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PORTAIL D'INFORMATION GÉOGRAPHIQUE

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  • The research strategy of the AA. combines geologic mapping and soil studies of drift sheets in ice-free areas. They differentiated drift sheets by changes in surface morphology, surface boulder weathering and soil development. The AA. conclude
  • 1989
  • Piston cores and single-channel seismic reflection data were collected during the Deep Freeze 85 and 86 expeditions to determine the late Quaternary history of the area. Seismic data in the bay show a rugged seafloor, with numerous deep troughs
  • 1989
  • and growth of the area of the subsidence and associated uplift to regional barriers between the basins. Other events : ice cover formation in the polar basin| seasonal freezing of the ground| permafrost developed since the Middle Pliocene.
  • 1989
  • and environmental impact on the relief evolution. Sedimentary formations structure indicates that the sea shelves in the Eastern Soviet Arctic are not only zones of transit of sediments but also a very large area of sedimentation. - (L'Ed.).
  • 1989