Satellite Clear‐Sky Observations Overestimate Surface Urban Heat Islands in Humid Cities
Geophysical Research Letters,
Год журнала:
2024,
Номер
51(2)
Опубликована: Янв. 12, 2024
Abstract
Satellite‐based
thermal
infrared
(TIR)
land
surface
temperature
(LST)
is
hindered
by
cloud
cover
and
applicable
solely
under
clear‐sky
conditions
for
estimating
urban
heat
island
intensity
(SUHII).
Clear‐sky
SUHII
may
not
accurately
represent
all‐sky
conditions,
potentially
introducing
quantitative
biases
in
assessing
islands.
However,
the
differences
between
SUHIIs
their
spatiotemporal
variations
are
still
poorly
understood.
Our
analysis
of
over
600
global
cities
demonstrates
that
mostly
higher
than
SUHII,
particularly
summer,
daytime,
precipitation‐rich
regions.
Besides,
typically
exhibits
stronger
seasonal
diurnal
contrasts
especially
located
humid
These
discrepancies
can
be
attributed
mainly
to
increased
missing
LST
data
caused
enhancement
areas.
findings
highlight
tendency
observations
overestimate
providing
valuable
insights
standardizing
quantification
Язык: Английский
Daytime cooling efficiencies of urban trees derived from land surface temperature are much higher than those for air temperature
Meng Du,
Niantan Li,
Ting Hu
и другие.
Environmental Research Letters,
Год журнала:
2024,
Номер
19(4), С. 044037 - 044037
Опубликована: Март 6, 2024
Abstract
Accurately
capturing
the
impact
of
urban
trees
on
temperature
can
help
optimize
heat
mitigation
strategies.
Recently,
there
has
been
widespread
use
remotely
sensed
land
surface
(
T
s
)
to
quantify
cooling
efficiency
(CE)
trees.
However,
reflects
emitted
radiation
from
an
object
seen
point
view
thermal
sensor,
which
is
not
a
good
proxy
for
air
perceived
by
humans.
The
extent
CEs
derived
reflect
true
experiences
residents
debatable.
Therefore,
this
study
systematically
compared
-based
CE
(CE
with
in
392
European
clusters.
and
were
defined
as
reductions
,
respectively,
every
1%
increase
fractional
tree
cover
(FTC).
results
show
that
FTC
substantial
reducing
most
cities
during
daytime.
at
night,
response
increased
appears
be
much
weaker
ambiguous.
On
average,
cities,
daytime
reaches
0.075
°C
%
−1
significantly
higher
(by
order
magnitude)
than
corresponding
0.006
.
In
contrast,
average
nighttime
are
similar,
both
approximating
zero.
Overall,
lower
temperatures,
but
magnitude
their
effect
notably
amplified
when
using
estimates
situ
measurements,
important
consider
accurately
constraining
public
health
benefits.
Our
findings
provide
critical
insights
into
realistic
efficiencies
alleviating
through
planting.
Язык: Английский
The Impacts and Thresholds Detection of 2D/3D Urban Morphology on the Heat Island Effects at the Functional Zone in Megacity during Heatwave Event
Sustainable Cities and Society,
Год журнала:
2024,
Номер
unknown, С. 106002 - 106002
Опубликована: Ноя. 1, 2024
Язык: Английский
Identifying priority areas for optimizing the urban thermal environment by considering the impacts of the built environment on outdoor thermal comfort
Journal of Asian Architecture and Building Engineering,
Год журнала:
2025,
Номер
unknown, С. 1 - 17
Опубликована: Март 3, 2025
The
thermal
environment
effect
poses
great
threats
to
the
sustainable
development
of
cities.
It
is
crucial
identify
priority
areas
for
optimizing
urban
as
a
strategy
mitigate
this
effectively.
We
developed
comprehensive
framework
metrics
evaluate
community-scale
outdoor
comfort
and
built
characteristics.
This
includes
universal
climate
index
green
space
morphology,
utilizing
large
dataset
meteorological
data.
Subsequent
spatial
econometric
analysis
pinpointed
that
have
significant
impact
on
comfort.
Additionally,
we
applied
methods
supply–demand
matching
division
determine
key
with
imbalances
areas.
results
showed
substantial
variability
in
among
different
community
units
old
city
Fuzhou,
China.
Seven
building
coverage
ratio,
patch
density,
shape
index,
etc.
significantly
influenced
Among
four
identified
relationships
between
comfort,
97
were
categorized
mismatch,
45
these
highest
priority.
study
provides
scientific
foundation
devising
more
focused
strategies
optimize
environment.
