Related by context. Frequent words. (Click for all words.) 60 icecap 59 glaciers 56 meltwater 56 glacier melt 56 Greenland Ice 56 mountain glaciers 55 Antarctic Ice 55 Greenland glaciers 55 glacier 54 permafrost 54 Antarctic ice 54 glacial melt 54 Greenland ice 54 landmasses 54 polar caps 54 Tibetan Plateau 53 glacial ice 53 stratospheric ozone 52 mid latitudes 52 melting permafrost 51 glaciologists 51 volcanism 51 glaciation 51 crustal 50 Earth crust 50 greenhouse warming 50 Wilkins Ice Shelf 50 volcanic 50 atmospheric circulation 50 albedo 49 ejecta 49 Arctic Ocean 49 Serreze 49 Antarctic Peninsula 49 Antarctica 49 volcanic eruptions 49 melting glaciers 49 Grimsvotn 49 earth crust 48 melting ice 48 equatorial regions 48 atmospheric CO2 48 water vapor 48 polar ice 48 atmospheric carbon dioxide 48 glacial lakes 48 glacial lake 48 Melting ice 48 Permafrost 47 anticyclone 47 lava dome 47 polar regions 47 X ray emission 47 Little Ice Age 47 glacial 47 Iapetus 47 tectonic plate 47 magma 46 gas hydrates 46 plate tectonics 46 megafauna 46 lake sediments 46 gigatonnes 46 icebergs 46 Earth magnetosphere 46 cosmic microwave background 46 volcanic activity 46 volcanic gases 46 NSIDC 46 Antarctic 46 caldera 46 magmatic 46 oceans 46 olivine 46 continental drift 45 Greenland 45 basalt 45 geologically active 45 El Ninos 45 Arctic 45 magnetosphere 45 Himalayan glaciers 45 tectonics 45 ice 45 heliosphere 45 peatlands 45 equatorial Pacific 45 vertical wind shear 45 polar 45 atmospheric concentrations 45 radiative 45 troposphere 45 protective ozone layer 45 sedimentary rock 45 boreal forests 45 Nature Geoscience 45 comet nucleus 45 temperature gradient 45 lichens 45 subduction zone 45 molten rock