Southern Ocean vs. Pacific Ocean: 6 Key Differences

AspectSouthern OceanPacific Ocean
LocationSurrounds Antarctica (Southern Hemisphere)Between Americas and Asia, Arctic to Southern Ocean
Size~20.3M km² (4th largest)~165.2M km² (largest)
Avg. Depth~3,000 m~4,000 m (deepest)
ClimateColder, extreme winds, high waves, frequent stormsVaried: tropical to polar
Marine LifeWhales, seals, penguins, krillVast diversity: fish, seabirds, mammals, reefs
Human ImportanceResearch, some fishingMajor trade, food, resources, transport for billions

Distinct in location, scale, depth, climate, ecology, and human use.

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