OCE Final Ch 7

Which of the following is not an eastern boundary current?

Gulf Stream

Word Analysis:

Gulf of Alaska, Agulhas Current, Peru Current, strong trade winds

Which of the following is true of surface water circulation near Antarctica?

Two circumpolar currents dominate it, one current that moves water to the east and one current that moves water to the west

When a meander from the Gulf Stream pinches off and isolates a body of nearshore water, the resulting body of water is called a:

cold-core ring

During winter months, monsoon winds over the Indian Ocean:

flow from land to sea and are dry

Geostrophic circulation is within a gyre driven by:

gravity

Deep ocean water in the Indian Ocean includes Red Sea water which has:

high salinity and low oxygen

Deep water circulation in the Pacific Ocean is influenced by:

hydrothermal vents from the East Pacific Rise

Deep ocean water generally has high amounts of:

nutrients and oxygen

Scientists have concluded that deep Pacific Ocean water is old is due to its low:

oxygen levels

Equatorial currents are driven by the:

trade winds

Strong upwelling occurs in all of the following except:

where deep ocean water currents are formed

Surface ocean circulation is driven primarily by ___ and modified by ___

wind, the Coriolis effect and land

Compared to an eastern boundary current in a gyre, which of the following statements is true for a western boundary current?

All the above statements are true of western boundary currents

The arrangement of water masses in the southern Atlantic Ocean from the surface to the bottom is:

Antarctic Intermediate Water, North Atlantic Deep Water, Antarctic Bottom Water

Which of the following is a western boundary current?

Brazil Current

Compared to a western boundary current, which of the following statements is true for an eastern boundary current?

Eastern boundary currents are broad and slow