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Study sets matching "geography terms landforms coastal erosion"

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Study sets matching "geography terms landforms coastal erosion"

7 terms
Geography - coastal landforms - erosion
Cliff formation
Headland formation
Cave formation
Blow hole
Shoreline hydraulic action, corrosion, corrasion and pounding…
Eroded hard and soft rocks. Hard rocks jut out, soft rocks fo…
Headlands that jut out get stronger waves. Any cracks can be…
Pressure of air compressed into caves by waves weakens the ro…
Cliff formation
Shoreline hydraulic action, corrosion, corrasion and pounding…
Headland formation
Eroded hard and soft rocks. Hard rocks jut out, soft rocks fo…
Geography - Coastal landforms caused by erosion
Wave cut notch.
Collapses
Cliff retreating
Wave cut platform
Waves cause most erosion at the foot (bottom) of a cliff so w…
When the rock above the wave cut not becomes unstable what ha…
The collapsed material is washed away and a new wave cut notc…
What is the name for the platform left behind after the cliff…
Wave cut notch.
Waves cause most erosion at the foot (bottom) of a cliff so w…
Collapses
When the rock above the wave cut not becomes unstable what ha…
9 terms
GCSE Geography: Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
13 terms
Geography- coastal zone- coastal landforms by erosion
Coastal landforms
Headlands and bays
Less resistant rock
Resistant rock
Caused by waves over long periods of time
Form when there are altering bands of resistant and less ress…
Eg: clay eroded quickly and forms a bay, bays have a gentle s…
Eg: chalk is eroded more slowly, is left jutting out forming…
Coastal landforms
Caused by waves over long periods of time
Headlands and bays
Form when there are altering bands of resistant and less ress…
7 terms
Coastal landforms- erosion
Headland formation
Cave formation
Blow hole
Arch
Eroded hard and soft rocks. Hard rocks jut out, soft rocks fo…
Headlands that jut out get stronger waves. Any cracks can be…
Pressure of air compressed into caves by waves weakens the ro…
2 caves on either side of a headland meet to form an arch .e.…
Headland formation
Eroded hard and soft rocks. Hard rocks jut out, soft rocks fo…
Cave formation
Headlands that jut out get stronger waves. Any cracks can be…
11 terms
Geography: Coasts - Coastal Landforms Formed by Erosion
Cliff Erosion
Wave Cut Platform
Rate Of Retreat - Geology
Rate Of Retreation - Vegetation
- Most erosion at foot of cliff... - Forms wave cut notch, makin…
Platform thats left behind as the cliff retreats
- Soft rock/Loose material = fast retreation... - Hard rock = sl…
Cliffs covered in vegetation are more stable, retreat slower,…
Cliff Erosion
- Most erosion at foot of cliff... - Forms wave cut notch, makin…
Wave Cut Platform
Platform thats left behind as the cliff retreats
15 terms
Coastal Landforms and Erosion- Geography- Theme 2
Swash
Backwash
Constructive waves
Destructive waves
Waves towards the cliff. Always at an angle
The wave going back to the sea. Always 90 degree angles.
The swash has more energy than the backwash, so more sand is…
The swash has less energy than the backwash, sand is pulled i…
Swash
Waves towards the cliff. Always at an angle
Backwash
The wave going back to the sea. Always 90 degree angles.
20 terms
Coastal Landforms & General Coastal Geography Terms
Sand Bar
Platform
Cave
Cliff
A submerged or partly exposed ridge of sand or sediment built…
A flat, narrow area found as the base of a sea cliff, or alon…
Formed by repeating breaking of waves on a cliff, when weaker…
A coast where wave action and gradual erosion forms a ____
Sand Bar
A submerged or partly exposed ridge of sand or sediment built…
Platform
A flat, narrow area found as the base of a sea cliff, or alon…
9 terms
GCSE Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
9 terms
GCSE Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
12 terms
Geography- coastal erosion- key terms
Swash
Backwash
Abrasion
Fetch
When a wave has broken and the water is moving up the beach
Water moving back down to the sea (caused by gravity)
Bits of rock and sand in waves grind down cliff surfaces like…
How far the wave has travelled
Swash
When a wave has broken and the water is moving up the beach
Backwash
Water moving back down to the sea (caused by gravity)
11 terms
Landforms of coastal erosion
Headlands and bays description
Headlands and bays formation
Bay
Headland
Alternating land petruding out to sea and land retreating awa…
1) form when there are alternating bands of hard and soft roc…
A broad inlet of sea, where the land curves inwards
A narrow piece of land that projects from a coastline into th…
Headlands and bays description
Alternating land petruding out to sea and land retreating awa…
Headlands and bays formation
1) form when there are alternating bands of hard and soft roc…
9 terms
GCSE Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
9 terms
GCSE Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
9 terms
Coastal Landforms Erosion
what is a cliffs (e)
how are cliffs formed?
