chapter six geo review

chapter six geo review - CHAPTER SIX -define atmospheric...

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CHAPTER SIX -define atmospheric pressure - the amount of force exerted on an area touching the area -caused by the weight of the air molecules above it -as elevation increases, pressure decreases -how are density, temperature and pressure related - pressure is a product of temperature and density of a mass of air -what instruments are used to measure air pressure - barometer -patterns of air circulation around pressure cells in the NH and SH -NH: spiral out from HP areas clockwise to make anticyclone and into a LP area counterclockwise to make a cyclone -SH: counterclockwise in HP and clockwise in LP…basically it’s the reverse of the NH -understand coreolis effect -since earth rotates -deflects anything that moves across the surface from going straight regardless of direction -varies with latitude -effect increases with the speed of object -makes winds flow AROUND pressure areas that remain parallel to isobars instead of directly to and from -called geostrophic winds -deflects to the right in NH and left in SH
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This note was uploaded on 04/07/2008 for the course GEOG 1001 taught by Professor Stanitski during the Spring '08 term at Colorado.

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chapter six geo review - CHAPTER SIX -define atmospheric...

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