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Midterm

Exam 3 Notes

59 Pages
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Department
Geography
Course Code
GEOG 2050
Professor
All

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Description
March21AtmosphericandOceanicCirculationsKeyConceptsAirpressureMercybarometerAneroidbarometerWindAnemometerWindvaneBeaufortwindscaleIsobarsPressuregradientforceHowdowedetermineairmovementTamboraEruption1815VolcanicExplosivelyIndexVEIrange181mild8catostrophic1816TheyearwithoutasummerAgriculturalcropsfailedandlivestockdiedthWorstfamineofthe19centurySunsetssunriseshasbrightvividcolorsduetodustscatteringintheatmosphereAtmosphericCirculationMtPinatuboeruptsJune1991ndth2largesteruptionin20centuryVEI6DustsmokegasrisesintoatmospherespreadsandgetsthickerandthickerWhatgoesintotheatmosphereat1locationcanbecirculatedallthroughouttheworldFigure33AirPressureClosertosurfacemoremoleculesHeatmoleculesmovearoundpressureincreasesMoleculesintheaircreatepressureGasLawsPRpTPpressureTtemperaturePdensitymassvolumeRgasconstantPressureAforceappliedoveranareaPressureisascalarquantitymagnitudenodirectionpressureforceareapressureforceactsperpendiculartoenclosingsurfacepressureisexertedonallsurfacesMercuryBarometerAirpressurecausesMercurycolumntoriseintubProblemmercuryhighlypoisonousDontuseanymoreAirPressureMeasurementsMillibarmbormbarForcepermetersquaredCommonlyusedinmeteorologyweatherPascalsPa1kPa10mbarScientificAtmosphereatmSIunit1atm101325mbmmHgorinchesofHGPSIpoundssquareinchMeasuredinbarometersRange980to1050mbaraveragesealevelpressureslp
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