dsd-int 2015 - planning support toolbox for resilient urban design
TRANSCRIPT
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30 October 2015
SymposiumPlanning Support Toolboxfor (Climate) Resilient Urban Design
Delft Software Days
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Programme
Frans van de Ven Tools for resilient urban designReinder Brolsma Urban Drought & Water Balance ModelJeroen Kluck Heat stress model / mappingFrans van de Ven Climate Adaptation App & Support Tool
Break
Hands on session
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30 October 2015
SomeTools for Resilient Urban Design
Dr ir Frans H M van de Ven
Delft Software Days
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Overview
• Adaptation assignment & spatial planning• A planner’s perspective• Tools to
• Quantify the assignment• Support planning and design
• Recent developments
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Hazards and challenges
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Climate is changing
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Flooding (coastal, fluvial, pluvial, groundwater)
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Drought
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Heat stress
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Other relevant developments200519701900
To be considered in our planning
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How to plan for adaptation
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The planning process
Initiative phaseresearch and analysisprogramme development
Design phaseconceptual designpreliminary designsite planimplementation plan
Stress TestVulnerability scanStrategy
Selection of measures….…. design
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The planning process
Tiered approachThree steps:1: Vulnerability scan2: Strategy to reduce vulnerability3: Select set of adaptation measures
Deltaprogramma Nieuwbouw en Herstructurering (2014) Handreiking voor deuitvoering van een Stresstest Klimaatbestendigheid. www.ruimtelijkeadaptatie.nl
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Tools• to identify the assignments• to support planning & design
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probabilityof failure
risk
vulnerability
protectionmeasures
hazard map
damagesensitivityo
riskmap
(changes in)pressures
adaptability
hot spot map
o sometimes called “vulnerability” or “susceptibility”
(cha
ngin
g)th
resh
old
stre
ngth
protectionstrategy
Physical System vulnerability analysis
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Flood hazard assessment
3Di on MapTable, showing flood-prone areas
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Storage - Discharge Capacity – Frequency curves
1 januari 2008
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Heat stress
expected temperature differencesin Groningen city during heat wave
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PHOTO PROVIDED BY THE PORTAUTHORITY OF NEW YORK AND NEWJERSEY A SURVEILLANCE CAMERACAPTURES THE PATH STATION INHOBOKEN, N.J., AS IT IS FLOODEDSHORTLY BEFORE 9:30 P.M. EDT ONMONDAY, OCT. 29, 2012. (CREDIT: AP)
Vital and vulnerable objects, networks
• Power• Telecom• Hospitals• Evacuation routes• Elderly homes• Chemical plants• … … …
vulnerable people, animals andvital objects and networksrequire extra protection
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CIrcle tool to analyse chain effects in vital infra
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Tools• to identify the assignments• to support planning & design
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Many, many options:
Lots of measures can be taken
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Soft solutionsHard solutions
flexible and cost-effectiveless flexible, extra investment
more space but multi-functionalless space required
Blue-green solutions preferred over grey ones
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Discuss and co-design solutionswith experts and stakeholders
Video 3Di
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Dialogue during early phase of planning
Output: ranked list ofmeasures
strengtheneddesign &innovation
2 - 3 alternativeadaptationpackages
design ready fordecision making
ADAPTATION SUPPORT TOOLBOX
AST 3Di, HDSM,…
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Climate Adaptation App
1 januari 2008
www.climateapp.org
Filters to rank measures
Click tile to get moreimages and info
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Adaptation Support Tool
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Dashboard
Ranked list of 62 blue, green andgrey adaptation measures
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Dashboard
Dashboard with KPI’sbased on key figures, e.g.:
• Retention [m3]• Peak flow reduction (Treturn [yr])• Seasonal storage [m3]• Cooling effect [oC]• Groundwater recharge [mm/yr]• Water quality improvement:
• Nutrients (%)• HMs, PAHs, min. oil (%)• Bacteriological quality
• Costs (implementation and maintenance)• Benefits and ‘co-benefits’
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Recent developments
First applications of these tools:
in the NetherlandsUtrecht, Dordrecht, …
abroadLondon, Beira, Oaxaca, …
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Discussion
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Discussion
Before you leave, please tell us:
• Is this what you need?• What would be the first thing to be improved?• Applicability• - in NL?• - abroad?
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Closing
Thank you for your attention!
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Peak flow reduction