what are cliffs made of?
cliff recession
a step rock and is usually in the the edge of the sea
cliffs are usually formed by water movement, weathering, eros…
Cliffs are usually formed by rock that is resistant to erosio…
the erosion of the cliff face by water, wind or land slide. r…
what is a cliffs (e)
a step rock and is usually in the the edge of the sea
how are cliffs formed?
cliffs are usually formed by water movement, weathering, eros…
12 terms
Geography Coastal Erosion Processes
solution
corrasion
abrasion
attrition
the dissolving of soluble chemicals in rocks eg limestone
fragments of rock are picked up and hurled by the sea at a cl…
This is the "sandpapering" effect of pebbles grinding over a…
Rock fragments carried by the sea knock against one another c…
solution
the dissolving of soluble chemicals in rocks eg limestone
corrasion
fragments of rock are picked up and hurled by the sea at a cl…
13 terms
Processes and landforms of coastal erosion
Abrasion
Attrition
Corrosion
Hydraulic action
When rocks carried by the waves wear away the coastline as th…
When rocks and pebbles carried by waves smash into each other…
When chemicals in sea water dissolve minerals in the rocks.
When the power of waves forces air into cracks, compresses it…
Abrasion
When rocks carried by the waves wear away the coastline as th…
Attrition
When rocks and pebbles carried by waves smash into each other…
22 terms
Coastal landforms from erosion
Cliff retreats are a result of repeated
On a cliff the most erosion takes plac…
The part of the cliff above sea level…
When a cliff collapses the material is
erosion, weathering and mass movement
bottom which forms a wave cut notch and is very unstable
weathering which makes it unstable and the whole cliff can co…
washed away and a new wave cut notch forms
Cliff retreats are a result of repeated
erosion, weathering and mass movement
On a cliff the most erosion takes plac…
bottom which forms a wave cut notch and is very unstable
18 terms
Geography - Coastal Weathering & Erosion Terms
Abrasion/Corrasion
Weathering
Frost shattering
Hydraulic action
Waves carrying pebbles break against land and the pebbles bre…
The stationary breaking down of rock as a result of the weath…
Water enters cracks in the rock and freezes overnight. the ic…
Waves break on the cliff and air becomes trapped in cracks an…
Abrasion/Corrasion
Waves carrying pebbles break against land and the pebbles bre…
Weathering
The stationary breaking down of rock as a result of the weath…
29 terms
Coastal Landforms caused by Erosion
Mass movement
Mass movement: example
Mass movement - cause
Mass movement - more likely
Rocks + loose material shifts down a slope as 1
cliff
force of gravity on slope = greater than force supporting it
lubricant: material full of water
Mass movement
Rocks + loose material shifts down a slope as 1
Mass movement: example
cliff
11 terms
Landforms of coastal erosion
What is a landform?
What is a bay?
What is a headland?
How are headlands and bays formed?
- A physical feature that has been shaped by marine erosion/w…
- An area of less resistant rock (eg. clay) which are found o…
- An area of more resistant rock (eg. chalk) which protrude o…
- Destructive waves hit the cliff, hitting soft rock (clay) a…
What is a landform?
- A physical feature that has been shaped by marine erosion/w…
What is a bay?
