Arctic, Circumpolar: projects/activities

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Directory entires that have specified Arctic, Circumpolar as one of the geographic regions for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. Note that the list of regions is not hierarchical, and there is no relation between regions (e.g. a record tagged with Nunavut may not be tagged with Canada). To see the full list of regions, see the regions list. To browse the catalog based on the originating country (leady party), see the list of countries.

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Displaying: 1 - 10 of 10
1. FUVIRC-Finnish Ultraviolet International Research Centre

FUVIRC will serve ecosystem research, human health research and atmospheric chemistry research by providing UV monitoring data and guidance (i.e. calibration of instruments, maintenance of field test sites), research facilities (laboratories and accommodation), instruments and equipment.

Arctic Atmosphere Biodiversity Biological effects Biology Climate change Ecosystems Forest damage Geophysics Human health ozone Populations Reindeer Temporal trends UV radiation
2. LAPBIAT-Lapland Atmosphere-Biosphere facility

The main objective of the facility is to enhance the international scientific co-operation at the seven Finnish research stations and to offer a very attractive and unique place for multidisciplinary environmental and atmospheric research in the most arctic region of the European Union. Factors such as, arctic-subarctic and alpine-subalpine environment, northern populations, arctic winters with snow, changes in the Earth's electromagnetic environment due to external disturbances and exceptionally long series of observations of many ecological and atmospheric variables should interest new users.

Arctic Atmosphere Atmospheric processes Biodiversity Biological effects Biology Climate Climate change Climate variability Data management Ecosystems Emissions Environmental management Exposure Geophysics Human health Local pollution Long-range transport Modelling ozone Persistent organic pollutants (POPs) Populations Reindeer Spatial trends Temporal trends UV radiation
3. ISACCO(Ionospheric Scintillations Arctic Campaign Coordinated Observations)

The polar ionosphere is sensible to the enhancement of the electromagnetic radiation and energetic particles coming from the Sun expecially around a maximum of solar activity . Some typical phenomena can occur such as, among the others, geomagnetic storms, sub-storms and ionospheric irregularities. In this frame the high latitude ionosphere may become highly turbulent showing the presence of small-scale (from centimetres to meters) structures or irregularities imbedded in the large-scale (tens of kilometers) ambient ionosphere. These irregularities produce short term phase and amplitude fluctuations in the carrier of the radio waves which pass through them. These effects are commonly called Amplitude and Phase Ionospheric Scintillations that can affect the reliability of GPS navigational systems and satellite communications. The goal of this proposal is to contribute to the understanding of the physical mechanisms responsible of the ionospheric scintillations as well as to data collecting for nowcasting/forecasting purposes at high latitude. As the scarceness of polar observations, the specific site near Ny-Ålesund is of particular experimental interest.

Mapping Geophysics Modelling Arctic Atmosphere ionospheric scintillation and TEC (Total Electron Content) monitoring.
4. Millimetre wave radiometer for stratospheric trace gas measurements

A millimeter wave radiometer is started operation at the Swedish Institute of Space Physics, Kiruna, Sweden. The location of the instrument (67.8 N, 20.4 E) allows continuous observation of the evolution of ozone and ozone related trace gases in the Arctic polar stratosphere. It is designed for measurements of thermal emission lines around 204 Ghz. At this frequency observations include of ozone, chlorine monoxide, nitrous oxide, and nitric acid.

Ozone Geophysics Climate Modelling Arctic Atmosphere Temporal trends
5. Differential Optical Absorption Spectrometer

The DOAS instrument consists of grating spectrometer covering the visible and near ultraviolet spectral region. Zenith-scattered sunlight is collected by simple one-lens telescopes and fed via optical fiber bundles into the spectrometers, where atmospheric absorption spectra are obtained. The instrument runs automatically. Total column densities of the stratospheric trace species ozone, NO2, BrO, and OClO are retrieved from the spectra using the DOAS algorithm. These are species that play a major role in ozone chemistry, either by themselves in ozone destruction (BrO) or as indicators of chlorine activation/deactivation (OClO). The chemistry and dynamics of ozone destruction is investigated, e.g. with respect to the location of the polar vortex during the winter. The instrument is also useful for detection of polar stratospheric clouds using the zenith-sky colour index method.

Ozone Geophysics Modelling Arctic Atmosphere Temporal trends
6. 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
7. 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
8. SKERRIES - stratospheric climatology by regular balloon-borne

Objective: to collect climatology information on the seasonal and year-to-tear variability of stratospheric CFCs, water vapour and atmospheric electrical parameters.

Atmospheric processes Geophysics Climate variability Spatial trends Climate change Arctic Atmosphere Temporal trends
9. 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
10. Validation of SAGE III satellite data

SAGE III was successfully launched on 10. Dec. 2001 on a Russian M3 rocket. It provides accurate data of aerosols, water vapour, ozone, and other key parameters of the earth's atmosphere. The science team of the SAGE III experiment at NASA has nominated the Koldewey-Station as an anchor site to contribute within the Data Validation Plan as part of the Operational Surface Networks. Data directly relevant to the SAGE III validation are aerosol measurements by photometers and lidar, as well as temperature measurements and ozone profiling by balloon borne sondes, lidar and microwave radiometer. Data will be provided quasi online for immediate validation tasks.

Atmospheric processes ozone UV radiation trace gases Geophysics Climate variability Climate Climate change aerosol water vapour Data management Atmosphere water vapor satellite validation