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Ocean Surface Topography from Space
How much these Factors Contribute to Sea Surface Height
  • Ocean eddies - up to about 25 centimeters (10 inches)
  • Temperature of the upper ocean water - up to about 35 centimeters (13 inches), similar to the contribution from ocean eddies
  • Tides in the deep ocean - up to 1 meter (3 feet)
  • Ocean currents or ocean circulation - about 2 meters (6 feet)
  • Gravity - up to 150 meters! (almost 500 feet!)

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