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Physical Geography: Coasts > Coasts as Natural Systems > Flashcards

Coasts as Natural Systems Flashcards

1
Q

What are the inputs of the coastal system?

A

Precipitation
Wind
Fluvial Sediment

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2
Q

What are the outputs of the coastal system?

A

Ocean Currents
Rip Tides
Wave Cut Platforms
Bays

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3
Q

What are the stores in the coastal system?

A

Sand Dunes
Beaches
Spits
Bars

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4
Q

What are the transfers in the coastal system?

A

Erosion
Longshore Drift
Mass Movement
Evaporation

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5
Q

What are the feedbacks in the coastal system?

A

Mass movement decreasing cliff foot erosion

Coastal management increasing erosion elsewhere

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6
Q

What are the 7 earth cycles?

A 
Energy
Carbon
Rock
Ocean
Atmospheric
Water
Nitrogen
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7
Q

What type of system is the coastal system and why?

A

It is an Open system because it interacts with the other earth systems

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8
Q

What cycles does the coastal system interact with?

A

Ocean
Atmospheric
Rock
Water

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9
Q

What do constructive waves form?

A

Beaches, spits, bars, tombolos

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10
Q

What do destructive waves form?

A

Wave cut platforms, caves, arches, stacks, stumps

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11
Q

What is dynamic equilibrium?

A

Where a system has constant inputs and outputs of energy and matter that balance

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12
Q

What factors affect dynamic equilibrium in coastal areas?

A

Supply of sand
Wave energy
Sea level change
Location of shoreline

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13
Q

What is the difference between landforms and landscapes at the coast?

A

Landforms are individual features (created by coastal processes)
Landscapes are entire areas including sea coastline and land immediately behind the coast, they also include landforms

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14
Q

What are the sources of sediment in the coastal system?

A

Rivers
Cliff erosion
Offshore sediment
Wind/ Aeolian

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15
Q

What is an input in this context?

A

A source of energy, sediment or water into the coastal system from outside of it

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16
Q

What is an output in this context?

A

Landforms, material or energy produced as a result of the processes within a system

17
Q

What is a flow/transfer?

A

The process of movement within the system

18
Q

What is a store?

A

A part of the system not in motion but containing significant components, e.g. sediment

19
Q

What are feed-backs?

A

Events that lead to a growth in the system (positive) or that lead to a decline in the system (negative)

20
Q

What is a system?

A

A set of inputs, processes and outputs which are interconnected

21
Q

What is the difference between a landform and a landscape?

A

A landform is a specific feature, whereas a landscape is a whole view encompassing multiple landforms

22
Q

How do related landforms combine to form characteristic landscapes?

A

When landforms, such as headlands and bays, are viewed as part of a single landscape, a pattern of landform locations emerges to create a distinct landscape, such as a discordant coastline

Physical Geography: Coasts (6 decks)

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