EES 108 Class 07a

EES 108 Class 07a - Flow of heat Flow of heat • What...

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Unformatted text preview: Flow of heat Flow of heat • What moves heat around in the lower atmosphere? Convection Temperature through the day • When do we expect hottest temperature? • Coldest? • Why? Lag time Between maximum solar intensity and maximum temperature Role of clouds • Clouds Increase albedo (cooling) Block light in the infrared window (warming) • Clouds both heat and cool the earth. Which effect is largest? The devil is in the details. Different cloud types • High clouds: Small albedo • Don’t block heat from sun Absorb LW from below High altitude = colder temperature • Radiate little heat Warming • Low clouds: Large albedo • Blocks heat from sun Absorb LW from below Low altitude = warmer temperature • Radiate much heat Cooling Effect of low clouds Trees have similar effect Geography, clouds, and climate • Summer monsoon: Clouds, rain • Winter monsoon: Dry, clear Temperature Precipitation Factors affecting local temperature • Latitude • Altitude • Land/Water contrasts • Ocean Currents • Global circulation patterns (Details in Chapter 8) • Local conditions Topography (hills or flat) Trees, grass, sand, etc. Contours...
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This note was uploaded on 04/09/2008 for the course HIST 101 taught by Professor Guliver during the Spring '08 term at Vanderbilt.

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EES 108 Class 07a - Flow of heat Flow of heat • What...

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