AMS Climate Studies Student Pre-Test
1. Which heat-trapping (greenhouse) gas has the greatest concentration in the atmosphere?
d. water vapor
2. All of the following processes release carbon dioxide into the atmosphere EXCEPT __________.
c. photosynthesis by green plants on land and algae in water
3. Perturbations in the radiative forcings of climate include all of the following EXCEPT __________.
c. changes in the flow of infrared radiation from Earth to space
4. The radiation emitted by the Earth system peaks in the __________ portion of the electromagnetic spectrum.
5. Contributors to the IPCC assessment reports include more than 2000 scientists from __________.
c. over 150 nations
6. What is the ultimate source of energy driving Earth’s climate system?
d. the Sun
7. The changing seasons on Earth are caused ...view middle of the document...
d. All of the above are correct.
12. Viewed from above in the Northern Hemisphere, surface winds about a center of high pressure blow __________.
a. clockwise and inward
13. In the Northern Hemisphere, currents flowing at the ocean’s surface along the East coast of major continents from lower latitudes would carry __________.
b. cool water toward the south
14. A monsoon climate typically features __________.
a. wet summers and dry winters
15. Which atmospheric conditions are most likely responsible for a sea breeze (wind blowing from the sea)?
a. higher air pressure over the water and lower air pressure over the land
16. Through which process is some of the radiation striking an object converted to heat energy?
17. An strong and persistent El Niño __________.
c. may be accompanied by weather extremes in various parts of the world
18. Plate tectonics has been an important control of climate __________.
d. throughout Earth’s history
19. Reliable instrumented temperature records date from the late
20. Hurricanes do not form at the equator because
b. sea-surface temperatures typically are too low.
21. The definition of climate involves all of the following EXCEPT __________.
b. boundary conditions and forcings established by the Sun and Earth system
22. The climate record shows the time of transition between climatic episodes to be __________ the duration of the individual episodes.
d. sometimes much longer than and sometimes much shorter than
23. El Niño and La Niña are inter-annual variations in Earth’s climate system occurring in the
c. Pacific Ocean
24. Multi-year Arctic ice cover and ice thickness __________ in the last quarter of the 20th century.
b. decreased substantially
25. Milankovitch argued that regular changes in the Earth-Sun geometry explained the large-scale climatic fluctuations during the Pleistocene Ice Age primarily by __________.
a. altering the aerosol content of the troposphere