solar energy and it's affect on earth's atmosphere
DESCRIPTION
This PowerPoint explores how the sun's radiant energy affects the different layers of atmosphere. Specifically, it focuses on the effect solar energy has on Earths surface to create wind through the uneven heating of Earth's different surfaces (land vs. water)TRANSCRIPT
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Solar EnergyUneven Heating of Earth CAUSES…
Movement of Air Masses
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Sea Breeze
Solar (Radiation)
Energy
Radiation = the transfer of energy though space by electromagnetic waves.
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Sea Breeze
What do you notice about the temperatures?
Warm LandCool Water
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Cool Water Warm Land
Hot air rises
Sea Breeze
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Cool Water Warm Land
Warm air begins to cool as it rises
Sea Breeze
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Cool Water Warm Land
Warm Air flows to cooler air
Sea Breeze
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Cool Water Warm Land
Cooled air Sinks b/c it is more dense
Sea Breeze
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Cool Water Warm Land
Cooled air sinks
Hot air rises
Wind blows from Cool water to warm land
Sea Breeze
Warm Air flows to cooler air
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Warm LandCool Water
Sea Breeze
Convection Currents!
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Land Breeze – At Night
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Land Breeze
Now… what's different about the temperatures?
Warm Water Cool Land
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Warm Water Cool Land
Land Breeze
Now… what's different about the temperatures?When the sun is down, we have cooler LAND and warmer WATER.
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Cool LandWarm Water
Land Breeze
Convection Currents
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Land Breeze
Heat can be transferred in 3 ways…Conduction, Radiation, Convection
The sun provides heat energy called RADIATION and it creates CONVECTION Currents in our atmosphere.
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Sun’s Rays“Uneven Heating of the Earth due to
the curvature of Earth”
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• Larger Angle = More intense heat (hotter)
• Acute Angle = less intense heat (cooler)
90°
45°
EARTH
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Curved Earth = Sun rays hit Earth at angles
90°Right Angle = Very intense heat (HOT)
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90°
45°
45°
Curved Earth = Sun rays hit Earth at angles
Acute Angle = less intense heat (cooler)
Acute Angle = less intense heat (cooler)
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90°
45°
45°
Equator
is hottest
Coldest at the
Poles
30°
Cooler at
angles
Curved Earth = Sun rays hit Earth at anglesVERY acute Angle = less intense heat (coldest)
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