Authorea (Authorea),
Journal Year:
2023,
Volume and Issue:
unknown
Published: March 3, 2023
Timely
and
objective
assessment
of
the
optimal
season
for
construction
remote
sensing
ecological
index
(RSEI)
is
great
significance
accurate
effective
environment
quality.
We
manipulated
RSEI
in
different
seasons
to
monitor
evaluate
seasonal
quality
(EEQ)
variations
Beijing-Tianjin-Hebei
(JJJ)
region
from
2001
2020.
First,
we
evaluated
image
quality,
bad
observations
were
interpolated.
Second,
was
constructed
by
MODIS,
compared
eigenvalues
contribution
rate
PC1
seasons.
Third,
assessed
temporal
spatial
EEQ
across
same
within
distinct
years.
Moran’s
I
employed
autocorrelation
stability
mean
standard
deviation
correlation
between
four
indicators
compared.
The
results
showed
that:
1)the
component
concentrates
most
characteristics
indicators,
especially
summer
(over
71%);
2)
Moran’
2001,
2006,
2011,
2016,
2020
are
0.909,
0.898,
0.917,
0.921,
0.892,
respectively,
which
indicated
that
has
a
strong
positive
correlation.
3)
high
years,
fluctuated
slightly
summer,
std
NDVI,
WET,
LST,
and,
NDBSI
0.005,
0.052,
0.026,
0.017,
respectively.
4)
Only
VCF
show
distribution
consistency
long
time
series
This
study
explored
spatiotemporal
JJJ
at
scale,
can
provide
reference
selecting
optimum
monitoring
urban
agglomeration
future.
Geocarto International,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: Jan. 1, 2024
Timely
and
objective
assessment
of
the
optimal
season
for
construction
remote
sensing
ecological
index
(RSEI)
is
great
significance
accurate
effective
environment
quality.
We
manipulated
RSEI
in
to
monitor
seasonal
variations
quality
(EEQ)
Beijing-Tianjin-Hebei
(JJJ)
region
from
2001
2020.
First,
we
evaluated
image
across
all
four
seasons
filled
missing
observations
through
liner
interpolation.
Second,
Seasonal
was
constructed
using
MODIS
compared
different
years.
Third,
temporal
spatial
within
same
EEQ.
Additionally,
Moran's
I
utilized
evaluate
autocorrelation
EEQ,
stability
correlation
between
indicators
compared.
The
results
showed
that:
1)
PC1
component
concentrates
most
characteristics
indicators,
especially
summer
(over
71%);
2)
Moran'
2001,
2006,
2011,
2016
2020
are
0.909,
0.898,
0.917,
0.921
0.892,
respectively,
which
indicated
that
EEQ
has
a
strong
positive
correlation.
3)
high
years,
standard
deviation
fluctuated
slightly
summer,
std
NDVI,
WET,
LST
and,
NDBSI
were
0.005,
0.052,
0.026
0.017,
respectively.
This
study
theoretically
demonstrates
constructing
RSEI,
filling
research
gap
previous
studies
regarding
rationale
selecting
images
periods
vigorous
vegetation
growth
construction,
can
provide
reference
optimum
monitoring
urban
future.
Land Degradation and Development,
Journal Year:
2023,
Volume and Issue:
34(12), P. 3550 - 3567
Published: April 21, 2023
Abstract
Arid
oasis
areas
are
typical
ecologically
fragile
areas,
and
Land
ecological
security
(LES)
reflects
the
relationship
between
land
use
socio‐economics.
At
present,
evaluation
of
LES
is
still
in
exploration
stage,
there
a
lack
dynamic
from
spatial
temporal
perspective,
interaction
influencing
factors
not
considered,
which
often
affects
reliability
results
optimization
scenarios.
This
study
analyzes
changes
Tarim
River
Basin
(TRB)
1990
to
2020
constructs
pressure‐state‐response
(PSR)
model
assess
patterns
LES.
Then,
correlation
divergence
were
explored
using
Moran
index.
Finally,
geographical
detector
analysis
was
used
reveal
drivers
spatiotemporal
TRB
effects
factors.
The
that
significant
variability
level
oases,
with
eastern
region
continuing
deteriorate
while
western
continues
improve.
Between
2020,
largest
increase
oases
24,089.52
km
2
cultivated
decrease
47,117.03
grassland.
Also,
interactions
variables.
greatest
associations
three
variables‐the
forest
coverage
raste,
proportion
tertiary
industry,
rural
per
capita
net
income‐all
reached
over
0.88.
evaluates
affecting
factors,
contribute
development
refined
countermeasures
offers
foundation
for
realization
sustainable
establishment
civilization.
