paper 2 case study river restoration

What is river restoration?

The process of managing previous damaged rivers to reinstate natural processes to restore biodiversity, providing benefits for both people and wildlife.

Where is the river and why is it important?

Seoul, South Korea, has a population of over 10 million.

What are the issues with the Seoul river?

* Virtually no vegetation so no evapotranspiration.
* Enclosed preventing evaporation.
* Irregular flow rates.
* Poor water quality.

What were the aims for the redevelopment?

1. Allow pedestrian movement.
2. Dismantle the elevated freeway.
3. Improve quality of life.
4. Remove safety risks.
5. Increase business competitiveness.

How much did the Seoul river restoration cost?

Nearly $300 million.

What were the impacts of the restoration?

* Flow rates were improved.
* Decreased flood rates, 1 in 200 year event.
* 600% increased biodiversity.
* Reduction of urban heat island by 2.5 degrees.

What was a social benefit of the restoration of the Seoul river?

Prices in the local area were increased by 50% after the redevelopment.