SHS Web of Conferences,
Год журнала:
2024,
Номер
205, С. 04008 - 04008
Опубликована: Янв. 1, 2024
Climate
change
is
a
problem
that,
if
left
unchecked,
will
threaten
the
lives
of
living
things
on
Earth.
The
use
renewable
energy
can
be
solution
to
this
problem.
This
started
by
making
it
learning
medium
at
university.
research
descriptive-analytical
study
conducted
Raja
Ali
Haji
Maritime
University.
aims
analyze
possibility
building
as
university
considering
aspects
regional
conditions,
including
exposure
sunlight,
wind
power,
and
sea
wave
power.
With
its
area
located
in
coastal
area,
development
possible
Universitas
Maritim
Haji.
habituation
students
using
universities
that
facilitate
media
used
students.
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
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Окт. 24, 2024
Improvements
in
high-resolution
satellite
remote
sensing
and
computational
advancements
have
sped
up
the
development
of
global
datasets
that
delineate
urban
land,
crucial
for
understanding
climate
risks
our
increasingly
urbanizing
world.
Here,
we
analyze
land
cover
patterns
across
spatiotemporal
scales
from
several
such
current-generation
products.
While
all
show
a
rapidly
world,
with
nearly
tripling
between
1985
2015,
there
are
substantial
discrepancies
area
estimates
among
products
influenced
by
scale,
differing
definitions,
methodologies.
We
discuss
implications
these
use
cases,
including
monitoring
hazards
modeling
urbanization-induced
impacts
on
weather
regional
to
scales.
Our
results
demonstrate
importance
choosing
fit-for-purpose
examining
specific
aspects
historical,
present,
future
urbanization
sustainable
development,
resource
allocation,
quantification
impacts.
International Journal of Applied Earth Observation and Geoinformation,
Год журнала:
2023,
Номер
125, С. 103570 - 103570
Опубликована: Ноя. 15, 2023
Urban
trees
mitigate
urban
heat
by
altering
evapotranspiration
processes
and
providing
shade
to
their
surrounding
environment.
Nevertheless,
the
impact
through
which
three-dimensional
tree
characteristics
alleviate
Land
Surface
Temperature
(LST)
remain
uncertain,
especially
for
climatic
zone
differences.
In
this
study,
we
investigated
potential
of
LST
in
35
Chinese
major
cities
quantified
importance
diverse
factors
influencing
magnitude
cooling
effects.
Results
showed
that
tree-covered
areas
was
about
2.23
°C
lower
than
built-up
during
summer,
but
an
opposite
temperature
pattern
observed
winter
these
are
mostly
distributed
Bs
(arid-steppe)
Dw
(cold-dry
winter)
climate
zones.
Moreover,
found
every
1
m
increase
height,
decreased
∼
0.19
0.10
summer
winter,
respectively.
Notably,
also
seasonal
differences
drivers
intensity,
with
digital
elevation
model
(DEM
=
∼13.21
%)
as
key
factor.
These
findings
can
help
planners
architects
better
understand
effects
cooling,
be
a
significant
guide
reducing
heat.
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.
Environmental Research Letters,
Год журнала:
2024,
Номер
19(9), С. 094039 - 094039
Опубликована: Авг. 7, 2024
Abstract
Many
cities
are
experiencing
increases
in
extreme
heat
because
of
global
temperature
rise
combined
with
the
urban
island
effect.
The
heterogeneity
morphology
also
leads
to
fine-scale
variability
potential
for
exposure.
Yet,
how
this
and
local
together
impacts
residents
differently
at
exposure-relevant
scales
is
still
not
clear.
Here
we
map
Universal
Thermal
Climate
Index,
a
more
complete
indicator
human
stress
an
unprecedentedly
fine
spatial
resolution
(1
m),
14
major
United
States
using
microclimate
modeling.
We
examined
different
exposure
levels
across
socioeconomic
racial/ethnic
groups
these
cities,
finding
that
income
level
most
consistently
associated
stress.
further
conducted
scenario
simulations
hypothetical
1
°C
increase
air
all
cities.
Results
show
would
have
substantial
impact
on
stress,
differ
results
study
can
help
us
better
evaluate
decision-relevant
scales.