Язык: Английский
Effect of urban morphology on local-scale urban heat island intensity under varying urbanisation: A case study of Wuhan
Sustainable Cities and Society,
Год журнала:
2025,
Номер
unknown, С. 106328 - 106328
Опубликована: Март 1, 2025
Язык: Английский
Residential Heat Environment in Relation to Blue-Green Space Sustainability in Beijing, China
Urban forestry & urban greening,
Год журнала:
2024,
Номер
102, С. 128577 - 128577
Опубликована: Ноя. 13, 2024
Язык: Английский
An Assessment of Urban Residential Environment Quality Based on Multi-Source Geospatial Data: A Case Study of Beijing, China
Land,
Год журнала:
2024,
Номер
13(6), С. 823 - 823
Опубликована: Июнь 7, 2024
Assessing
the
urban
residential
environment
quality
(REQ)
is
essential
for
advancing
sustainable
development
and
enhancing
residents’
living
standards.
Traditional
REQ
assessments
rely
on
statistical
data,
prone
to
delays
lacking
holistic
insight.
This
study
takes
blocks
as
analysis
units
conducted
within
area
of
Sixth
Ring
Road
in
Beijing.
It
synthesizes
multi-source
geospatial
data
devise
a
comprehensive
framework
assessing
REQ,
incorporating
facets
environmental
health
comfort,
housing
transportation
convenience,
city
security,
life
convenience.
Utilizing
principle
minimal
relative
informational
entropy,
this
integrates
Analytic
Hierarchy
Process
(AHP)
with
entropy
method
determine
weight
each
evaluative
criterion.
Subsequently,
linear
weighting
technique
employed
ascertain
scores
criterion,
thus
facilitating
detailed
examination
REQ.
Finally,
research
probes
into
complex
interrelation
between
assessed
city’s
Gross
Domestic
Product
(GDP)
carbon
emissions
across
varying
scales.
Findings
reveal
that
(1)
overall
Beijing’s
superior
at
center
diminishes
towards
periphery.
(2)
The
dispersion
comfort
security
metrics
relatively
uniform,
showing
minor
variations;
however,
marked
disparity
observed
distribution
metrics.
(3)
Regions
characterized
by
higher
GDP
tend
demonstrate
levels
Conversely,
areas
boasting
higher-quality
are
more
inclined
exhibit
increased
emissions.
Язык: Английский
SUHI evolution characteristics and influencing mechanism of eight furnace cities in middle and lower reaches of Yangtze River, China
Urban Climate,
Год журнала:
2024,
Номер
58, С. 102182 - 102182
Опубликована: Окт. 29, 2024
Язык: Английский
A new quantitative method for evaluating the impact of garden greening on outdoor thermal environment in summer - a case study of Japanese residential gardens
Sustainable Cities and Society,
Год журнала:
2024,
Номер
117, С. 105962 - 105962
Опубликована: Ноя. 5, 2024
Язык: Английский
Integrated Framework for Enhancing Liveability and Ecological Sustainability in UAE Communities
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 9872 - 9872
Опубликована: Ноя. 12, 2024
Urban
growth
is
vast
in
the
United
Arab
Emirates
(UAE)
due
to
economic
development,
and
there
a
need
consider
liveability
sustainable
ecosystems
for
future
urban
expansion.
Promising
strategies
sustainability
focus
on
minimizing
building’s
effects
environment
improving
residents’
quality
of
life,
which
important
desert
when
confronting
issues
water
climate
change.
Sustainable
practices
that
impact
livelihood
people
UAE
include
factors
such
as
walkable
areas,
open
space,
policing,
healthcare,
education,
housing,
ensuring
friendly
transport
enhance
overall
life
residents
region.
Recognizing
appreciating
UAE’s
cultural
values
crucial
incorporating
these
aspects,
allowing
references
nation’s
character
creating
communal
areas.
The
primary
research
included
quantitative
surveys
three
identified
communities,
composed
fifty
participants
each,
where
findings
indicate
partial
full
compliance,
with
85.7%
indices
being
about
public
green
space.
Through
this
analysis,
principles
be
trialed
incorporated
into
development
embrace
ecology
well
inhabitants.
To
realize
targets,
proposed
study
adopted
four-part
approach.
Initially,
an
analysis
related
studies
concerning
or
Gulf
area
was
carried
out
obtain
quality-of-life
factors.
A
total
6
dimensions
51
indicators
were
extracted
from
literature
inform
next
stage.
Subsequently,
authors
evaluated
design
chosen
communities
various
cities
indices.
Consequently,
conceptual
redesign
typical
community
made,
illustrating
improved
sustainability.
Lastly,
survey
respective
facets
planning
architect
environmental
scientist
cum
economist
conducted
evaluate
practicality
design.
This
gives
comprehensive
picture
how
ecosystem
concepts
implemented
context
offers
direction
develop
lively,
context-specific,
culturally
attached,
environments
present
day
future.
Язык: Английский