- An area of less resistant rock (eg. clay) which are found o…
9 terms
GCSE Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
14 terms
Coastal landforms from erosion
Foot
Wave-cut notch
Mechanical and chemical
Retreating
Waves cause most erosion at the ____ of a cliff
A ______________ is formed as a result of erosion at the foot…
The part of the cliff above sea level is also affected by ___…
Repeated collapses results in the cliff __________
Foot
Waves cause most erosion at the ____ of a cliff
Wave-cut notch
A ______________ is formed as a result of erosion at the foot…
9 terms
GCSE Coastal Erosion Landforms
Stack
Stump
Arch
Cave
A vertical column of rock next to a cliff
A low lying notch of land that used to be linked to the coast…
A section of coastline where a stack is connected to the coas…
A hollow in a cliff face with a back wall
Stack
A vertical column of rock next to a cliff
Stump
A low lying notch of land that used to be linked to the coast…
6 terms
Coastal erosion and landforms
What is depostion ?
What is erosion ?
What is abrasion ?
What is attrition ?
the action of depositing something.
Erosion is when land is worn down by
Bits of rock and sand in waves grind down cliff surfaces like…
Waves smash rocks and pebbles on the shore into each other, a…
What is depostion ?
the action of depositing something.
What is erosion ?
Erosion is when land is worn down by
32 terms
Geography Coasts Part 1- Coastal weathering and erosion, coastal landforms from erosion.
What are the three processes that take…
How are waves created?
What is the size and energy of the wav…
What two things can waves be?
Erosion, deposition and transportation
Wind blowing over the sea creates a swell within the water. T…
How long the wind has been blowing, the strength of the wind,…
Constructive or destructive
What are the three processes that take…
Erosion, deposition and transportation
How are waves created?
Wind blowing over the sea creates a swell within the water. T…
13 terms
Coastal Landforms, Erosion, Transportation
Spit
Abrasion
Suspension
Attrition
Longshore drift transports material along the coastline. When…
Rocks crash into the cliff and overtime causes it to erode ch…
Small particles are carried in the water
Rocks and stones smash into each other making them break apar…
Spit
Longshore drift transports material along the coastline. When…
Abrasion
Rocks crash into the cliff and overtime causes it to erode ch…
29 terms
Coastal Landforms resulting from Erosion
Headland
Bay
Usual Formation of Headland and Bays
Headlands + Bays: Concordant Formation
A Cluster of land Projecting out into the Sea from a Cliff
Broad Inlet in the Coast where land Curves Inwards
Along Disconcordant Coastlines of Harder and Softer rock runn…
Faults in Harder rock resulting from Extreme Conditions ie. I…
Headland
A Cluster of land Projecting out into the Sea from a Cliff
Bay
Broad Inlet in the Coast where land Curves Inwards
26 terms
UNIT 3 - Set 5 Coastal Erosion and Landforms
Dissolution
Abrasion
Attrition
Hydraulic Action
The process in which some materials are dissolved by sea water
Sediment, such as sand, carried in the turbulent water can we…
As rock particles strike together, they fracture and are cont…
As wind-generated waves hit the shoreline, water is driven in…
Dissolution
The process in which some materials are dissolved by sea water
Abrasion
Sediment, such as sand, carried in the turbulent water can we…
15 terms
Landforms of coastal erosion (hard coastlines)
What is a landform?
What are bays?
What are headlands?
How are headlands and bays formed?
A physical feature that has been shaped by marine erosion/wea…
Areas of less resistant rock (clay) which are found on either…
Areas of more resistant rock (chalk) which protrude out into…
-Less resistant rock (clay) is eroded away by hydraulic actio…
What is a landform?
A physical feature that has been shaped by marine erosion/wea…
What are bays?
Areas of less resistant rock (clay) which are found on either…
Geography Coastal Weathering and Erosion
Mechanical weathering
Freeze thaw weathering
0 Degrees C
Chemical composition
What is the term for the break down of rock without changing…
What is the 1 main type of mechanical weathering that affects…
Freeze thaw weathering happens when the temperature is above…
Chemical weathering is the breakdown of rock by changing what?
Mechanical weathering
What is the term for the break down of rock without changing…
Freeze thaw weathering
What is the 1 main type of mechanical weathering that affects…
30 terms
Geography - Coastal Erosion
When are waves created
Destructive waves
Fetch
Break
When wind blows over the surface of the sea
Formed by strong winds and erode
Distance wind has travelled over sea before reaching coast.
