Journal of Hydroinformatics,
Journal Year:
2023,
Volume and Issue:
25(6), P. 2625 - 2642
Published: Nov. 1, 2023
Abstract
The
accurate
prediction
of
maximum
erosion
depth
in
riverbeds
is
crucial
for
early
protection
bank
slopes.
In
this
study,
K-means
clustering
analysis
was
used
outlier
identification
and
feature
selection,
resulting
Plan
1
with
six
influential
features.
2
included
features
selected
by
existing
methods.
Regression
models
were
built
using
Support
Vector
Regression,
Random
Forest
(RF
Regression),
eXtreme
Gradient
Boosting
on
sample
data
from
2.
To
enhance
accuracy,
a
Stacking
method
feed-forward
neural
network
introduced
as
the
meta-learner.
Model
performance
evaluated
root
mean
squared
error,
absolute
percentage
R2
coefficients.
results
demonstrate
that
three
outperformed
2,
improvements
values
0.0025,
0.0423,
0.0205,
respectively.
Among
regression
1,
RF
performs
best
an
value
0.9149
but
still
lower
than
0.9389
achieved
fusion
model.
Compared
to
formulas,
model
exhibits
superior
predictive
performance.
This
study
verifies
effectiveness
combining
analysis,
predicting
scour
bends,
providing
novel
approach
design.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(8), P. e18506 - e18506
Published: July 20, 2023
The
impact
of
the
suspended
sediment
load
(SSL)
on
environmental
health,
agricultural
operations,
and
water
resources
planning,
is
significant.
deposit
SSL
restricts
streamflow
region,
affecting
aquatic
life
migration
finally
causing
a
river
course
shift.
As
result,
data
sediments
their
fluctuations
are
essential
for
number
authorities
especially
decision
makers.
prediction
often
difficult
due
to
issues
such
as
site-specific
data,
models,
lack
several
substantial
components
use
in
prediction,
complexity
its
pattern.
In
past
two
decades,
many
machine
learning
algorithms
have
shown
huge
potential
prediction.
However,
these
models
did
not
provide
very
reliable
results,
which
led
conclusion
that
accuracy
should
be
improved.
order
solve
concerns,
this
research
proposes
Long
Short-Term
Memory
(LSTM)
model
proposed
was
applied
Johor
River
located
Malaysia.
study
allocated
flow
period
2010
2020.
current
research,
four
alternative
models—Multi-Layer
Perceptron
(MLP)
neural
network,
Support
Vector
Regression
(SVR),
Random
Forest
(RF),
Short-term
were
investigated
predict
load.
attained
high
correlation
value
between
predicted
actual
(0.97),
with
minimum
RMSE
(148.4
ton/day
MAE
(33.43
ton/day).and
can
thus
generalized
application
similar
rivers
around
world.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(6)
Published: June 3, 2024
Abstract
Streamflow
prediction
is
a
key
variable
for
water
resources
management.
It
becomes
more
important
in
semi-arid
regions
such
as
the
Tensift
river
basin
Morocco,
where
are
facing
severe
drought
and
demand
continuously
increasing.
The
present
analysis
focuses
on
evaluating
Machine
Learning
techniques,
namely
support
vector
regression
(SVR)
Random
Forest
(RF)
against
multiple
linear
(MLR)
daily
streamflow
forecasting
mountainous
sub-basin
of
Rheraya
between
2003
2016.
results
show
that
SVR
performed
best,
followed
by
RF
MLR.
In
measurable
terms
regarding
mean
performance,
exhibited
higher
Nash–Sutcliffe
efficiency
score
(NSE
=
0.59)
lower
root
squared
error
(RMSE
1.18
$$\text
{m}^3\,\text
{s}^{-1}$$
m3s-1
)
compared
to
0.53,
RMSE
MLR
0.54,
1.01
).
Furthermore,the
available
time
series
was
too
short
properly
capture
full
range
variability,
which
reduced
performance
outside
calibration
conditions.
These
findings
suggest
ML
algorithms,
particularly
SVR,
can
provide
accurate
estimation
useful
management
when
trained
representative
period.
highlight
capacity
specifically
augment
enhanced
resource
arid
regions.
Applied Water Science,
Journal Year:
2022,
Volume and Issue:
13(2)
Published: Dec. 30, 2022
Abstract
For
decision-making
in
farming,
the
operation
of
dams
and
irrigation
systems,
as
well
other
fields
water
resource
management
hydrology,
evaporation,
a
key
activity
throughout
universal
hydrological
processes,
entails
efficient
techniques
for
measuring
its
variation.
The
main
challenge
creating
accurate
dependable
predictive
models
is
evaporation
procedure's
non-stationarity,
nonlinearity,
stochastic
characteristics.
This
work
examines,
first
time,
transformer-based
deep
learning
architecture
prediction
four
different
Malaysian
regions.
effectiveness
proposed
(DL)
model,
signified
TNN,
evaluated
against
two
competitive
reference
DL
models,
namely
Convolutional
Neural
Network
Long
Short-Term
Memory,
with
regards
to
various
statistical
indices
using
monthly-scale
dataset
collected
from
meteorological
stations
2000–2019
period.
Using
variety
input
variable
combinations,
impact
every
data
on
E
p
forecast
also
examined.
performance
assessment
metrics
demonstrate
that
compared
benchmark
frameworks
examined
this
work,
developed
TNN
technique
was
more
precise
modelling
monthly
loss
owing
evaporation.
In
terms
effectiveness,
enhanced
self-attention
mechanism,
outperforms
demonstrating
potential
use
forecasting
Relating
application,
model
created
projection
offers
estimate
due
can
thus
be
used
management,
agriculture
planning
based
irrigation,
decrease
fiscal
economic
losses
farming
related
industries
where
consistent
supervision
estimation
are
considered
necessary
viable
living
economy.
Ain Shams Engineering Journal,
Journal Year:
2024,
Volume and Issue:
15(9), P. 102916 - 102916
Published: June 25, 2024
The
objective
of
the
current
study
is
to
investigate
effectiveness
specifically
Support
Vector
Machine
(SVM)
and
k-Nearest
Neighbors
(kNN)
models
for
sea
level
prediction.
SVM
kNN
are
compared
using
predicted
data
determined
by
machine
learning
model's
performance.
Thirteen
were
trained
precisely
properly
throughout
process.
results
showed
that
provide
good
performance
during
training
process
attained
relatively
poor
testing
On
other
hand,
KNN
model
consistent
both
Regarding
different
kernels
algorithm,
Radial
Basis
Function
(RBF)
kernel
most
suitable,
which
provides
finest
analysis
rise
dataset
acceptable
values
RSME,
MAE,
R2.