Cyclones, Anticyclones and Volcanoes
Kalyan Kumar
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Atmospheric pressure
Cyclones
Anticyclones
Instruments for measuring
Volcanoes
Conclusion
Overview
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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
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Atmospheric pressure
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A center of low pressure
Pressure decreases toward the center
Winds associated with a cyclone
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Cyclones
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A center of high pressure
Pressure increases toward the center
Winds associated with a cyclone
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Anticyclones
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Airflow Associated with cyclones
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Instruments for measuring
BarometerBarograph
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The outer crust is made of rocks
Underneath the crust is the mantle
The gases push these melted rocks called ‘magma’
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Earth Structure
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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
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Volconoes
Arenal, Near Panama, Central America
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Prevention of formation of cyclones or volcanoes are not
in the realm of possibility. One of the mitigation measure
against disaster is the efficient warning system.
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Conclusion
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Thank you