Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Авг. 30, 2024
As
an
urbanization
effort
propelled
by
administrative
measures,
city-county
merger
has
been
particularly
prevalent
in
the
district
adjustments
of
prefecture-level
cities
China.
However,
there
scant
research
focusing
on
policy’s
impact
efficiency
green
utilization
urban
land.
We
selected
panel
data
from
Chinese
2003
to
2020,
employing
slack-based
measure
(SBM)
model
that
accounts
for
undesirable
outputs,
conjunction
with
Malmquist-Luenberger
(ML)
productivity
index,
land
use
cities.
Building
this,
we
utilized
staggered
difference-in-differences
(DID)
investigate
policies
expanding
through
leasing
Our
findings
indicate
generally
led
a
decline
Further
mechanism
analysis
suggests
local
governments’
excessive
focus
economic
development,
leading
low-quality
development
model,
is
significant
factor
contributing
Specifically,
policy
indirectly
reduces
increasing
industrial
revenue,
number
polluting
enterprises,
lowering
rationalization
level
structure,
and
raising
overachievement
growth
targets.
reveals
heterogeneous
impacts
across
different
regions,
city
sizes,
levels,
planning
types.
The
more
inhibitory
effect
non-eastern
smaller
cities,
peripheral
underdeveloped
resource-based
study
confirms
as
reform
initiative,
effectiveness
still
relies
traditional
extensive
based
expansion,
which
not
conducive
enhancing
Ecological Indicators,
Год журнала:
2023,
Номер
156, С. 111072 - 111072
Опубликована: Окт. 16, 2023
In
the
context
of
global
warming
and
rapid
urbanization,
urban
wind-heat
environment
has
become
increasingly
prominent.
Although
identification
ventilation
corridors
been
well
investigated,
impact
on
thermal
remains
unclear.
Here,
we
use
single-window
algorithm
circuit
theory
method
to
analyze
characteristics
land
surface
temperature
(LST)
in
four
megacities
China,
so
as
quantify
effect
environment.
Results
show
that
works
for
identifying
corridors.
Moreover,
find
spatial
distribution
one
city
is
remarkably
different
from
another.
Interestingly,
corridors,
which
consist
green
spaces,
waters,
roads,
have
a
remarkable
mitigation
LST
each
mitigated
by
2.39
℃,
3.22
2.11
℃
2.60
respectively,
cooling
intensity
summer
better
than
winter.
Thus,
it
great
significance
arrange
form
alleviate
high
residents.
Land,
Год журнала:
2024,
Номер
13(9), С. 1508 - 1508
Опубликована: Сен. 17, 2024
Optimizing
urban
land
use
is
of
significant
practical
importance
for
promoting
economic
development,
enhancing
the
standard
living
individuals
residing
in
metropolitan
areas,
infrastructure
and
public
services,
driving
transformation
upgrading,
attaining
synchronized
progress
economy,
society,
environment.
This
paper
uses
super-efficiency
SBM
model
to
measure
efficiency
(ULUE)
13
cities
Beijing–Tianjin–Hebei
(BTH)
agglomeration
from
2005
2020
explores
spatiotemporal
evolution
characteristics
influencing
factors
ULUE
this
using
analysis
spatial
data
application
geographic
detector
methods.
The
results
show
that
(1)
2020,
BTH
had
an
initial
rise
followed
by
a
decline;
however,
overall
score
above
1,
suggesting
effective
state;
(2)
distribution
pattern
with
Beijing
as
its
core
was
established,
exhibiting
greater
northern
region
poorer
southern
region,
correlation
values
between
adjacent
cities;
(3)
capital
input,
labor
social
welfare,
ecological
environment
are
all
promote
improvement
interaction
any
two
explains
better
than
single
factor.
empirical
research
can
provide
useful
references
improving
input–output
ratio
units
further
planning
policy
formulation
region.
Applied Sciences,
Год журнала:
2025,
Номер
15(4), С. 1870 - 1870
Опубликована: Фев. 11, 2025
The
urban
built-up
land
green
use
efficiency
(UBLGUE)
of
the
Central
Plains
Urban
Agglomeration
(CPUA)
is
greatly
affected
by
China
Rise
policy.
However,
studies
on
how
socioeconomic
factors
affect
UBLGUE
in
underdeveloped
agglomerations
are
lacking,
and
little
empirical
research
has
placed
particular
emphasis
Based
statistical
data
2003–2020,
this
study
explores
dynamic
spatial–temporal
characteristics
determines
influencing
mechanism
CPUA
via
super-SBM–DEA
method
panel
regression
model.
results
indicate
following:
average
prefecture
cities
presents
a
significant
fluctuating
trend
from
2003
to
2020.
characterized
spatial
imbalance.
Over
period
Rise,
main
differentiation
economic
development,
industrial
structure,
environmental
regulation
intensity,
energy
consumption
intensity.
strong
attributes
positively
promoted
development.
In
contrast,
intensity
significantly
hinder
UBLGUE.
Energy
strongest
negative
effect
Finally,
corresponding
policy
recommendations
proposed
promote
based
conclusions
obtained.
