2B.9 Coastal flooding risk Quiz: Pearson Edexcel Geography, Unit 3

The 20 questions

1. What main atmospheric condition drives the formation of a storm surge?

   • Katabatic wind
   • Thermal inversion
   • Low pressure system
   • High pressure system

2. Which weather system is cited in the specification as generating storm surges?

   • Tropical cyclones
   • Polar highs
   • Heat depressions
   • Anticyclones

3. Which local factor increases coastal flood risk on low-lying estuarine land?

   • Afforestation
   • Accretion
   • Land subsidence
   • Isostatic uplift

4. Which global factor increases flood risk on low-lying islands like the Maldives?

   • Sea level rise
   • Isostatic rebound
   • Ocean acidification
   • Subduction

5. How might climate change increase future coastal flood risk?

   • Reduced tidal ranges
   • Decreased sea levels
   • Enhanced tectonic activity
   • Increased storm frequency

6. What effect does removing vegetation from coastal dunes have on flood risk?

   • Decreases flood risk
   • Prevents storm surges
   • Has no effect
   • Increases flood risk

7. A storm surge raises the sea level by 2.5 m above the predicted tide. If the predicted high tide is 3.0 m, what is the total water level?

   • 0.5 m
   • 5.5 m
   • 3.0 m
   • 7.5 m

8. What temporary weather event causes severe short-term coastal flooding during tropical cyclones?

   • Seasonal monsoons
   • Storm surge
   • Tsunami
   • Tidal bore

9. Which local physical factor lowers land height, increasing coastal flood risk?

   • Land subsidence
   • Coral bleaching
   • Isostatic uplift
   • Coastal accretion

10. According to the specification, what describes the pace and magnitude of future coastal flood risk?

    • Highly uncertain
    • Rapidly decreasing
    • Fully predictable
    • Completely static

11. Which event causes severe short-term coastal flooding rather than long-term change?

    • Thermal expansion
    • Eustatic change
    • A storm surge
    • Isostatic adjustment

12. Why are estuarine coasts particularly vulnerable to severe coastal flooding?

    • High wave refraction
    • Dense granite geology
    • Steep cliff profiles
    • Low-lying land height

13. Which human activity on low-lying estuarine coasts increases local flood risk?

    • Mangrove planting
    • Sand dune building
    • Vegetation removal
    • Managed realignment

14. What short-term phenomenon raises sea levels significantly above normal high tides during storms?

    • Storm surge
    • Neap tide
    • Tsunamis
    • Spring tide

15. Why is future coastal flood risk management difficult to plan precisely?

    • Predictable erosion rates
    • Constant weather patterns
    • Climate prediction uncertainty
    • Static sea levels

16. A storm surge of 1.2 m occurs at a predicted high tide of 2.4 m. What total water level is reached?

    • 2.0 m
    • 2.4 m
    • 3.6 m
    • 1.2 m

17. Over what timescale do storm surge flooding events typically occur?

    • Hours to days
    • Millions of years
    • Thousands of years
    • Decades to centuries

18. Beside sea level rise, which atmospheric factor linked to climate change increases flood risk?

    • Solar radiation
    • Ocean acidity
    • Ozone depletion
    • Storm frequency

19. Which coastal ecosystem acts as a natural buffer, reducing wave energy before reaching land?

    • Submerged canyons
    • Deep trenches
    • Mangrove swamps
    • Concrete seawalls

20. How do mangroves help reduce coastal flood risk on tropical coastlines?

    • Accelerate water flow
    • Increase wave height
    • Erode coastal sediment
    • Dissipate wave energy

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