Transcript Sea Breeze (Day)

• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
Bellringer
1. What are the two ways to increase salinity in the ocean?
2. How do most cold currents move?
3. Why does warm water rise above colder water in the
ocean?
4. What is a scavenger?
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
• Any guesses what the next area of focus
will be?
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy

Wind is The movement of air, from high
pressure to low pressure.
Copyright © 2010 Ryan P. Murphy

The wind is caused by the different
temperatures caused by the sun (and
therefore air pressure differences).
 This
is caused by the Sun.
Copyright © 2010 Ryan P. Murphy

The wind is caused by the different
temperatures caused by the sun (and
therefore air pressure differences) around a
planet.
 This
is caused by the Sun.
Copyright © 2010 Ryan P. Murphy

Temperature differences over the land and
over seas.
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Cool air has high pressure
 Warm air has low pressure

• An important renewable resource.
• Brings rain – Without wind, the land
wouldn’t get the evaporated water from the
oceans.
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• Wind blowing through your hair feels good
/ cools you down.
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• The wind brings smell.
– Water, prey items, predators, etc.
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• Wind allows a bird to fly with minimal
effort.
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• To move.
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• Many insects use wind to move / disperse.
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• To dry out and also to cool down.
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• Crocodiles and alligators open their mouths
and allow wind to cool them down.
Copyright © 2010 Ryan P. Murphy
Global Winds (Word Bank)
 Go back to drawing of globe

-
Doldrums
Horse latitudes
Trade Winds
Prevailing Westerlies
Polar Easterlies
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• Doldrums- Areas of no wind, occurs at the
equator, air here heats up fast causing low
pressure.
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• 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.
When boats
couldn’t find
winds they
would drop their
weight. Often
horses.
Copyright © 2010 Ryan P. Murphy
• Horse latitudes again.
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• Trade Winds- Surface winds are blown
toward the equator because the horse
latitudes produce areas of high pressure.
– Coriolis force curves the wind.
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• Prevailing Westerlies- Winds blowing
toward the pole, move from west to east,
occurs between 30+ 60
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• Polar Easterlies- Cold air sinks and heads
toward the equator,
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• Polar Easterlies- Cold air sinks and heads
toward the equator, Coriolis Effect curves
the winds
Copyright © 2010 Ryan P. Murphy

Most importantly, wind travels from areas
of high pressure to areas of low pressure!
Wind
Low
Pressure
Copyright © 2010 Ryan P. Murphy

Most importantly, wind travels from areas
of high pressure to areas of low pressure!
High
Pressure
Wind
Low
Pressure
Copyright © 2010 Ryan P. Murphy

Most importantly, wind travels from areas
of high pressure to areas of low pressure!
High
Pressure
Wind
Low
Pressure
Copyright © 2010 Ryan P. Murphy

Most importantly, wind travels from areas
of high pressure to areas of low pressure!
High
Pressure
Wind
Low
Pressure
Copyright © 2010 Ryan P. Murphy

Most importantly, wind travels from areas
of high pressure to areas of low pressure!
Coriolis Force
High
Pressure
Wind
Low
Pressure
Copyright © 2010 Ryan P. Murphy

The Jet Stream: Any of the high-speed,
high-altitude air currents that circle the
earth in a westerly direction.
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• Flying times can be significantly shorter
going from California to New York than vice
versa because of the Jet Stream (100+kph)
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• Jet Stream: Like the ocean current in the
movie except in the air.
Copyright © 2010 Ryan P. Murphy
• What’s it like playing Frisbee or Whiffle
Ball on the beach?
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“Whoa,
the wind!”
Copyright © 2010 Ryan P. Murphy

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.
Copyright © 2010 Ryan P. Murphy

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.
Copyright © 2010 Ryan P. Murphy

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.
Copyright © 2010 Ryan P. Murphy

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.
Copyright © 2010 Ryan P. Murphy

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.
Copyright © 2010 Ryan P. Murphy
• 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.
– 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.
– 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.
– 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
It’s caused by the
different
temperatures (and
therefore air
pressure differences)
around a planet.
“Yeh, Wind.”