Be a beautiful resilience city -Kaohsiung’s green corridor with Wetlands and Flood Detention Basins- Lee-Shing Fang, Dr., Prof. Kaohsiung City Government Sustainable Development and Climate Change Adaptation Committee 2019.06.25 Outline 2 2019 Resilient Cities Resilient 2019 Challenges of climate change in Kaohsiung - Wetlands initiatives City Kaohsiung Transform to Flood Detention Basins Conclusion: green ecological corridor 1879 1920 3 1970’S 2019 Challenges of climate change in Kaohsiung Extreme Precipitation and Drought 4 ： Population 2.77 millions Kaohsiung’s annual rainfall： Cities Resilient 2019 ： Area 2,951 Km2 1884mm Climate: Tropical Monsoon Ave. Temp：25.9 C Taiwan’s annual rainfall：2510mm Global annual rainfall：973mm Ave. Temp. From 1910-present - Kaohsiung City City Kaohsiung Annual rainfalls of wet–dry seasons Widely constructed wetlands-21 Wetlands in Kaohsiung An Blue belt eco-system water management 5 21 wetlands in the city Cities Resilient 2019 Over 1,000 hectares - Kaohsiung City City Kaohsiung How to do it? 6 2019 Resilient Cities Resilient 2019 - Jhouzai Wetland City Kaohsiung (Home of the Pheasant-tailed Jacana) Hydrophasianus chirurgus Wetlands in Kaohsiung 7 Landscape before 2002 2019 Resilient Cities Resilient 2019 water chestnut - Kaohsiung City City Kaohsiung Jhouzai Wetland (Home of the Pheasant-tailed Jacana) The change 8 2019 Resilient Cities Resilient 2019 - Kaohsiung City City Kaohsiung Jhouzai Wetland (Home of the Pheasant-tailed Jacana) Recycle of one-site waste materials 枕木 石材 竹樁 2003 Ford Envir. Prot. First Price 9 2019 Resilient Cities Resilient 2019 - Kaohsiung City City Kaohsiung >100 bird spp. >400 plant spp. >run by NGO with support from city government Estuary wetland 1 0 2019 Resilient Cities Resilient 2019 Area ：12.6 Hectare Built on：2011/04/24 - Kaohsiung City City Kaohsiung Jhondou Wetlands Park Lumber storage site 11 plywood factories 2019 Resilient Cities Resilient 2019 - Kaohsiung City City Kaohsiung Jhondou Wetlands 1 2 Jhondou Wetlands Park Cities Resilient 2019 - Kaohsiung City City Kaohsiung Love river Eco island Aim to restore mangrove ecosystem 2012 FIABCI Envir. Res. First Price 1 3 2019 Resilient Cities Resilient 2019 - Kaohsiung City City Kaohsiung Restoration of mangroves ecosystem, accessible by residents Urban我們如 wetland何Wetlands--- initiativeBenhe District Flood Detention Wetland (Basin) 1 4 2019 Resilient Cities Resilient 2019 - Wetland City Kaohsiung Flood Detenion pond Flood Detention Basin for river flood control Flood Prone Areas on Dian-Bao stream Catchment 15 Gangshan Cities Resilient 2019 劉厝排 Yanchao 水 A區 石 螺 海城 潭 B區 秀 水 社區 排 筆秀 排 水 社區 - Kaohsiung City City Kaohsiung Dian Bao River Tzukuan CiaoTou 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。 Dianbao River Flood Detention Basin 2009 2016 Typhoons 2010 2013 2015 Morakt Fanapi Kong Rey Soudelor Megi 2012 2014 16 24hr Rainfall 301 935 240 219.5 336 2019 Resilient Cities Resilient 2019 Area Flooding Area A Area 300 3,872 - - 47 (m2) B Complete Flooding Depth Complete 0.3~1 0.3~2.2 - - 0.3 (m) Flooding 3~36 3~24 - - 12 Detention Duration (hr) Flooding basins 2,000 25,200 - - 170 Household - Kaohsiung City City Kaohsiung Flooding Areas Catchment 2016 Megi 2013 Kong Rey 2010 Fanapi Typhoon 2009 Morakot Dianbao River Flood Detention Basin Creating an Eco-friendly and Recreational Area 17 2019 Resilient Cities Resilient 2019 - Protected Species: City Kaohsiung Pheasant-tailed Jacana Water Ecological Park Night Heron Moorhen 3.8 km Bike path Ecological Education 13 Flood Detention Basins in Kaohsiung City Dianbao River Zone B Flood Chienfengtzu Flood Detention Dianbao River Detention Basin, 18 Basin, Gangshan District Zone A Flood Gangshan 2019 Resilient Cities Resilient 2019 Yong'an Flood Detention Detention Basin, District Basin, Yong'an District Gangshan District Chaishan Detention Shilong River Flood Detention Basin, Gushan District Basin, Renwu District - Conclusions City Kaohsiung Bagua Flood Detention Beiwu Flood Basin, Renwu District Detention Basin, Renwu Benhe Flood Detention District Basin, Sanmin District Benan Flood Detention Basin, Sanmin District Shihcyuan Flood Bao-Ye Flood Detention Basin, Fongshan Flood Detention Detention Basin, Shanziding Flood Detention Sanmin District Basin, Niaosong District Sanmin District Basin, Daliao District Overcome climate change through friendly adaptive actions. 19 2019 Resilient Cities Resilient 2019 The green ecological corridor restores biodiversity, improve the city landscape, and supports a resilient city. Conclusions - Kaohsiung City City Kaohsiung Kaohsiung a beautiful and sustainable city invites you to visit ! 20 Thank you for your Attention Kaohsiung City Government Sustainable Development and Climate Change Adaptation Committee @ 2019 Resilient Cities , Bonn 2019.06.25 .