Ch09TBAns - CHAPTER 9 ATMOSPHERES PLANETARY CIRCULATION _...

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CHAPTER 9 ATMOSPHERE’S PLANETARY CIRCULATION __________________________________________________________ MULTIPLE CHOICE QUESTIONS 1. Viewed from above in the Northern Hemisphere, surface winds about a subtropical high blow a. clockwise and inward. b. counterclockwise. c. counterclockwise and outward. d. clockwise and outward. e. None of these is correct. *d. clockwise and outward. 2. Viewed from above in the Southern Hemisphere, surface winds about a subtropical high blow a. clockwise and inward. b. counterclockwise. c. counterclockwise and outward. d. clockwise and outward. e. None of these is correct. *c. counterclockwise and outward. 3. Viewed from above in the Northern Hemisphere, winds above the atmospheric boundary layer blow ______ about the center of a subtropical high. a. clockwise and parallel to isobars b. clockwise and across isobars toward low pressure c. counterclockwise and parallel to isobars d. counterclockwise and across isobars toward high pressure e. None of the above is correct. *a. clockwise and parallel to isobars 4. The eastern flank of a subtropical anticyclone is characterized by a. unstable air. b. ascending air. c. dry climates. d. All of these are correct. e. None of these is correct. *c. dry climates. 5. The western flank of a subtropical anticyclone is characterized by
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relatively stable air. b. mostly descending air. c. moist climates. d. All of these are correct. e. None of these is correct. *c. moist climates. 6. A broad region of very light winds or calm conditions prevail a. in subpolar lows. b. in the trade wind belts. c. along the horse latitudes. d. near 60 degrees latitude. e. at the Tropic of Cancer. *c. along the horse latitudes. 7. Subtropical anticyclones are ______-core systems. a. cold b. warm *b. warm 8. Over a broad region about the center of a subtropical high, the horizontal air pressure gradient is ______ and winds are ______. a. weak. .............. calm b. steep. .............. calm c. weak. .............. strong d. steep. .............. strong e. None of these is correct. *a. weak. .............. calm 9. The trade winds blow out of the ______ flank of the subtropical anticyclones. a. poleward b. equatorward c. eastern d. western *b. equatorward 10. In the Northern Hemisphere, trade winds blow from the __________. a.
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Ch09TBAns - CHAPTER 9 ATMOSPHERES PLANETARY CIRCULATION _...

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