Driving mechanisms and evolutionary characteristics of carbon sink disturbance risk in urban ecosystem: a case study of Ordos
Environmental Earth Sciences,
Год журнала:
2025,
Номер
84(8)
Опубликована: Апрель 1, 2025
Язык: Английский
Ecological Security Assessment Considering Carbon Sources and Sinks and Analysis of Temporal and Spatial Evolution: A Case Study of the Chengdu‐Chongqing Economic Circle
Transactions in GIS,
Год журнала:
2025,
Номер
29(2)
Опубликована: Апрель 1, 2025
ABSTRACT
Achieving
carbon
peaking
and
neutrality
has
been
proposed
as
a
strategic
goal
to
drive
the
systematic
transformation
of
economic
social
systems
meet
requirements
sustainable
human
development.
However,
previous
studies
have
seldom
considered
regional
ecological
security
from
perspective
sources
sinks.
Adopting
Chengdu‐Chongqing
Economic
Circle
(CCEC)
case
study,
this
paper
evaluates
with
factors
aligned
dual‐carbon
goals.
A
combined
weight
Technique
for
Order
Preference
by
Similarity
Ideal
Solution
(TOPSIS)
are
applied
assess
security.
Temporal
spatial
dynamics
sources,
sinks,
Comprehensive
Ecological
Security
Index
(CESI)
analyzed,
alongside
autocorrelation
identify
clustering
patterns.
The
results
indicate
that:
(1)
Core
source
areas
concentrated
in
Chengdu
Plain
Chongqing's
urban
centers,
while
high
sequestration
regions
located
around
CCEC's
periphery.
(2)
overall
level
steadily
declined,
accompanied
significant
variation
CESI.
(3)
Over
past
decade,
CESI
exhibited
pronounced
clustering,
an
initial
increase
intensity
followed
decrease.
study
highlights
importance
planning
enterprise
coordination
enhance
By
integrating
sinks
into
assessments,
research
offers
valuable
insights
reduction
strategies
development
planning.
Язык: Английский
Analysis of the evolution and influencing factors of ecological environment quality after the transformation of resource-exhausted cities based on GEE and RSEI: a case study of Xuzhou City, China
Kai Jiao,
Xinqin Yong,
Shenghong Mao
и другие.
Journal of Asian Architecture and Building Engineering,
Год журнала:
2024,
Номер
unknown, С. 1 - 19
Опубликована: Май 27, 2024
This
study
used
Google
Earth
Engine
(GEE)
to
get
and
process
Landsat
images
of
Xuzhou
from
2008
2020,
built
remote
sensing
ecological
indices
(RSEI).
analyzed
the
spatiotemporal
features
drivers
environment
quality
after
Xuzhou's
transformation
using
landscape
pattern
index,
spatial
autocorrelation,
geographic
detector
methods.
The
results
showed
that:
(1)
improved
steadily
but
unevenly
2020;
west
central
urban
areas
had
poor
improving
quality,
while
east
opposite
trend;
(2)
in
different
regions
did
not
change
consistently
(3)
distribution
significant
with
high-high
clusters
low-low
center
each
district
county;
(4)
NDVI
is
component
index
that
has
greatest
impact
on
changes
RSEI.
Among
single
factors,
land
use
conditions
have
strongest
influence
environmental
quality.
After
interaction
dual
explanatory
power
stronger
than
any
factor.
research
can
support
planning
design,
protection,
etc.
Xuzhou,
offer
insights
for
monitoring
evaluation
resource-exhausted
cities.
Язык: Английский
Comprehensive evaluation and future trend prediction of ecological security in Fuzhou City: a DIKW framework and multi-model integration analysis
Human and Ecological Risk Assessment An International Journal,
Год журнала:
2024,
Номер
30(9-10), С. 833 - 857
Опубликована: Ноя. 5, 2024
Understanding
the
ecological
security
situation
of
Fuzhou
City
holds
significant
theoretical
and
practical
value
for
government
departments
in
implementing
development
strategies
achieving
Sustainable
Development
Goal
11
(Sustainable
Cities
Communities).
Using
Data,
Information,
Knowledge,
Wisdom
(DIKW)
framework,
this
study
combined
various
remote
sensing
GIS
methods
to
comprehensively
analyze
Fuzhou's
past,
present,
future
levels.
The
results
showed
a
strong
isotropic
cluster
city's
security.
Among
influencing
factors,
degree
regional
was
found
have
greatest
impact,
while
water
body
coverage
had
least.
factors
are
mutually
reinforcing.
Under
natural
scenario,
area
secure
level
2020
decreased
by
1243.70
km2,
under
protection
it
declined
1263.34
km2.
In
future,
is
expected
face
increasing
fragmentation.
Based
on
these
findings,
proposes
balance
economic
City.
These
recommendations
aim
provide
with
relevant
data
support
land
resource
management
contribute
high-level
Язык: Английский