IceAgesS2012 copy2

IceAgesS2012 copy2 - History of Climate Ice Ages Energy In...

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History of Climate Ice Ages
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Energy In vs. Energy Out • In – Solar Evolution – Insolation – Greenhouse • Out – lost to space/albedo
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http://www.wwnorton.com/college/geo/earth3/animations.asp http://www.sciencecourseware.org/eec/GlobalWarming/Tutorials/ Milankovitch/
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-18 o C 14 o C
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(RQ 3DOHR 0HVR1HR ±²³ *D ´²³ *D µ²³ *D ¶²³ *D WRGD\ $UFKHDQ 3URWHUR]RLF 3KDQHUR]RLF (UD 3HULRG ±²² 0D ²³± 0D ²²´ 0D ²µ¶ 0D ´±² 0D ·³¸ 0D ·±µ 0D ·¸¹ 0D µ²· 0D ¹± 0D WRGD\ 3DOHR]RLF 0HVR]RLF ]RLF 2UGRYLFLDQ 6LOXULDQ 'HYRQLDQ 3HUPLDQ 7ULDVVLF -XUDVVLF 3DOHRJHQH 1HRJHQH
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Plio-Pleistocene Ice Age • Evidence on Land • Evidence from the ocean
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Plio-Pleistocene Ice Age • Evidence on Land – Glacial deposits
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Continental glacial environment
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Glacial Deposition Features • Glacial Till • Moraines • Glacial Erratic
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• Very poorly sorted sediment consisting of all grain sizes – from "rock flour" to giant clasts. – Glaciers are
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This note was uploaded on 04/02/2012 for the course GEOL 125Lxg taught by Professor Hammond during the Spring '07 term at USC.

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IceAgesS2012 copy2 - History of Climate Ice Ages Energy In...

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