Related by context. Frequent words. (Click for all words.) 62 Antarctic Peninsula 57 Antarctic Ice 55 Antarctic ice 53 glacier 52 glaciers 52 Ellesmere Island 51 Greenland ice 50 subduction zone 49 Antarctica 48 permafrost 48 earth crust 48 Earth crust 47 British Antarctic Survey 47 crustal 47 glaciation 47 Arctic Ocean 47 glacial ice 46 icebergs 45 mountain glaciers 45 Glaciers 45 Antarctic 44 Gondwana 44 seamounts 44 Little Ice Age 44 NASA Cassini spacecraft 44 tectonic plate 44 mid latitudes 44 polar ice 44 volcanism 43 plate tectonics 43 subduction zones 43 olivine 43 San Andreas Fault 43 lava dome 43 caldera 42 sedimentary rock 42 polar 42 Saturn rings 42 calcite 42 Pleistocene 41 Oetzi 41 Iapetus 41 seafloor 41 seismometers 41 glaciologist 41 heliosphere 41 Anglican Communion 41 Icebergs 41 volcanic activity 41 Greenland 41 meltwater 41 Tibetan Plateau 41 stalagmites 41 Nature Geoscience 40 circumpolar 40 deformation 40 tectonics 40 Anglican communion 40 thermal tile 40 Geophysical Research 40 Ordovician 40 talus 40 landmass 40 polar regions 40 protective ozone layer 40 gusset plates 40 atmospheric circulation 39 Anglicanism 39 greenhouse warming 39 decadal 39 atmospheric carbon dioxide 39 polar bear populations 39 marine ecosystems 39 magnetosphere 39 magma 39 marine biodiversity 39 fjord 39 journal Geophysical Research 39 biosphere 39 tectonic 39 Loop Current 39 galaxy clusters 39 reefs 39 lava flows 39 sedimentary rocks 39 landforms 39 Itokawa 39 oceanographers 39 Arctic seabed 38 continental shelf 38 diatoms 38 Seismologists 38 andesite 38 cosmic microwave background 38 gussets 38 lichens 38 Himalayan glaciers 38 volcanic eruptions 38 Enceladus 38 Martian surface 38 World Meteorological Organization