frozen seas
- arcticOf extreme northern cold
- iceWater's solid form
- glacialOf frozen rivers
- polarOf extreme latitudes
- tundraFrigid treeless biome
floes · icebergs · permafrost · drift · pack ice · frostbitten · barren · desolate · white · silence · cracking · expedition · seals · whales · aurora · bitter · endless · bleak
- ArcticArctic Circle, Arctic Ocean, Arctic wildlife, Arctic exploration, Arctic research
- polar regionsAntarctica, polar bears, Arctic Ocean, glaciers, Arctic
- Arctic ExplorationNorth Pole, Arctic, polar exploration, Arctic Circle, polar expedition
- Arctic and Africa voyagespolar expeditions, safaris, desert crossings, Arctic Circle, Northwest Passage
- polar navigationicebreakers, ice floes, pack ice, sea ice, polar waters
- AntarcticaSouth Pole, Amundsen, Scott, penguins, ice sheet
temperature/physical state
frozen seastropical seas
Warm ocean zones near equator
warm waters · warm seas · Caribbean Sea · Mediterranean Sea · open water
navigability/accessibility
frozen seasopen ocean
Sea far from shore
open waters · open seas · navigable waters · shipping lanes · shipping routes