Deep Ocean Currents Quiz

What primarily causes deep ocean currents?

• Earth's rotation

• Tidal forces

• Density differences

• Wind patterns

What does 'thermohaline' refer to in oceanography?

• Temperature and pressure

• Temperature and salinity

• Wind and temperature

• Salinity and pressure

What is the primary cause of the vertical movement in deep ocean currents?

• Earth's rotation

• Tidal forces

• Density differences

• Wind

Where does the global ocean conveyor belt begin its journey?

• South Pole

• North Pole

• Equator

• Between North America and Europe

How long does it take for a water molecule to complete the global conveyor belt circuit?

• 500 years

• 2000 years

• 100 years

• 1000 years

What is one of the primary roles of the global conveyor belt?

• Generating ocean waves

• Distributing nutrients

• Creating ocean tides

• Increasing ocean salinity

How does the global conveyor belt affect sea ice?

• It prevents any ice formation

• It melts all sea ice

• It regulates the amount of sea ice

• It increases ice thickness

What is the significance of the global conveyor belt in terms of the earth's heat budget?

• It has no effect on temperature

• It decreases the earth's temperature

• It helps distribute heat around the earth

• It increases the earth's temperature

What happens to warm water in the global conveyor belt?

• It rises to the surface

• It sinks and cools

• It evaporates

• It remains stationary

What is the effect of the global conveyor belt on the temperature of ocean water?

• It only affects surface temperature

• It has no effect on temperature

• It makes the temperature uniform

• It increases temperature differences