Atmosphere,
Год журнала:
2023,
Номер
14(5), С. 857 - 857
Опубликована: Май 11, 2023
In
recent
years,
the
impact
of
surface
heat
islands
in
urban
street
canyons
has
become
increasingly
apparent.
However,
research
on
use
trees
to
mitigate
remains
limited.
To
address
this
gap,
study
combines
experiments
and
simulations
analyze
cooling
effect
temperatures
under
varying
timeframes
layouts
an
east–west
canyon.
The
results
reveal
that
temperature
road
decreases
by
10–15
°C,
which
is
2–4
times
greater
than
south
side.
Moreover,
at
5:00
p.m.
afternoon,
side
10.3
twice
north
practical
planning
design,
diameter
tree
canopy
should
be
maximized,
with
leaf-area
densities
1.5
m2/m3
selected.
Additionally,
layout
optimized
maximize
coverage.
These
findings
have
important
implications
for
optimizing
plant
selection
placement
canyons.
Journal of Urban Planning and Development,
Год журнала:
2024,
Номер
150(2)
Опубликована: Янв. 17, 2024
The
surface
urban
heat
island
(SUHI)
phenomenon,
predominantly
influenced
by
factors
associated
with
the
built-up
environment,
is
prominent
in
large
metropolitan
areas.
To
effectively
mitigate
escalating
thermal
environment
challenges
arising
during
cities'
developmental
planning,
rigorously
examining
spatial
interdependencies
between
and
SUHI
phenomenon
imperative.
Employing
Beijing's
primary
area
as
a
case
study,
this
research
addresses
gap
systematic
analysis
of
correlations
within
effect
domain.
study
leverages
Landsat-8
satellite
data
spanning
2016–2020,
Sentinel-2
land-use
classification
data,
2020
digital
elevation
model
(DEM)
integrating
them
geospatial
processing
techniques
to
probe
multifaceted
associations
1
×
1-km
grid-based
local-scale
model.
This
investigation
distinguished
developing
Comprehensive
Built-up
Environment
System
Index,
synthesized
through
multisource
multidimensional
methodologies.
culminates
following
key
findings:
(1)
Between
2016
2020,
manifested
an
ascending
spiral
trend
effect,
morphology
exhibiting
nonuniformity
across
four
seasons.
(2)
In
historical
summer
scenarios
area,
architectural
roadway
environments
demonstrated
consistently
positive
correlation
effect.
(3)
Excluding
average
number
floors
parameter,
all
remaining
parameters
exhibited
significant
association
fluctuations.
Atmosphere,
Год журнала:
2023,
Номер
14(5), С. 857 - 857
Опубликована: Май 11, 2023
In
recent
years,
the
impact
of
surface
heat
islands
in
urban
street
canyons
has
become
increasingly
apparent.
However,
research
on
use
trees
to
mitigate
remains
limited.
To
address
this
gap,
study
combines
experiments
and
simulations
analyze
cooling
effect
temperatures
under
varying
timeframes
layouts
an
east–west
canyon.
The
results
reveal
that
temperature
road
decreases
by
10–15
°C,
which
is
2–4
times
greater
than
south
side.
Moreover,
at
5:00
p.m.
afternoon,
side
10.3
twice
north
practical
planning
design,
diameter
tree
canopy
should
be
maximized,
with
leaf-area
densities
1.5
m2/m3
selected.
Additionally,
layout
optimized
maximize
coverage.
These
findings
have
important
implications
for
optimizing
plant
selection
placement
canyons.
