Sweden: projects/activities

Directory entires that have specified Sweden as the primary or lead country for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. To see the full list of countries, see the countries list. The specified country may not be the geographic region where the activity is taking place - to select a geographic region, see the list of regions.

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Displaying: 1 - 6 of 6
1. Measurements of climate-influencing substances on Svalbard

National Environmental Monitoring in Sweden in the "Air" programme. The objective of the project is to follow climate-changing gases and particles and which effects they could have on the climate of earth. To understand and assess the human effect on the climate, regionally and globally, the atmospheric aerosols and greenhouse gases are monitored. The project aims follow: (i) detecting long-term trends in the carbon dioxide level, as well as trends in the amount or composition of aerosols in the background atmosphere; (ii) provide a basis to study the processes that control the aerosol life cycle from their formation through aging and transformation, until being removed from the atmosphere; (iii) provide a basis to study the processes (sources, sinks, and transport pathways) that control the level of carbon dioxide in the atmosphere; (iv) contribute to the global network of stations that perform continous measurements of atmospheric particles and trace gases to determine their effect on the earths radiation balance and interaction with clouds and climate.

Arctic Atmosphere Atmospheric processes Carbon dioxide CH4 Climate Climate change Climate variability CO2 Contaminant transport Data management Emissions Light absorption Light dispersion Long-range transport methane Particle concentrations Particle size distribution Temporal trends
2. Arctic study of trophospheric aerosol, clouds and radiation

Arctic study of trophospheric aerosol, clouds and radiation

aerosols trace gases Arctic Arctic haze Atmosphere Atmospheric processes Climate Climate change Emissions Long-range transport
3. Fourier Transform Infra-Red spectrometry

FT-IR spectrometers are capable to quantifiy the total column amounts of many important trace gases in the troposphere and stratosphere. At present the following species are retrieved from the Kiruna data: O3 (ozone), ClONO2, HNO3, HCl, CFC-11, CFC-12, CFC-22, NO2, N2O, NO, HF, C2H2, C2H4, C2H6, CH4, CO, COF2, H2O, HCN, HO2NO2, NH3, N2, and OCS Selected research topics and activities: chemical ozone depletion by observation of key species (O3, ClONO2, HNO3, HCl, ..) details of the ozone formation process by isotopic studies in ozone profile retrieval to detect dynamical changes transport studies of chemical tracers and tropospheric pollutants satellite validation

Atmospheric processes Ozone Organochlorines Geophysics chlorofluorocarbons (CFC) Modelling Emissions Arctic Atmosphere Temporal trends
4. Fourier Transform Infra-Red spectrometry

FT-IR spectrometers are capable to quantifiy the total column amounts of many important trace gases in the troposphere and stratosphere. At present the following species are retrieved from the Kiruna data: O3 (ozone), ClONO2, HNO3, HCl, CFC-11, CFC-12, CFC-22, NO2, N2O, NO, HF, C2H2, C2H4, C2H6, CH4, CO, COF2, H2O, HCN, HO2NO2, NH3, N2, and OCS Selected research topics and activities: chemical ozone depletion by observation of key species (O3, ClONO2, HNO3, HCl, ..) details of the ozone formation process by isotopic studies in ozone profile retrieval to detect dynamical changes transport studies of chemical tracers and tropospheric pollutants satellite validation

Atmospheric processes Ozone Organochlorines Geophysics chlorofluorocarbons (CFC) Modelling Emissions Arctic Atmosphere Temporal trends
5. Descartes

Objectives 1. To develop the measurement technique further, providing more accurate measurements and extend the method to a larger number of trace species 2. To monitor the presence of CFC:s and other longlived anthropogenic tracers in the stratosphere 3. To use long-lived anthropogenic species as tracers of atmospheric motion, in particular for comparison with atmospheric models Reserarchers: Descartes is a joint research programme currently involving N.R.P Harris and J.A. Pyle, Centre for Atmospheric Science at the Department of Chemistry, University of Cambridge, U.K., and Hans Nilsson and Johan Arvelius, Swedish Institute of Space Physics, Kiruna, Sweden

Atmospheric processes Ozone Geophysics Chlorofluorocarbons (CFC) Emissions Arctic Atmosphere Temporal trends
6. Long-Term and Solar Variability effects in the Upper Atmosphere

Objective: to determine how solar activity influences temperatures, winds, electric currents and minor constituents and to allow possible anthropogenic influences to be determined. Uses primarily measurements by the ESRAD and EISCAT radars, plus ground-based and balloon-borne measurements of atmospheric electric fields and currents.

Atmospheric processes Noctilucent clouds Geophysics Climate variability Solar Proton Events Climate Climate change Modelling Emissions Arctic Atmosphere Polar mesospheric summer echoes (PMSE) Temporal trends