Journal of Landscape Ecology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 25, 2024
Abstract
Thermal
environment
and
land
use
status
are
the
two
controlling
factors
for
determining
ecological
health
of
any
urban
area.
The
study
aims
to
investigates
stability
relationship
between
surface
temperature
with
normalized
difference
built-up
index
in
Hyderabad
City,
India
using
eight
Landsat
8
data
summer
season
2023.
applies
Pearson’s
method
correlation
coefficient
this
relationship.
results
represent
a
consistent
nature
values
as
range
mean
(0.08
6.78
o
C
temperature)
standard
deviation
(0.02
0.79
significantly
low.
Land
very
stable
(correlation
=
>
0.63
images
0.50
images).
Moreover,
also
built
strong
positive
(average
=0.64)
temperature.
affects
vegetation
life
city
influences
index.
Built-up
leads
an
increase
value
regulates
is
useful
environmental
planning.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Авг. 13, 2024
Over
the
past
two
and
a
half
decades,
rapid
urbanization
has
led
to
significant
land
use
cover
(LULC)
changes
in
Kabul
province,
Afghanistan.
To
assess
impact
of
LULC
on
surface
temperature
(LST),
province
was
divided
into
four
classes
applying
Support
Vector
Machine
(SVM)
algorithm
using
Landsat
satellite
images
from
1998
2022.
The
LST
assessed
data
thermal
band.
Cellular
Automata-Logistic
Regression
(CA-LR)
model
applied
predict
future
patterns
for
2034
2046.
Results
showed
classes,
as
built-up
areas
increased
about
9.37%,
while
bare
soil
vegetation
decreased
7.20%
2.35%,
respectively,
analysis
annual
revealed
that
highest
mean
LST,
followed
by
vegetation.
simulation
results
indicate
an
expected
increase
17.08%
23.10%
2046,
compared
11.23%
Similarly,
indicated
area
experiencing
class
(≥
32
°C)
is
27.01%
43.05%
11.21%
increases
considerably
decreases,
revealing
direct
link
between
rising
temperatures.
Remote Sensing,
Год журнала:
2024,
Номер
16(3), С. 454 - 454
Опубликована: Янв. 24, 2024
The
pressing
issue
of
global
warming
is
particularly
evident
in
urban
areas,
where
thermal
islands
amplify
the
effect.
Understanding
land
surface
temperature
(LST)
changes
crucial
mitigating
and
adapting
to
effect
heat
islands,
ultimately
addressing
broader
challenge
warming.
This
study
estimates
LST
city
Yazd,
Iran,
field
high-resolution
image
data
are
scarce.
assessed
through
parameters
(indices)
available
from
Landsat-8
satellite
images
for
two
contrasting
seasons—winter
summer
2019
2020,
then
it
estimated
2021.
modeled
using
six
machine
learning
algorithms
implemented
R
software
(version
4.0.2).
accuracy
models
measured
root
mean
square
error
(RMSE),
absolute
(MAE),
logarithmic
(RMSLE),
standard
deviation
different
performance
indicators.
results
show
that
gradient
boosting
model
(GBM)
algorithm
most
accurate
estimating
LST.
albedo
NDVI
features
with
greatest
impact
on
both
(with
80.3%
11.27%
importance)
winter
72.74%
17.21%
importance).
2021
showed
acceptable
seasons.
GBM
each
seasons
useful
modeling
based
learning,
support
decision-making
related
spatial
variations
temperatures.
method
developed
can
help
better
understand
island
mitigation
strategies
improve
human
well-being
enhance
resilience
climate
change.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 24, 2025
The
increasing
trend
in
land
surface
temperature
(LST)
and
the
formation
of
urban
heat
islands
(UHIs)
has
emerged
as
a
persistent
challenge
for
planners
decision-makers.
current
research
was
carried
out
to
study
use
cover
(LULC)
changes
associated
LST
patterns
planned
city
(Kabul)
unplanned
(Jalalabad),
Afghanistan,
using
Support
Vector
Machine
(SVM)
Landsat
data
from
1998
2018.
