Geomatics Natural Hazards and Risk,
Год журнала:
2024,
Номер
16(1)
Опубликована: Дек. 27, 2024
The
Yellow
River
Source
Area
(YRSA)
is
ecologically
fragile,
economically
weak,
geographically
vast
and
sparsely
populated,
faces
challenges
to
its
development.
Existing
studies
on
the
YRSA
often
neglect
interactions
between
ecological
socio-economic
factors,
which
a
hot
issue
in
sustainable
development
research.
In
this
article,
hierarchical
analysis
method
(AHP),
CRITIC
weighting
method,
state-function-structure
model
(SFS),
coupled
coordination
degree
(CCDM),
spatio-temporal
weighted
regression
(GTWR)
are
used
assess
coupling
of
ecology
economy
analyze
influencing
factors.
results
show
that
dominated
by
grassland
ecosystem
vulnerability
has
been
improved
certain
extent.
northeastern
region
higher
than
southwestern
terms
economic
level,
corresponds
results.
Hot
spots
clustered
north,
cold
spread
from
southeast
west.
two
main
factors
affecting
(EV)
comprehensive
level
(ECL)
population
density
elevation.
This
study
complements
existing
knowledge
ecological,
human-land
systems
at
global
regional
scale.
It
provides
important
insights
data
support
policy
formulation
implementation
while
contributing
improvements.
Energies,
Год журнала:
2024,
Номер
17(4), С. 917 - 917
Опубликована: Фев. 16, 2024
A
major
goal
of
the
“14th
Five-Year
Plan”
phase
is
to
promote
green
transformation
industrial
enterprises
address
‘dual
carbon’
challenge.
Utilizing
China
Industrial
Enterprises
Database
and
Polluting
Database,
this
paper
calculates
carbon
emissions
Chinese
from
2001
2010
at
micro
level.
It
presents
an
analysis
heterogeneity
emission
efficiency
(TPI)
in
enterprises,
as
well
factors
influencing
corporate
TPI.
This
study
finds
that
within
a
subdivided
industry
exhibit
heterogeneous
levels
TPI,
with
largely
affected
by
structure
energy
consumption.
The
researchers
suggest
accelerating
transition
technology
argue
policies
should
shift
controlling
direct
total
targets
strengthening
market-oriented
policy
tools.
Carbon
reduction
be
more
stringent
for
lower
considering
among
enterprises.
To
meet
challenges
reduction,
are
encouraged
actively
reform
their
consumption
structure.
Government
aim
reduce
clean
costs
encourage
use
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Abstract
The
rational
allocation
of
carbon
reduction
targets
is
crucial
for
achieving
the
country's
overall
goal.
This
paper
introduces
a
comprehensive
intensity
scheme
based
on
entropy
method
and
an
improved
equal-proportion
distribution
(IEPD
method),
which
integrates
fairness
efficiency.
Firstly,
indicator
system
including
economic,
demographic,
energy,
technological
innovation
aspects
established,
employed
to
determine
weights
these
indicators.
Secondly,
using
IEPD
method,
target
China's
14th
Five-Year
Plan
period
(namely,
18%
in
by
2025
compared
2020)
allocated
332
cities.
Thirdly,
K-means
clustering
utilized
categorize
cities
according
seven
indicators,
characteristics
rate
(CITRR)
each
group
are
analyzed.
results
show
that:
(1)
average
CITRR
13.13%,
ranges
from
2.76–88.58%.
(2)
shows
step-like
regional
difference
that
gradually
decreases
eastern
region
central
western
regions,
Global
Moran
I
correlation
index
0.24,
indicating
positive
spatial
correlation.
(3)
divides
into
four
categories,
Kruskal-Wallis
test
significant
among
categories
plan
proposed
this
study
can
help
assess
their
capabilities
formulate
effective
policies.
