Question 1

Carbon dioxide in the atmosphere

Accepted Answer

A)   Can be explained mainly by human additions from industrial activity
B)   Has increased only in the past decade
C)   Has declined since new regulations have taken effect
D)   Has increased over the past 150 years in the atmosphere D

Question 2

ENSOs are associated with

Accepted Answer

A)   Increased upwelling off the coast of California
B)   A deeper thermocline off the coast of Peru
C)   Localized changes in water temperature confined to Peru
D)   None of the above B

Question 3

Sea surface temperature has

Accepted Answer

A)   Increased the same amount over the past 100 years, irrespective of latitude
B)   Increased along a straight-line trajectory over the past 100 years
C)   Increased much more at the Equator and much less along the poles
D)   Increased differently at different locations and at different decades in the past 100 years D

Question 4

The Pacific Decadal Oscillation

Accepted Answer

A)   Has its effects concentrated only in the coastal zone off of Japan
B)   May strongly affect long-term sea level rise
C)   Has a precise 10-year oscillation cycle
D)   Can bring cold water species south along the west coast of North America

Question 5

Carbon dioxide in the atmosphere has increased over the past century

Accepted Answer

A)   Only because of deforestation
B)   Only because of fossil fuel burning
C)   Because of a and b, and other sources
D)   None of the above

Question 6

Climate oscillations

Accepted Answer

A)   Can affect both the Atlantic and the Pacific oceans
B)   Never occur in conjunction with longer-term trends
C)   Usually affect only one ocean
D)   Never have an oscillatory period less than 20 years

Question 7

The North Atlantic Oscillation

Accepted Answer

A)   Only affects climate in the open North Atlantic
B)   May strongly affect sea level rise
C)   Can have major effects on estuaries in northern Europe
D)   Has an oscillatory period of 100 years

Question 8

An example of a climate oscillation is

Accepted Answer

A)   The steady rise of sea level for the past 100 years
B)   ENSO
C)   Random change observed in the past 15 years of coastal flooding
D)   The steady loss of sea ice in the summer in the Arctic Ocean

Exam 3: Climate Oscillations and Climate Change