Waves break when they reach shallow water
When are waves created
When wind blows over the surface of the sea
Destructive waves
Formed by strong winds and erode
20 terms
Landforms associated with coastal erosion
Impermeable
Permeable
Geology
Bedding plane
Rock which does not allow water to pass through it e.g. clay.
Rocks with spaces and gaps which allows water to pass through…
The different types of rocks that make up an area.
The surface between two layers (or strata) in sedimentary rock
Impermeable
Rock which does not allow water to pass through it e.g. clay.
Permeable
Rocks with spaces and gaps which allows water to pass through…
10 terms
Geography - coastal landforms - deposition
Beach
Beach fragment size
Storm beaches
Spit
Formed from deposition of material eroded by the sea. Can be…
Depends on local rock type (hard, soft) and wave energies
Ridges of boulders and the landward size caused by heavy seas…
Sand or pebble beach sticking out into the sea. Formed by lon…
Beach
Formed from deposition of material eroded by the sea. Can be…
Beach fragment size
Depends on local rock type (hard, soft) and wave energies
16 terms
Geography: Coastal Landforms and Processes
Wave-cut platform
Cave
Arch
Stack
A wide, gently sloping rocky surface at the foot of a cliff.…
A hollowed- out feature at the base of an eroding cliff. Caus…
A headland that has been partly broken through by the sea to…
An isolated pillar of rock sticking out of the sea. It is for…
Wave-cut platform
A wide, gently sloping rocky surface at the foot of a cliff.…
Cave
A hollowed- out feature at the base of an eroding cliff. Caus…
23 terms
Edexcel IGCSE Geography - Coastal landforms
Arch
Bar
Biodiversity
Cave
a coastal feature formed by the meeting of two caves cut into…
a linear depositional beach-like landform, formed when a spit…
the number and variety of species in an ecosystem
a hollow eroded by the sea into the base of a cliff
Arch
a coastal feature formed by the meeting of two caves cut into…
Bar
a linear depositional beach-like landform, formed when a spit…
28 terms
UNIT 3 - Set 5 Coastal Erosion and Landforms
Dissolution
Abrasion
Attrition
Hydraulic Action
The process in which some materials are dissolved by sea water
Sediment, such as sand, carried in the turbulent water can we…
As rock particles strike together, they fracture and are cont…
As wind-generated waves hit the shoreline, water is driven in…
Dissolution
The process in which some materials are dissolved by sea water
Abrasion
Sediment, such as sand, carried in the turbulent water can we…
11 terms
Geography Coastal Erosion
Resistant rock
Less resistant rock
Hard rock
Hydraulic Action
Takes longer to erode therefore lasts longer. If next to less…
Take a shorter time to erode and then creates a bay
Doesn't erode as quick, but still erodes
The force of water hitting the cliff and squeezing air into t…
Resistant rock
Takes longer to erode therefore lasts longer. If next to less…
Less resistant rock
Take a shorter time to erode and then creates a bay
10 terms
Geography test 1 autumn term coastal erosion
Describe longshore drift
How is a wave cut notch formed?
What waves break against headlands to…
What type of erosion forms coves?
Waves come in at an angle caused by prevailing wind direction…
Through hydraulic action and abrasion, waves undercut the cliff
Destructive waves
Differential erosion
Describe longshore drift
Waves come in at an angle caused by prevailing wind direction…
How is a wave cut notch formed?
Through hydraulic action and abrasion, waves undercut the cliff
37 terms
Geography - Coastal Erosion
When are waves created
Destructive waves
Constructive waves
Fetch
When wind blows over the surface of the sea
Formed by strong winds and erode
Gentle waves deposit material
Distance wind has travelled over sea before reaching coast.
When are waves created
When wind blows over the surface of the sea
Destructive waves
Formed by strong winds and erode
11 terms
Geography- Coastal Management and Erosion
seawall
groynes
rock armour (rip rap)
beach replenishment
completely stops erosion, blocks flooding
stops longshore drift
blocks erosion, doesn't block waves
makes beach bigger, barrier for waves
seawall
completely stops erosion, blocks flooding
groynes
stops longshore drift
34 terms
Geography Erosion & Coastal
How are waves made?
