If a flood is defined as a supply of water that is too large for a river channel

Question

If a flood is defined as a supply of water that is too large for a river channel to hold, determine whether each of the following methods of dealing with flooding is a 'prevention of' or 'adjustment to' flooding. Preventing a flood would be to keep the flood from happening, whereas an adjustment would be changes made to reduce the impact of a flood when it does occur (rather than keep it from occurring).

Write P in the blank if it is prevention.

Write A in the blank if it is adjustment.

1. Levees

2. Floodplain infrastructure regulation

3. Flood-control channels

4. Increase citizen awareness of flood risk

5. Flood-proof structures

6. Dams

7. Management of upstream drainage basin

Explanation / Answer

1. Leeves are constructed to prevent the entry of flooded water or it stops the flood to become worse.

2. Floodplain infrastructure regulation is adjusted as per the recent events or by prediction.

3. Flood control channel is an adjustment that is made to divert the flood water..

4. Increase citizen awareness is a preventative method in which we can save some lives.

5. Construction of flood proof structures is a prevention as this will save everything for a long time

6. Dams are prevention measures that can control floods.

7. Management of upstream drainage basin is the adjustment in the flow.

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