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Cyclones, anticyclones and volcanoes
 

Cyclones, anticyclones and volcanoes

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    Cyclones, anticyclones and volcanoes Cyclones, anticyclones and volcanoes Presentation Transcript

    • Kalyan Kumar
    •  Atmospheric pressure Cyclones Anticyclones Instruments for measuring Volcanoes Conclusion 2012 85 031 2
    •  Force exerted by the weight of the air above Weight of the air at sea level  14.7 pounds per square inch  1 kilogram per square centimeter Units of measurement  Millibar (mb) – standard sea level pressure is 1013.2 mb 2012 85 031 3
    • A center of low pressurePressure decreases toward the centerWinds associated with a cyclone 2012 85 031 4
    • A center of high pressurePressure increases toward the centerWinds associated with a cyclone 2012 85 031 5
    • 2012 85 031 6
    • BarographBarometer 2012 85 031 7
    •  The outer crust is made of rocks Underneath the crust is the mantle The gases push these melted rocks called ‘magma’ 2012 85 031 8
    •  A Volcano is a special kind of mountain that builds itself There are several thousand volcanoes in the world Most of them are extinct Some are dormant Arenal, Near Panama, Central America 2012 85 031 9
    • Prevention of formation of cyclones or volcanoes are not inthe realm of possibility. One of the mitigation measureagainst disaster is the efficient warning system. 2012 85 031 10
    • 2012 85 031 11