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Midterm

2012 Midterm Summer.pdf


Department
Environmental Science
Course Code
EESA09H3
Professor
Tanzina Mohsin
Study Guide
Midterm

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EESA09H3 WIND
Midterm, Summer 2012
Instructor: Tanzina Mohsin
T.A.s: Vincent Cheng, Benita Tam, Slowamir Kowal
Date: Thursday, June 21, 2012
Time: 6:10 to 8:10 pm (Maximum time allotted 2 hours)
Pages: 11 pages
No aids allowed
Preamble: The exam consists of 6 parts.
The first section, „who‟s who‟ is worth 5 marks.
The second section, true or false, is worth 10 marks.
The third section, Multiple Choice Questions, is worth 10 marks.
The forth section consists of five definitions for a total of 10 marks.
The fifth section consists of four short answer questions worth five marks each
for 20 marks.
In the final section there is one concept map to choose from the two topics,
worth 5 marks.
There are a total of 60 marks. Please gauge your time accordingly.
Last Name: _____________________ First Name:_________________
Student#_________________

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2
Part 1. “Who‟s Who”. Write the names in the middle column with
associated concepts on the right. 1 mark each.
Sebastian Junger
Perfect Storm
Tornadoes
Steenhof and
Gough
Atlantic Tropical Cyclone
Hail
T. Fujita
Tornadoes
Perfect Storm
D. Etkin and E.
Brun
Hail
Global circulation
W. Ferrel
Global circulation
Atlantic Tropical Cyclone
Part 2. True or False. Indicate „T‟ or „F‟ in the spaces provided. 1 mark
each.
1. The Intertropical Convergence Zone brings sinking
air and suppressed precipitation.
False
2. Thunderstorms are most common over the ocean.
False
3. Pyrocumulus clouds form over fires.
True
4. Pressure is measured using a hygrometer.
False
5. The south-east Pacific is too cold for hurricanes to
develop.
True
6. The QBO affects stratospheric winds.
True
7. Dust storms only occur in dry areas.
True
8. All lightning begins at the cloud base and travels to
the surface.
False
9. The Earth‟s atmosphere is mostly nitrogen.
True
10. Hurricanes rank the third costliest natural disaster in
Canada
False

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3
Part 3: Multiple choice questions: Circle the Answer that you think is the most
suitable for the following multiple choice questions. 10 marks.
1. The three cell theory is superior to one cell theory because the former can explain
some of the following observations except
a. Seasonality
b. Continentality
c. Origins of air masses
d. Effects of Coriolis force
2. Which is NOT true for Coriolis force
a. it is a due to the rotation of Earth
b. is not related to the distance from the equator
c. deflects wind to the left in the Southern Hemisphere
d. it has similar effect at the equator and at the pole
3. Some important requirements for the formation of hurricanes are not
a. sea surface temperature threshold of 26.5ºC
b. convergence at the surface
c. jet stream to the south at the upper level
d. rising air releases latent heat, warms upper atmosphere
4. Which is NOT true for the Long Range Transport of Saharan Dust to North America
a. when there is intensified Icelandic Low and Azores High
b. cause Caribbean sunsets
c. cause “red rain” in Gibraltar√
d. cause dirty windshields
e. carried by Trade Winds
5. Surface conditions are not the dominant mechanism for which of the following storm.
a. Hurricanes
b. Dust Storms
c. Midlatitude Cyclones
d. Thunderstorms
e. None of the above
6. Which one of the following is not true for the similarities between Hurricanes and
Polar lows
a. Both have an eye in the middle
b. Both use latent heat as an energy source
c. Both are affected by air masses
d. Both dissipate at landfall
e. Both have an warm core
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