Chap7 Lecture

Chap7 Lecture - Chapter 7 Atmospheric Disturbances McKnights Physical Geography A Landscape Appreciation Tenth Edition Hess Air Masses Properties

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Chapter 7: Atmospheric Disturbances McKnight’s Physical Geography : A Landscape Appreciation, Tenth Edition, Hess
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Air Masses Properties of an air mass Large (diameter > 1600 km) Uniform horizontal properties Recognizable entity; travel as one Origins of air masses Remains over a uniform land or sea surface long enough to acquire its uniform characteristics 2 Figure 7-2
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Air Masses Air mass classification Two letter classification system Lowercase letter indicates moisture content c—continental, dry m—maritime, humid Uppercase letter indicates source region P—polar source region T—tropical source region A—arctic source region E—equatorial source region 3
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Air Masses Source regions 4 Figure 7-1
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Air Masses Properties 5
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Fronts Definition of a front History of the name “front” Clash over midlatitudes between polar and tropical air masses Four primary frontal types: Cold front: cold air advancing
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This note was uploaded on 01/28/2011 for the course GEOG 110 taught by Professor Konrad during the Spring '08 term at UNC.

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Chap7 Lecture - Chapter 7 Atmospheric Disturbances McKnights Physical Geography A Landscape Appreciation Tenth Edition Hess Air Masses Properties

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