The PAGINA (Pan-Arctic GNSS Infrastructure for Atmospheric Science) project addresses the current gap in GNSS observations across the Arctic by developing a unified IT platform for the management and sharing of data acquired through a distributed network of high-rate ground-based GNSS receivers. The project integrates observations collected at sites in Svalbard, Finland, Greenland, and Canada, building on existing Arctic monitoring networks operated by INGV (Istituto Nazionale di Geofisica e Vulcanologia, Italy), UNB (University of New Brunswick, Canada), and FMI (Finnish Meteorological Institute, Finland). The primary objective of PAGINA is to provide a single access point to data from at least 20 stations equipped with high-rate GNSS Ionospheric Scintillation Monitoring Receivers (ISMRs). This infrastructure is designed to support scientific investigations of the polar upper atmosphere, with a particular focus on ionospheric irregularities and space weather-related phenomena.

Sampling of PM10 aerosol using a cascade impactor to define the chemical composition in six different size stages. The quartz filters were extracted with ultrapure water and water soluble species were determined: major ions, MSA, carboxylic acids, amino acids, sugars, phenolic compounds, and other organic water-soluble emergening pollutants.