying and Eutrophifying Substances in Air and Precipitation
National Environmental Monitoring in Sweden. The project is included in a European Monitoring and Evaluation Programme network (EMEP). The subprogram main task is to check if international agreements as UN Convention on Long range Trans-boundary Air Pollution (CLTRAP) is followed. The measurements follow up the Swedish national generational goals "Natural Acidification Only", "A Non-Toxic Environment" and "Clean Air". The network comprises 10 stations, out of which three are in north Sweden, the two one are in AMAP area. Air chemistry is monitored by diffusion samplers. The following compounds are measured: SO2, SO4, tot-NH4, tot-NO3, soot, NO2. Precipitation quality is monitored following measured compounds: SO4-S, NO-N, Cl, NH4-N, Ca, Mg, Na, K, pH, EC. Metals in air and precipitation are analysed only at one north station (Bredkälen), and include: As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Zn, V, Hg, methyl-Hg.
Aerosols, Clouds, and Trace gases Research InfraStructure - ACTRIS is a research infrastructure on the ESFRI roadmap from March 2016. ACTRIS is currently supported by the European Commission Horizon 2020 Research and Innovation Framework Programme (H2020-INFRAIA-2014-2015) from 1 May 2015 to 30 April 2019.
The objectives of ACTRIS Research Infrastructure
Detecting changes and trends in atmospheric composition and understanding their impact on the stratosphere and upper troposphere is necessary for establishing the scientific links and feedbacks between climate change and atmospheric composition.