PHYSICAL GEOGRAPHY   
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            Atmospheric Wind       

 

LINKS

CLASS LECTURE: AIR TEMPERATURE Review the power point lecture from class. Warning: this may not have the most up to date file. This is only a general overview it does not include all the diagrams,  drawings, and discussions from class but it is a good place to start and a helpful review

SYLLABUS

MAP RESOURCES

LECTURES

Review the lecture topic (atmospheric circulation) with a lecture video from fellow Grossmont Geographer Tim Cliffe
tim cliffe video


WIND:
what is wind?

Guide yourself through the University of Illinois Weather tutorial (click online guide and then you're off)



AIR PRESSURE:

What is Atmospheric Pressure?


 
How is Atmospheric pressure related to my ears popping?



Vertical Variation of Air Pressure:


A complete explanation of Air Pressure, vertical distribution and wind




Horizontal Distribution:
1. Pressure Gradient Force
2. Coriolis Force
3. Surface Friction

Start with this great tutorial explaining "wind"          step by step!!!!


1. Pressure Gradient Force:

What is it?


An example from USA Today newspaper


2. Coriolis force:
(This one is tricky)

Check out one of the Coriolis animations here.



The folks at U of Illinois explain it well


An explanation from USA Today's weather     authorities


and... another good explanation...


Result of... the (1.) pressure gradient force and the   (2.) Coriolis Force
= Geostrophic wind

A. Read the description
B. Watch the animation


3. Surface Friction



The effect of surface friction decreases with distance from the Earth's surface



What happens at the surface is directly related to what's going on aloft, click here to find out why.




Results:
Check out how all of these contribute to the wind we have at the surface:

A. Surface Wind...
  


B. Play with the 3 different variables and see what happens to the wind






Now review everything we've discussed!




PRACTICE QUESTIONS:

What should I know for the test?

Take the practice Quiz and review other resources offered through the book website

 

McKnight Textbook: Chapter 5

 


Jane Thorngren's Physical Geography practice questions  

 

Practice Questions from an online physical geography course

Review questions from the UWSP geography department: search for the section we are talking about and take a graded practice quiz or exam










2007 This website was created and is maintained by Scott Therkalsen: Instructor of Geography, Grossmont Community College El Cajon, CA. Some of the content found within was borrowed expressly for educational purposes. Information is presented in good faith and should be used likewise. Enjoy





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