Unit 5 Weather & Global Climate_ Lab Practical on Air Pollution (2 points)
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School
Arizona State University *
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Course
111
Subject
Geography
Date
Feb 20, 2024
Type
Pages
2
Uploaded by toppingdog0964
Score for this quiz: 2 out of 2
Submitted Feb 5 at 7:05pm
This attempt took 2 minutes.
Question 1
0.5 / 0.5 pts
Massive forest fires in western Canada moved towards the eastern USA, as shown in this
image:
AirPollution4.jpg
Using your understanding of global wind systems and the general circulation of Earth's
atmosphere, what is the name of the global wind or pressure system that is most likely
responsible?
trade winds
polar easterly winds
polar front
Correct!
westerly winds
Westerly winds flowing from west to east is responsible for pushing the fire smoke towards the
east coast of the USA and also Canada.
Question 2
0.5 / 0.5 pts
Dust from Africa can be seen moving across the Atlantic to the Amazon Basin here:
AirPolluion1.jpg
Using your understanding of global wind systems and the general circulation of Earth's
atmosphere, what is the most likely wind system responsible for transporting this dust?
The Doldrums
The Westerly Winds
Correct!
Trade Winds
El Nino
The trade winds flow from east to west and carry African dust from the Sahara Desert towards
both South and North America. You can read some of the implications in this news storyLinks to
an external site..
Question 3
0.5 / 0.5 pts
During El Nino events, large forest fires erupt in Indonesia due to regional drought. The fire
smoke can be seen here blowing from east to west in this image:
AirPollution3.jpg
Using your understanding of global wind systems and the general circulation of Earth's
atmosphere, what is the name of the global wind or pressure system that is most likely
responsible?
polar easterly winds
counter-equatorial winds
Correct!
trade winds
Hadley cell winds
Trade winds dominate the tropical latitudes and blow smoke from east to west.
Question 4
0.5 / 0.5 pts
In the last decade a number of news stories have covered scientific research documenting
pollution sourced in China reaching the western USA. This is one example of such a story:
AirPolluion2a.jpg
This presents a map of the pollution sourced from China:
AirPollution2b.jpg
Using your understanding of global wind systems and the general circulation of Earth's
atmosphere, what is the most likely global wind or pressure system responsible for transporting
this pollution?
Correct!
westerly winds
trade winds
polar easterly winds
subtropical high
The westerly winds transport Chinese air pollution from west to east, and some of it does arrive
in the western USA.
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