Ocean Currents

Name (Last, First)

Period

• 1
• 2
• 4

Upwelling currents bring water to the surface that is ..... (You must choose the TWO correct answers)

• warm
• cold
• rich in nutrients
• rich in oxygen

Which shows a normal year in the Pacific Ocean?

• Map A
• Map B

Which shows a year that California and Mexico might experience a little relief from their typical drought like conditions?

• Map A
• Map B

Which current shown on the globe is the Gulf Stream?

• Current A
• Current B
• Current C
• Current D

Which of these is considered an equatorial current, driven by tradewinds?

• Current A
• Current B
• Current C
• Current D

What causes the downwelling in the Northern Atlantic Ocean?

• strong winds from the Arctic Ocean
• salty water becoming very cold and dense in the Northern Atlantic
• extra strong tradewinds
• the delivery of warm water by the Gulf Stream

The Ocean Conveyor Belt is also called thermohaline circulation because it is driven by

• winds
• Coriolis Effect
• differences in temperature and density

During an El Nino year, the tradewinds

• are weaker
• are stronger
• don't change