What is true about the Walker Circulation?
A. South Americas west coast has low pressure.
B. High pressure develops over northern Australia.
C. Cloudy, wet weather is found all over the Pacific.
D. It is the reverse of the circulation during an El Nio event.
E. Trade winds blow from west to east.
Question 2What is NOT true about El Nio?
A. It occurs off the west coast of South America.
B. It develops abnormally warm water.
C. It changes precipitation patterns.
D. It only affects areas near South America.
E. It disrupts fisheries that rely on upwelling.
Question 3Which localized winds develop in a pressure gradient becoming warm and dry as they flow down leeward slopes?
A. Santa Ana winds
B. valley breezes
C. chinook winds
D. mountain breezes
E. katabatic winds
Question 4Which localized winds develop in colder upland areas and blow downslope pulled by gravity?
A. Santa Ana winds
B. valley breezes
C. chinook winds
D. mountain breezes
E. katabatic winds
Question 5What is NOT true about valley and mountain breezes?
A. They are related to clear daytime conditions.
B. They occur as a daily cycle of airflow.
C. During the day, air flows upslope.
D. They occur only in hilly or mountainous areas.
E. At night, air flows downslope.
Question 6In a sea breeze, where does the relative low pressure develop?
A. offshore
B. over the sea
C. over the land
D. at sea cliffs
E. depends on time of day
Question 7Aside from seasonal shifts of the ITCZ, what is also thought to contribute to monsoons in southeastern Eurasia?
A. location of subtropical high
B. Himalayan Mountains
C. Indian Ocean surface temperature
D. polar jet streams
E. lack of land cover
Question 8What is true about the seasonal variation in the location of the ITCZ?
A. It migrates into the Northern Hemisphere in January.
B. It brings monsoonal rains to the Western Hemisphere.
C. It migrates into the Southern Hemisphere in July.
D. Its greatest poleward shift occurs over landmasses.
E. It migrates up to 25 latitude in both hemispheres.
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