Related by context. Frequent words. (Click for all words.) 56 permafrost 55 icecaps 55 tundra 53 subarctic 53 arctic 53 polar icecaps 52 melting 51 glaciers melt 51 escarpments 50 thawing permafrost 50 Arctic permafrost 50 arctic tundra 50 upwellings 50 icy crust 50 Melting glaciers 50 receding glaciers 49 Arctic tundra 49 frozen wasteland 49 icecap 49 melting icecaps 48 precipices 48 polar craters 48 steam vents 48 temperature gradients 48 gyres 47 basalt rock 47 granite cliffs 47 lithosphere 47 underground burrows 47 sparse vegetation 47 sargassum 47 iciness 47 cambium 47 rocky ledges 47 refugia 47 hydrologic cycle 47 retreating glaciers 47 grassy meadows 47 melting permafrost 47 coulees 47 tropopause 46 tussocks 46 Melting ice 46 seabeds 46 glacier 46 swirling vortex 46 dense canopy 46 fiords 46 melt 46 glacial 46 salt crystals 46 ice melts 46 temperature inversion 46 Lake Vostok 46 airmass 46 melting ice 46 decaying vegetation 46 melts 46 temperate rainforest 46 iciest 45 clathrates 45 tropical climes 45 meteor impacts 45 subglacial 45 polar caps 45 lava tubes 45 insulating blanket 45 warmer wetter 45 temperature inversions 45 Bitterly cold 45 melting polar 45 gloop 45 streambanks 45 Alaskan tundra 45 Volcanic eruptions 45 tropics 45 undersea volcanoes 45 Arctic Circle 44 polar vortex 44 ice 44 dense thickets 44 river deltas 44 thaws 44 evergreen forests 44 Prevailing winds 44 lowlands 44 thaw cycles 44 continental crust 44 floes 44 moraine 44 ecosphere 44 poleward 44 volcanic vents 44 protoplasm 44 equatorial waters 44 majestic scenery 44 polar 44 harmful ultraviolet radiation 44 Lava flows 44 tidal pools 44 melting glacier