Land,
Journal Year:
2023,
Volume and Issue:
12(8), P. 1508 - 1508
Published: July 28, 2023
Water
and
soil
resources
are
the
key
elements
required
to
maintain
stability
sustainable
development
of
oases
in
inland
drylands.
This
study
takes
Xinjiang
as
an
example,
reveals
spatial
temporal
distribution
characteristics
across
Xinjiang,
well
dynamic
migration
transformation
process
mutual
influence
human
activities
on
oasis
resources,
through
a
combination
land
movement
attitude
indicators,
use
gravity
model,
Geodetector.
The
results
show
that:
(1)
area
containing
has
expanded,
increasing
by
24.0%
between
1990
2020;
(2)
both
artificial
(AO)
natural
(NO)
were
tilted
northeast–southwest
direction,
with
center
point
AOs
moving
slightly
northeast,
centripetal
force
dispersion
degree
did
not
change
significantly;
NO
moved
significantly
weakened,
showing
convergence;
(3)
cultivated
grassland
main
types
evolution,
their
contribution
evolution
was
over
70%;
(4)
Geodetector
that
three
factors
driving
vegetation
cover,
population
density,
GDP.
research
have
practical
implications
for
land-use
management
planning
ecological
environmental
protection
arid
zones.
Forests,
Journal Year:
2024,
Volume and Issue:
15(3), P. 505 - 505
Published: March 8, 2024
The
Tarim
Basin
is
located
in
an
arid
inland
area;
the
ecological
environment
fragile,
and
it
extremely
sensitive
to
climate
change.
For
purpose
of
studying
dynamic
changes
vegetation
response
extreme
climate,
this
study
used
Vegetation
Ecological
Quality
Index
(EQI)
as
a
indicator
calculated
12
indices
using
Rclimdex.
Pearson
correlation
analysis
was
explore
relationship
between
EQI
values
various
at
both
inter-annual
intra-annual
scales.
Additionally,
geographic
detector
employed
examine
single
interactive
effects
on
for
different
types.
following
found:
(1)
During
2000–2022,
showed
upward
trend
Basin,
increase
agricultural
fastest.
(2)
Since
2000,
warm
temperature
have
risen,
whereas
cold
declined.
warming
rate
nighttime
temperatures
exceeds
that
daytime,
precipitation
rises
intensively.
Simultaneously,
continuous
dry
days
also
increased.
(3)
On
scale,
primarily
negatively
correlated
with
most
indices,
while
positively
indices.
there
obvious
regional
concentration
diurnal
range
(DTR)
daytimes
(TX10P)
inhibitory
promoting
areas
high
low
EQI,
respectively.
extremum
intensity
effect
inhibiting
EQI.
interaction
has
greater
impact
than
index,
especially
significant
forests
shrubs.
This
provides
reference
early
warning
meteorological
disasters,
ecosystem
protection,
sustainable
management
Basin.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: April 16, 2024
Amidst
the
backdrop
of
global
climate
change,
it
is
imperative
to
comprehend
intricate
connections
among
surface
water,
vegetation,
and
climatic
shifts
within
watersheds,
especially
in
fragile,
arid
ecosystems.
However,
these
relationships
across
various
timescales
remain
unclear.
We
employed
Ensemble
Empirical
Mode
Decomposition
(EEMD)
method
analyze
multifaceted
dynamics
water
vegetation
Bosten
Lake
Watershed
multiple
temporal
scales.
This
analysis
has
shed
light
on
how
elements
interact
with
revealing
significant
insights.
From
March
October,
approximately
14.9–16.8%
areas
permanent
were
susceptible
receding
drying
up.
Both
annual
monthly
values
Lake’s
level
area
exhibited
a
trend
initial
decline
followed
by
an
increase,
reaching
their
lowest
point
2013
(1,045.0
m
906.6
km2,
respectively).
Approximately
7.7%
vegetated
showed
increase
Normalized
Difference
Vegetation
Index
(NDVI).
NDVI
volatility
was
observed
23.4%
areas,
primarily
concentrated
southern
part
study
near
Bosten.
Regarding
components
(6
<
T
24
months),
temperature,
3-month
cumulative
NDVI,
3-month-leading
precipitation
strongest
correlation
changes
area.
For
interannual
(T≥
precipitation,
temperature
displayed
most
robust
alterations
In
both
components,
had
negative
impact
area,
while
exerted
positive
effects.
