Worksheet 2.2 Coastal erosion
On pages 54 and 55 you read about the collapse of one of the stacks that make up the formation known as
the Twelve Apostles. This shows one of the ways in which coasts are changing. In this worksheet you
will learn more about changes in coastal environments by using a topographic map of the Warrnambool
region of western Victoria.
1
How is the height of the land shown on this map (see page 26)?
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2
Look at Source 2.66 on page 35 in your textbook. Find this feature on the topographic map. Use the scale to
estimate the size of the lake (see page 23).
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Oxford Big Ideas Geography Level 5 ISBN 978 0 19 556570 6 © Oxford University Press Australia
3
This region of Victoria is also known as the ‘Shipwreck Coast’. Why do you think this is the case?
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4
What physical features can you identify on the map that might help to explain why there have been so many
shipwrecks in this area?
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5
Use the symbols on the map and the legend to make a list of the ways in which humans use this coast.
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6
There is a large area shown as being ‘subject to inundation’ on the map. Find this area and estimate its size
in square kilometers. Find out what inundation means. How might this affect the ways in which people use
this area for farming and other activities?
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Oxford Big Ideas Geography Level 5 ISBN 978 0 19 556570 6 © Oxford University Press Australia