Factors Affecting Surface Currents
Effects on Climate
El Nino and La Nina
Temperature, Salinity and Density
Global Ocean Conveyor
100

What drives surface currents?

global winds

100

What is the most powerful surface current in the North Atlantic Ocean?

Gulf Stream

100

What ocean does El Nino and La Nina take place in?

Pacific Ocean

100

How does cold water find its way towards the equator?

deep ocean currents

100

What is salinity?

The amount of salt in the ocean.

200

What type of temperature currents move AWAY from the equator?

warm

200

What is the climate on land that warm water flows by?

warm temperatures and wet weather

200

True or False

El Niño and La Niña events shift weather patterns around the world.


true

200

Are icebergs and glaciers made from fresh water or salty water?

fresh

200

How is oxygen distributed throughout the ocean?

deep ocean currents

300

What type of temperature currents move TOWARDS the equator?

cold

300

What is the land's climate where cool currents flow?

cool and dry

300

What is it called when the surface waters in the eastern Pacific are colder than normal?

La Nina

300

Do deep ocean currents travel quickly or slowly?

slowly

300

Is the water temperature warm or cold at the bottom of the ocean?

cold

400

What causes surface currents to curve left and right?

the coriolis effect

400

When ocean water is evaporated, in the water cycle, is the salt also evaporated or left behind?

left behind

400

Is the water's salinity higher or lower at the bottom of the ocean?

higher

500

What are 2 other things that drive patterns of ocean circulation?

unequal heating of the Earth and Earth's rotation

500

What drives deep ocean currents?

water density

500

How do temperature and salinity affect the ocean?

colder saltier water is more dense