Environmental Research Letters,
Год журнала:
2024,
Номер
19(5), С. 054004 - 054004
Опубликована: Апрель 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.
Geophysical Research Letters,
Год журнала:
2024,
Номер
51(13)
Опубликована: Июль 4, 2024
Abstract
Comprehensive
studies
comparing
impacts
of
building
and
street
levels
interventions
on
air
temperature
at
metropolitan
scales
are
still
lacking
despite
increased
urban
heat‐related
mortality
morbidity.
We
therefore
model
the
impact
9
temperatures
2
m
during
hot
days
from
summer
2018
in
Greater
London
Authority
area
using
WRF
BEP‐BEM
climate
model.
find
that
average
cool
roofs
most
effectively
reduce
(∼−1.2°C),
outperforming
green
(∼0°C),
solar
panels
(∼−0.5°C)
level
vegetation
(∼−0.3°C).
Application
conditioning
across
(United
Kingdom)
increases
by
∼+0.15°C.
A
practicable
deployment
could
cover
its
related
energetic
consumption.
Current
deployments
ineffective
large
scale
reduction
temperatures.
provide
a
detailed
decomposition
surface
energy
balance
to
explain
changes
guide
future
decision‐making.
