chapter 7: ocean currents

whcih of the following is NOT an eastern boundary current?

Gulf stream

An increase in seawater density can be caused by a ________ in temperature or a/an ________ in salinity.

decrease; increase

deep ocean currents are driven primarily by __________ and caused by __________

density differences; differences in salinity and temperature

about what percent of the wind's energy is transferred to the ocean surface?

2%

the observation that ships and icebergs in the southern hemisphere float to the left of the wind direction is an exmple of which of the following?

Ekman transport

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 humind?

gulf stream

Deep-water currents move ________ volumes of water and are much ________ than surface currents.

larger; slower

the california current is associated with which gyre?

north pacific gyre

the brazil current is associated with which gyre?

south atlantic gyre

which of the following statements is true of surface ocean currents?

surface currents transport warm water toward the equator

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; Coriolis effect and land