lecture 6 temperature slides

lecture 6 temperature slides - Evaporation more energy...

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1 Temperature scales Kelvin 0 = no molecular motion in atoms water boils at 373 ºK Celcius 0 = freezing point of water water boils at 100 ºC Fahrenheit = 32 freezing point of water water boils at 212 ºF Air temperature is a measure of sensible heat energy – a measure of average kinetic energy of molecules in the atmosphere Factors that control temperature Latitude – outside the tropics intensity and length of insolation govern the amount of energy that gets to the surface- and therefore controls temperature Factors that control temperature Altitude – height above mean sea level- used for the atmosphere (elevation – height above sea level for a land surface) Latitude and altitude result in less warming at C Latitude and altitude result in greater loss of LW at C
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2 Vegetation cover blocks short wave during the day resulting in lower temperatures but also inhibit loss of LW at night resulting in warmer temperatures Land – water heating differences
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Unformatted text preview: Evaporation more energy arriving at water surface is used of evaporation than on land Transparency oceans allow insolation to penetrate below surface, land is opaque Specific heat water can hold more heat (sensible energy ) than rock or soil so warming or cooling takes longer for bodies of water. Land water heating differences Movement water movement takes sensible energy to lower depths increase the capacity to store sensible energy Land water heating differences Movement water movement takes sensible energy to lower depths increase the capacity to store sensible energy Water currents move warm water to different locations (in oceans to higher latitude) 3 Heating the atmosphere Air temperature is near the maximum for only a short time, most of the night near the minimum Temperature decrease with air pressure (altitude) in the Troposphere Conversion table...
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This note was uploaded on 04/25/2008 for the course GEOG 121 taught by Professor Long during the Spring '08 term at Wisc Oshkosh.

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lecture 6 temperature slides - Evaporation more energy...

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