Sustainability,
Journal Year:
2024,
Volume and Issue:
16(2), P. 791 - 791
Published: Jan. 17, 2024
The
growing
importance
of
climate
change
underlines
the
need
to
comprehend
Urban
Heat
Islands
(UHI),
particularly
those
influenced
by
urban
morphology.
As
progress
has
been
made
in
understanding
macroscale
relationship
between
morphology
and
UHIs,
microscale
effects
are
often
overlooked.
This
study,
conducted
city
Erzurum
Turkey,
delves
into
complex
UHI
intensity
different
housing
areas
with
distinct
microclimates,
focusing
on
street
networks,
building
systems,
land
use.
Pearson
correlation
analysis
was
performed
investigate
relationships
morphological
indicators
UHIs
areas.
Key
findings
include
that
(1)
noticeable
were
observed,
especially
dense
high-rise
buildings.
(2)
reveal
a
strong
both
2D
3D
indicators.
A
moderate-to-high
Sky
View
Factor
(SVF)
tends
reduce
while
an
extremely
high
SVF
aggravates
UHIs.
(3)
Enhancing
network
integration
emerges
as
more
effective
strategy
for
mitigating
mid-rise
buildings
compared
other
factors.
Normalised
Difference
Built-Up
Index
(NDBI)
Vegetation
(NDVI)
may
not
reliably
indicate
predominantly
rural
character.
Consequently,
this
article
recommends
optimisation
mitigation
should
prioritise
spatial
indicator
specificity
design
planning
cities.
Future
research
endeavours
influence
dynamics
seasons,
including
various
remote
sensing
related
structure,
enrich
our
daily
fluctuations
within
research.
Humanities and Social Sciences Communications,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: Oct. 10, 2023
Abstract
Urban
parks
can
effectively
reduce
surface
temperatures,
which
is
an
important
strategic
approach
to
reducing
the
urban
heat
island
effect.
Quantifying
cooling
effect
of
and
identifying
their
main
internal
influencing
factors
for
improving
thermal
environment,
achieving
maximum
benefits,
sustainability.
In
this
study,
we
extracted
data
frobut
often
unrealisticm
28
in
Zhengzhou,
China.
We
combined
multivariate
data,
such
as
Landsat
8
retrieve
land
temperature
(LST),
extract
park
interior
landscape,
quantify
using
three
indices:
distance
(
L
∆max
),
difference
magnitude
(∆
T
max
gradient
G
temp
).
Furthermore,
relationship
between
landscape
characteristics
average
LST
indices
was
analyzed.
The
results
showed
that
different
buffer
ranges
affect
LST-distance
fitting
parks,
a
300-m
zone
optimal
interval.
However,
specific
should
be
analyzed
select
range
index
calculation
errors.
Additionally,
mean
values
LST,
∆
,
Zhengzhou
were
34.11,
3.22
°C,
194.02
m,
1.78
°C/hm,
respectively.
Park
perimeter
(PP),
area,
green
area
(GA),
shape
(LSI)
both
significantly
correlated
with
associated
maintaining
low
parks.
mainly
affected
by
GA,
LSI,
perimeter-area
ratio,
whereas
positively
PP.
Finally,
threshold
value
efficiency
0.83
ha,
comprehensive
every
aspect.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
150, P. 110221 - 110221
Published: April 8, 2023
The
global
climate
warming
caused
by
urbanization
has
significantly
affected
the
urban
environment.
Whilst
land
surface
temperature
(LST)
is
an
important
factor
reflecting
temperature,
previous
research
on
LST
mostly
focused
two-dimensional
(2D)
factors
and
rarely
mentioned
about
role
of
three-dimensional
(3D)
factors,
particularly
variation
characteristics
island
cities.
Therefore,
this
study
examined
seasonal
analyzing
impact
2D
3D
morphology
different
block
types
in
Xiamen
Island.
main
results
are
as
follows.
First,
compact
low
layer
(CL),
a
type
with
higher
density
low-rise
buildings,
any
season.
Under
same
(BD),
average
height
(BH),
lower
LST.
Second,
among
normalized
difference
vegetation
index
(NDVI)
was
for
cities
to
reduce
LST,
especially
summer,
while
built-up
(NDBI)
opposite.
Different
from
cities,
we
found
positive
correlation
between
modified
water
body
(MNDWI)
autumn
winter.
Third,
sky
view
(SVF)
positively
correlated
building
fluctuation
(BF)
negatively
correlated.
SVF,
worse
radiation
shielding
effect
buildings.
On
contrary,
BF,
undulation,
better
shielding.
These
findings
should
provide
some
quantitative
insights
future
construction
planning
which
can
be
used
improve
thermal
environment
support
sustainable
development
