Multi-step prediction of dissolved oxygen in fish pond aquaculture using feature reconstruction-based deep neural network
Yilun Jiang,
No information about this author
Lintong Zhang,
No information about this author
C.-K. Chris Wang
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et al.
Computers and Electronics in Agriculture,
Journal Year:
2025,
Volume and Issue:
232, P. 109997 - 109997
Published: Feb. 6, 2025
Language: Английский
Prediction of landfill gases concentration based on Grey Wolf Optimization – Support Vector Regression during landfill excavation process
Zhimin Liu,
No information about this author
Zehua Zhang,
No information about this author
Qingwen Zhang
No information about this author
et al.
Waste Management,
Journal Year:
2025,
Volume and Issue:
198, P. 128 - 136
Published: March 4, 2025
Language: Английский
Enhanced Landslide Risk Evaluation in Hydroelectric Reservoir Zones Utilizing an Improved Random Forest Approach
Aimin Wei,
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Ke Hu,
No information about this author
Shuni He
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et al.
Water,
Journal Year:
2025,
Volume and Issue:
17(7), P. 946 - 946
Published: March 25, 2025
Landslides
on
reservoir
slopes
are
one
of
the
key
geologic
hazards
that
threaten
safe
operation
hydropower
plants.
The
aim
our
study
was
to
reduce
limitations
existing
methods
landslide
risk
assessment
when
dealing
with
complex
nonlinear
relationships
and
difficulty
quantifying
uncertainty
predictions.
We
established
a
multidimensional
system
covers
geological
settings,
meteorological
conditions,
ecological
environment,
we
proposed
model
integrates
Bayesian
theory
random
forest
algorithm.
In
addition,
quantifies
through
probability
distributions
provides
confidence
intervals
for
prediction
results,
thus
significantly
improving
usefulness
reliability
assessment.
this
study,
adopted
Gini
index
SHAP
(SHapley
Additive
exPlanations)
value,
an
analytical
methodology,
reveal
factors
affecting
slope
stability
their
interaction.
empirical
results
obtained
show
effectively
identifies
also
accurate
risk,
enhancing
scientific
targeted
decision
making.
This
offers
strong
support
managing
providing
more
solid
guarantee
station
sites.
Language: Английский
Energy Efficiency and Mathematical Modeling of Shrimp Pond Oxygenation: A Multiple Regression Experimental Study
Eng—Advances in Engineering,
Journal Year:
2024,
Volume and Issue:
5(4), P. 2862 - 2885
Published: Nov. 4, 2024
Aquaculture
is
one
of
the
key
economic
activities
to
reduce
food
shortages
worldwide.
Water
recirculation
systems
using
pumps
are
crucial
maintain
oxygenation
and
water
quality,
consuming
about
35%
total
energy
in
this
activity.
This
research
proposes
a
multiple
linear
regression
mathematical
model
optimize
intensive
shrimp
aquaculture
by
reducing
consumption
minimizing
changes
ponds.
The
proposed
optimizing
operation
pumping
systems,
allowing
us
significantly
turnover
without
compromising
dissolved
oxygen
levels
as
function
variables
such
volume,
biomass,
solar
radiation
(0–1200
W/m2),
temperature
(20
°C–32
°C),
phytoplankton
(0–1,000,000
cells/ml),
zooplankton
(0–500,000
wind
speed
(0–15
m/s).
These
integrated
into
model,
managing
explain
94.02%
variation
oxygen,
with
an
R2
92.9%,
which
adjusts
system
conditions
real
time,
impact
environmental
fluctuations
on
quality.
leads
estimated
annual
savings
106,397.5
kWh,
663.8
MWh.
contributes
development
approach
that
not
only
improves
prediction,
but
also
minimizes
use
resources,
improving
sustainability
profitability
farming
robust
tool
maximizes
operational
efficiency
aquaculture,
particularly
where
management
critical.
Language: Английский
A Variational Mode Decomposition–Grey Wolf Optimizer–Gated Recurrent Unit Model for Forecasting Water Quality Parameters
Binglin Li,
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Fengyu Sun,
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Yufeng Lian
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et al.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(14), P. 6111 - 6111
Published: July 13, 2024
Water
is
a
critical
resource
globally,
covering
approximately
71%
of
the
Earth’s
surface.
Employing
analytical
models
to
forecast
water
quality
parameters
based
on
historical
data
key
strategy
in
field
monitoring
and
treatment.
By
using
forecasting
model,
potential
changes
can
be
understood
over
time.
In
this
study,
gated
recurrent
unit
(GRU)
neural
network
was
utilized
dissolved
oxygen
levels
following
variational
mode
decomposition
(VMD).
The
GRU
network’s
were
optimized
grey
wolf
optimizer
(GWO),
leading
development
VMD–GWO–GRU
model
for
parameters.
results
indicate
that
outperforms
both
standalone
GWO–GRU
capturing
information
related
Additionally,
it
shows
improved
accuracy
medium
long-term
changes,
resulting
reduced
root
mean
square
error
(RMSE)
absolute
percentage
(MAPE).
demonstrates
significant
improvement
lag
parameters,
ultimately
boosting
accuracy.
This
approach
applied
effectively
serving
as
solid
foundation
future
treatment
strategies.
Language: Английский
Research on a Multi-Dimensional Indicator Assessment Model for Evaluating Landslide Risk near Large Alpine Reservoirs
Hanyin Hu,
No information about this author
Ke Hu,
No information about this author
Xinyao Zhang
No information about this author
et al.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(12), P. 5201 - 5201
Published: June 14, 2024
Geological
disasters
in
large
alpine
reservoirs
primarily
take
the
form
of
landslide
occurrences
and
are
predominantly
induced
by
slope
instability.
Presently,
risk
monitoring
assessment
strategies
tend
to
prioritize
sudden
alerts
overlooking
progressive
trajectories
from
onset
creeping
deformations
within
its
critical
state
preceding
landslides.
Hence,
analyzing
safety
risks
over
time
demonstrates
a
significant
degree
hysteresis,
highlighting
necessity
for
comprehensive
approach
that
encompasses
both
gradual
precursors
events.
This
study
analyzes
factors
affecting
stability
establishes
evaluation
indicator
system
includes
terrain
morphology,
meteorological
conditions,
ecological
environment,
soil
human
activity,
external
manifestation.
It
proposes
quantitative
model
based
on
fuzzy
broad
learning
system,
aiming
accurately
assess
slopes
with
different
levels.
The
overall
accuracy
rate
reaches
92.08%.
multi-dimensional
provides
long-term
conditions
scientific
guidance
management
disaster
prevention
mitigation
long
scale
risky
reservoir
areas.
Language: Английский