beaufort sea, arctic ocean, deepwater, sakhalin, walrus, cook inlet, inupiat, pacific walrus, bering sea, anwr, kuril islands, seabed, belugas, continental shelf, caspian sea, kamchatka peninsula, bowhead whale, okhotsk, seafloor, polar bear, weddell sea, tatar strait, caribou, floe, kamchatka, rookeries, prudhoe bay, baffin island, novaya zemlya, permafrost, unalaska island, timor sea, seward peninsula, kodiak island, unimak island, laptev sea, antarctic peninsula, ob river, humpbacks, denning, gasfield, quaternary period, lofoten, arctic, drilling, icecap, oilfields, subsalt, barents, narwhal, barents sea, tundra, jan mayen, inuit, subsurface, arctic circle, nenets, admiralty island, bowhead, roadless, aleutians, yellow sea, alaskans, intertidal, alaska native, pribilof islands, moray firth, whales, ellesmere island, offshore, eiders, great slave lake, pikas, kuskokwim, ichthys, bering strait, minke, amundsen sea, dispersant, baltic sea, pollock, chelyuskin, ross ice shelf, wolffish, ocean, little diomede, antarctic ocean, subpolar, shetland islands, habitat, stavanger, bellingshausen sea, cape flattery, aral sea, spitsbergen, faroe, krill, oil shale, passamaquoddy bay, kola peninsula, yenisei river, northwest passage