Through
comparative
analysis,
this
reveals
importance
periodicity
developing
adaptive
strategies
for
achieving
Sustainable
Development
Goals
dryland
watersheds.
introduces
methodology
dissecting
trends
scale
lake
links
variations
different
The
inherent
correlations
uncovered
research
can
serve
as
valuable
guidance
future
investigations
into
regions.
Land,
Journal Year:
2023,
Volume and Issue:
12(7), P. 1309 - 1309
Published: June 28, 2023
Ecological
challenges
resulting
from
soil
salinization
in
the
Tarim
River
Basin
(TRB),
exacerbated
by
climate
change
and
human
activities,
have
emphasized
need
for
a
quick
accurate
assessment
of
regional
ecological
environmental
quality
(EEQ)
driving
mechanisms.
To
address
this
issue,
study
has
developed
remote-sensing
index
with
salinity
adaptability
(RSEISI)
EEQ
integrating
comprehensive
(CSI)
into
(RSEI).
The
RSEISI
enhances
sensitivity
characterizes
surface
features
arid
regions,
thus
expanding
applicability.
Then,
we
used
time-series
analysis
methods
geodetector
to
quantify
spatial
temporal
trends
factors
TRB
2000
2022.
results
show
that
adaptation
effectively
monitors
TRB.
displayed
situation
oasis
expansion,
desert
deterioration,
glacier
melting,
multiyear
average
grades
were
dominated
medium
poor
saline
areas,
while
medium,
good,
excellent
concentrated
mountainous
areas.
Looking
at
trend
conjunction
land-use
types,
showed
mild
degradation
mainly
unused
land,
followed
improvement
cropland
grassland.
Hurst
indicated
most
areas
will
improve
future.
Soil
type,
land
use,
precipitation,
temperature
considered
be
key
affecting
across
TRB,
changes
found
interaction
multiple
factors.
This
may
provide
innovative
concepts
methodologies,
scientific
technological
support
management,
green
development
models
northwest
zone.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: Nov. 24, 2022
Abstract
Monitoring
the
ecological
environment
quality
is
an
important
task
that
often
connected
to
achieving
sustainable
development.
Timely
and
accurate
monitoring
can
provide
a
scientific
basis
for
regional
land
use
planning
environmental
protection.
Based
on
Google
Earth
Engine
platform
coupled
with
greenness,
humidity,
heat,
dryness
identified
in
remote
sensing
imagery,
this
paper
constructed
index
(RSEI)
covering
northern
Anhui
quantitatively
analyzed
characteristics
of
spatiotemporal
changes
from
2001
2020.
Geodetector
software
was
used
explore
mechanism
driving
spatial
differentiation
quality.
The
main
conclusions
were
as
follows.
First,
declined
rapidly
2005,
but
rate
decline
slowed
2005
2020
trend
improvement
gradually
emerged.
Huainan
better
more
stable
compared
other
cities.
Bengbu
Suzhou
showed
initially
declining
then
improving.
Huaibei,
Fuyang,
Bozhou
demonstrated
fluctuating
over
time.
Second,
vegetation
coverage
influencing
factor
RSEI,
while
rainfall
secondary
Finally,
interactions
observed
between
factors,
explanatory
power
these
factors
increased
significantly
after
interaction.
most
apparent
interaction
(
q
=
0.404).
In
addition,
we
found
abundance
had
positive
impact
quality,
population
density
urbanization
negative
impacts,
wetlands
highest.
Our
research
will
theoretical
protection
support
high-quality
development
Anhui.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(4), P. 3073 - 3073
Published: Feb. 8, 2023
To
tackle
ecological
problems,
many
restoration
projects
have
been
implemented
in
northern
China.
Identifying
the
drivers
of
vegetation
change
is
critical
for
continued
engineering.
In
this
study,
three
typical
reserves
Three-North
Shelter
Forest
Program
Region
(TNSFR)
were
selected
to
identify
their
development
characteristics
and
driving
mechanisms
using
normalized
difference
index
(NDVI),
climate
factors,
land
use
data.
The
results
show
that
(1)
NDVIs
increased
range
human
activities
all
reserves,
indicating
an
obvious
effect
projects.
(2)
planting
period,
was
mainly
correlated
with
activities.
After
entering
tending
impact
changes
on
dynamics
enhanced.
(3)
Temperature
precipitation
provided
approximate
effects
I,
while
Regions
II
III
more
strongly
precipitation.
(4)
proportion
areas
measures
exceeded
50%
regions.
short,
dominated
quantity
restoration,
influenced
quality
restoration.