ocean currents quiz
the Brazil Current is associated with which gyre?
South Atlantic Gyre
Deep-water currents move ________ volumes of water and are much ________ than surface currents.
decrease; increase
deep ocean currents are driven primarily by _______ and caused by _______.
density differences; differences in salinity and temperature
The observation that ships and icebergs in the southern hemisphere float to the left of the wind direction is an example of which of the following?
Ekman transport
The California current is associated with which gyre?
North Pacific Gyre
About what percent of wind's energy is transferred to the ocean surface?
Two
Geostrophic circulation within a gyre is driven by ______.
gravity and the Coriolis effect
Which of the following currents contributes to the South Eastern United States being humid?
gulf stream
which of the following is NOT an eastern boundary current?
gulf stream
which of the following statements is true of surface ocean currents?
surface currents form circular patterns in the major ocean basins called "gyres"
the Ekman spiral is caused by _______.
the wind and the Coriolis effect
equatorial currents are driven by the _______.
trade winds
Surface ocean currents are driven primarily by ________ and modified by ________.
wind; the Coriolis effect and land
