Mapping Skills 7.5 Coastal Management on the Gold Coast

7.5 Coastal Management on the Gold Coast

Refer to the topographic map and aerial photograph on pages 164 and 165 to answer the following questions.

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* Required

Name * surname first

Class *

• A2
• B4
• I don't know.

7 Express the scale of the map as a statement: One centimetre on the map represents kilometres on the ground.

8 What is the contour interval of the map?

9 Calculate the following:

a the width of the mouth of the Tweed River

b the length of the breakwater on the southern side of the Tweed River

c the length of the jetty extending into the ocean from the sand pumping station in AR 5483

d the distance along the beach from the lookout at Greenmount Hill to the Rainbow Bay surf club

e the time it would take you to walk along the beach from the Rainbow Bay surf club to the Coolangatta Beach surf club if you were walking at a speed of 5 kilometres per hour.

10 Which is higher, the lighthouse at Point Danger or the lookout on Kirra Hill?

11 What is the aspect of the slope where the electricity substation is located in AR 5283?

12 What is the approximate height of the small electricity substation in AR 5283?

13 Name the human features located at the following grid references:

a 532824

b 536823

c 541844

d 513834

e 528819

f 532828

14 Name the natural features located at the following grid references:

a 524818

b 537822

c 514844

d 521833

e 544817

f 544839

15 Refer to 7.24 and the topographic map. Give the grid reference of the lookout that the photographer was standing at when the photograph was taken.

16 What is the density of buildings in AR 5483?

17 Which area has the greatest density of buildings per square kilometre—AR 5281 or 5282? Give a reason for your answer. 5282 because there is much less water and more yellow patches which indicates residential/built up areas.

18 Estimate the bearing of the following features from the water tank on the top of Mount Murraba:

a the groyne at Kirra Point

b the mouth of the Tweed River

c Boyds Island

d Snapper Rocks *