Tropical Cyclones And Flooding Rains

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Droughts and Flooding Rains
Assessed Research and Data analysis – Tropical Cyclones, Floods and Droughts
DUE DATE: MONDAY 12th MAY
PART A. Cyclones
Question 1.
Complete the following table using data from www.bom.gov.au.
T.C. name Rainfall in a population centre (mm) Wind strength (km/h) Storm surge (metres) Category (1-5)
1. Cyclone Yasi 471 285 5 5
2. Cyclone Tracy 250 240 4 5

Question 2.
For each cyclone:
- What damage was caused?
1. The category 5 Cyclone Yasi caused an extensive amount of damage to the North Queensland coast. Its extravagant power destroyed almost 150 homes and left 650 uninhabitable. Another 2,275 homes developed moderate damage from the TC.
2. The category 5 Cyclone Tracy caused an extremely large amount of damage to Darwin City. It had a confirmed death toll of 49 and with a further 16 missing at sea. At least 90% of homes were damage or completely demolished. An estimate of 45 vessels were damaged or wrecked in harbour. Vegetation around Darwin was minimally affected. The total damage was a total cost of $800 million.

- What were the human preparations?
• Check with your local council or your building control authority to see if your home has been built to cyclone standards.
• Check that the walls, roof and eaves of your home are secure.
• Trim treetops and branches well clear of your home (get council permission).
• Preferably fit shutters, or at least metal screens, to all glass areas.
• Clear your property of loose material that could blow about and possibly cause injury or damage during extreme winds.
• In case of a storm surge/tide warning, or other flooding, know your nearest safe high ground and the safest access route to it.
• Prepare an emergency kit containing:
- a portable battery radi...

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...ectiveness in helping humans manage drought in Australia. Briefly justify your answer.
1. Individual 2/Business 1
2. Government 2
3. Individual 1
4. Business 2
5. Government 1
I believe that water tanks would be the most useful in terms of price and in the long run. Although a recycling station would save us a lot of water, it would cost a lot and would be better off by supplying the money for damns and water storage centres.

Criteria 5 marks 4 marks 3 marks 2 marks 1 marks 0 marks
Use of data and information sources to draw conclusions about cyclone severity and behaviour
Understanding of the influence of the Southern Oscillation on droughts and floods in Eastern Australia
Understanding of the strategies which can be used to manage drought in Australia
Understanding the effect of cyclones, floods and droughts on humans in Australia

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