Managing and Mitigating Flood Risks Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what’s on both sides.
  • Make sure you understand the information on each card. If something’s unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

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3️⃣ Consistently Review and Practice:

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  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It’s useful to remember specific examples to understand these concepts better.

What are the two main categories of strategies to safeguard communities from floods?

The two main categories are hard engineering strategies and soft engineering strategies.

What are the advantages and disadvantages of building dams and reservoirs?

Advantages: Can generate hydroelectric power, and reservoirs can attract tourists.

Disadvantages: Expensive to build and maintain, traps sediment reducing capacity, can cause habitat flooding, and can displace local communities.

How do embankments help prevent flooding and what are their drawbacks?

Advantages: Cost-effective, and prevents floodwater from overflowing.

Disadvantages: May appear unnatural, and can increase flood risk downstream due to faster water flow.

What are the advantages and disadvantages of flood relief channels?

Advantages: Reduces flood risk in vulnerable areas.

Disadvantages: Can be expensive to construct, and relief channels can flood in extreme situations.

What are flood warnings and preparation, and what are their benefits and drawbacks?

Advantages: Allows people to safeguard their properties and possessions, and can help reduce insurance claims.

Disadvantages: Limited accessibility to warnings for some individuals, and flash floods may not offer enough time for warnings.

What is floodplain zoning and what are its benefits and challenges?

Advantages: Helps to minimise flood risks in high-value areas, and reduces potential damage and insurance claims.

Disadvantages: Changing existing land use can be challenging, and determining the appropriate level of flood protection needed can be complex.

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