Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Сен. 27, 2024
The
urban
functional
zone,
serving
as
a
bridge
to
understanding
the
complex
interactions
between
human
spatial
activities
and
surface
thermal
environmental
changes,
explores
driving
force
information
of
its
internal
temperature
which
is
crucial
for
improving
environment.
However,
impacts
current
zones
on
environment,
based
delineation
activities,
have
yet
be
sufficiently
investigated.
To
address
issue,
we
constructed
two-factor
weighted
dominant
function
vector
model
“population
heat—land
use
scale”
identify
zones.
This
multisource
data
considers
perspective
supply
demand
matching.
We
then
analyzed
differentiation
factors
relationship
environment
using
random
forest
algorithm,
bivariate
autocorrelation,
geographical
detectors,
geographically
regression
models.
results
showed
that
there
are
significant
differences
in
Land
Surface
Temperature
among
different
central
area
Lanzhou.
Among
these,
life
service
zone
has
greatest
impact
followed
by
industrial
catering
while
green
space
least
impact.
exhibits
high-high
clusters
localized
clustering
patterns
with
service,
industrial,
residential
In
contrast,
it
tends
exhibit
low-high
spaces.
Significant
dependence
exist
various
land
cover
types
characterized
Normalized
Difference
Bare
Building
Index,
vegetation
coverage
represented
Fraction
Vegetation
Cover,
density
indicated
Industrial
POI
Kernel
Density
Index
main
drivers
Lanzhou,
all
heterogeneity.
iScience,
Год журнала:
2024,
Номер
27(3), С. 108863 - 108863
Опубликована: Янв. 11, 2024
The
background
climatic
conditions
and
urban
morphology
greatly
influence
heat
island
effects
(UHIs),
but
one-size-fits-all
solutions
are
frequently
employed
to
mitigate
UHIs.
Here,
attribution
models
for
surface
UHIs
(SUHIs)
canopy
(CUHIs)
were
developed
describe
UHI
formation.
contribution
of
factors
SUHIs
CUHIs
shows
similar
dependencies
on
climate
morphology.
Furthermore,
the
that
mainly
contributed
more
complex,
anthropogenic
was
critical
factor.
Influence
from
also
highlights
there
is
no
one-size-fit-all
solution
mitigation
at
neighborhood.
In
particular,
maintaining
a
low
building
density
should
be
prioritized,
especially
mitigating
CUHIs.
Moreover,
it
effective
prioritize
irrigation
maintenance
over
increasing
green
cover
in
arid
regions
opposite
humid
regions.
work
can
provide
scientific
evidence
support
developing
general
regional
guidelines
mitigation.
Geophysical Research Letters,
Год журнала:
2024,
Номер
51(1)
Опубликована: Янв. 4, 2024
Abstract
Taking
the
megacity
of
Beijing
as
an
example,
a
short‐time
Fourier
transform
(STFT)
method
was
employed
to
extract
multi‐timescale
evolution
pattern
canopy
urban
heat
island
intensity
(CUHII)
during
2000–2020.
The
STFT
CUHII
showed
close
relationship
between
in
and
background
meteorological
forcing
at
intra‐annual,
weather
intra‐daily
scales.
intra‐annual‐scale
spectrum
exhibited
increasing
trend
with
obvious
seasonal
variation
(CUHI).
intra‐daily‐scale
nighttime
CUHI
developing
faster.
Increasing
Western
Pacific
Subtropical
High
can
enhance
diurnal
fluctuations
CUHII.
weather‐scale
is
controlled
by
system
evolution,
showing
that
frequency
cold/heat
waves
(CWs/HWs)
significantly
negatively
correlated
spectral
CWs
HWs
increase
for
long
duration.
