Coastal Landscapes and
change
Whole A-level topic content including case studies, definitions and in
depth explanations made for Edexcel specification
,Enquiry question 1
,2B.1a The Littoral zone
One of dynamic equilibrium due to process that interacts with it (inputs
Constructive and
destructive waves
Storms can
destroy
Human activities can i
processes such as dred
shipping, dredging offs
backshore sand/gravel for constr
occur causing
from sediments, weathering and movement on backshore, waves deposition and withing coastal defences
depositing and eroding, tidal range and offshore currents and longshore erosion hours/could
drift affect coast
Human activity
Windfarms (most
wind), fishing,
tourisms, tidal
energy (barrages)
Inputs of
sediment from
the sea and
currents from
rivers flowing off
the land
Aquaculture
Oyster beds – you grow Berms – ridge of
- the breeding, rearing, and harvesting of fish, shellfish, algae,
oysters in cages – sand, buffer for Weathering
and other organisms in all types of water environments.
aquaculture – salmon erosion
- Oyster beds (shown in image)
- Happens at the foreshore
, 2B.1b/c Coastal Landscapes Contrasting coastlines
•Cliffed coast 3. Estuarine co
- transition is abrupt •Mouths of riv
Vulnerability - rocky platforms at low tide •Extensive mud
Type of rock (geology) – igneous, - mostly vertical cliffs •Salt marshes c
sedimentary, metamorphic) •Gradually tran
Type of waves
Type of relief (hight above sea
level)
Estuarine locations
Wave amplitude/strength
Population density
Affluence (whether or not they
can afford sea walls etc…) and
cost/benefit analysis Low e
High energy coasts: 2. sandy coast
•Rocky coasts - sand duens o
Classification of coats - high tide inun
•Powerful waves for most of the year - Sections of coats can be classified - dune vegetat
•Rate of erosion exceeds the rate of into different types using a variety coast
deposition of criteria: geology, sea-level
•Erosional landforms such as cliffs, rise/fall and land-level rise/fall =
shoreline platform long–term change and erosion and
deposition which causes short-
•Such as Cornwall, dover term changes
Low energy coasts:
•Sandy
•Weaker waves sheltered from large swells
•Rate of deposition exceeds the rate of erosion
•Depositional landforms such as beaches, spit and sand dunes
•Such Camber sands
change
Whole A-level topic content including case studies, definitions and in
depth explanations made for Edexcel specification
,Enquiry question 1
,2B.1a The Littoral zone
One of dynamic equilibrium due to process that interacts with it (inputs
Constructive and
destructive waves
Storms can
destroy
Human activities can i
processes such as dred
shipping, dredging offs
backshore sand/gravel for constr
occur causing
from sediments, weathering and movement on backshore, waves deposition and withing coastal defences
depositing and eroding, tidal range and offshore currents and longshore erosion hours/could
drift affect coast
Human activity
Windfarms (most
wind), fishing,
tourisms, tidal
energy (barrages)
Inputs of
sediment from
the sea and
currents from
rivers flowing off
the land
Aquaculture
Oyster beds – you grow Berms – ridge of
- the breeding, rearing, and harvesting of fish, shellfish, algae,
oysters in cages – sand, buffer for Weathering
and other organisms in all types of water environments.
aquaculture – salmon erosion
- Oyster beds (shown in image)
- Happens at the foreshore
, 2B.1b/c Coastal Landscapes Contrasting coastlines
•Cliffed coast 3. Estuarine co
- transition is abrupt •Mouths of riv
Vulnerability - rocky platforms at low tide •Extensive mud
Type of rock (geology) – igneous, - mostly vertical cliffs •Salt marshes c
sedimentary, metamorphic) •Gradually tran
Type of waves
Type of relief (hight above sea
level)
Estuarine locations
Wave amplitude/strength
Population density
Affluence (whether or not they
can afford sea walls etc…) and
cost/benefit analysis Low e
High energy coasts: 2. sandy coast
•Rocky coasts - sand duens o
Classification of coats - high tide inun
•Powerful waves for most of the year - Sections of coats can be classified - dune vegetat
•Rate of erosion exceeds the rate of into different types using a variety coast
deposition of criteria: geology, sea-level
•Erosional landforms such as cliffs, rise/fall and land-level rise/fall =
shoreline platform long–term change and erosion and
deposition which causes short-
•Such as Cornwall, dover term changes
Low energy coasts:
•Sandy
•Weaker waves sheltered from large swells
•Rate of deposition exceeds the rate of erosion
•Depositional landforms such as beaches, spit and sand dunes
•Such Camber sands
