Related by context. Frequent words. (Click for all words.) 61 Weddell Sea 59 Polar Regions 56 Antarctic 54 Spitsbergen 54 Antarctic Peninsula 53 Antarctica 53 intertidal zone 53 Ross Ice Shelf 52 hydrothermal vent 52 biogeochemical 52 Arctic 51 intertidal 51 cryosphere 51 seamount 51 Arctic Ocean 51 subarctic 50 seamounts 50 arctic 50 Antarctic peninsula 50 circumpolar 49 Ellesmere Island 49 marine invertebrates 49 IODP 49 marine sediments 49 terrestrial ecosystems 49 inter tidal 49 oceanographic 48 sediment cores 48 polar regions 48 oceanic 48 polar 48 benthic 48 Antarctic Ice 48 Antarctic ice 48 oceanic crust 48 oceanographers 47 ocean 47 hydrographic 47 planktonic 47 French Frigate Shoals 47 Lake Vostok 47 foraminifera 47 retreating glaciers 47 basking sharks 47 volcanic vents 47 narwhal 46 icecap 46 McMurdo Sound 46 Bering Sea 46 toothed whales 46 transect 46 floe 46 polar vortex 46 icebergs 46 marine reptiles 46 equatorial Pacific Ocean 46 geomorphology 46 fiords 46 landforms 46 glacier 46 Arctic archipelago 46 Svalbard 46 #sq km [003] 46 Antarctic Territory 46 oceans 46 interglacial period 46 bathymetry 46 Antartica 45 Burgess Shale 45 seabeds 45 Greenland Ice 45 Moray Firth 45 admiral asks 45 Beaufort Sea 45 fjord 45 tidal pools 45 Ordovician 45 glaciology 45 diatoms 45 glacial ice 45 muskox 45 Antarctic seas 45 glacial retreat 45 Greenland 45 whale carcasses 45 hydrothermal activity 44 biomes 44 narwhals 44 landmasses 44 Phytoplankton 44 Baffin Island 44 whale strandings 44 Okhotsk 44 ocean ridges 44 oceanography 44 paleoclimate 44 Pacific Ocean 44 polar ice 44 penguin species 44 kelp forests 44 biodiversity hotspots