The Relationships Between Vegetation Changes and Groundwater Table Depths for Woody Plants in the Sangong River Basin, Northwest China
Remote Sensing,
Год журнала:
2025,
Номер
17(5), С. 937 - 937
Опубликована: Март 6, 2025
Woody
plants
serve
as
crucial
ecological
barriers
surrounding
oases
in
arid
and
semi-arid
regions,
playing
a
vital
role
maintaining
the
stability
supporting
sustainable
development
of
oases.
However,
their
sparse
distribution
makes
significant
challenges
accurately
mapping
spatial
extent
using
medium-resolution
remote
sensing
imagery.
In
this
study,
we
utilized
high-resolution
Gaofen
(GF-2)
Landsat
5/7/8
satellite
images
to
quantify
relationship
between
vegetation
growth
groundwater
table
depths
(GTD)
typical
inland
river
basin
from
1988
2021.
Our
findings
are
follows:
(1)
Based
on
D-LinkNet
model,
woody
was
extracted
with
an
overall
accuracy
(OA)
96.06%.
(2)
Approximately
95.33%
desert
areas
had
fractional
plant
coverage
(FWC)
values
less
than
10%.
(3)
The
difference
cover
proved
be
fine
indicator
for
delineating
range
desert-oasis
ecotone.
(4)
optimal
GTD
Haloxylon
ammodendron
Tamarix
ramosissima
determined
5.51
m
3.36
m,
respectively.
Understanding
is
essential
effective
conservation
water
resource
management
regions.
Язык: Английский
Assessing the Impacts of Water Diversion Project on Water Resource System Sustainability
JAWRA Journal of the American Water Resources Association,
Год журнала:
2025,
Номер
61(1)
Опубликована: Янв. 15, 2025
ABSTRACT
Interbasin
water
diversion
project
has
been
considered
as
an
effective
way
to
assure
resource
system
sustainability.
In
order
assess
the
impacts
of
on
sustainability,
we
propose
a
framework
in
terms
reliability,
resilience,
and
vulnerability.
The
estimated
availability
from
hydrological
models
projected
demand
are
input
allocation
model.
model
allocates
two
available
sources
(i.e.,
local
diverted
water)
water‐receiving
areas.
differences
allocated
resources
between
these
figured
out
quantify
area
Bailong
River
Water
Diversion
Project,
located
Gansu,
China,
was
selected
case
study.
results
show
that
compared
reference
planning
years,
runoff
future
years
will
be
reduced,
while
their
demands
almost
increase
under
all
scenarios.
Although
current
designed
scheme
is
increasing
there
still
potential
for
resilience
through
optimizing
scheme.
Further,
more
unfavorable
supply
conditions
are,
larger
space
This
study
can
help
understand
sustainability
changing
environment.
Язык: Английский
Estimation of Groundwater Recharge and Assessment of Groundwater Quality in the Weining Plain, China
Water,
Год журнала:
2025,
Номер
17(5), С. 704 - 704
Опубликована: Фев. 28, 2025
The
Weining
Plain
is
in
the
semi-arid
northwest
region
of
China,
with
groundwater
as
its
main
source
for
various
purposes.
This
research
provided
a
detailed
investigation
into
exploitation
status
Plain,
analyzed
quality
different
purposes,
and
estimated
recharges
using
water
budget
analysis
end
member
mixing
analysis.
entropy
index
was
applied
to
assess
overall
drinking
water,
industrial
several
agricultural
indicators
were
used
assessment
uses.
findings
showed
that
recharge
area
primarily
comes
from
irrigation
infiltration
leakage
canal
system
which
account
approximately
50–60%
total
recharge.
poor,
over
80%
being
moderate
poor
requiring
treatment.
A
large
proportion
suitable
irrigation.
However,
has
corrosive
effect
on
boilers,
there
high
risk
boiler
scaling
foaming.
Only
12.41%
samples
have
good
use,
treatment
uses
needed.
study
can
help
local
decision-makers
understand
availability
resources
manage
reasonably.
Язык: Английский
Optimizing groundwater recharge potential zone using integrated climate projections: a case study with RCP and SSP scenarios
Modeling Earth Systems and Environment,
Год журнала:
2025,
Номер
11(3)
Опубликована: Март 6, 2025
Язык: Английский
Modeling the effects of extreme precipitation on groundwater resource components of Dagu aquifer in China
Journal of Hydrology Regional Studies,
Год журнала:
2025,
Номер
59, С. 102325 - 102325
Опубликована: Март 21, 2025
Язык: Английский
Vegetation Dynamics and Driving Mechanisms Considering Time-Lag and Accumulation Effects: A Case Study of Hubao–Egyu Urban Agglomeration
Land,
Год журнала:
2024,
Номер
13(9), С. 1337 - 1337
Опубликована: Авг. 23, 2024
The
Hubao–Egyu
Urban
Agglomeration
(HBEY)
was
a
crucial
ecological
barrier
in
northern
China.
To
accurately
assess
the
impact
of
climate
change
on
vegetation
growth,
it
is
essential
to
consider
effects
time
lag
and
accumulation.
In
this
study,
we
used
newly
proposed
kernel
Normalized
Difference
Vegetation
Index
(kNDVI)
as
metric
for
condition,
employed
partial
correlation
analysis
ascertain
accumulation
period
response
by
considering
different
scenarios
(No/Lag/Acc/LagAcc)
various
combinations.
Moreover,
further
modified
traditional
residual
model.
results
are
follows:
(1)
From
2000
2022,
HBEY
experienced
extensive
persistent
greening,
with
kNDVI
slope
0.0163/decade.
Precipitation
identified
dominant
climatic
factor
influencing
dynamics.
(2)
HBEY,
effect
temperature
most
distinct,
particularly
affecting
cropland
grassland.
precipitation
pronounced
(3)
Incorporating
into
models
increases
explanatory
power
impacts
dynamics
6.95%
compared
models.
Our
findings
hold
implications
regional
regulation
research.
Язык: Английский