TY CONF TI The Tendencies of Change of the Ice Conditions in the Pechora Sea During 1979-2017 KW sea ice KW ice maps KW satellite data KW interannual variability of ice area KW Pechora sea shelf JO XXVII International Shore Conference (Arctic Coast: The Path to Sustainability) AU Volkov, V.A. AU Ignat'eva, E.S. AU Ionov, V.V. PY 2022 PB Academus Publishing