ชุดข้อมูล กลุ่ม ความเคลื่อนไหว กลุ่ม Dataset collections, categories and projects Ground Ice Permafrost Research Category ดู Ground Ice Mapped ice wedge polygon patterns from GeoEye-1, WorldView-1 Detailed calculations of ground-ice volumes in permafrost deposits are... ดู Mapped ice wedge polygon patterns from GeoEye-1, WorldView-1 Periglacial Inventories Permafrost Research Category ดู Periglacial Inventories