ATMS211 Climate and Climate Change
Homework # 3
Due Date: Friday 04/20/07
1)
2)
3)
4)
a)
Describe three processes that produce uplift in the
atmosphere. (6 pts)
b)
How does uplift of moist air result in precipitation? (3 pts)
a)
Give the approximate latitudes that define the Tropics, the
Extra-Tropics, the Sub-Tropics, the Mid-latitudes and the Polar
latitudes (5 pts)
b)
What latitude bands in each hemisphere (not counting the
polar regions) tend to have deserts? (2 pts)
c)
What global-scale pattern accounts for this tendancy?
Give a brief description. (4 pts)
a)
Explain why less solar energy is absorbed at high (i.e. polar
latitudes) latitudes than at low (i.e. tropical) latitudes. (2 pts)
b)
Explain why more longwave (infrared) energy is emitted at low
latitudes than at high latitudes. (2 pts)
a)
During northern hemisphere (NH) summer, the Earth-Sun distance
is at its maximum. If the Earth is farther from the Sun than any time
during the year, why isn’t this NH winter? (2 pts)
b)
Which part of the Earth experiences the least seasonal variation?
(2 pts)