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DelftUniversity ofTechnology

Amsterwarmtypology urban heat islandFrank vd Hoeven / Alex Wandl

Assignment

develop a typologythat explains the Amsterdam urban heat island

commissioned by Amsterdam, dRO

part of Climate Proof Cities program

Questionsto what extent…

does Amsterdam contributes to its own heat island?does the location of the city matter?

do neighbourhoods expose their inhabitants?are the inhabitants vulnerable to urban heat?

can the city act to reduce the impact of the UHI?

20 july/20 August 2003

80.000 deaths

Report on excess mortality in Europeduring summer 2003

Robine, J. M., Cheung, S. L., Le Roy, S., Van Oyen, H., & Herrmann, F. R. (2007).

EU Community Action Programme for Public Health

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5000 in Paris alone…excess mortality in French capital, Jul/Aug 2003

SATELLITE MONITORING OF SUMMER HEAT WAVES IN PARIS METROPOLITAN AREA 321

Figure 9. LST composite images of the Paris region from NOAA-AVHRR, under a land cover/use information layer; (a) at night (01–03UTC); (b) by day (12–15 UTC). The thumbnail pictures display areas cooler and warmer than their surroundings (images from 2010 Aerodata

International Survey, Google 2009).

linked to deaths. However, those taking minimum noc-turnal temperatures into account were significantly linkedto death. For example, for the mean minimum noctur-nal temperature in the 7-day interval until the date ofdeath, the OR associated with a 0.5 °C LST differencebetween cases and controls was 2.2, indicating a deathrisk more than twice as high. This value of 0.5 °C cor-responds to the 90th percentile of the distribution of thedifferences between the cases and controls for this indi-cator.

4. Discussion and conclusion

This study documented the satellite monitoring of a 9-dayheat wave over a metropolitan area and the associatedepidemiological risk and time lag of death for elderlypersons at given locations. The thermal images showedcontrasting night-time and daytime heat island patterns,which were related to surface characteristics and landuses. The results confirm the influence of nocturnaltemperatures on heat wave intensity and excess mortality,

Copyright ! 2010 Royal Meteorological Society Int. J. Climatol. 31: 313–323 (2011)

RemotesensingParis 2003link betweentemperatureand land use[Dousset]

Holland 2006-7air temperature at night AATSR

Amsterdam 2006-7land surface temperature daytime LT5

Amsterdam in pixelsquantify each hectare in terms oftemperature, land-use, NDVI, SAVI, LAI,albedo, shadow, sky-view factor, building envelope, building volume …average wind speed,proximity to Green Heart, Waterland,North Sea, IJsselmeer,Harbour Amsterdam, Schiphol Airport …

impervious surface

water

green index

traffic area

skyview factor

albedo

distance to IJsselmeer

energy labels

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Measurestrees + vegetationwater

less + cool pavementsgreen + cool roofs

energy-efficient buildings

trees + vegetation

water

less and cool pavement

cool and green roofs

energy-efficiency

Priority areas

neighbourhoods:liveability (quality of life)

vulnerability:elderly & newborns

energy use / labour productivity:workplaces

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elderly (75+), newborns (1-)

vulnerable inhabitantsin neighbourhoods with poor liveability

workplace concentrations

potential energy use to cool buildingslow energy labelsissues with labour productivity

DelftUniversity ofTechnology

Amsterwarmtypology urban heat islandFrank vd Hoeven / Alex Wandl