Datensatz Gruppen Aktivitätsanzeige Gruppen Datensatz-Sammlungen, -Kategorien und -Projekte ESA GlobPermafrost Permafrost and frozen grounds are key elements of the terrestrial Cryosphere... ESA GlobPermafrost ansehen PerSys The Permafrost Information System (PerSys) is conceptualized as an open... PerSys ansehen PerSys - Permafrost Extent and Properties PEX Permafrost is defined through the thermal state of the ground which makes... PerSys - Permafrost Extent and Properties PEX ansehen Properties & Extent Permafrost Research Category Properties & Extent ansehen