Land,
Journal Year:
2024,
Volume and Issue:
13(12), P. 2048 - 2048
Published: Nov. 29, 2024
Studying
the
response
of
runoff
to
climate
change
and
land
use/cover
has
guiding
significance
for
watershed
planning,
water
resource
ecological
environment
protection.
Especially
in
Yellow
River
Basin,
which
a
variable
fragile
ecology,
such
research
is
more
important.
This
article
takes
Huangfuchuan
Basin
(HFCRB)
middle
reaches
as
area,
analyzes
impact
scenarios
on
by
constructing
SWAT
model.
Using
CMIP6
GCMs
obtain
future
data
CA–Markov
model
predict
use
data,
two
are
coupled
estimate
process
HFCRB,
uncertainty
estimated
decomposed
quantified.
The
results
were
follows:
①
good
adaptability
HFCRB.
During
calibrated
period
validation
period,
R2
≥
0.84,
NSE
0.8,
|PBIAS|
≤
17.5%,
all
meet
evaluation
criteria.
②
There
negative
correlation
between
temperature
runoff,
positive
precipitation
runoff.
Runoff
sensitive
rise
increase.
③
types
order
cultivated
>
grassland
forest
land.
④
variation
range
under
combined
effects
LUCC
that
single
or
scenarios.
increase
SSP126,
SSP245,
SSP585
10.57%,
25.55%,
31.28%,
respectively.
Precipitation
main
factor
affecting
changes
Model
source
prediction.
Water
security
and
its
sustainable
management
are
critical
to
human
survival
livelihoods,
especially
under
the
dual
pressures
of
climate
change
population
growth.
In
response
these
challenges,
an
increasing
number
natural
watersheds
being
regulated
by
dams
reservoirs,
introducing
significant
complexity
streamflow
modeling.
However,
operation
man-made
infrastructures,
small-scale
ones
managed
local
governments,
is
highly
flexible
irregular,
making
them
difficult
investigate
model
thoroughly.
Remote
sensing
products
can
reveal
reservoir
dynamics
at
larger
spatial
scales,
providing
valuable
data
for
data-scarce
catchments.
This
study
aims
evaluate
a
deep
learning
architecture,
namely
Multi-TimeScale
Long
Short-Term
Memory
(MTS-LSTM),
which
capable
incorporating
multi-source
multi-timescale
simulate
streamflow.
Furthermore,
role
remote
sensing-derived
monthly
storage
anomalies
in
MTS-LSTM
enhancing
daily
reservoir-regulated
simulation
investigated.
The
results
case
on
Yuanjiang
River
Basin
demonstrated
that
effectively
bridge
gap
between
SWAT-simulated
observed
streamflow,
attributed
regulations.
simulated
satisfactory
performance
both
(mean
values
Correlation
Coefficients
[CC]=0.92,
Nash–Sutcliffe
Efficiency
[NSE]=0.81
Kling-Gupta
[KGE]=0.80)
CC=0.79,
NSE=0.58
KGE=0.71)
timescales.
integration
into
has
significantly
enhanced
simulation.
mean
CC,
NSE,
KGE
simulations
showed
improvements
5%,
14%,
respectively.
led
higher
level
accuracy
than
achieved
naive
LSTM
model.
presents
systematic
methodology
enhance
simulations,
with
particular
focus
regions
limited
hybrid
cascade
systems.
Processes,
Journal Year:
2024,
Volume and Issue:
12(8), P. 1776 - 1776
Published: Aug. 22, 2024
Runoff
prediction
is
essential
in
water
resource
management,
environmental
protection,
and
agricultural
development.
Due
to
the
large
randomness,
high
non-stationarity,
low
accuracy
of
nonlinear
effects
traditional
model,
this
study
proposes
a
runoff
model
based
on
improved
vector
weighted
average
algorithm
(INFO)
optimize
convolutional
neural
network
(CNN)-bidirectional
long
short-term
memory
(Bi-LSTM)-Attention
mechanism.
First,
historical
data
are
analyzed
normalized.
Secondly,
CNN
combined
with
Attention
used
extract
depth
local
features
input
weights
Bi-LSTM.
Then,
Bi-LSTM
time
series
feature
analysis
from
both
positive
negative
directions
simultaneously.
The
INFO
parameters
optimized
provide
optimal
parameter
guarantee
for
CNN-Bi-LSTM-Attention
model.
Based
hydrology
station’s
level
flow
data,
influence
three
main
models
two
optimization
algorithms
compared
analyzed.
results
show
that
fitting
coefficient,
R2,
proposed
0.948,
which
7.91%
3.38%
higher
than
CNN-Bi-LSTM,
respectively.
R2
vector-weighted
0.993,
0.61%
Bayesian
(BOA),
indicating
method
adopted
paper
has
more
significant
forecasting
ability
can
be
as
reliable
tool
long-term
prediction.
Land,
Journal Year:
2024,
Volume and Issue:
13(12), P. 2048 - 2048
Published: Nov. 29, 2024
Studying
the
response
of
runoff
to
climate
change
and
land
use/cover
has
guiding
significance
for
watershed
planning,
water
resource
ecological
environment
protection.
Especially
in
Yellow
River
Basin,
which
a
variable
fragile
ecology,
such
research
is
more
important.
This
article
takes
Huangfuchuan
Basin
(HFCRB)
middle
reaches
as
area,
analyzes
impact
scenarios
on
by
constructing
SWAT
model.
Using
CMIP6
GCMs
obtain
future
data
CA–Markov
model
predict
use
data,
two
are
coupled
estimate
process
HFCRB,
uncertainty
estimated
decomposed
quantified.
The
results
were
follows:
①
good
adaptability
HFCRB.
During
calibrated
period
validation
period,
R2
≥
0.84,
NSE
0.8,
|PBIAS|
≤
17.5%,
all
meet
evaluation
criteria.
②
There
negative
correlation
between
temperature
runoff,
positive
precipitation
runoff.
Runoff
sensitive
rise
increase.
③
types
order
cultivated
>
grassland
forest
land.
④
variation
range
under
combined
effects
LUCC
that
single
or
scenarios.
increase
SSP126,
SSP245,
SSP585
10.57%,
25.55%,
31.28%,
respectively.
Precipitation
main
factor
affecting
changes
Model
source
prediction.