Size And Energy Of A Wave (Influence)?
What is wind's strength?
Fetch
Wind blowing over the surface of the sea
Wind's Strength
How long it's been blowing and the fetch
How far the wave's travelled
How are waves made?
Wind blowing over the surface of the sea
Size And Energy Of A Wave (Influence)?
Wind's Strength
24 terms
IGCSE Geography: Coastal Erosion
Cliffs
Coastal Arches
Stacks
Four processes of erosion
Vertical or very steeply sloping rocks
Holes right through headlands
Vertical pillars of rock off headlands
AASH (Abrasion, Attrition, Solution, Hydraulic power)
Cliffs
Vertical or very steeply sloping rocks
Coastal Arches
Holes right through headlands
8 terms
Geography coastal erosion
Attrition
Abrasion/Corrasion
Headlands and bays
Fault
When the rocks bump into each other and are smoothed and brok…
Particles are thrown at the rock and erode it like a sandpape…
Chalk, clay and limestone. Chalk is a hard rock so doesn't er…
Waves attack a line of weakness or a fault in the headland.
Attrition
When the rocks bump into each other and are smoothed and brok…
Abrasion/Corrasion
Particles are thrown at the rock and erode it like a sandpape…
26 terms
Geography coastal erosion
Freeze thaw
Biological weathering
Chemical weathering
Salt weathering
When water gets into a crack and the water freezes to the pie…
Plant roots can get into tiny cracks in rocks, when the roots…
Acid rain chemically dissolves rocks
When sea water soaks a rock, evaporation occurs, leaving salt…
Freeze thaw
When water gets into a crack and the water freezes to the pie…
Biological weathering
Plant roots can get into tiny cracks in rocks, when the roots…
8 terms
Geography coastal erosion and weathering
Hydraulic action
Abrasion
Wave pounding
Attrition
Impact of wave hits rock and traps air which builds the press…
The breaking waves throw rocks and sand against the cliff fac…
The sheer force of the wave or continuous waves causing bits…
Rocks and pebbles are reduced in size as they collide with ea…
Hydraulic action
Impact of wave hits rock and traps air which builds the press…
Abrasion
The breaking waves throw rocks and sand against the cliff fac…
13 terms
Describe: Erosion Coastal & Depositional Landforms
Headlands
Bays
Cliffs
Wave cut platforms/notches
... are formed where the hard is hard (not easily eroded), an…
... are formed where the rock is soft (easily eroded).
... are formed as erosion landforms due to the processes of e…
... form when destructive waves hit against the cliff face, c…
Headlands
... are formed where the hard is hard (not easily eroded), an…
Bays
... are formed where the rock is soft (easily eroded).
45 terms
Geography- Coastal Landforms
How is a cliff formed?
How is a wave-cut platform formed?
How is a headland formed?
How is a cave formed?
A cliff is formed when their is wave action against a rock.
Wave-cut platforms are formed when their is wave action again…
Headlands are formed when their are constant destructive wave…
Caves are formed when waves bend around the headland to get t…
How is a cliff formed?
A cliff is formed when their is wave action against a rock.
How is a wave-cut platform formed?
Wave-cut platforms are formed when their is wave action again…
11 terms
Geography-coastal landforms
Rip rap hard engineering
Offshore reefs he
Beach replenishment se
Managed retreat se
Adv Dissipates wave energy, effective over many years dis una…
Adv waves break further off shore which reduces there erosive…
AdvLooks natural, natural defence in dissipating wave energy,…
Ad New habitats for plants and birds, cheap dis upsetting for…
Rip rap hard engineering
Adv Dissipates wave energy, effective over many years dis una…
Offshore reefs he
Adv waves break further off shore which reduces there erosive…
8 terms
Geography - coastal erosion
How it the coastal landscape shaped?
What is coastal erosion?
What do destructive waves do?
How do destructive waves erode the coa…
By the sea
Is the wearing away and breaking up of rock along the coast.
The erode the coastline
Through hydraulic action, abrasion, attrition and solution
How it the coastal landscape shaped?
By the sea
What is coastal erosion?
Is the wearing away and breaking up of rock along the coast.
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