5.2 Surface circulation

The wind and Coriolis effect cause a spiral movement of the water column known as

• downwelling

• Ekman transport

• Coriolis effect

• greenhouse effect

Tags

NGSS.MS-ESS2-6

The Ekman transport causes water to move at what angle to the wind direction?

• 45 degrees to the wind direction

• 90 degrees to the wind direction

• the opposite direction of wind

• the same direction as wind

Tags

NGSS.MS-ESS2-6

The equatorial currents that these trade winds produce move _____________ to the equator.

Tags

NGSS.MS-ESS2-6

The wind-driven surface currents combine into huge, circular systems called?

• gyres

• upwelling

• Coriolis effect

• equatorial currents

Tags

NGSS.MS-ESS2-6

How many gyres are in the world's oceans?

Tags

NGSS.MS-ESS2-6

What giant problem is found in these gyres?

• large schools of fish

• too many sharks

• trash

• unusually cold water

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What is the fastest surface current in the world and what type is it?

• Gulfstream, warm

• Gulfstream, cold

• North Atlantic drift, cold

• Humboldt, cold

Tags

NGSS.MS-ESS2-6

Upwelling occurs all over the ocean basins.

• true

• false

Tags

NGSS.MS-ESS2-6

Movement of large volumes of cold, nutrient rich bottom water.

• downwelling

• gyre effect

• upwelling

• equatorial current shift

Upwelling occurs in a ring around which continent?

• Australia

• South America

• Antarctica

• Africa

Tags

NGSS.MS-ESS2-6