Ocean winds and currents Flashcards

1
Q

What are the two types of currents

A

Wind driven and thermohaline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the primary generating forces for currents

A

Wind
Differences in water density caused by variation in heat and salinity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the two equatorial currents in the atlantic

A

North Equatorial
South Equatorial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What current compliments the equatorial current

A

North Equatorial Countercurrent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where does the Loop Current Form

A

Yucatan peninsala in the Gulf of mexico

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How long is the loop currents variable period

A

13 months

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the most remarkable american current

A

Gulf stream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What currents augments the gulf stream

A

Antilles Current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does the gulf stream turn into

A

North atlantic current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What direction do north atlantic currents flow and what does this action create

A

clockwise
it creates the Sargasso Sea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Item of note about Pacific currents

A

Major currents follow the same general patter as those in Atlantic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What principle factor effects the indian ocean currents

A

Monsoons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How are currents measured

A

Autonomous free drifting buoys
Acoustic doppler current profilers
high frequency radar systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the strongest eddie

A

mesoscale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Two major type of ocean currents

A

Stream
Drift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which way does the southern hemisphere currents flow
Which way does the northern hemisphere currents flow

A

Counterclockwise, Clockwise

17
Q

Which current is off the coast of japan

A

Kuroshio current

18
Q

What current runs north on the southwestern shore of Africa

A

Benguela

19
Q

What current runs along the south eastern shore of Africa

A

Agulhas current
One of the swiftest

20
Q

What currents run on either side of japan

A

Tsushima west side by koria
Kuroshio east side black stream

21
Q

What 2 currents run on the west side of south america

A

Peru current
Mentor current

22
Q

What current merges with the gulf stream and turns into the north Atlantic current

A

Labrador current

23
Q

What two current primarily operate on the western and northern shores of africa

A

Guinea and canary currents

24
Q

How do you get actual current

A

from a fix to a fix