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Geography > Coasts > Flashcards

Coasts Flashcards

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1
Q

Formation of Rias

A

Rising sea levels flood narrow, winding inlets and river valleys. Deeper at mouth of inlet, with water depth decreasing further inland.

Eg New York Harbour

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2
Q

Formation of fjords

A

Rising sea levels flood glacial valleys to create natural inlets and harbours. Deeper in the middle section than at the mouth, with the shallower section identifying where the glacier left the valley.

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3
Q

Formation of Dalmatian Coasts

A

Valleys running parallel to the coast become flooded as a result of sea level change, leaving a series of narrow, long and rugged islands

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4
Q

How are submergent landforms formed and give examples of landforms

A

Eustatic rise or isostatic fall
Examples: Rias, fjords, Dalmatian Coast

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5
Q

How are emergent landforms formed and give examples of landforms

A

Emergent landforms were produced towards the end of an ice age when isostatic rebound occurred faster than the eustatic rise in sea level.

Examples: raised beaches and relic cliffs

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6
Q

Sources of energy in coastal environments

A

Wind (fetch effects wave magnitude and energy; prevailing wind direction; agent of erosion)
Waves (including wave refraction)
Tidal/Storm Surges
Currents
Tides

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7
Q

Where is Odisha?

A

A state on the east coast of India, bordering the Bay of Bengal

11th largest state in India by population

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8
Q

How long is Odisha’s coastline?

A

480km

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9
Q

What management strategy did Odisha adopt?

A

ICZM

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10
Q

Role of Odisha in Bay of Bengal

A

Deposition, several major deltas
Significant sediment store, providing a source and sink of sediment for this part of the Bay of Bengal

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11
Q

Odisha: length of coastline with gabions

A

505 metres

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12
Q

How many villages do the Odisha gabions protect

A

56

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13
Q

Area with mangroves Odisha

A

25 acres

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14
Q

How stable is Odisha’s coastline?

A

14.4%

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15
Q

When did Hallsands collapse?

A

1917

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16
Q

2018, the government provided how much funding for repairs of Torcross Sea Wall?

A

£2.5 million

17
Q

How many bird species?

A

150 bird species

Source of tourism

18
Q

Olive Ridley Turtle population increased by?

A

90,000 to 1.1 million by 2018

19
Q

How high are the Maldives above sea level?

A

Average elevation of 1.5 metres above sea level
World’s lowest country

Geography (14 decks)

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