E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
581, P. 01020 - 01020
Published: Jan. 1, 2024
Urban
Heat
Islands
(UHIs)
are
a
growing
concern
in
metropolitan
areas
due
to
the
concentration
of
infrastructure,
reduced
vegetation,
and
increased
human
activities.
The
UHI
effect
results
higher
temperatures
urban
compared
rural
surroundings,
contributing
adverse
environmental
health
impacts.
One
promising
mitigation
strategies
is
implementation
green
roof
technology.
This
paper
investigates
potential
roofs
reducing
effects
by
analyzing
their
thermal
performance,
vegetation
characteristics,
energy
savings.
An
experimental
study
was
conducted
on
two
types
roofs:
extensive
intensive,
across
three
cities
with
varied
climatic
conditions.
Results
showed
that
could
reduce
surface
temperature
up
5°C,
resulting
significant
reductions
building
cooling
demands.
concludes
roofs,
particularly
systems,
offer
viable
solution
for
while
providing
additional
ecological
economic
benefits.
npj Urban Sustainability,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: April 22, 2024
Abstract
A
growing
number
of
Nature-based
Solutions
(NbS)
has
been
advocated
for
urban
flood
risk
management
(FRM).
However,
whether
NbS
FRM
(NbS-FRM)
achieves
both
social
and
ecological
co-benefits
remains
largely
unknown.
We
here
propose
use
a
conceptual
framework
with
coupled
social-ecological
perspective
to
explore
identify
such
“win-win”
potential
in
NbS-FRM.
Through
scoping-review
we
find
that
measures
are
unevenly
distributed
around
the
world,
those
solely
targeting
mitigation
may
have
unintended
negative
consequences
society
ecosystems.
In
elaborating
this
evidence
from
reviewed
studies,
NbS-FRM
provide
co-benefits,
remaining
gaps
including
lack
resilience
thinking,
inadequate
consideration
environmental
changes,
limited
collaborative
efforts
manage
trade-offs.
The
proposed
shows
how
move
forward
leverage
equitable
sustainable
improved
human
well-being
ecosystem
health.
Sustainable Cities and Society,
Journal Year:
2024,
Volume and Issue:
105, P. 105302 - 105302
Published: Feb. 26, 2024
Future
urban
planning
requires
context-specific
integration
of
spatial
design
and
microclimate
especially
for
tropical
cities
with
extreme
weather
conditions.
Thus,
we
propose
a
Combined
Spatial-Climatic
Design
approach
to
assess
impact
densification
on
annual
outdoor
thermal
comfort
performance
employing
ENVI-met
simulations
Singapore.
We
first
consider
building
bylaws
residential
site
guidelines
develop
eight
urban-density
options
target
population
range.
further
classify
data
into
seven
weather-types
use
them
as
boundary
conditions
the
simulations.
Comparing
such
fifty-six
combined
spatial-climatic
simulation
outputs
by
analyzing
Outdoor
Thermal
Comfort
Autonomy,
report
influence
geometry
is
nominal
air
temperatures
but
significant
mean
radiant
physiological
equivalent
temperatures.
Neighborhoods
taller
(20%
increase
in
height)
buildings
narrower
footprints
exhibit
better
compared
short
wider
(12-58%
decrease
width)
buildings,
due
less
radiative
heat
gain
during
solar
noon.
For
high
density
context,
like
Singapore
sun
angle
radiation,
mutual
shading
presence
wind
enhances
comfort.
Results
provide
useful
actionable
recommendations
ideal
profile
responsive
neighborhoods
low-latitude
hot-humid
similar
Building and Environment,
Journal Year:
2023,
Volume and Issue:
246, P. 110965 - 110965
Published: Oct. 23, 2023
'Green
Our
Rooftop'
aims
to
transform
the
rooftop
of
Treasury
Place,
a
state
government
building
in
inner
city
Melbourne,
into
an
intensive
green
roof
under
notion
'Garden
Victorian
Landscapes'.
The
concept
behind
innovative
design
is
break
down
perceived
barriers
retrofitting,
limit
global
temperature
rise
and
help
cool
by
advocating
modifications
urban
infrastructure
(e.g.
greening
projects).
This
study
quantified
cooling
effect
complex
Place
(which
characterised
diverse
range
plant
types
topographies)
using
ENVI-met
assess
air
outdoor
thermal
comfort
at
pedestrian
levels.
