Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(17), P. 3206 - 3206
Published: Aug. 30, 2024
The
surface
urban
heat
island
(SUHI)
phenomenon
has
become
increasingly
severe
due
to
the
combined
effects
of
global
warming
and
rapid
expansion,
difference
between
rural
thermal
environments
increased
significantly.
This
trend
profound
impacts
on
social,
economic,
ecological
environments.
Research
related
SUHI
achieved
fruitful
results;
however,
quantitative
research
methods
for
have
not
been
unified
with
standards
systems,
which
will
certainly
affect
comparability
results
research.
Few
studies
compared
multiple
methods.
Therefore,
we
designed
a
study
Yangtze
River
Delta
(YRD)
agglomeration
as
test
case
quantitatively
analyze
differences
in
different
contexts
based
five
It
was
found
that
(1)
there
were
significant
intensity
among
maximum
obtained
by
can
be
up
6
°C.
lowest
observed
during
day
urban–buffer
method,
at
night
urban–water
method.
(2)
Different
affected
distribution
areas
their
evolutionary
characteristics.
NHI
(no
island),
WCI
(weak
cold
WHI
island)
zones
larger,
proportions
exceeding
70%.
expansion
range
zone
daytime
mainly
west
north
YRD
agglomeration,
whereas
concentrated
center
south.
(3)
changes
using
significantly
different.
When
applied
municipal–nonmunicipal
methods,
most
cities
showed
an
upward
trend.
However,
when
other
applied,
exhibited
downward
owing
choice
greater
respect
values
summer
months
smaller
winter
months.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
161, P. 111972 - 111972
Published: April 1, 2024
Urban
form
has
been
confirmed
to
be
a
contributor
the
Heat
Island
(UHI)
effect
in
metropolitan
areas,
but
few
studies
have
focused
relationship
fast-growing
small
cities
through
LCZs
approach.
How
Local
Climate
Zones
(LCZs)
distributes
and
whether
correlations
between
UHI
intensity
(UHII)
urban
differ
cites
large
remain
studied.
This
study
mapped
analyzed
UHII
Yangling,
city
China
using
GIS-based
method.
The
results
showed:
(1)
37
%
of
area
contained
"High"
"Very
High"
UHII,
mainly
areas
with
high
building
density
expansive
impervious
surfaces.
maximum
Yangling
was
below
40
°C,
which
lower
than
that
many
cities.
In
addition,
scattered
formed
small-scale
cluster
different
from
where
large-scale
agglomeration
areas.
(2)
Unlike
previous
findings
megacities,
open
Low-rise
(LCZ6)
most
prevalent
LCZ
Yangling.
(3)
build-up
(2.01
°C)
significantly
higher
those
natural
types
(-0.61
°C),
compact
(LCZ1-3)
(LCZ4-6).
(4)
Natural
factors
were
negatively
correlated
whereas
positively
on
greater
factors.
These
will
help
climate
researchers
planners
better
understand
apply
this
knowledge
build
more
comfortable
thermal
environment.
iScience,
Journal Year:
2024,
Volume and Issue:
27(3), P. 109110 - 109110
Published: Feb. 5, 2024
Increasing
urbanization
exacerbates
surface
energy
balance
perturbations
and
the
health
risks
of
climate
warming;
however,
it
has
not
been
determined
whether
urban-induced
warming
attributions
vary
from
local,
regional,
to
global
scale.
Here,
local
urban
heat
island
(SUHI)
is
evidenced
manifest
with
an
annual
daily
mean
intensity
0.99°C–1.10°C
during
2003–2018
using
satellite
observations
over
536
cities
worldwide.
Spatiotemporal
patterns
mechanisms
SUHI
tightly
link
climate-vegetation
conditions,
regional
effect
reaching
up
0.015°C–0.138°C
(annual
average)
due
alterations.
Globally,
footprint
1,860
approximates
1%
terrestrial
lands,
about
1.8–2.9
times
far
beyond
impervious
areas,
suggesting
enlargements
imprint
scales.
With
continuous
development
urbanization,
implications
for
SUHI-added
scaling
effects
are
considerably
important
on
accelerating
warming.
Environmental Research Letters,
Journal Year:
2024,
Volume and Issue:
19(5), P. 054004 - 054004
Published: April 4, 2024
Increasing
temperatures
and
more
frequent
heatwave
events
pose
threats
to
population
health,
particularly
in
urban
environments
due
the
heat
island
(UHI)
effect.
Greening,
particular
planting
trees,
is
widely
discussed
as
a
means
of
reducing
exposure
associated
mortality
cities.
This
study
aims
use
data
from
personal
weather
stations
(PWS)
across
Greater
London
Authority
understand
how
vary
according
tree
canopy
coverage
estimate
heat-health
impacts
London's
trees.
Data
Netatmo
PWS
2015-2022
were
cleaned,
combined
with
official
Met
Office
temperatures,
spatially
linked
built
environment
data.
A
generalized
additive
model
was
used
predict
daily
average
under
different
scenarios
for
historical
projected
future
summers,
subsequent
health
estimated.
Results
show
areas
higher
have
lower
maximum
daytime
0.8
°C
minimum
2.0
top
decile
versus
bottom
during
2022
heatwaves.
We
that
forest
helped
avoid
153
attributable
deaths
(including
16
excess
heatwaves),
representing
around
16%
UHI-related
mortality.
10%
in-line
strategy
would
reduced
by
further
10%,
while
maximal
it
55%.
By
2061-2080,
RCP8.5,
we
current
can
help
an
additional
23
heat-attributable
year,
increasing
this
131.
Substantial
benefits
also
be
seen
carbon
storage
sequestration.
support
part
wider
public
effort
mitigate
high
temperatures.
