Structure of the Atmosphere (Leaving Cert Geography): Flashcards
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Number of distinct atmospheric layers
Number of distinct atmospheric layers
Five
Five atmospheric layers from Earth outward
Five atmospheric layers from Earth outward
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
Altitude range of troposphere
Altitude range of troposphere
8-15 km above sea level
Where all weather phenomena occur
Where all weather phenomena occur
Troposphere
Temperature pattern in troposphere with altitude
Temperature pattern in troposphere with altitude
Decreases
Boundary between troposphere and stratosphere
Boundary between troposphere and stratosphere
Tropopause (at ~10 km)
Upper altitude limit of stratosphere
Upper altitude limit of stratosphere
About 50 km
Temperature pattern in stratosphere with altitude
Temperature pattern in stratosphere with altitude
Increases
Function of ozone layer in stratosphere
Function of ozone layer in stratosphere
Absorbs & blocks harmful UV radiation
Upper altitude limit of mesosphere
Upper altitude limit of mesosphere
Approximately 85 km
Temperature characteristic of mesosphere
Temperature characteristic of mesosphere
One of the coldest regions
Where meteors burn up creating shooting stars
Where meteors burn up creating shooting stars
Mesosphere
Altitude range of thermosphere
Altitude range of thermosphere
85 km to over 600 km
Where the International Space Station orbits
Where the International Space Station orbits
Thermosphere
Outermost atmospheric layer & where satellites orbit
Outermost atmospheric layer & where satellites orbit
Exosphere