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OCR A Level Geography - Coasts Revision Flashcards | StudBud
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OCR A Level Geography - Coasts Revision
OCR A Level Geography - Coasts Revision
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1
The wave-cute platforms at Robin Hoods Bay slope by 1° but how wide are they?
300m
200m
500m
400m
2
Which produces 6-8 waves per minute?
Destructive wave
Constructive wave
3
Ocean currents have a significant impact on coastal landscape processes
True
False
4
What is your case study for a high energy coastline?
Sandbanks
Saltburn to Flamborough Head
Nile Delta
Mangawhai-Pakiri
5
Which type of mass movement occurs in areas of torrential rain where ground has little vegetation cover?
Landslide
Mudflow
Slumping
Sliding
6
Flocculation typically occurs at wave-cut platforms
True
False
7
What type of coastal system feature are beaches?
Depositional (store)
Output
Process (flow)
Input
8
Which is NOT a main physical factor affecting coastal systems?
Wind
Tides
Weathering
Ocean Currents
9
Which is not a common type of delta?
bird's foot
cuspate
acute
arcuate
10
Which will least affect raised beaches after their emergence?
Erosion
Biological weathering
Chemical weathering
Mass movement
11
Fjords are submerged glacial valleys. How deep is the water between the steep, cliff-like valley sides?
around 100m
around 500m
over 1,000m
over 5,000m
12
Rias are submerged river valleys. Which course(s) of the river are drowned?
Upper course only
Lower course only
Middle and upper courses
Middle and lower courses
13
At a cliff, what forms after destructive waves and undercutting occurs between high and low tide levels?
Wave-cut notch
Cliff collapse
Weak strata
Shore platform
14
What type of coastal system feature is onshore sediment?
Depositional (store)
Process (flow)
Output
Input
15
Which is not an example of hard engineering?
revetments
groynes
gabions
offshore dredging
16
How will shingle beaches at Chesil be modified if sea levels rise of 0.6m in next 100 years?
water depth increase
breach of the tombolo with more storm events
tidal changes will reveal mudflats
glacial ice will thin and the sea will lose erosional power
17
What type of coastal system feature is longshore drift?
Depositional (store)
Process (flow)
Output
Input
18
How high are Flamborough’s chalk cliffs?
10-20m
20-30m
40-50m
30-40m
19
If sea levels rise by 0.6m in next 100 years, how will rias and fjords be modified?
unconsolidated material will move
tombolo will be breached
shingle beaches will form
water depth will increase
20
Which was closer to the end of the Pleistocene when sea levels began to rise?
50,000 ypb
75,000 ypb
100,000 ypb
25,000 ypb
21
Sediment eroding from a beach during a storm is an example of positive feedback
True
False
22
At the start of the Pleistocene (100,000 ybp) much water was locked as ice. How much did sea levels fall by?
75m
150m
95m
85m
23
Which type of mass movement involves saturated material suddenly moving so whole cliff sections move?
Sliding
Slumping
Mudflow
Landslide
24
Where can several blowholes and over 50 geos be found?
Selwick’s Bay
Robin Hood’s Bay
Green Stacks Pinnacle
Filey Bay
25
Which is a tolerant plant that would be found in a salt marsh?
Sandwort
Spartina
Sophora
Saponaria
26
Which physical factor is related to the gravitational pull of the moon?
Ocean Currents
Tides
Wind
Geology
27
What is your case study for unintentional activity?
Saltburn to Flamborough Head
Sandbanks
Mangawhai-Pakiri
Nile Delta
28
What is your case study for a low energy coastline?
Saltburn to Flamborough Head
Sandbanks
Mangawhai-Pakiri
Nile Delta
29
Which is an example of a ria?
Chesil Beach, Dorset
Salcombe, Devon
Milford Sound, New Zealand
Isle of Portland near Weymouth in Dorset
30
Sediment budget is the relationship between erosion and what other process?
Swash
Accretion
Feedback
Wave energy
31
Waves break when shallow water is reached so the base is slowed by friction and water spills forward
False
True
32
What type of coastal system feature is traction?
Depositional (store)
Input
Process (flow)
Output
33
Which is the collective name for all material produced by weathering?
Littoral
Regolith
Flocculation
Scree
34
What is your case study for intentional economic activity?
Saltburn to Flamborough Head
Mangawhai-Pakiri
Sandbanks
Nile Delta
35
How much lower were temperatures at the start of the Pleistocene (100,000 ybp) compared to today?
3°C
9°C
7°C
5°C
36
Which describes the chemical and physical composition of rocks?
Structure
Regolith
Geology
Lithology
37
Which are NOT found at the Nile Delta?
salt marshes and sand dunes
lagoons and bars
alluvial and clay deposits
spits and salt marshes
38
Which is associated to destructive waves?
Beaches
Shingle ridge
Berms
Longer wavelengths
39
Robin Hoods Bay and Flamborough Head are examples of concordant coastlines
False
True
40
Areas devoid of the vegetation are called saltpans
True
False
41
Which does the rate of mass movement NOT rely on?
Cohesion of regolith
Amount of water in the material
Slope steepness
Lithology
42
Which landforms were most affected by the start of the Pleistocene?
Raised beaches
Shingle beaches
Rias
Fjords
43
Freeze-thaw occurs because ice occupies 9% more volume than water so exerts pressure within the joint
True
False
44
Rain grabbing CO
2
in the air to create carbonic acid and react with calcium carbonate in rocks is called...?
Carbonation
Physical weathering
Hydrolysis
Oxidation
45
Which is described as the collection of loose rock at the base of a slope?
Regolith
Littoral
Flocculation
Scree
46
Shore platforms slope _______ at angles between 0° and 3°
Seaward
Landward
47
How are delta's formed?
rivers & tidal currents deposit sediment faster than is removed
when bars are breached
rivers & tidal currents deposit sediment slower than is removed
when levees are breached
48
Which are ocean currents least likely to impact?
Erosion
Weathering
Mass movement
Air temperature
49
If temperatures rise significantly, which would have more impact on the modification of raised beaches?
Mass movement
Erosion
Chemical weathering
Biological weathering
50
South-westerly winds moved Chesil Beach sediment 50km until attaching to Isle of Portland.
False
True
51
At the start of the Pleistocene (100,000 ybp) much water was locked as ice. What impact did this have?
Sandy and pebble areas were exposed
glacial ice thinned
sediment was pushed landward
river valleys submerged
52
Which is an example of a fjord?
Salcombe, Devon
Chesil Beach, Dorset
Milford Sound, New Zealand
Isle of Portland near Weymouth in Dorset
53
What type of coastal system feature is wind energy?
Process (flow)
Input
Output
Depositional (store)
54
Ravenscar and Ness Point headlands can be found north and south of where?
Selwick’s Bay
Robin Hood’s Bay
Green Stacks Pinnacle
Filey Bay
55
How much did sea levels rise by at the end of the Pleistocene (Flandrian Transgression)?
60m
20m
90m
100m