After
verification
through
field
measurements,
also
investigated
how
adjustments
roof's
settings
leaf
area
index
[LAI],
height,
soil
moisture
additional
coverage)
can
further
improve
performance.
findings
from
our
indicate
that
implemented
configuration
effectively
lowered
temperatures
level
1.5
°C,
simultaneously
enhancing
2.38
°C
during
hot
summer
days.
optimum
performance
was
achieved
when
levels
were
set
0.6,
height
LAI
2.5.
statistical
analysis
indicates
all
these
scenarios
exhibited
equivalent
benefits.
Thus,
holistic
approach
optimizing
LAI,
moisture,
tree
coverage
combined
essential
maximize
impact
integrating
roofs
future
developments
areas.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(5), P. 1881 - 1881
Published: Feb. 25, 2024
It
is
evident
that,
due
to
population
growth,
future
urbanization
and
urban
growth
are
inevitable.
estimated
that
the
food
supply
demand
of
centers
will
grow,
which
place
an
additional
burden
on
agriculture
sector
produce
more
food.
projected
securing
chain
for
be
a
challenge.
Urban
can
regarded
as
remedy
possible
challenges
global
system
face.
might
able
reduce
sector.
This
research
proposes
rooftop
agriculture,
subset
local
fresh
in
dense
environments.
The
principal
aim
this
suggest
series
design
recommendations
architects
interested
designing
residential
buildings
capable
production.
attempts
highlight
specific
limitations
regarding
farms.
To
extract
data
developing
proposed
limitations,
review
literature
within
fields
building-integrated
horticulture
was
conducted.
Based
results,
suggests
following
three
types
farming
methods
developed
rooftops:
(1)
open-air
production,
(2)
“low-tech”
greenhouses,
(3)
“high-tech”
greenhouses.
In
addition,
factors
considered
suggested.
sum,
current
designed
so
their
rooftops
utilized
way,
such
contribute
delivering
metropolitan
dwellers.
Environmental Research Communications,
Journal Year:
2024,
Volume and Issue:
6(2), P. 025010 - 025010
Published: Feb. 1, 2024
Abstract
The
potential
impact
of
greening
on
improving
thermal
environments
is
widely
recognized.
However,
few
studies
have
comprehensively
evaluated
the
influence
different
forms
greening,
such
as
various
tree
crown
widths,
green
facades,
roofs,
and
their
combinations,
both
outdoor
indoor
environments.
In
this
study,
we
conducted
an
extensive
investigation
within
a
residential
precinct
at
Guangzhou
University
by
combining
on-site
measurements
numerical
simulations
with
ENVI-met
model.
Physiologically
Equivalent
Temperature
(PET)
Humidity
Index
(THI)
were
used
to
assess
comfort.
results
indicated
that
planting
trees
had
greater
environment
than
facades
effect
increased
width
trees,
maximum
reduction
4.8
°C
(0.2
°C)
in
PET
(THI).
Green
can
bring
change
up
101.9
W
m
−2
sensible
heat
flux,
resulting
1.8
Ta
(air
temperature).
Conversely,
roofs
composed
grass
exhibit
minimal
effects
Finally,
provide
recommendations
for
construction
renovation
projects
areas,
focus
hot-humid
areas.
Ambiente Construído,
Journal Year:
2025,
Volume and Issue:
25
Published: Jan. 1, 2025
Resumo
Sistemas
de
telhados
verdes
são
práticas
sustentáveis
para
reduzir
efeitos
adversos
da
urbanização
em
áreas
densas,
pois
mitigam
ilhas
calor
urbano,
retém
águas
pluviais
e
reduzem
seu
pico
fluxo
escoamento,
melhoram
a
qualidade
do
ar
absorvem
emissões
sonoras,
aumentam
eficiência
térmica
proporcionam
um
efeito
estético
agradável.
Países
como
Alemanha,
França,
China,
EUA,
Canadá
Japão
incentivam
instalação
tecnologia
novas
edificações
ou
pela
adaptação
existentes.
Contudo,
uso
é
pouco
difundido
muitos
países
regiões
desenvolvimento,
no
Brasil.
Esta
pesquisa
visa,
por
meio
revisão
literatura
internacional,
analisar
as
causas
que
podem
dificultar
adoção
dos
assim
subsidiar
discussão
sobre
sua
aplicação
brasileiras,
partir
das
experiências
observadas
outros
países.
A
utilizou
parte
metodologia
Proknow-C
revelou
19
grandes
obstáculos
à
implantação
verdes,
divididos
4
grupos:
(1)
barreiras
ligadas
aspectos
técnicos;
(2)
natureza
econômica;
(3)
alusivas
pouca
disseminação
conhecimento
o
assunto
(4)
abordagem
ambiental.
