The movement of air, from high pressure to low pressure. The movement of air, from high pressure to low pressure. Copyright © 2010 Ryan P. Murphy.

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Presentation transcript:

The movement of air, from high pressure to low pressure. The movement of air, from high pressure to low pressure. Copyright © 2010 Ryan P. Murphy

The wind is caused by the different temperatures (and therefore air pressure differences) around a planet. The wind is caused by the different temperatures (and therefore air pressure differences) around a planet. This is caused by the Sun. This is caused by the Sun. Copyright © 2010 Ryan P. Murphy

The topography of the land (Mountain Effect) The topography of the land (Mountain Effect) Copyright © 2010 Ryan P. Murphy

An important renewable resource.

Brings rain – Without wind, the land wouldn’t get the evaporated water from the oceans. Copyright © 2010 Ryan P. Murphy

Activity! Draw the globe below N 30 S 60 N 60 S Equator

Global Winds (Word Bank) Global Winds (Word Bank) Go back to drawing of globe Go back to drawing of globe - Doldrums - Doldrums - Horse latitudes - Horse latitudes - Trade Winds - Trade Winds - Prevailing Westerlies - Prevailing Westerlies - Polar Easterlies - Polar Easterlies Copyright © 2010 Ryan P. Murphy

Doldrums- Areas of no wind, occurs at the equator, air here heats up fast causing low pressure. Copyright © 2010 Ryan P. Murphy

Horse Latitudes- Areas of no wind occurs at 30  N + 30, air stops moving toward the poles and sinks. Copyright © 2010 Ryan P. Murphy

Horse Latitudes- Areas of no wind occurs at 30  N + 30, air stops moving toward the poles and sinks. Copyright © 2010 Ryan P. Murphy When boats couldn’t find winds they would drop their weight. Often horses.

Horse latitudes again. Copyright © 2010 Ryan P. Murphy

Trade Winds- Surface winds are blown toward the equator because the horse latitudes produce areas of high pressure. –Coriolis force curves the wind. Copyright © 2010 Ryan P. Murphy

Prevailing Westerlies- Winds blowing toward the pole, move from west to east, occurs between 30  + 60  Copyright © 2010 Ryan P. Murphy

Polar Easterlies- Cold air sinks and heads toward the equator, Coriolis Effect curves the winds Copyright © 2010 Ryan P. Murphy

What is the name of the winds under the boxes below? Copyright © 2010 Ryan P. Murphy

The rotation of the earth (which causes the Coriolis Force). The rotation of the earth (which causes the Coriolis Force). Copyright © 2010 Ryan P. Murphy

Coriolis Force: A rotating body deflects. Coriolis Force: A rotating body deflects. Copyright © 2010 Ryan P. Murphy

Pressure gradient forces cause the hurricanes to spin opposite of the Coriolis Force. Copyright © 2010 Ryan P. Murphy

Pressure gradient forces cause the hurricanes to spin opposite of the Coriolis Force but the Coriolis Force keeps Atlantic forming hurricanes from crossing the equator and sends them NW. Copyright © 2010 Ryan P. Murphy

Coriolis Force means that you can’t fly in a straight line on a moving planet. Copyright © 2010 Ryan P. Murphy

Most importantly, wind travels from areas of high pressure to areas of low pressure! Most importantly, wind travels from areas of high pressure to areas of low pressure! High Pressure Wind Low Pressure Copyright © 2010 Ryan P. Murphy Coriolis Force

The Jet Stream: Any of the high-speed, high-altitude air currents that circle the earth in a westerly direction. The Jet Stream: Any of the high-speed, high-altitude air currents that circle the earth in a westerly direction. Copyright © 2010 Ryan P. Murphy

Flying times can be significantly shorter going from California to New York than vice versa because of the Jet Stream (100+kph) Copyright © 2010 Ryan P. Murphy

Jet Stream: Like the ocean current in the movie except in the air. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Sea Breeze (Day): The breeze that blows from the sea toward the land during the day. Copyright © 2010 Ryan P. Murphy

Caused by air rising over the warmer land (day) and is replaced by cooler air from above the sea. Caused by air rising over the warmer land (day) and is replaced by cooler air from above the sea. Copyright © 2010 Ryan P. Murphy

Land Breeze (Night): The breeze that blows from the land toward the sea. Land Breeze (Night): The breeze that blows from the land toward the sea. Copyright © 2010 Ryan P. Murphy

Land Breeze (Night): The breeze that blows from the land toward the sea.Land Breeze (Night): The breeze that blows from the land toward the sea. –High specific heat of water slowly releases stored energy from the day during the night making the water warmer than the land. Copyright © 2010 Ryan P. Murphy

Land Breeze (Night): The breeze that blows from the land toward the sea.Land Breeze (Night): The breeze that blows from the land toward the sea. –High specific heat of water slowly releases stored energy from the day during the night making the water warmer than the land. Copyright © 2010 Ryan P. Murphy

Land Breeze (Night): The breeze that blows from the land toward the sea.Land Breeze (Night): The breeze that blows from the land toward the sea. –High specific heat of water slowly releases stored energy from the day during the night making the water warmer than the land. Copyright © 2010 Ryan P. Murphy

Land Breeze (Night): The breeze that blows from the land toward the sea.Land Breeze (Night): The breeze that blows from the land toward the sea. –High specific heat of water slowly releases stored energy from the day during the night making the water warmer than the land. Copyright © 2010 Ryan P. Murphy

Which is a sea breeze and which is a land breeze? Copyright © 2010 Ryan P. Murphy

Which is a sea breeze and which is a land breeze? Copyright © 2010 Ryan P. Murphy

Which is a sea breeze and which is a land breeze? Copyright © 2010 Ryan P. Murphy

Which is a sea breeze and which is a land breeze? Copyright © 2010 Ryan P. Murphy

Which is a sea breeze and which is a land breeze? Copyright © 2010 Ryan P. Murphy

Mountain Winds: Mountains can create strong winds. Warm air rises up Mtn. (day) Mountain Winds: Mountains can create strong winds. Warm air rises up Mtn. (day) Copyright © 2010 Ryan P. Murphy

Mountain Winds: Mountains can create strong winds. Warm air rises up Mtn. (day), Cool air sinks down Mtn. (Night) Mountain Winds: Mountains can create strong winds. Warm air rises up Mtn. (day), Cool air sinks down Mtn. (Night) Copyright © 2010 Ryan P. Murphy

Mountain Winds (Day) Copyright © 2010 Ryan P. Murphy

Mountain Winds (Night) Copyright © 2010 Ryan P. Murphy

Mountain Rain Shadow Effect: Mountain Rain Shadow Effect: Copyright © 2010 Ryan P. Murphy

WetDry Copyright © 2010 Ryan P. Murphy

Water availability varies greatly on this planet. Copyright © 2010 Ryan P. Murphy