International Urban Cooperation (IUC) · 2020. 9. 25. · Mapping urban risk to climate impact with...
Transcript of International Urban Cooperation (IUC) · 2020. 9. 25. · Mapping urban risk to climate impact with...
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International Urban Cooperation (IUC)City-to-City Cooperation Program
Birmingham (USA) – Padova (Italy)24/09/2020
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Mapping urban risk to climate impact with GIS: an
operational approach to support climate adaptation
planning Denis Maragno, PhD
Assistant Professor in Urban Planning and GIScienceDepartment of Architecture and Arts
University IUAV of Venice
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THE POINT OF
VIEW
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WHICH KINDS OF CLIMATE IMPACT FOR THIS CITY?
WHERE THE CITY IS VULNERABLE TO THAT KIND OF IMPACT?
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known knownsThings we are aware of and understand
known unknownsThings we are aware of but don’t understandThings we are understand but are not aware of
unknown unknownsThings we are neither aware of no understand
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known unknowns / unknowns known
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Analysis
Planning
Implementaton
Monitoring
General Planning Process
Geo DataBase
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SATELLITE DATA
https://earthexplorer.usgs.gov/
https://scihub.copernicus.eu/dhus/#/home
https://earthexplorer.usgs.gov/https://scihub.copernicus.eu/dhus/#/home
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known unknowns / unknowns known
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known knowns
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known unknowns / unknowns known
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Hazard
IMPACT
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Iuav Elaboration Output
Edifici
Strade
Vegetazione
Impermeabile
Direct Insolation
Sky View Factor
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UHI PROJECT: PADOVANUOVE NECESSITA’ CONOSCITIVE
IL RUOLO DELLE NUOVE TECNOLOGIE
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UHI PROJECT: PADOVANUOVE NECESSITA’ CONOSCITIVE
Urban vegetations
IL RUOLO DELLE NUOVE TECNOLOGIE
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UHI PROJECT: PADOVANUOVE NECESSITA’ CONOSCITIVE
Street solar radiation kwh m2
day
IL RUOLO DELLE NUOVE TECNOLOGIE
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SHP File of gras
SHP File of trees
SHP File of buildings
RASTER of SVF
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ONLY 1 EXAGONAL SHP FILE
Each row is a PLANNING UNIT
Each column is the average of
trees, gras.. exc
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EASY INTERPOLATION OF
INFORMATION
FAVORS MONITORING
ACTIVITIES
IMPROVES THE
COMMUNICATION OF THE MAPS
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A. Mahdavi, K. Kiesel, M. Vuckovic (2012)
URBAN HEAT ACCUMULATION FACTORS
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Indicators aggregation (From IPCC, 2014)
HAZARD
SENSITIVITY
POTENTIAL IMPACTS
ADAPTIVE CAPACITY
VULNERABILITY*
EXPOSURE RISK!
Heat waves
Urban Heat Island
SVFBuilt area FractionImprevius Fractio……
Ratio of green area
Cultural heritageUniversity buildingsPopulation aged 0–10 and 65+…
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SENSITIVITY MAP
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ADAPTIVE CAPACITY MAP
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VULNERABILITY MAP
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EXPOSURE MAP
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RISK MAP
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RISK MAPVULNERABILITY MAP
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VULNERABILITY AND LAND USE MAP
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RISK AND LAND USE MAP
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UHI – RISK
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Thanks for your attention
by Street Art Genius Blu