Cheonggyecheon, Seoul river restoration project. Flashcards
1
Q
How previous human alteration had an impact upon the water balance in this damaged urban catchment:
A
- Virtually no vegetation so no evapotranspiration
- Water quality was poor
- River was totally enclosed preventing evaporation from the river
- Flows rates were irregular affecting wildlide.
2
Q
Overall aims of the restoration project:
A
- Improve quality of life
-Have a pedestrian corridor which improves the environment - Remove safety risks
- Increase business competitiveness and connectivity either side of the river.
3
Q
What was the cost of the project approximately:
A
$281 million
4
Q
Features of the scheme included:
A
- Multiple bridges were added to improve communication between the North and South of the river
- Water was pumped in to develop with variable flow rates and the water was treated to prevent water pollution.
- Rapid bus lanes were added
- Fountains and waterfalls to increase biological oxygen supply
5
Q
Environmental impacts of the project:
A
Positives:
- Provides flood protection, for up to 200 year flood event.
- Increased overall biodiversity (639%)
- Reduces urban heat island effect, due to increased vegetation and removal of the paved express.
- Evapotranspiration increased
- Reduced use in cars
- Flow rates were maintained at a constant rate
6
Q
Social impacts of the project:
A
- Before, restoration project residents of the area were more than twice as likely to suffer from respiratory disease than those in other parts of the city, this has been significantly reduced.
- Increased tourism
Around a 15% increase in bus ridership.
7
Q
Economic impacts of the project:
A
- Increased the pricing of housing and land near the river restoration project.
- Increased business growth as people from the North and the South of the river are now moving around
- Foreign tourism contributed $1.9 million in visitor spending to the Seoul economy.
