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