Өгөгдлийн бүрдэл Бүлгүүд Үйл ажиллагааны урсгал Бүлгүүд Dataset collections, categories and projects ESA GlobPermafrost Permafrost and frozen grounds are key elements of the terrestrial Cryosphere... ESA GlobPermafrost -г харах PerSys The Permafrost Information System (PerSys) is conceptualized as an open... PerSys -г харах PerSys - Permafrost Extent and Properties PEX Permafrost is defined through the thermal state of the ground which makes... PerSys - Permafrost Extent and Properties PEX -г харах Properties & Extent Permafrost Research Category Properties & Extent -г харах