Urban Drianage Flashcards
What are SUDS
Drainage systems designed to manage the flow of water sustainably
5 examples of SUDs
Permeable surfaces
Green roofs
Rainwater harvesting
Ponds (retention/detention)
Swales
Location of Cheonggyecheon
Seoul, korea
Background of Cheonggyecheon
Went under dredging and attempted to cover it
Was covered over by tarmac and became a road
How much was the Cheonggyecheon scheme
$281 million
Aims of the Cheonggyecheon river restoration
The cover imposed safety risks
Wanted to improve connectivity, divided by cover
Overpass impacted businesses
Reduce air pollution
What work was carried out during the Cheonggyecheon river restoration
Concreted cover removed
Car use discouraged and bus lanes added
Ecological conservation area created
Pedestrian footpaths created
Attitudes and contributions to Cheonggyecheon
Concerns from transportation experts as it used to carry 170,000 cars a day
Local businesses saw it as a threat
What did the Seoul metropolitan authority do to stimulate business activity
Provided extra parking
Reduced parking fees
Provided subsidies and grants
How much tourists attraction did Cheonggyecheon bring in 2008
18.1 million visitors
Cheonggyecheon project reduction in average temps
2.5°
