Lesson 4 - Latitudes and wind

Question 1

What is the coriolis effect?

Answer 1

Mass movement of air and water due to earth rotation left in north hemisphere

Question 2

Where are the doldrums?

Answer 2

At the equator

Question 3

Name the HFP cells

Answer 3

Hadley, Ferrell, polar

Question 4

Which cell has reversed Flow

Answer 4

Ferrell

Question 5

Which cell do you get northeast trade winds

Answer 5

Hadley North

Question 6

Which cell do you get westerly winds

Answer 6

Ferrell

Question 7

Which cell do you get easterly winds

Answer 7

Polar

Question 8

Where are the horse-latitudes found?

Answer 8

30°

Question 9

What is a gyre ?

Answer 9

Rotation of air where energy is transferred to water

Question 10

What is an ekman spiral?

Answer 10

Deep water flows at different speeds as you get deeper. The coriolis effect causes a spiral pattern.

Question 11

What is downwelling?

Answer 11

The vertical movement of water downwards due to converging surface currents.

Question 12

What is upwelling?

Answer 12

Vertical movement of water upwards due to diverging currents

Question 13

Langmuir circulation

Answer 13

Areas of convergence parallel to wind direction

Question 14

What collects at locations of Langmuir circulation

Answer 14

Flotsam

Question 15

What happens at the centre of gyres

Answer 15

Ekman flow causes water to form mounds.I his ready state is know as geostrophic flow

Question 16

What is geostrophic flow?

Answer 16

An equilibrium of coriolis and gravity forces