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2. Interactions between oceans and coastal places
How coastal places are shaped by their interactions with oceans
Physical influences on coastal landscapes, including waves, tides, sediment supply, lithology, vegetation, subaerial processes and wave processes (littoral drift, hydraulic action and abrasion)
The characteristics and formation of coastal landforms of erosion and deposition, including wave cut platform, cliff, stack, spit and beaches
Advancing and retreating coastlines, including the role of isostatic and eustatic processes, and the associated landforms (relict cliff, raised beach, fjord)
The role of coastal processes, wind and vegetation in sand dune development
Part 1: Physical influences on coastal landscapes
Part 1: Physical influences on coastal landscapes
Before we start - Big recommendation for this section to help with your understanding. Go through the videos from the help pages of ................
All your work in this section will be done by hand on a copy of the booklet on the right.
Coastal processes and landforms worksheets.pdfSection a) Physical influences on coastal landscapes, including waves, tides, sediment supply, lithology, vegetation, subaerial processes and wave processes (littoral drift, hydraulic action and abrasion)
Click on the logo above for revision 1 - Coastal Processes. Make sure you understand the basics (look at all pages)
S-Cool is also a fantastic site for you "cool" kids
Section b) The characteristics and formation of coastal landforms of erosion and deposition, including wave cut platform, cliff, stack, spit and beaches.
The videos from this site are excellent. You can also use the one below -
Video Resources
Video Resources
Headlands and Bays: Video resource
Caves, Arches, Stacks and Stumps Video resource
Retreating cliffs and Wave Cut platforms - Video resource
Beach formation - Video resource
Spit and Salt marsh - Video resource
Sand dune formation - Video resource
The site on the left should be gone through carefully.
It is very good at giving you visual understanding of the processess.
You should be able to draw all the landforms and how they are formed by both erosional and depositional processes at work in coastal margins...
The role of coastal processes, wind and vegetation in sand dune development
Formation of dunes - Time for Geography video:
Things that are need for Dunes to form:
Wind - this is essential
Supply of sand - also essential. Can be brought by littoral currents.
Sand is moved by Saltation
Meets an obstacle e.g. peice of driftwood. Starts to accumulate.
Formation of embryo dunes - stabilised due to specialised plants adapted to dry and salt e.g. marram grass.
As these decay nutrient levels increase meaning other types of plants can survive - a succession occurs leading to more mature dunes.
Note - these plants are unstable and people can damage these leading to dune blowouts.
Advancing and retreating coastlines, including the role of isostatic and eustatic processes, and the associated landforms (relict cliff, raised beach, fjord)
Resource 1 - someone else's presentation
Tasks: The main notes you need to take are in this short worksheet. Make sure this is done.
MUST READ - the IB book is a bit boring and rubbish on this section - I advise the following chapter. Nicer pictures and clearer. (click image) - Note for this section read and make notes up to page 120 - I cannot stress how important this is.
Sea Level Change - Map link with questions
Coastal Landforms on Maps
Coastal Landforms on Maps
Review - The presentation on the right covers much of what we have done and starts to look at some of the management issues. The video below is an old classic. Great review.
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