Tarmu
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Hi, just wondering if anyone is taking the same exam on the 24th of January. The: Sustainable decision making exam- OCR B (25% of final geo GCSE grade). If so, using the pre-release resource booklet-what questions are they liable to ask?

Here's the contents of the resource booklet:
Resource 1 - Two drainage basins
Resource 2 - Impacts of flooding
Resource 3 - Areas which could be affected by flooding
Resource 4 - Floodplain hazard zones
Resource 5 - Human uses of floodplains
Resource 6 - Flood management strategies
Resource 7 - Flooding in Brisbane, Australia, January 2011

Thanks, Tarmu.
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StartingTheParty
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My teacher made our retake class a mock exam. Here are the questions, I hope they help!


Section A: The Background

Question 1:
Use resource 1.

(a) What is meant by the term 'lag time'? (2 marks)
(b) What is the lag time for the storm hydrograph - Drainage Basin A? (1 mark)
(c) What is the lag time for the storm hydrograph - Drainage Basin B? (1 mark)


Question 2.
Use resource 1.

(a) Describe and explain the differences between the storm hydrographs for Drainage Basin A and Drainage Basin B. (6 marks)



Section B: The Options

Question 3.
Use Resource 2 and 3

(a) Identify and explain two reasons why the risk of flooding is greater in Area 1 than Area 2. (6 marks)


Question 4.
Use resource 6

(a) Choose a flood management strategy and explain how it is sustainable. (8 marks)



Section C: The Decision

Use resources 1, 3, 4, 6 and 7, plus your own knowledge and any ideas from other resources in the booklet

The Queensland State Governor must decide what plans are needed for Brisbane to ensure that there isn't a repeat of the flood damage in January 2011. The Governor is considering three possible options.

Option 1
Use hard-engineering solutions, such as, building dams and constructing river flood defences.

Option 2
Use soft-engineering solutions, such as, river monitoring and land-use zoning.

Option 3
Do nothing. Allow flooding through no active intervention; acknowledging that flooding is a natural process and will occur within a flood return period.


Task

  • State your chosen option
  • Explain why you think the option you have chosen is more sustainable than each of the other options
  • Explain the disadvantages of your chosen option
  • Give one possible advantage of each of your rejected options.


This is worth 16 marks.
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simibean
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thanks for this. good luck for the exam
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Tarmu
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(Original post by StartingTheParty)
My teacher made our retake class a mock exam. Here are the questions, I hope they help!


Section A: The Background

Question 1:
Use resource 1.

(a) What is meant by the term 'lag time'? (2 marks)
(b) What is the lag time for the storm hydrograph - Drainage Basin A? (1 mark)
(c) What is the lag time for the storm hydrograph - Drainage Basin B? (1 mark)


Question 2.
Use resource 1.

(a) Describe and explain the differences between the storm hydrographs for Drainage Basin A and Drainage Basin B. (6 marks)



Section B: The Options

Question 3.
Use Resource 2 and 3

(a) Identify and explain two reasons why the risk of flooding is greater in Area 1 than Area 2. (6 marks)


Question 4.
Use resource 6

(a) Choose a flood management strategy and explain how it is sustainable. (8 marks)



Section C: The Decision
Thanks for that, just what I was looking for!
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sheepshap
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What are the advantages of zoning?
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bookworm786
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You are using land wisely in urban areas instead of making an area unprepared for floods. For example, building car parks instead of T.V. factories, as the damage won't be ad bad.
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sheepshap
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so how is zoning sustainable?
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bookworm786
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It will cause less damage and so therefore have less impact on the future of that land. Building a golf course instead of a house or a business is much more sustainable in this way, as the property will not be affected in any way (no people will be injured in case of a flood, no money will be spent on aid etc).

Hope this helps - it's kind of helped me lol (i'm doing the exam too)
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simibean
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how did you find it?
what option did you pick for 16 mark question?
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Tarmu
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(Original post by simibean)
how did you find it?
what option did you pick for 16 mark question?
Easier than I expected. For the 16 mark question I went for the 'flood zoning' strategy. We were told in advanced not to opt for any of the hard-engineering options. What did you make of it yourself?
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sheepshap
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It was okay
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simibean
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(Original post by Tarmu)
Easier than I expected. For the 16 mark question I went for the 'flood zoning' strategy. We were told in advanced not to opt for any of the hard-engineering options. What did you make of it yourself?
It was allright
I picked option 3 for last question :K:
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Tarmu
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(Original post by simibean)
It was allright
I picked option 3 for last question :K:
Fair enough, there's no right or wrong answer as long as you can justify your answer :cool:
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bookworm786
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(Original post by Tarmu)
Easier than I expected. For the 16 mark question I went for the 'flood zoning' strategy. We were told in advanced not to opt for any of the hard-engineering options. What did you make of it yourself?
Yeah i picked Option 1 too. It had the best reasons.

I actually thought that it was alright, as it had virtually the exact same questions as the mock exam we were given.
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StartingTheParty
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(Original post by simibean)
It was allright
I picked option 3 for last question :K:
I also picked Option 3.

I have to say, I think I really messed up with it though, I couldn't think of any sustainable decisions regarding that option.

However, I did basically use the points:
  • The city of Bisbrane is valuable land and we cannot afford the costs of another flood
  • The hard engineering option would protect the city from any long-term damage and would prevent it ever happening in the future
  • The dam can bring in income, through Hydroelectric Power and also be used for recreation and leisure.
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Archiesd
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Do you or does anyone else know what it's going to be on this year?
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