IOP Conference Series Earth and Environmental Science,
Год журнала:
2023,
Номер
1264(1), С. 012044 - 012044
Опубликована: Ноя. 1, 2023
Abstract
Urbanization,
followed
by
reduced
green
space,
often
leads
to
increased
land
surface
temperatures
(LST),
which
is
also
known
as
the
urban
heat
island
(UHI)
effect.
Urban
cooling
ecosystem
services
provided
forests
and
parks
play
a
crucial
role
in
reducing
UHI
effect
(which
reflected
LST)
improving
liveability
sustainability
of
cities.
The
pandemic
has
changed
many
people’s
views
about
importance
their
well-being.
post-pandemic
era
turning
point
for
infrastructure
environmental
improvements
increase
services’
benefits.
This
study
aims
look
at
potential
increasing
benefits
through
provision
based
on
conditions
Surakarta
city.
In
this
study,
was
identified
from
LST
Landsat
8
9
remote
sensing
images.
spatial
pattern
analyzed
block
units
using
road
boundaries
cluster
outlier
statistical
analysis.
formulating
alternatives
provide
parks,
we
interviewed
stakeholders
village
revitalization
program
Kampung
Mojo,
results
show
that
after
pandemic,
revitalized
neighborhood,
temperature
still
high.
did
not
include
because
basic
issue
ownership
legality.
Nevertheless,
provides
evidence
needed
central
southern
sides
city
enhance
services.
Sustainable Cities and Society,
Год журнала:
2023,
Номер
98, С. 104833 - 104833
Опубликована: Июль 30, 2023
Extreme
heat
exposure
at
the
regional
scale
is
warranted
for
special
attention
due
to
changing
global
climate
yet
notable
disparities
in
effect
of
warming.
NASA's
latest
ECOSTRESS
mission
generates
LST
images
with
a
swath
width
about
400
km
and
70-m
resolution
varying
times
day/night
provides
new
opportunity
SUHI
studies.
Here
we
demonstrated
capability
data
studying
spatiotemporal
variations
over
an
urban
agglomeration
that
centers
on
megacity,
Xi'an,
Northwest
China
includes
cities
various
sizes
geographical
economic
settings.
Our
results
revealed
unequal
exposures
different-sized
effects
diurnal
cycle,
maximum
value
10
°C.
Meanwhile,
inter-city
showed
higher
spatial
variability
late
morning,
midday,
early
afternoon
than
evening,
midnight,
morning.
Urban
vegetation
percent
imperviousness
can
regulate
each
city,
impact
varied
across
or
different
times.
The
findings
have
implications
assessing
extreme
cities,
enlightening
mitigation
strategies,
informing
future
sustainability.
IOP Conference Series Earth and Environmental Science,
Год журнала:
2025,
Номер
1444(1), С. 012014 - 012014
Опубликована: Янв. 1, 2025
Abstract
Numerous
studies
have
tested
the
relationship
between
vegetation
density
(using
normalized
difference
index/NDVI
as
a
proxy
for
density)
and
land
surface
temperature
(LST)
using
linear
regression
model.
Few
explicitly
compared
nonlinear
models
in
describing
NDVI
LST
different
intensities
of
anthropogenic
activities.
Hence,
this
study
aims
to
investigate
multitemporal
variations
compare
performance
over
various
urban
activities
Yogyakarta
City,
Indonesia.
were
extracted
from
Landsat
images
2019,
2020,
2021,
2022.
The
years
2022
represent
i.e.
pre
Covid-19,
emergency
response
transition
period
new
normal
conditions,
respectively.
mean
29.64
°C,
24.52
28.93
29.47
respectively,
which
lowest
was
during
Covid-19.
During
Covid-19
highest
R
2
non-linear
logarithmic
by
0.31,
while
exponential
0.36,
0.45,
0.56,
However,
still
relatively
good
at
whole
having
0.30
0.55.
Sustainability,
Год журнала:
2024,
Номер
16(2), С. 486 - 486
Опубликована: Янв. 5, 2024
Increases
in
land
surface
temperature
(LST)
and
the
urban
heat
island
effect
have
become
major
challenges
process
of
development.
However,
few
studies
examined
variations
LST
between
different
agglomerations
(UAs).
Based
on
MODIS
data,
we
quantitatively
analyzed
spatial
temporal
evolution
patterns
three
UAs
China
from
2000
to
2020—Beijing–Tianjin–Hebei
(BTH)
at
national
level,
Shandong
Peninsula
(SP)
regional
Central
Shanxi
(CS)
city
level—by
employing
agglomeration
built-up
area
intensity
(UABI),
linear
regression
analyses,
geodetic
detector
models.
The
results
showed
following:
(1)
pattern
BTH
was
most
regularized;
SP
gradually
evolved
“two
points”
“a
single
branch”;
CS
easily
influenced
by
neighboring
big
cities.
(2)
best-fitting
coefficients
for
BTH,
SP,
were
R2BTH
=
0.58,
R2SP
0.66,
R2CS
respectively;
every
10%
increase
UABI
warmed
LSTs
1.47
°C,
1.27
1.83
respectively.
(3)
ranking
single-factor
influence
DEM
(digital
elevation
model)
>
NDVI
T2m
(air
2
m)
POP
(population).
interacting
with
had
strongest
warming
LST,
maximum
value
q(UABI
∩
DEM)
0.951.
All
factor
interactions
an
enhancement
CS,
but
factors
a
weaker
which
q(NDVI
POP)
0.265
q(T2m
0.261.
As
development
matures,
interaction
might
cooling
environment
certain
degree.
Sustainability,
Год журнала:
2024,
Номер
16(15), С. 6656 - 6656
Опубликована: Авг. 3, 2024
With
the
continuous
development
of
cities,
surface
urban
heat
island
intensity
(SUHII)
is
increasing,
leading
to
deterioration
thermal
environment,
increasing
energy
consumption,
and
endangering
health
residents.
Understanding
spatio-temporal
scale
difference
gradient
effect
spatial
patterns
on
impact
SUHII
crucial
for
improving
climate
resilience
cities
promoting
sustainable
development.
This
paper
investigated
characteristics
changes
at
different
time
periods
based
local
zones
(LCZs)
downscaled
land
temperature
(LST)
data.
Meanwhile,
landscape
pattern
indicators
multiscale
geographically
weighted
regression
(MGWR)
model
were
utilized
analyze
impacts
multiple
spatial–temporal
scales.
The
results
indicated
that
each
LCZ
type
exhibited
diverse
in
periods.
High
occurred
summer
daytime
autumn
nighttime.
Compact
high-rise
buildings
(LCZ1/2/4)
showed
markedly
higher
during
or
nighttime,
except
heavy
industry.
extent
influence
dominant
factors
exhibit
obvious
differences
effects.
At
regional
scale,
highly
regular
compacted
built-up
areas
tended
increase
SUHII,
while
single
continuously
distributed
had
a
greater
SUHII.
PLAND
(1/2/4/5/10)
trend
diminishing
from
suburban
areas.
In
areas,
1,
2,
LCZ4
was
major
factor
affecting
whereas,
2
10
influencing
can
provide
scientific
reference
mitigating
effects
constructing
an
ecologically
‘designed’
city.
