Title: The Arctic basin
Subjects: Scientific expeditions, Environmental conditions, Research, Drifting ice stations, Arctic regions, discovery and exploration, Discovery and exploration, Russian, Arctic regions, Meteorology, Sea ice, Oceanography, Geomagnetism, Ionospheric radio wave propagation, History, Hydraulic engineering, Geosciences, Geosciences, general, Hydrogeology, Meteorology/Climatology
Places: Arctic regions