Land,
Journal Year:
2022,
Volume and Issue:
11(8), P. 1361 - 1361
Published: Aug. 21, 2022
Protected
areas
are
fundamental
for
maintaining
ecosystem
functions
and
have
generally
been
considered
to
affect
land
use
change.
Here,
we
explored
how
protected
affected
cover
volatility
in
China
from
2011
2020
with
LandTrendr
using
the
Google
Earth
Engine
(GEE)
platform
by
comparing
difference
of
Normalized
Difference
Vegetation
Index
(NDVI)
unprotected
areas.
The
results
show
that
regions
frequent
mainly
located
eastern,
central,
southwestern
China,
indicating
high
NDVI
loss
values
is
spatially
aggregated
most
cases.
Considering
impact
areas,
relatively
consistent
inside
outside
area
throughout
study
period,
showing
a
trend
first
fluctuating
then
rising.
Approximately
22%
detected
occurred
though
average
value
(0.56)
was
greater
than
(0.51).
Combined
outliers,
accompanied
larger
still
primarily
distributed
years.
detection
gain
shows
(average
0.48)
0.47)
almost
every
year,
even
combined
also
Elucidating
helpful
understanding
changes
formulate
an
effective
policy.
Buildings,
Journal Year:
2024,
Volume and Issue:
14(7), P. 2165 - 2165
Published: July 14, 2024
Amidst
the
challenges
posed
by
global
climate
change
and
accelerated
urbanization,
structure
distribution
of
land
use
are
shifting
dramatically,
exacerbating
ecological
land-use
conflicts,
particularly
in
China.
Effective
resource
management
requires
accurate
forecasts
cover
(LUCC).
However,
future
trajectory
LUCC,
influenced
remains
uncertain.
This
study
developed
an
integrated
multi-scenario
framework
combining
system
dynamics
patch-generating
simulation
models
to
predict
LUCC
high-density
urban
regions
under
various
Shared
Socioeconomic
Pathway
(SSP)–Representative
Concentration
(RCP)
scenarios.
The
results
showed
following:
(1)
From
2020
2050,
cultivated
land,
unused
water
projected
decrease,
while
construction
is
expected
increase.
(2)
Future
patterns
exhibit
significant
spatial
heterogeneity
across
three
Construction
will
expand
all
districts
Hangzhou,
main
areas.
Under
SSP585
scenario,
expansion
most
significant,
it
least
SSP126
scenario.
(3)
Distinct
factors
drive
different
types.
digital
elevation
model
predominant
factor
for
forest
grassland,
contributing
19.25%
30.76%,
respectively.
Night
light
contributes
at
13.94%
20.35%,
(4)
average
intensity
(LUI)
central
markedly
surpasses
that
surrounding
suburban
areas,
with
Xiacheng
having
highest
LUI
Chun’an
lowest.
area
increased
significantly
smaller
than
SSP245
These
findings
offer
valuable
guidance
sustainable
planning
built
environment
Hangzhou
similarly
situated
centers
worldwide.
IEEE Transactions on Geoscience and Remote Sensing,
Journal Year:
2023,
Volume and Issue:
61, P. 1 - 18
Published: Jan. 1, 2023
Forest
age
is
a
crucial
parameter
for
evaluating
the
state
and
potential
of
carbon
sequestration
in
forest
ecosystems.
However,
lack
time-series
will
lead
to
an
inability
capture
disturbance
restoration
history,
resulting
increased
uncertainty
estimating
sinks.
To
address
this
issue,
we
aimed
propose
integrated
algorithm
estimation
based
on
recovery
using
Zhejiang
Province
forests
as
example.
Based
Google
Earth
Engine
(GEE)
platform,
first
used
random
(RF)
estimate
2004,
then
LandTrendr
with
RF
detect
loss
gain
year
during
2005-2019,
finally
derived
mapped
time
series
distribution
from
2004
2019.
The
results
show
that:
(1)
R
2
(≥0.6)
xmlns:xlink="http://www.w3.org/1999/xlink">RMSE
(≤5
years)
revealed
that
constructed
models
could
high
reliability;
(2)
effectively
extracted
regions
overall
accuracies
(OAs)
above
0.7,
while
area
has
net
increase
2206.86
km
2005-2019;
(3)
2019
was
still
dominated
by
young
middle-aged
forests,
shift
dominance
20-30
30-40
years
old
after
2013.
This
study
provided
effective
methodological
idea
reliable
basic
data
past
future
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(14), P. 6184 - 6184
Published: July 19, 2024
In
this
study,
an
ecosystem
service
value
evaluation
method
was
applied
to
establish
a
coupling
coordination
degree
model,
quantify
the
and
relationship
between
land-use
cover
change
changes,
examine
impacts
of
different
driving
factors
on
changes.
The
results
were
as
follows.
(1)
2020,
these
two
variables
peaked
at
level
above
0.9.
(2)
Their
one
in
2000,
indicating
transformative
shift
entry
into
new
stage
during
period
within
study
area.
This
provides
valuable
information
for
development
ecological
compensation
restoration
strategies
Horqin
Sandy
Land’s
civilization
construction
plan.
