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9.5 Cheonggyecheon River - Coggle Diagram
9.5 Cheonggyecheon River
Benefits
Social
Health + wellbeing improved
Improved quality of life
Economic
More jobs
increasing connectivity / competitiveness between businesses
18.1 million visitors by 2008
Tourism
Envrionmental
Reduction in UHI by 3-4 degrees C
Biodiversity increased by 60%
35% decrease in small PM
Reduces respiratory issues
Parks created
Air quality increases
Flood protection
Project info
River restoration project
Seoul - 5th most populated city in world
Rural - urban migration
700,000 workers employed
River in centre of Seoul
2003-2005
Reasons for clear up
Concrete was eroding from deterorating highway
8.4 km river restored
Biodiversity increased by 600%
Rapid urbanisation
high levels of pollution
Kuzniks curve
impermeable surfaces
High population density
River covered by congested highway
Flood risk
Stakeholders
Businesses
Mixed - relocation
Tourism industry
Happy - gain tourists
Environmental groups
Happy - biodiversity increase
Locals benefited from green spaces
Negatives
Price of land increased by 30-50%
increase rent / property prices
Businesses affected and had to relocate
Project strategy
22 bridges across stream
Embankments to prevent flooding
Wetlands/habitats created along river
5.8km stream restored
Elevated concete covering removed