Introduction to Oceanography/The World Ocean

Bathymetry/Topography map of the world

Approximately 71% of Earth's surface is covered by water. This covering is called the hydrosphere and consists mostly of five principal oceans: the Pacific, Atlantic, Indian, Southern, and Arctic.

• 
  Pacific Ocean
• 
  Atlantic Ocean
• 
  Indian Ocean
• 
  Southern Ocean
• 
  Arctic Ocean