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How unequal heating of the Earth’s surface causes the atmosphere to move (wind) Dr. Rob Black Professor of Meteorology Georgia Tech. What are we trying to understand? 1) Sea Breeze (at the beach). Millersville University NOAA Jet Stream - PowerPoint PPT Presentation
Citation preview
Millersville University NOAA Jet Stream
http://www.atmos.millersville.edu/~lead/SeaBreezeYard.jpg
http://oceanservice.noaa.gov/education/yos/resource/JetStream/
The Telegraph NC State University
http://www.telegraph.co.uk/ http://www.nc-climate.ncsu.edu/edu/k12/.Monsoons
University Corporation for Atmospheric Research http://www.meted.ucar.edu/
dreamstime.com http://www.dreamstime.com/
http://sharegeography.co.uk/
http://krygier.owu.edu/krygier_html/geog_111/geog_111.html
Size? Density?
Movement?
Process?
Increases Decreases
Rises Up
Convection
Size? Density?
Movement?
Process?
Decreases Increases
Sinks
Convection
Q1: Flame heats bowl by what process(es)?
Conduction?
Radiation?
Convection?
Q2: Bowl heats water by what process(es)?
Q3: What will happen to hot blob of water?
Size?
Density?
Movement?
Increase
Decrease
Rise upward(Convection)
Q4: How does pressure change above/below?
At top?
At bottom?
Increases
Decreases
H
L
Q5: How will water move at top and bottom?
At top?
At sides?
At bottom?
Spread out(Diverge)
Sinking
Move Inward(Converge)
H
L
Experimental Setup:
♠ Place a drop of blue food color at one side
♥ Place a drop of red food color at opposite side
♣ Drops will first sink and then mix with water
♦ Mixed drops will then show motion in water
♠ Look for area where water is rising
♥ Place a drop of green food color in rising water
♣ Watch what happens!
Experimental Observations
♠ Where does water appear to rise or sink?
♥ Where does water spread out (diverge)?
♣ Where does water move together (converge)?
♦ How do your observations compare with your expectations (based upon physical principles presented in the powerpoint)?
♠ How are the 2 experiments different or similar?
♥ How do the experiments compare to sea breeze, etc?
Weather Questions?
Earth and Atmospheric Science at Georgia Tech:
http://www.eas.gatech.edu/
My e-mail (for your questions on weather!):