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Coastal Systems and Landscapes (A Level Geography) > Currents, Sediment Cells, Budgets > Flashcards

Currents, Sediment Cells, Budgets Flashcards

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1
Q

Ocean currents are located at both the ocean surface and in…

A

Deep water (below 300m)

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2
Q

Ocean currents are located at both the ocean…and in deep water (below 300m)

A

Surface

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3
Q

Ocean deep water is water below…m

A

300m

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4
Q

Ocean surface water is water less than…m deep

A

300

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5
Q

Surface currents refer to ocean currents located …

A

At the surface of the water

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6
Q

Deep currents refer to ocean currents located…

A

In deep water (below 300m)

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7
Q

Ocean currents located in deep water (below 300m) are referred to as…

A

Deep currents

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8
Q

Ocean currents located at the ocean surface are referred to as …

A

Surface currents

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9
Q

Ocean currents move water in what 2 directions

A

Horizontally
Vertically

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10
Q

True or false, ocean currents only move water vertically

A

False
They move water both horizontally and vertically

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11
Q

True or false, ocean currents only occur on a global scale

A

False
They also occur at a local scale

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12
Q

Ocean currents move water both horizontally and…and occur at both a…and global scale

A

Vertically
Local

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13
Q

The ocean is an interconnected system powered by the forces of what 5 things

A

Wind
Coriolis force
Tides
Sun
Water density differences

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14
Q

Deep ocean currents are…driven

A

Density

(Think DD)

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15
Q

Surface ocean currents are…driven

A

Wind

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16
Q

Which out of surface currents and deep currents are faster moving

A

Surface currents= faster moving
Deep currents= slower moving

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17
Q

The global…includes both surface and deep ocean currents that circulate the globe in a 1000 year cycle

A

Conveyor belt

18
Q

The global conveyor belt includes both surface and deep ocean currents that circulate the globe in a ….year cycle

A

1000

19
Q

The global conveyor belt includes both surface and deep ocean currents that circulate the…in a 1000 year cycle

A

Globe

20
Q

The global conveyor belt’s circulation (surface and deep ocean currents circulating the globe in a 1000 year cycle) is as a result of what 2 processes

A

Warm surface currents carry less dense water away from the equator towards the poles
Cold deep currents carry denser water away from the poles towards the equator

21
Q

1 process that leads to the global conveyor belt circulation (surface and deep ocean currents circulating the globe in a 1000 year cycle) is warm..currents carrying less dense water away from the…and towards the …

A

Surface
Equator
Poles

22
Q

1 process that leads to the global conveyor belt circulation (surface and deep ocean currents circulating the globe on a 1000 year cycle) is cold..currents carrying dense water away from the….towards the…

A

Deep
Poles
Equator

23
Q

As part of the global conveyor belt circulation…currents carry less dense water and…currents carry denser water

A

Surface
Deep

24
Q

As part of the global conveyor belt circulation, …currents carry water away from the equator towards the poles and…currents carry water away from the poles towards the equator

A

Surface
Deep

25
Q

3 key important roles the global conveyor belt (ocean’s global circulation system) has

A

Distributing heat
Regulating weather and climate
Cycling nutrients and gases around the earth

26
Q

3 key roles the global conveyor belt (ocean’s global circulation system) has are distributing heat, regulating weather and climate and…

A

Cycling nutrients and gases around the earth

27
Q

3 key roles the global conveyor belt (ocean global circulation system) has are distributing heat… and cycling nutrients and gases around the earth

A

Regulating weather and climate

28
Q

1 key role of the global conveyor belt (ocean’s global circulation system) is to cycle nutrients and…around the earth

A
29
Q

1 key role of the global conveyor belt (ocean’s global circulation system) is to cycle …and gases around the earth

A

Nutrients

30
Q

… currents are when water approaches the coastline at an angle, a flow of water is generated that runs parallel to the coastline (this flow of water is known as the longshore current)

A

Longshore

31
Q

Surf zone meaning

A

Area where waves break

32
Q

Longshore currents definition

A

When waves approach the coastline at an angle, a flow of water is generated that runs parallel to the coastline

(This generated flow of water is the longshore current)

33
Q

Does a longshore current run parallel or perpendicular to the coastline

A

Parallel

34
Q

… is the movement of cold dense water from deep in the ocean moving up towards the surface to replace the warm surface water

A

Upwelling

35
Q

Upwelling is the movement of….water from deep in the ocean moving up towards the surface to replace…

A

Cold dense
Warm less dense surface water

36
Q

…creates nutrient-rich cold oceans

A

Upwelling

37
Q

True or false, upwelling creates warm ocean currents

A

False
It creates cold ocean currents

38
Q

Upwelling creates….-rich cold ocean currents

A

Nutrient

39
Q

True or false, rip currents occur on top of the water

A

False
They’re underwater currents

40
Q

2 examples of boundaries of sediment cells (they act as natural barriers to stop further movement of sediment)

A

Headlands
Peninsulas

Coastal Systems and Landscapes (A Level Geography) (11 decks)

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