Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Окт. 16, 2023
Traditional
linear
regression
and
neural
network
models
demonstrate
suboptimal
fit
lower
predictive
accuracy
while
the
quality
of
electrolytic
copper
is
estimated.
A
more
dependable
accurate
model
essential
for
these
challenges.
Notably,
maximum
information
coefficient
was
employed
initially
to
discern
non-linear
correlation
between
nineteen
factors
influencing
five
control
indicators.
Additionally,
random
forest
algorithm
elucidated
primary
governing
quality.
hybrid
model,
integrating
particle
swarm
optimization
with
least
square
support
vector
machine,
devised
predict
based
on
factors.
Concurrently,
a
combining
relevance
machine
developed,
focusing
The
outcomes
indicate
that
identified
principal
quality,
corroborated
by
analysis
via
coefficient.
when
accounting
all
factors,
comparable
optimization-least
surpassed
both
conventional
models.
error
forest-relevance
notably
less
than
sole
index
being
under
5%.
intricate
variation
pattern
influenced
numerous
unveiled.
advanced
circumvents
deficiencies
seen
in
findings
furnish
valuable
insights
management.
Ecological Informatics,
Год журнала:
2024,
Номер
80, С. 102500 - 102500
Опубликована: Янв. 28, 2024
The
importance
of
water
quality
models
has
increased
as
their
inputs
are
critical
to
the
development
risk
assessment
framework
for
environmental
management
and
monitoring
rivers.
However,
with
advent
a
plethora
recent
advances
in
ML
algorithms
better
predictions
possible.
This
study
proposes
causal
effect
model
by
considering
climatological
such
temperature
precipitation
along
geospatial
information
related
agricultural
land
use
factor
(ALUF),
forest
(FLUF),
grassland
usage
(GLUF),
shrub
(SLUF),
urban
(ULUF).
All
these
factors
included
input
data,
whereas
four
Stream
Water
Quality
parameters
(SWQPs)
Electrical
Conductivity
(EC),
Biochemical
Oxygen
Demand
(BOD),
Nitrate,
Dissolved
(DO)
from
2019
2021
taken
outputs
predict
Godavari
River
Basin
quality.
In
preliminary
investigation,
out
SWQPs,
nitrate's
coefficient
variation
(CV)
is
high,
revealing
close
association
climate
practices
across
sampling
stations.
authors'
earlier
study,
using
single-layer
Feed-Forward
Neural
Network
(FFNN)
showed
improved
performance
predicting
cause
linked
metrics.
To
achieve
prediction,
stacked
ANN
meta-model
nine
conventional
machine
learning
(ML)
models,
including
Extreme
Gradient
Boosting
(XGB),
Extra
Trees
(ET),
Bagging
(BG),
Random
Forest
(RF),
AdaBoost
or
Adaptive
(ADB),
Decision
Tree
(DT),
Highest
(HGB),
Light
Method
(LGBM),
(GB),
were
compared
this
study.
According
study's
findings,
outperformed
stand-alone
FFNN
same
dataset
superior
predictive
capabilities
terms
accuracy
forecasting
variable
interest.
For
instance,
during
testing,
determination
(R2)
(BOD)
0.72
0.87.
Furthermore,
Artificial
(ANN)
meta
that
was
reinforced
(ET)
base
performed
than
individual
(from
R2
=
0.87
0.91
BOD
testing).
By
new
framework,
effort
hyperparameter
tuning
can
be
minimized.
Ecological Informatics,
Год журнала:
2023,
Номер
79, С. 102440 - 102440
Опубликована: Дек. 18, 2023
Accelerated
urbanization
has
caused
encroachment
on
urban
water
ecological
land
in
China's
Yellow
River
basin,
resulting
a
strong
disturbance
of
ecosystem
service
functions
and
increasingly
serious
environmental
problems.
In
this
study,
two
entities—water
value
(WESV)
the
system—are
identified,
to
investigate
interactions
between
WESV
systems
their
subsystems
six
basin
cities
(Lanzhou,
Yinchuan,
Hohhot,
Xi'an,
Zhengzhou,
Jinan)
from
2005
2020.
First,
integrated
level
system
each
city
is
calculated
using
modified
developed
method
equivalence
factor
per
unit
area
entropy
method,
respectively.
Then,
coupling
coordination
relationship
are
revealed
by
degree
model
(CCDM)
Geographically
Temporally
Weighted
Regression
(GTWR).
The
results
show
that:
1)
both
basically
shows
an
increasing
trend,
hydrological
regulation
function
dominates
functions,
comprehensive
evaluation
environment
generally
higher
than
that
other
system's
subsystems.
2)
gradually
rose
extreme
incoordination
coordination,
(CCD)
resources
also
obvious
upward
but
CCD
safety
developing
more
slowly.
3)
where
have
greater
positive
impacts
primarily
focused
Lanzhou
while
negative
mainly
located
Yinchuan
Zhengzhou.
summary,
planning
decision-making
or
cities,
it
critical
promote
protection
ecology
high-quality
development
clearly
understanding
interaction
services
system,
coordinating
balancing
systems.
Ecological Informatics,
Год журнала:
2024,
Номер
80, С. 102482 - 102482
Опубликована: Янв. 21, 2024
Caenorhabditis
elegans
is
a
representative
organism
whose
DNA
structure
has
been
fully
elucidated.
It
used
as
model
for
various
analyses,
including
genetic
functional
analysis,
individual
behavioral
and
group
analysis.
Recently,
it
also
studied
an
important
bioindicator
of
water
pollution.
In
previous
studies,
traditional
machine
learning
methods,
such
the
Hidden
Markov
Model
(HMM),
were
to
determine
pollution
identify
pollutants
based
on
differences
in
swimming
behavior
C.
before
after
exposure
chemicals.
However,
these
models
have
low
accuracy
relatively
high
false-negative
rate.
This
study
proposes
method
detecting
identifying
types
using
Long
Short-Term
Memory
(LSTM)
model,
deep
suitable
time-series
data
The
activities
each
image
frames
are
characterized
by
Branch
Length
Similarity
(BLS)
entropy
profile.
These
BLS
profiles
converted
into
input
vectors
through
additional
preprocessing
two
clustering
methods.
We
conduct
experiments
formaldehyde
benzene
at
0.1
mg/L
each,
with
observation
time
intervals
varying
from
30
180
s.
performance
proposed
compared
that
previously
HMM
approach
variants
LSTM
models,
Gated
Recurrent
Unit
(GRU)
Bidirectional
(BiLSTM).