Kaohsiung’s green corridor with Wetlands and Flood ... · 0.3~1 e 2013 2014 ea B e 2015 Soudelor...
Transcript of Kaohsiung’s green corridor with Wetlands and Flood ... · 0.3~1 e 2013 2014 ea B e 2015 Soudelor...
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Lee-Shing Fang, Dr., Prof. Kaohsiung City Government Sustainable Development and Climate Change Adaptation Committee 2019.06.25
Be a beautiful resilience city -Kaohsiung’s green corridor with Wetlands and Flood
Detention Basins-
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Outline
Challenges of climate change in Kaohsiung
Wetlands initiatives
Conclusion: green ecological corridor
Transform to Flood Detention Basins
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2019
1920 1879
1970’S
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Challenges of climate change in Kaohsiung
Extreme Precipitation and Drought
Kaohsiung’s annual rainfall:1884mm
Taiwan’s annual rainfall:2510mm
Global annual rainfall:973mm
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Climate: Tropical Monsoon Ave. Temp:25.9 C
Ave. Temp. From 1910-present
Annual rainfalls of wet–dry seasons
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Widely constructed wetlands-21 Wetlands in Kaohsiung
An Blue belt eco-system water management
21 wetlands in the city
Over 1,000 hectares
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How to do it?
Jhouzai Wetland
(Home of the Pheasant-tailed Jacana)
Hydrophasianus chirurgus
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Wetlands in Kaohsiung
Jhouzai Wetland (Home of the Pheasant-tailed Jacana)
Landscape before 2002
water chestnut
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The change
Jhouzai Wetland (Home of the Pheasant-tailed Jacana)
石材 竹樁
枕木 Recycle of one-site waste materials
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>100 bird spp.
>400 plant spp.
>run by NGO with support
from city government
2003 Ford Envir. Prot. First Price
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Estuary wetland 2
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Jhondou Wetlands Park
Area :12.6 Hectare Built on:2011/04/24
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Lumber storage site 2
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11 plywood factories
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Jhondou Wetlands 2
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Aim to restore mangrove ecosystem
Love river
Jhondou Wetlands Park
Eco island
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2012 FIABCI Envir. Res. First Price 2
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Restoration of mangroves ecosystem, accessible by residents
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我們如何Wetlands initiative 2
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Urban wetland--- Benhe District Flood Detention Wetland (Basin)
Wetland
Flood Detenion pond
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Flood Detention Basin for river flood control
Flood Prone Areas on Dian-Bao stream Catchment
劉厝排水
石螺潭排水
秀 排
水
A區
B區
CiaoTou
海城社區
筆秀社區
Tzukuan
Dian Bao River
Yanchao
Gangshan
Main stem:Catchment area is 106km2, ;
Length: 34.7km; Ave. slope is about 25%,
Height difference: 250 m; Time of
Concentration:11.15 hours.
Largest tributary:Da-Liao drainage
12.91km,height difference 54m,; Time of
Concentration: 3.92 hours。
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Detention
basins
Typhoons 2009
Morakt
2010 Fanapi
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2013 Kong Rey
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Megi
24hr Rainfall 301 935 240 219.5 336
Flooding Area
(m2) 300 3,872 - - 47
Flooding Depth
(m) 0.3~1 0.3~2.2 - - 0.3
Flooding
Duration (hr) 3~36 3~24 - - 12
Flooding
Household 2,000 25,200 - - 170
Catchment
2016 Megi
2013 Kong Rey
2010 Fanapi Typhoon
2009 Morakot
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Flooding Areas
Dianbao River Flood Detention Basin
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Water Ecological Park
3.8 km Bike path Ecological Education
Protected Species:
Pheasant-tailed Jacana
Moorhen Night Heron
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Dianbao River Flood Detention Basin Creating an Eco-friendly and Recreational Area
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Conclusions
Yong'an Flood Detention Basin, Yong'an District
Chaishan Detention Basin, Gushan District
Chienfengtzu Flood Detention Basin, Gangshan District
Bagua Flood Detention Basin, Renwu District
Shihcyuan Flood Detention Basin, Sanmin District
Bao-Ye Flood Detention Basin, Sanmin District
Shanziding Flood Detention Basin, Daliao District
Benan Flood Detention Basin, Sanmin District
Fongshan Flood Detention Basin, Niaosong District
Beiwu Flood Detention Basin, Renwu District
Shilong River Flood Detention Basin, Renwu District
Dianbao River Zone A Flood Detention Basin, Gangshan District
Dianbao River Zone B Flood Detention Basin, Gangshan District
13 Flood Detention Basins in Kaohsiung City
Benhe Flood Detention Basin, Sanmin District
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Overcome climate change through
friendly adaptive actions.
The green ecological corridor restores
biodiversity, improve the city landscape,
and supports a resilient city.
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Conclusions
Kaohsiung a beautiful and
sustainable city
invites you to visit !
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Thank you for your Attention
Kaohsiung City Government Sustainable Development and Climate Change Adaptation Committee @ 2019 Resilient Cities , Bonn 2019.06.25
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