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Published on Nov 18, 2015
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1.
WIND IN THE ATMOSPHERE
BY FIONA
Photo by
Vvillamon
2.
THE MOVEMENT OF AIR
The sun warms the Earth unevenly
The difference in air pressure causes wind
Air moves because of differences in density
Photo by
Werner Kunz
3.
THE MOVEMENT OF AIR
Differences in pressure cause convection cells
It creates high and low pressure areas
Photo by
marcp_dmoz
4.
THE MOVEMENT OF AIR
The Coriolis effect is the curving of the path of an object due to the rotation of the Earth
Air moving north in the Northern Hemisphere curves to the east
Air moving south in the Northern Hemisphere curves to the west
Photo by
Alexandre Moreau | Photography
5.
GLOBAL WINDS
Global winds can be caused by pressure belts
It can also be produced by the Coriolis effect
Photo by
Manoj Kengudelu
6.
GLOBAL WINDS
The three major wind systems are the easterlies, the westerlies, and trade winds
Polar easterlies blow east to west
Westerlies blow west to east
Trade winds blow east to west
Doldrums are weak winds near the equator
Photo by
Gordon McKinlay
7.
GLOBAL WINDS
Jet streams are high speed winds that blow west to east
They blow between 7 km and 16 km
Photo by
Dania Do Svidaniya
8.
LOCAL WINDS
Local winds are the movement of air over a short distance
They can blow any direction
They are caused by local geographic features
Photo by
overgraeme
9.
LOCAL WINDS
Sea breezes are caused by the water being cooler than land
Land breezes are caused by high pressure zones above land
Photo by
ecstaticist
10.
LOCAL WINDS
Mountain breezes are caused by uneven heating on the mountain slopes
Valley breezes are caused by air moving down the valley
Photo by
blmiers2
Fiona Becker
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