Forests,
Journal Year:
2024,
Volume and Issue:
15(12), P. 2075 - 2075
Published: Nov. 25, 2024
Trees
and
their
morphology
can
mitigate
the
urban
heat
island
(UHI)
effect,
but
impacts
of
tree
species
two-dimensional
(2D)
three-dimensional
(3D)
morphological
characteristics
on
thermal
environment
residential
spaces
at
building
scale
have
not
been
effectively
evaluated.
This
research
extracted
data
trees
in
spatial
range
a
50
m
radius
sampling
sites
located
subtropical
humid
city’s
area
based
unmanned
aerial
vehicle
(UAV)
imagery
field
measurements.
It
included
Ficus
microcarpa
L.
f.,
Cinnamomum
camphora
(L.)
J.
Presl,
Alstonia
scholaris
R.
Br.
as
three
typical
evergreen
six
quantitative
indicators
trees,
with
number
(N)
serving
fundamental
indicator
mean
canopy
width
(MCW),
height
(MCH),
(MTH),
biomass
(CV),
(MCV)
characteristic
indicators.
We
analyzed
impact
above
two
parameters:
Air
temperature
(AT)
relative
humidity
(RH),
by
correlation
analysis
multiple
linear
regression
analysis.
Results
showed
that:
(1)
F.
microcarpa,
dominant
local
species,
provided
more
than
65%
volume
within
study
(50
buffer
zones),
its
contribution
to
cooling
humidification
effects
was
superior
those
C.
A.
scholaris.
(2)
The
MTH
CV
are
key
factors
influencing
daytime
AT
RH,
respectively,
temporal
fluctuation
intensity
during
spring
(May)
daytime.
(3)
N
show
best
effect
(adjusted
R2
=
0.731,
p
<
0.05)
midday
(13:00–14:00
p.m.),
while
0.748,
morning
(9:00–10:00
a.m.)
among
species.
2D
3D
describe
variation
microclimate
small-scale
spaces.
work
provides
new
insights
into
benefits
brought
growth
features
offers
reference
for
areas
planning
management
related
selection,
maintenance,
improvement
comfort
inhabitants.
Urban Climate,
Journal Year:
2024,
Volume and Issue:
56, P. 102077 - 102077
Published: July 1, 2024
Green
infrastructure
(GI)
can
act
as
an
effective
cooling
strategy
to
mitigate
the
urban
heat
island
effect.
The
complex
interdependencies
in
built
environment
make
it
challenging
quantify
GI
accurately.
Present
literature
on
often
lacks
focus
techniques
and
overlooks
co-benefits.
This
review
addresses
this
gap
by
consolidating
recent
research
standard
design
approaches
maximize
cooling.
temperature
results
from
are
segregated
type,
technique
local
climate
zones,
scale.
ENVI-met
Weather
Research
Forecasting
model
(WRF)
most
common
numerical
modeling
methods
utilized
for
microscale
mesoscale.
Results
indicate
that
highest
air
reduction
is
achieved
arid
climates,
followed
temperate,
tropical,
continental
respectively.
study
suggests
integrate
into
successfully,
researchers
should
consider
influencing
factors
like
spatial
distribution,
microclimate,
plant
selection.
Climate
change
intensifies
severity
of
overheating;
therefore,
integrating
cities
must
be
done
holistically
co-benefits
related
trade-offs.
Remote Sensing Applications Society and Environment,
Journal Year:
2024,
Volume and Issue:
35, P. 101252 - 101252
Published: May 24, 2024
Biodiversity
plays
a
critical
role
in
maintaining
the
health
and
stability
of
ecosystems.
monitoring
has
traditionally
been
labor-intensive,
prompting
shift
towards
remote
sensing
techniques
for
efficient
large-scale
approaches.
In
this
research,
we
explore
use
Sentinel-2
satellite
data
airborne
LiDAR
to
evaluate
compare
functional
structural
biodiversity
agroforestry
areas
within
two
distinct
ecoregions,
namely
Montane
forests
ecoregion
Victoria
Basin
forest-savanna
mosaic
Columbia
Tanzania,
respectively.
The
aim
study
is
diversity
across
varying
spatial
scales
land
cover
types
including
trees,
cropland
grassland,
thereby
addressing
correlation
divergence
between
different
ecological
contexts.
Our
methodology
involves
integrating
assess
estimate
based
on
proxies
three
key
traits,
leaf
chlorophyll
content
(CHL),
anthocyanin
(ANTH),
specific
area
(SLA).
We
developed
novel
indices,
ShannonF
GiniF,
which
are
modified
versions
well-established
Shannon
index
Gini
index.
These
indices
effectively
incorporate
both
richness
evenness
into
their
calculations.
results
indicated
significant
our
proposed
derived
from
LiDAR,
with
stronger
correlations
at
larger
scales.
This
demonstrated
that
trees
exhibit
higher
than
grassland
areas,
particularly
high
Colombia's
ecoregion.
findings
underscore
potential
comprehensive
assessment
systems,
offering
valuable
insights
global
ecosystem
management
conservation
efforts.
