THE ATMOSPHERE
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Transcript of THE ATMOSPHERE
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THE ATMOSPHEREReview: General characteristics, greenhouse effect, air mass, circulation, cyclone & anticyclone, contamination & energy resources
October 1 2012
https://www.facebook.com/photo.php?fbid=474057782615238&set=a.456449604376056.98921.367116489976035&ty
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Layers of Atmosphere
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Composition
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Greenhouse Effect
Fig. 3: http://www.nps.gov/goga/naturescience/images/Greenhouse-effect.jpg
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Air Mass•Air mass: a large expanse of the
atmosphere with relatively uniform temperature and humidity. ▫Moves both horizontally (parallel to the
Earth’s surface) and vertically.
•Front: the line where two air masses of different temperature and humidity meet.
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Atmospheric Pressure
1. Number of air molecules
2. Temperature of air
3. Move from high-pressure areas to low-pressure areas, resulting in winds.
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Cold Front•Cold front: Advancing cold air meets
warm air warm air rises rapidly cools into thick cumulus clouds wind and heavy rain
Fig. 5: http://apollo.lsc.vsc.edu/classes/met130/notes/chapter11/cf_xsect.html
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Warm Front•Warm front: Advancing warm air meets
cold air warm air rises gently thin, light nimbostratus clouds long-lasting cloudy weather and showers.
Fig. 6: http://earth.usc.edu/~stott/Catalina/WeatherPatterns.html
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Prevailing Winds
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Anticyclones & Depressions
Fig. 8: http://www.atmos.umd.edu/~meto200/3_13_03_lecture_files/slide0030_image276.jpg
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Air Pollution
Fig. 9: http://www.earthlyissues.com/images/Air_pollution_pathways_textbox.gif
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Seasons
Fug. 10: http://okfirst.mesonet.org/train/meteorology/Seasons.html
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Tides
Fig. 11: http://science.howstuffworks.com/environmental/earth/oceanography/tide-table1.htm
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Spring Tides
Fig. 12: http://en.wikipedia.org/wiki/File:Tide_schematic.svg
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Solar to Electricity
Fig. 13: http://visual.merriam-webster.com/images/energy/solar-energy/production-electricity-from-solar-energy.jpg
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Wind to Electricity
Fig. 14: http://images.tutorvista.com/content/sources-energy/working-of-windmill.jpeg