Kalyan Kumar
   Atmospheric pressure   Cyclones   Anticyclones   Instruments for measuring   Volcanoes   Conclusion              ...
   Force exerted by the weight of the air above   Weight of the air at sea level       14.7 pounds per square inch    ...
A center of low pressurePressure decreases toward the centerWinds associated with a cyclone                               ...
A center of high pressurePressure increases toward the centerWinds associated with a cyclone                              ...
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 ‘ma...
   A Volcano is a special kind of mountain that builds itself   There are several thousand volcanoes in the world   Mos...
Prevention of formation of cyclones or volcanoes are not inthe realm of possibility. One of the mitigation measureagainst ...
2012 85 031   11
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Cyclones, anticyclones and volcanoes

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Cyclones, anticyclones and volcanoes

  1. 1. Kalyan Kumar
  2. 2.  Atmospheric pressure Cyclones Anticyclones Instruments for measuring Volcanoes Conclusion 2012 85 031 2
  3. 3.  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
  4. 4. A center of low pressurePressure decreases toward the centerWinds associated with a cyclone 2012 85 031 4
  5. 5. A center of high pressurePressure increases toward the centerWinds associated with a cyclone 2012 85 031 5
  6. 6. 2012 85 031 6
  7. 7. BarographBarometer 2012 85 031 7
  8. 8.  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
  9. 9.  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
  10. 10. 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
  11. 11. 2012 85 031 11
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