14th IRCSA Keynote Presentation, Kuala Lumpur, Malaysia Promotion of RAIN CITIES in Korea – Policies and Case Studies- Aug.3, 2009 Professor Mooyoung Han Director, Rainwater Research Center, Seoul National University Chairman, IWA Rainwater Harvesting and Management Specialist Group
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14th IRCSA Keynote Presentation, Kuala Lumpur, Malaysia
Promotion of RAIN CITIESin Korea – Policies and Case Studies-
Aug.3, 2009
Professor Mooyoung Han
Director, Rainwater Research Center, Seoul National UniversityChairman, IWA Rainwater Harvesting and Management Specialist Group
Where is Korea?
Koreans
Korean food
Scenery
Delft meeiting 29 November 2007
Contents
Introduction: Challenges in Water ManagementIntroduction: Challenges in Water Management
Scientific and Engineering findings for Rainwater ManagementScientific and Engineering findings for Rainwater Management
•Quality, Energy, and Climate Change Adaptation Potential
Case Studies in KoreaCase Studies in Korea
• Star City, Seoul City, Suwon City, RAIN CITY
• Rainwater Mangement Tradition in Korea
Conclusion and VisionConclusion and Vision
Delft meeiting 29 November 2007Problem : Flooding
Flood in Watershed
Delft meeiting 29 November 2007Problem : Flooding
Flood in Urban area
Delft meeiting 29 November 2007Problem : Drought
Water Shortage
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Delft meeiting 29 November 2007
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Challenges in urban water management
DisasterpreventionSewer
Watersupply
Architecture
Urban water management
Amenity
UrbanizationImpervious areaRainfall Pattern
Climate change
ArtificialArtificialChallengesChallenges
Natural Natural ChallengesChallenges
SocialSocialChallengesChallenges
Oil ShockInfrastructure
Not Safe
Not Sustainable
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Scientific and Engineering FindingsIn Rainwater Management
Scientific and Engineering FindingsIn Rainwater Management
Autumn WinterLand of beautiful scenery ((錦繡江山錦繡江山))What’s the secret?
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Rainwater Managementin Korean History
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Establishment of Korea
The first nation – Ghochosun founded in B.C. 2333
Govern the nation with three masters:
Rain (雨師), Cloud (雲師) and Wind (風伯)
Tangun Wanggum
( 檀君 王儉 )The founder
Importance of Rainwater !
Ruling Philosophy“To make every party beneficial” (弘益人間)
Win – Win strategy
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Agriculture and irrigation
Agriculture & Paddy field
Paddy field, Decentralized small damsFlood control, recharging groundwater
Preventing soil erosion
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Agriculture and irrigation
Rainwater Management of Baikje (百濟)
Byukgolje in Kimje (town of rice)
King Biryu, the 11th King (AD 330)L: 3.3 km, H: 5.7mW: 21m (bottom), 10m (top)
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The rain gauge
The rain gauge (since 1441)
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Oriental Concept of Eco-village
People depending on same water
village= +
samewater
Watershed managementDevelopment should be such that the
water system is the same before and after the development
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Conclusion and Vision
Rainwater is Clean. Rainwater is Free.
Decentralized Rainwater Management is a good strategy of Climate Change Adaptation by energy saving and flooding mitigation
Several Successful Case Studies such as Star City, Seoul City and Suwon City triggered to promote many Rain Cities in Korea
The Worst Natural Condition in Korea have cultivated the best Climate Change Adaptation Strategy in the form of philosophy and tradition, which resulted in rapid promotion of RainCities in Korea.
We need the promotion of Worldwide RainCities, starting from your city.