Winds
What is the name of the current that runs up through Japan?
Kuroshio
The two types of ocean currents are
What are surface currents and deep currents.
Subtropical gyres are centered around which latitude
What is 30 degrees
Observation that Arctic Ocean ice moved at a
_____ degree angle to the right of the wind
What is 20-40
Warm ocean currents warm the air at the coast causes this type of climate
What is humid?
In the Southern Hemisphere, Coriolis deflection is directed to the
Left
The two methods used to measure currents are called
What are direct methods and indirect methods.
These are large, circular loops of moving water
What is a gyre
This man developed circulation model in 1905
Who is V. Walfrid Ekman.
The vertical movement of cold, nutrient-rich water to surface is called
What is upwelling.
Surface ocean circulation is driven primarily by _______ and modified by ________.
Wind; Coriolis effect and land
Global array of free-drifting profiling floats is also called
What is Argo.
The current of a gyre moves in this direction
What is circular or spiral.
The Ekman Spiral explains balance between friction and this effect
What is Coriolis
These are seasonal reversal of winds over northern Indian Ocean.
What are monsoons.
The speed of wind-driven currents decreases with increasing depth.
True or False?
True
Which currents generally follow earths wind belt pattern?
What are surface currents.
The piling up of water in middle of gyres is called
What is Subtropical Convergence
The average movement of surface waters is called
Ekman Transport
This change in climate has the characteristics of weakening high pressure in eastern Pacific, weaker trade winds, warm pool migrates eastward
What is El Nino.
The Coriolis force is strongest at the poles and weakest near the equator.
True or False?
True
Name the three factors that influence surface currents.
What are gravity, friction, and the Coriolis effect.
List the 5 subtropical gyres
What are the Columbus Gyre, Navigator Gyre, Turtle Gyre, Heyerdahl Gyre, and Majid Gyre
Ekman transport generates this type of flow in ocean basin.
What is rotational.
This climate change has the characteristics of increased pressure difference across equatorial Pacific, stronger trade winds, and stronger upwelling in eastern Pacific.
What is La Nina.