Environmental Quality Management,
Год журнала:
2024,
Номер
34(1)
Опубликована: Май 16, 2024
Abstract
In
this
review
study,
the
major
available
methods
for
measurement
and
estimation
of
evapotranspiration
(ET)
are
discussed
briefly
while
explaining
latest
developments.
The
best
validation
also
reviewed
explained.
It
highlights
importance
accurate
ET
quantification
in
managing
water
resources,
evaluating
climate
change
impacts,
supporting
crop
requirement
management.
Measurement
such
as
scintillometry,
lysimetry,
eddy
covariance
(EC)
flux
method
presented.
Additionally,
hydrological
models
approaches
actual
potential
ET.
paper
explores
various
products,
particularly
those
based
on
remote
sensing
techniques.
Specifically,
like
Mapping
EvapoTranspiration
at
high
Resolution
with
Internalized
Calibration
(METRIC),
Simplified
Surface
Energy
Balance
Operational
(SSEBop
ET),
Moderate
Imaging
Spectroradiometer
(MOD16),
Algorithm
Land
(SEBAL),
Global
Evaporation:
Amsterdam
Methodology
(GLEAM),
Satellite
Application
Facility
Analysis
(LSA‐SAF),
Data
Assimilation
System
(GLDAS)
described.
integration
machine
learning
(ML)
EC
is
investigated,
a
comprehensive
discussion
different
ML
approaches.
Validation
including
method,
balance
method‐derived
(WBET),
statistical
techniques
Overall,
provides
overview
quantification,
covering
techniques,
approaches,
methods,
ML.
insights
gained
from
contribute
to
profound
knowledge
dynamics
helps
sectors
dealing
drought
monitoring,
resource
management
assessments.
Agricultural Water Management,
Год журнала:
2023,
Номер
280, С. 108232 - 108232
Опубликована: Фев. 15, 2023
In
years
of
increasing
impact
climate
change
effects,
a
reliable
characterization
the
spatiotemporal
evolutionary
dynamics
evapotranspiration
can
enable
significant
improvement
in
water
resource
management,
especially
as
regards
irrigation
activities.
Sicily,
an
insular
region
Southern
Italy,
has
exceptionally
valuable
agricultural
production
and
high
needs.
this
study,
ETo
reference
Sicily
was
first
evaluated
on
basis
historical
future
parameters,
referring
for
values
to
two
scenarios
characterized
by
different
Representative
Concentration
Pathways:
RCP
4.5
8.5.
Then,
Hierarchical
algorithm
used
divide
into
three
homogeneous
regions,
each
specific
features.
addition,
some
Machine
Learning
(ML)
algorithms
were
develop
forecasting
models
based
only
data.
Support
Vector
Regression
(SVR)
predict
Tmin
Tmax,
while
ensemble
model
Multilayer
Perceptron
(MLP)
M5P
Tree
developed
forecasting.
Predictions
made
with
MLP-M5P
compared
computed
8.5
scenarios.
During
forecast
period,
from
2001
2091,
increases
observed
all
clusters.
For
cluster
C1,
along
coast,
percentage
7.52%,
14.64%
10.78%,
4.5,
8.5,
MLP-M5P,
respectively,
while,
C3,
inland,
higher
equal
8.12%,
16.71%,
14.98%,
respectively.
The
led
intermediate
trends
between
showing
correlation
latter
(R2
0.93
0.98).
approach,
both
clustering
algorithms,
provided
comprehensive
analysis
evapotranspiration,
detection
regions
and,
at
same
time,
evaluation
trends,
coastal
inland
areas.
Agricultural Water Management,
Год журнала:
2023,
Номер
279, С. 108175 - 108175
Опубликована: Фев. 7, 2023
This
paper
established
hybrid
prediction
models
based
on
variational
mode
decomposition
(VMD),
empirical
(EMD),
and
ensemble
(EEMD)
combined
with
the
backpropagation
neural
network
model
(BPNN)
to
improve
accuracy
of
reference
crop
evapotranspiration
(ET0)
time
series
characteristics
nonlinearity
instability.
The
daily
ET0
data
11
representative
stations
in
Xinjiang
from
1993
2016
were
selected
for
training
testing
compared
results
support
vector
regression
(SVR)
gradient
boosting
tree
(GBRT)
as
two
machine
learning
models.
indicated
superiority
VMD-BPNN
EMD-BPNN
EEMD-BPNN
terms
stability,
root
mean
square
error
(RMSE)
=
0.405
mm/d,
absolute
(MAE)
0.268
coefficient
determination
(R2)
0.979.
When
employing
forecast
seven
days,
RMSE
Nash-Sutcliffe
efficiency
(NSE)
0.588
mm/d
0.952,
respectively,
high
precision
reliability.
was
significantly
higher
than
that
single
models,
such
BPNN,
SVR,
GBRT.
MAE
values
more
60%
smaller
GBRT
R2
NSE
approximately
18%
respectively.
demonstrates
effectiveness
VMD
method
reducing
non-stationarity
original
data.
BPNN
predicted
decomposed
series,
stability
enhanced.
indicates
reliability
its
capability
Xinjiang.
Ecological Informatics,
Год журнала:
2024,
Номер
80, С. 102455 - 102455
Опубликована: Янв. 4, 2024
Developing
reliable
streamflow
forecasting
models
is
critical
for
hydrological
tasks
such
as
improving
water
resource
management,
analyzing
river
patterns,
and
flood
forecasting.
In
this
research,
the
first
time,
an
emerging
multi-level
TOPSIS
(technique
order
preference
by
similarity
to
ideal
solution)
based
hybridization
comprised
of
Boruta
classification
regression
tree
(Boruta-CART)
feature
selection,
multivariate
variational
mode
decomposition
(MVMD),
a
hybrid
Convolutional
Neural
Network
(CNN)
Bidirectional
Gated
Recurrent
Unit
(CNN-BiGRU)
deep
learning
was
adopted
multi-temporal
(one
three
days
ahead)
forecast
daily
in
Rivers
Prince
Edward
Island,
Canada.
For
aim,
step,
Boruta-CART
selection
technique
determines
most
effective
lagged
components
among
all
antecedent
two-day
information
(i.e.,
t-1
t-2)
hydro-meteorological
features
(from
2015
2020),
including
level,
mean
air
temperature,
heat
degree
days,
total
precipitation,
dew
point
relative
humidity
Bear
Winter
Afterwards,
(MVMD)
decomposes
input
time
series
decrease
complexity
non-linearity
non-stationary
ones
before
feeding
(DL)
models.
Here,
CNN-GRU
employed
primary
DL
model,
along
with
kernel
extreme
machine
method
(KELM),
random
function
link
(RVFL),
CNN
bidirectional
recurrent
neural
network
(CNN-BiRNN)
comparative
A
scheme
applying
several
performance
measures
like
correlation
coefficient
(R),
root
square
error
(RMSE),
reliability
designed
robustness
assessment
(MVM-CNN-BiGRU,
MVM-CNN-BiRNN,
MVM-RVFL,
MVM-KELM)
standalone
The
computational
outcomes
revealed
that
River,
MVM-CNN-BiGRU,
owing
its
best
day
ahead:
score
1,
R
=
0.960,
RMSE
0.098,
65.082;
0.999,
0.924,
0.33)
outperformed
other
models,
followed
MVM-KELM,
respectively.
Moreover,
MVM-CNN-BiGRU
terms
(one-day
0.890,
0.955,
0.274,
34.004;
three-days
0.686,
0.330)
superior
provided
expert
system
could
be
vital
local
decision-making
process,
absence
modeling,
during
seasons
reduce
damage
residential
areas.