Flood Relief Channels - flood management strategies - Advantages and disadvantages table in GCSE Geography

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Created on: 19-05-19 13:26

Flood Relief Channels - flood management strategies

Advantages

Can be effective I reducing the flood risk in high-value areas, such as town centres (e.g the Jubilee River protects Eton and Windsor from floods).
The new channel provides opportunities for recreation (e.g walking and fishing).
New aquatic habitats are created.
Insurance premiums may be reduced for local people (e.g. Jubilee River has reduced the flood risk for over 3,000 properties).

Disadvantages

Can be very expensive if constructed across high-value land (e.g. Jubilee River at Maidenhead cost £110 million).
Regular maintenance is required to retain channel efficiency- this can be expensive.
Habitats may be disturbed.
If concrete is used, they can look unnatural and unattractive.

Evaluation

What is this Strategy? A new channel is constructed to divert water when discharge is high, avoiding towns or other high-value land and reducing their flood risk. (e.g. the Jubilee River is a flood relief channel for the River Thames).

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