Land,
Journal Year:
2024,
Volume and Issue:
14(1), P. 24 - 24
Published: Dec. 26, 2024
The
Yellow
River
Delta
(YRD),
as
a
key
area
for
the
economic
development
of
Bohai
Rim
region,
significantly
impacts
soil
fertility
and
plant
growth
through
salinization
content.
Accurately
determining
spatial
distribution
in
YRD
is
vital
regional
salinity
management
agricultural
development.
In
this
study,
we
constructed
evaluated
three
indices—NDSI,
SI,
S5—using
measured
conductivity
data
machine
learning
methods:
Random
Forest,
Support
Vector
Machine,
XGBoost.
results
indicate
that
Machine
achieved
best
inversion
effect
on
levels,
with
an
Area
Under
Curve
(AUC)
value
0.88.
level
has
shown
increasing
trend
over
years,
decreasing
spatially
from
north
to
south,
east
west,
coast
inland.
From
2003
2009,
was
primarily
concentrated
northern
eastern
coastal
areas,
while
2009
2021,
it
gradually
expanded
salinized
increased
538.4
km2
761.5
particularly
between
2015,
47.95%
increase.
main
factors
influencing
were
distance
Sea,
seasonal
average
potential
evapotranspiration,
normalized
vegetation
index,
interaction-driven
effects
being
stronger
than
single-factor
effects.
This
study
provides
crucial
scientific
support
sustainable
ecological
restoration
Sea
region.
Land,
Journal Year:
2025,
Volume and Issue:
14(1), P. 177 - 177
Published: Jan. 16, 2025
Cultural
heritage
sites
play
a
significant
role
in
shaping
urban
development,
yet
their
impact
on
key
outcomes
remains
underexplored.
This
study
investigates
how
the
number
and
proximity
of
influence
development
through
an
analysis
across
371
Chinese
cities.
Using
range
metrics,
including
population
density,
building
height,
form
complexity,
green
space
accessibility,
we
find
that
cities
with
more
tend
to
exhibit
lower
density
(−0.168)
height
(−0.0314),
respectively.
These
also
show
complex
forms
irregular
city
layouts,
potentially
caused
by
preservations.
We
analyze
revealing
have
higher
area
per
capita
better
access
spaces.
Furthermore,
our
growth
from
2000
2020
highlights
positive
relationship
between
(0.223),
as
well
potential
trade-offs
preservation
GDPPC
(−0.865).
Our
findings
underscore
impacts
cultural
address
its
trade-offs,
highlighting
need
for
planning
strategies
balance
sustainable
equitable
BMC Public Health,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: Jan. 14, 2025
In
recent
years,
the
government
has
promoted
increased
deployment
of
automated
external
defibrillators
(AEDs)
in
public
places
with
dense
crowds,
which
is
great
significance
for
ensuring
that
residents
enjoy
equal
health
rights.
However,
it
still
unclear
what
factors
decision-makers
take
into
account
when
formulating
plans
and
whether
these
are
related
to
local
characteristics
such
as
population
distribution
socioeconomic
conditions.
Taking
Shanghai,
China
research
area,
we
adopted
kernel
density
estimation
spatial
autocorrelation
analysis
explore
AEDs.
We
constructed
a
geographically
weighted
regression
(GWR)
model
identify
key
influencing
AED
deployment.
The
results
showed
AEDs
Shanghai
presented
obvious
clustering
characteristics.
GWR
found
considered
by
different
regions
deploying
followed
guidance
existing
policies.
It
was
also
mainly
deployed
more
devices
areas
high
elderly
population,
transportation
networks,
cultural
educational
places,
hubs
large
flows.
observed
city
center
might
lack
sufficient
preparation
group.
order
allocate
emergency
medical
resources
reasonably,
very
important
determine
practices
shown
potential
evaluate
guide
implementation
plans.
ISPRS International Journal of Geo-Information,
Journal Year:
2025,
Volume and Issue:
14(3), P. 112 - 112
Published: March 4, 2025
Bus
networks
are
a
crucial
support
for
urban
commuting.
By
studying
the
evolutionary
characteristics
of
bus
networks,
we
can
uncover
their
development
patterns,
coverage
efficiency,
and
changes
in
regional
balance,
providing
scientific
basis
sustainable
optimization
transportation
resources.
This
study
systematically
analyzes
spatiotemporal
evolution
network
Beijing
from
2006
to
2024
using
specific
spatial
analysis
tools
analyze
characteristics.
analyzing
rates
transit
stations
road
administrative
division
data,
reveals
convenience
different
regions.
combining
research
methodology
Sustainable
Development
Goals
(SDGs)
report,
500-m
service
radius
stops
was
assessed.
A
complex
model
used
extract
nodes
edges
network,
betweenness
centrality
(BC)
were
analyzed.
The
findings
indicate
that
Beijing’s
has
gradually
expanded
central
areas
peripheral
regions,
with
notable
expansion
Tongzhou
Yanqing,
resulting
an
improved
balance
distribution
routes
emergence
as
new
hub.
diffusion
significantly
influenced
by
boundaries
layout
ring
roads.
highly
concentrated
within
Second
Ring
Road,
while
number
roads
increases,
various
indices
decrease.
shows
clustering
uneven
directional
development.
stop
exhibits
significant
characteristics,
high
Population
Conveniently
Served
Buses
(PCSB)
predominantly
areas,
large
gap
compared
outer
suburban
districts.
These
conclusions
expand
on
exploration
isolated
static
structure,
revealing
dynamic
mechanisms
patterns
network.
They
provide
guidance
recommendations
improving
offer
more
comprehensive
planning
resource
allocation.
