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GEO/OC 103 Exploring the Deep ….
Today’s Tune “Pirates of the Caribbean”
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Melinda Jensen Geosciences Departmental Office
104 Wilkinson Hall melinda.jensen@oregonstate.edu 7371238
“Water
“Earth is a unique planet, possibly one of the few in the galaxy that has water.
Nearly 71% of it’s surface is ocean. From space, Earth is brilliantly blue, white in places with clouds and ice, sometimes swirling with storms.
World”
At it’s surface the ocean is in constant motion with powerful currents that stretch for thousands of miles and towering waves. Beneath the ocean’s surface lie hidden mountain ranges, vast trenches tens of thousands of feet deep, immense hot springs, and huge volcanoes spewing molten rock in massive eruptions.”
-- T. Garrison
Chapter 1
“Just the Facts…”
Over 97% of the water on the Earth is in the ocean.
The average depth of the ocean is about 4000 meters.
The Mariana Trench is 11,022 m deep, the deepest spot on the planet.
8 tons per sq. in.
Mt. Everest is “only” ~8667 m above sea level
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