Future
LULC
were
predicted
2028
2038
Cellular
Automata-Markov
(CA-Markov)
Artificial
Neural
Network
(ANN)
models.
results
clearly
emphasize
different
between
Kabul
Jalalabad.
Between
2018,
built-up
areas
Jalalabad
increased
by
16%
30%,
respectively,
while
bare
soil
vegetation
decreased
15%
1%
4%
30%
showed
highest
seasonal
annual
LST,
followed
vegetation.
maximum
occurred
during
summer
both
cities
predictions
that
(48%
55%
2018)
will
increase
approximately
59%
68%
79%
Jalalabad,
respectively.
Similarly,
simulations
percentage
with
higher
(>
35°C)
would
(0%
5%
22%
43%
2038,
Kabul's
shows
lower
than
Jalalabad's
city,
primarily
due
urbanization
greater
center.
Urban
should
limit
development
reduce
potential
impacts
high
temperatures.
Environmental Monitoring and Assessment,
Год журнала:
2025,
Номер
197(2)
Опубликована: Янв. 3, 2025
Abstract
In
recent
decades,
global
climate
change
and
rapid
urbanization
have
aggravated
the
urban
heat
island
(UHI)
effect,
affecting
well-being
of
citizens.
Although
this
significant
phenomenon
is
more
pronounced
in
larger
metropolitan
areas
due
to
extensive
impervious
surfaces,
small-
medium-sized
cities
also
experience
UHI
effects,
yet
research
on
these
rare,
emphasizing
importance
land
surface
temperature
(LST)
as
a
key
parameter
for
studying
dynamics.
Therefore,
paper
focuses
evaluation
LST
cover
(LC)
changes
city
Prešov,
Slovakia,
typical
European
that
has
recently
undergone
LC
changes.
study,
we
use
relationship
between
Landsat-8/Landsat-9-derived
spectral
indices
Normalized
Difference
Built-Up
Index
(NDBI),
Vegetation
(NDVI),
Water
(NDWI)
derived
from
Landsat-8/Landsat-9
Sentinel-2
downscale
10
m.
Two
machine
learning
(ML)
algorithms,
support
vector
(SVM)
random
forest
(RF),
are
used
assess
image
classification
identify
how
different
types
selected
years
2017,
2019,
2023
affect
pattern
LST.
The
results
show
several
decisions
made
during
last
decade,
such
construction
new
fabrics
roads,
caused
increase
evaluation,
based
RF
algorithm,
achieved
overall
accuracies
93.2%
89.6%
91.5%
2023,
outperforming
SVM
by
0.8%
2017
4.3%
2023.
This
approach
identifies
UHI-prone
with
higher
spatial
resolution,
helping
planning
mitigate
negative
effects
increasing
LSTs.
Sensors,
Год журнала:
2025,
Номер
25(4), С. 1169 - 1169
Опубликована: Фев. 14, 2025
This
study
introduces
an
innovative
machine
learning
method
to
model
the
spatial
variation
of
land
surface
temperature
(LST)
with
a
focus
on
urban
center
Da
Nang,
Vietnam.
Light
Gradient
Boosting
Machine
(LightGBM),
support
vector
machine,
random
forest,
and
Deep
Neural
Network
are
employed
establish
functional
relationships
between
LST
its
influencing
factors.
The
approaches
trained
validated
using
remote
sensing
data
from
2014,
2019,
2024.
Various
explanatory
variables
representing
topographical
characteristics,
as
well
landscapes,
used.
Experimental
results
show
that
LightGBM
outperforms
other
benchmark
methods.
In
addition,
Shapley
Additive
Explanations
utilized
clarify
impact
factors
affecting
LST.
analysis
outcomes
indicate
while
importance
these
changes
over
time,
density
greenspace
consistently
emerge
most
influential
attained
R2
values
0.85,
0.92,
0.91
for
years
2024,
respectively.
findings
this
work
can
be
helpful
deeper
understanding
heat
stress
dynamics
facilitate
planning.