LECTURE_14_03-25-10_CHAP_10_Basics_of_we

LECTURE_14_03-25-10_CHAP_10_Basics_of_we - Climate/weather...

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Climate/weather – Hazards NEW STUFF (Chap. 10) Climate/weather – Basic Elements of Weather
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Climate/weather – Hazards NEW STUFF (Chap. 10) Climate change review (a few things to remember from Tuesday) Climate/weather – Basic Elements of Weather
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Fig. 10-5, Fig. 10-5 The Water Cycle
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BASIC ELEMENTS OF WEATHER What drives the cycle ? Rising and falling of air masses Evaporation/precipitation
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Why does air rise and fall in the first place? The Sun heats the ground, which heats the air. Warm air expands, is lighter, so it rises.
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REVIEW Atmospheric circulation Heat flow Changes in Heat = Changes in Density Convection Increase Heat Decrease Density Decrease Heat Increase Density
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What causes precipitation Warm air rapidly rises, cools, condenses to form rain or hail cloud base rain, hail
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Why does air rise? The Sun heats the ground, which heats the air. Warm air expands, is lighter, so it rises.
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Fig. 10-13, p. 255 Coriolis Effect Counter clockwise rotation in the northern hemisphere Clockwise rotation in the southern hemisphere …both due to the rotation of the earth
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Normal ocean circulation clockwise in northern hemisphere
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This note was uploaded on 11/11/2011 for the course ISP 203 taught by Professor Paquette during the Fall '08 term at Michigan State University.

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LECTURE_14_03-25-10_CHAP_10_Basics_of_we - Climate/weather...

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