Related by context. Frequent words. (Click for all words.) 71 glaciers 65 glacier 64 mountain glaciers 64 glacial melt 63 melting glaciers 61 glacial lakes 60 glacier melt 59 icecap 59 melting permafrost 57 meltwater 57 Glaciers 57 Tibetan Plateau 57 landforms 56 polar caps 56 glacial lake 56 glacial ice 55 Greenland glaciers 54 Greenland ice 54 glaciologists 54 permafrost 53 Himalayas 53 lake sediments 53 melting polar 53 melting ice 52 polar ice 52 Himalayan glaciers 52 mountain ranges 52 landmasses 52 glacial 51 sediment cores 50 polar regions 50 tundra 50 Arctic Ocean 50 species extinctions 50 glaciation 50 icebergs 50 Antarctic peninsula 50 ecosystems 49 oceans 49 snowpacks 49 NSIDC 49 biodiversity hotspots 49 warmer winters 49 stalagmite 49 Qinghai Tibet Plateau 49 stalagmites 49 Antarctic Peninsula 49 glaciologist 48 Serreze 48 Antarctic ice 48 Antarctica 48 volcanoes 48 lichens 48 Melting ice 48 lowlands 48 sediments 48 greenhouse warming 48 volcanism 48 Arctic tundra 48 moraine 47 snow melt 47 mountains 47 boreal forests 47 geologic 47 virgin forests 47 Permafrost 47 volcanic crater 47 albedo 47 anthropogenic 47 boreal 47 Greenland Ice 47 anthropogenic climate 47 rock outcropping 46 caldera 46 melting 46 Wilkins Ice Shelf 46 Geophysical Research 46 mid latitudes 46 gas hydrates 46 tectonics 46 massif 46 freshwater lakes 46 crustal 46 frequent droughts 46 Quaternary 46 atmospheric carbon dioxide 46 Little Ice Age 46 mountaintops 46 acidification 46 aquatic ecosystems 45 fragile ecology 45 megafauna 45 rock outcrops 45 seamounts 45 climatologists 45 biota 45 crevasses 45 plate tectonics 45 fragile ecosystem 45 University Lamont Doherty 45 rivers