If an eddy found in the Gulf Stream is rotating counterclockwise, then it is:
a. a warm water eddy.
b. a cold water eddy.
c. a transverse current.
d. an eastern boundary current.
ANS: B
An eddy is a turbulent ring that has cold or warm water trapped within its center. It becomes separate
from the main flow of water. In the Gulf Stream, cold water eddies rotate counterclockwise while
warm water eddies move clockwise. Information can be found in the section Surface Currents Are
Driven by the Winds.
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