Geog 204 Global Environmental Systems
Fall 2009 (Oct. 26)

QUIZ 6 Practice for Second Midterm on Monday, November 2

I. MULTIPLE CHOICE: Read each question carefully before you answer. If more than one answer seems correct, choose the BEST answer. (1 pt each)

1. Which of the following is NOT associated with ocean circulation?

a. Gyres
b. Intertropical Convergence Zone
c. Horse Latitudes
d. Doldrums
e. Thermohaline circulation

2. Which of the following is a semipermanent low pressure system that generates winter storms over Europe and disappears in summer?

a. Aleutian Low
b. Bermuda Low
c. Siberian Low
d. Icelandic Low
e. Balsamic Low

3. Which of the following is NOT a mechanism for causing air to rise?

a. Convergence
b. Convection
c. Radiation
d. Frontal uplift
e. Orographic Uplift

4. The ITCZ is caused by:

a. a combination of cooling and convergence
b. a combination of heating and convergence
c. friction and the Coriolis effect
d. the westerlies meeting the easterlies
e. none/all of the above. (;>)

5. How many calories must be added to one gram of water to cause it to change phase from liquid to vapor at sea level?

a. 80
b. 100
c. 120
d. 540
e. 720

6. Which type of air mass would be cold and moist?

a. continental polar
b. maritime tropical
c. continental tropical
d. tropical polar
e. maritime polar

7. The environmental lapse rate is the change in temperature with

a. latitude
b. longitude
c. elevation
d. atmospheric pressure
e. depth

MATCHING. Place the Letter next to words or symbols on the left column NEXT TO their corresponding words on the right. 1 pt each

A Cumulonimbus		saturated air
B Dew point		cool, moist air mass
C Maritime polar		thunder cloud

SHORT ESSAY. Pick ONE of the following topics to answer in one or two brief, well-planned paragraphs. Please use full sentences and proper grammar and spelling. Write on this and continue on the extra sheet. Use well-labeled sketches or diagrams where requested or helpful. (10 pts)

1 Under what environmental conditions will air tend to be stable or unstable? What kinds of surface air pressure are associated with stable or unstable conditions? How might air masses play a role in stability or instability? What does stability or instability mean, in terms of the kind of weather you can expect? Explain each briefly.