Datová sada Skupiny Události Skupiny Dataset collections, categories and projects ESA GlobPermafrost Permafrost and frozen grounds are key elements of the terrestrial Cryosphere... Zobrazit ESA GlobPermafrost PerSys The Permafrost Information System (PerSys) is conceptualized as an open... Zobrazit PerSys PerSys - Permafrost Extent and Properties PEX Permafrost is defined through the thermal state of the ground which makes... Zobrazit PerSys - Permafrost Extent and Properties PEX Properties & Extent Permafrost Research Category Zobrazit Properties & Extent