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The soft engineering method does not involve building artificial structures but takes a more sustainable and natural approach to managing the potential for river flooding.
Flood warnings and preparation
The environmental agency monitors rivers and issues warnings via newspapers, TV, radio, and the internet when they are likely to flood so people can prepare.
Advantages:
People have time to protect their properties, eg with sandbags.
Many possessions can be saved, resulting in fewer casualties.
Disadvantages:
Some people may not be able to access the warnings..
Flash floods may happen too quickly for a warning to be effective.
They do not stop the land from flooding - it is just a warning.
Floodplain zoning
Floodplain zoning refers to the regulatory measures and land use planning strategies implemented in areas prone to flooding. It involves dividing these regions into different zones based on the level of flood risk, and then applying specific regulations and restrictions to manage development in those areas.
Advantages:
Minimizes the risks associated with flooding.
Protect lives and property.
It can be used to reduce flood risk in built-up areas.
Maintains a balance between development and natural floodplain functions.
Disadvantages:
Difficult to incorporate into city planning in terms of changing the existing land uses.
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