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Published byWilla Sutton Modified over 9 years ago
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Why ocean bathymetry?
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How do we measure bathymetry? Why is ocean bathymetry important? Questions:
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How do we measure bathymetry?
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What does it mean to be at an altitude of 4000 m? It mean that I am 4000 m above the Mean Sea Level (MSL)
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Model of the shape of the Earth http://www.esri.com/news/arcuser/0703/geoid1of3.html http://en.wikipedia.org/wiki/Geoid geoid: The equipotential surface of the Earth's gravity field which best fits, in a least squares sense, global mean sea level (MSL)
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The height of the Earth surface
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Why ocean bathymetry?
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Ocean Circulation and Climate Heat Transport affected by topography!
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Ocean Circulation and Climate Ocean Currents take different paths!
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Ocean Circulation and Climate Deep ocean mixing and pathways
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Ocean Circulation and Climate Mixing energy and dissipation of tides!
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Ocean Circulation and Biology Seamounts ….
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Societal impacts Tsunami
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Societal impacts Gas and oil extraction
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1) Reading material on Class Website Satellite Topography and Oceanography from Space 2) Homework #2 assigned. Before you go …
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Understanding Isostacy and Buoyancy Exercise
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