Related by context. Frequent words. (Click for all words.) 70 Antarctica 63 Antarctic 63 Antarctic ice 62 Arctic Ocean 61 glaciers 59 glacier 57 Ellesmere Island 57 Greenland ice 56 Arctic 55 Greenland 55 British Antarctic Survey 53 polar regions 53 icebergs 52 glacial ice 52 Glaciers 52 Beaufort Sea 51 polar 51 polar ice 51 permafrost 51 reefs 49 Bering Sea 49 Baffin Island 49 ocean acidification 49 fjord 48 continental shelf 48 subduction zone 48 coral reefs 48 tropics 47 Little Ice Age 47 marine ecosystems 46 volcanism 46 oceanic 46 Chukchi Sea 46 Arctic Circle 46 Svalbard 46 tundra 46 Bering Strait 45 krill 45 oceans 45 Aleutians 45 corals 45 coral reef 45 acidification 45 equatorial 45 extinctions 45 latitudes 45 equator 45 seafloor 45 coral 45 meltwater 44 Atlantic Ocean 44 plate tectonics 44 Artic 44 Earth crust 44 coral bleaching 44 plankton 44 ocean currents 44 oceanographers 44 marine biodiversity 44 Northwestern Hawaiian Islands 43 Inside Passage 43 Patagonian 43 zooplankton 43 Shetland Islands 43 phytoplankton 43 Barents Sea 43 reef 43 Ushuaia 43 Fiordland 43 walruses 43 rookery 42 coral species 42 caldera 42 Punta Arenas 42 Kuril Islands 42 marine organisms 42 ocean ecosystems 42 Chukchi seas 42 marine ecosystem 42 lichens 42 puffins 42 arctic 42 wintering grounds 42 Gondwana 42 atmospheric carbon dioxide 42 Northwest Passage 42 mammals 42 boreal forest 42 ocean 42 seabed 42 seaward 42 oceanographic 42 Baffin Bay 42 Antarctic waters 41 glacial 41 crevasses 41 shoal 41 Arctic Sea 41 atmospheric CO2 41 Cape Horn 41 upwelling