Geo101.20b.StratigraphyII[1]

Geo101.20b.StratigraphyII[1] - Stratigraphy II What else?...

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1 Stratigraphy II What else? Correlation of Global cycles Earth’s incoming solar energy or insolation… - Because the Earth is a sphere not all areas receive the same amount of incoming solar energy or insolation… Higher latitude receive less energy than lower latitudes dispersal of energy that occurs when light interacts with particles in the atmosphere a process called scattering … changes in color of the sky during the day… - At low angle much of the blue light scatters back into space so that mostly red wavelengths remain Because of the tilt of the Earth’s axis, the amount of solar radiation at any given point on the surface changes during the year…thus the reason we have seasons…
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2 Milankovitch cycles …in 1920, Milutin Milankovitch proposed that climate variations can be linked to: 1) cyclic variations in the shape of Earth’s orbit around the Sun and cyclic changes in the 2) orientation of Earth’s rotation axis, and 3) the wobble of Earths rotational axis Earth’s orbit around the Sun gradually changes from a
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This note was uploaded on 04/03/2011 for the course GEOLOGY 939 taught by Professor Swisher during the Spring '11 term at Rutgers.

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Geo101.20b.StratigraphyII[1] - Stratigraphy II What else?...

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