International Journal of Digital Earth,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Aug. 13, 2024
Recent
studies
on
the
accessibility
of
sports
facilities
have
rarely
considered
specific
attributes
facilities,
limiting
their
ability
to
define
service
potential,
and
often
neglected
critical
aspect
equitable
access.
This
study
proposed
a
novel
approach
based
remote
sensing
images
optimize
spatial
outdoor
facilities.
Using
Shanghai,
China,
as
area,
identified
four
types
using
deep
learning
object
detection
method,
which
allowed
capacities
(areas)
be
measured
more
precisely.
A
greedy
heuristic
algorithm
was
then
developed
"trade-off"
strategy
that
seeks
facility
access
by
reconciling
objectives
enhancing
ensuring
equality
weighing
benefits
utilizing
existing
resources
(school
facilities)
against
necessity
developing
new
ones.
The
method
achieved
precision
recall
rates
88%
96%,
respectively,
optimization
efforts
resulted
in
73%
increase
while
also
significantly
reducing
Gini
coefficient
from
0.58
0.34.
outperformed
random
selection
all-school-opening
strategies.
results
indicated
methodology
can
effectively
create
refined
datasets
for
enhance
accessibility.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(14), P. 2601 - 2601
Published: July 16, 2024
As
urbanization
advances,
the
issue
of
urban
heat
islands
(UHIs)
grows
increasingly
serious,
with
UHIs
gradually
transitioning
into
regional
islands.
There
is
still
a
lack
research
on
evolution
and
drivers
thermal
environment
in
agglomerations;
therefore,
this
study,
we
used
trend
analysis
methods
spatial
statistical
tools
to
investigate
these
issues
Beijing–Tianjin–Hebei
(BTH)
agglomeration.
The
results
demonstrated
following:
(1)
land
surface
temperature
(LST)
exhibited
low
fluctuation,
while
relative
(RLST)
fluctuated
significantly.
In
Zhangjiakou
Chengde,
LST
RLST
trends
were
complex,
differed
between
daytime
nighttime,
as
well
annual
seasonal
scales.
other
regions,
more
obvious.
(2)
During
daytime,
high
UHI
clusters
centered
“BJ–TJ–LF”
“SJZ–XT–HD”
formed
gradually;
during
mainly
observed
built-up
areas.
distribution
range
direction
showed
greater
degrees
summer.
(3)
total
area
an
increasing
trend,
intensity
stress
suffered
by
BTH
agglomeration
was
increasing.
(4)
Hebei,
aerosol
optical
depth,
solar
radiation,
population
density,
gross
domestic
product
dominant
factors
influencing
UHIs;
moreover,
Beijing
Tianjin,
all
basically
equal
impact.
methodology
findings
study
hold
significant
implications
for
guiding
construction,
optimizing
structure,
improving
comfort
International Journal of Digital Earth,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Aug. 13, 2024
Recent
studies
on
the
accessibility
of
sports
facilities
have
rarely
considered
specific
attributes
facilities,
limiting
their
ability
to
define
service
potential,
and
often
neglected
critical
aspect
equitable
access.
This
study
proposed
a
novel
approach
based
remote
sensing
images
optimize
spatial
outdoor
facilities.
Using
Shanghai,
China,
as
area,
identified
four
types
using
deep
learning
object
detection
method,
which
allowed
capacities
(areas)
be
measured
more
precisely.
A
greedy
heuristic
algorithm
was
then
developed
"trade-off"
strategy
that
seeks
facility
access
by
reconciling
objectives
enhancing
ensuring
equality
weighing
benefits
utilizing
existing
resources
(school
facilities)
against
necessity
developing
new
ones.
The
method
achieved
precision
recall
rates
88%
96%,
respectively,
optimization
efforts
resulted
in
73%
increase
while
also
significantly
reducing
Gini
coefficient
from
0.58
0.34.
outperformed
random
selection
all-school-opening
strategies.
results
indicated
methodology
can
effectively
create
refined
datasets
for
enhance
accessibility.