Environmental Engineering Reference
In-Depth Information
Table 19.3.2
The outdoor spaces improvement procedure.
Mitigation
measures
Region
Climatic conditions
Comfort indices
Findings
Reference
Ghardaia,
Algerian
Sahara
Hot and arid
Analysis of
streets
design and
orientation
PET
Wide streets
(H/W
=
0.5) are
highly stressful
and independent
of the orientation.
If wide streets
are planned, shading
strategies should
be implemented
directly at street level.
Ali-Toudert
et al., 2006
Madrid,
Spain
Mediterranean
Evaporative
towers
Air temperature,
humidity and
wind speed
Reduction of air
temperature in the
pedestrian level by
3.5
◦
C
Soutullo
et al., 2011
Dubai,
UAE
Hot and arid
Ventilation
25.3%, 26.6%, and
27.7% comfort on
yearly basis when
wind speed is 1.5, 3,
and 6m/s respectively
Al-Sallal
et al., 2012
Athens,
Greece
Mediterranean
Vegetation,
Cool materials,
shading
Air temperature
Reduction of air
temperature
almost 2
◦
C.
Gaitani
et al., 2011
Athens,
Greece
Mediterranean
Cool materials
Air temperature
Reduction of
air temperature
almost 2
◦
C.
Santamouris
et al., 2012
Tirana,
Albania
Mediterranean
Vegetation,
Cool materials,
Earth to air
heat exchangers
Air temperature
Reduction of air
temperature almost
2
◦
C.
Fintikakis
et al., 2011
Milan,
Italy
Mediterranean
Field
measurements,
analysis of
vegetation.
Focus on the
impact of
vegetation
COMFA,Thermal
budget (W/m
2
)
The vegetation should
be considered as a
real tool for the
control of microclimatic
conditions in external
spaces.
Picot, 2004
Hong
Kong
Subtropical
Ventilation
PET,TSV,
wind speed
Ensuring wind
environment with
wind speed of
0.9-1.30m/s in the
city through better
planning. Reduction
of solar radiation gains
through shading
and vegetation.
Ng, et al.,
2012
Crete,
Greece
Mediterranean
Spay fans to
increase
evapotranspiration
DI, ET
The addition of
8 trees in an area
of 100m
2
can reduce
the temperature for
up to 3.1
◦
C
Georgi
et al., 2010
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