Dataset Groups Activity Stream Groups Dataset collections, categories and projects ESA GlobPermafrost Permafrost and frozen grounds are key elements of the terrestrial Cryosphere... View ESA GlobPermafrost Land Cover Permafrost Research Category View Land Cover Periglacial Inventories Permafrost Research Category View Periglacial Inventories PerSys The Permafrost Information System (PerSys) is conceptualized as an open... View PerSys PerSys - ColdSpot CSP “ColdSpots” (CSP) are regions with good in-situ observation infrastructure.... View PerSys - ColdSpot CSP