Journal of Natural Resources and Agricultural Ecosystems,
Journal Year:
2023,
Volume and Issue:
1(2), P. 63 - 76
Published: Jan. 1, 2023
Highlights
Machine
Learning
(ML)
models
are
identified,
reviewed,
and
analyzed
for
HAB
predictions.
Data
preprocessing
is
vital
efficient
ML
model
development.
toxin
production
monitoring
limited.
Abstract.
Harmful
algal
blooms
(HABs)
detrimental
to
livestock,
humans,
pets,
the
environment,
global
economy,
which
calls
a
robust
approach
their
management.
While
process-based
can
inform
practitioners
about
enabling
conditions,
they
have
inherent
limitations
in
accurately
predicting
harmful
blooms.
To
address
these
limitations,
potentially
leverage
large
volumes
of
IoT
data
aid
near
real-time
evolved
as
tools
understanding
patterns
relationships
between
water
quality
parameters
expansion.
This
review
describes
currently
used
forecasting
HABs
freshwater
ecosystems
presents
structures
application
related
toxins.
The
revealed
that
regression
trees,
random
forest,
Artificial
Neural
Network
(ANN),
Support
Vector
Regression
(SVR),
Long
Short-Term
Memory
(LSTM),
Gated
Recurrent
Unit
(GRU)
most
frequently
monitoring.
shows
models'
prowess
identifying
significant
variables
influencing
growth,
drivers,
multistep
prediction.
Hybrid
also
improve
prediction
algal-related
through
improved
optimization
techniques
variable
selection
algorithms.
often
focus
on
biomass
prediction,
few
studies
apply
limitation
be
associated
with
lack
high-frequency
datasets
development,
exploring
this
domain
encouraged.
serves
guide
policymakers
researchers
implement
reveals
potential
decision
support
early
Keywords:
Cyanobacteria,
Freshwater,
blooms,
learning,
Water
quality.
Water,
Journal Year:
2024,
Volume and Issue:
16(17), P. 2525 - 2525
Published: Sept. 5, 2024
Marine
eutrophication,
primarily
driven
by
nutrient
over
input
from
agricultural
runoff,
wastewater
discharge,
and
atmospheric
deposition,
leads
to
harmful
algal
blooms
(HABs)
that
pose
a
severe
threat
marine
ecosystems.
This
review
explores
the
causes,
monitoring
methods,
control
strategies
for
eutrophication
in
environments.
Monitoring
techniques
include
remote
sensing,
automated
situ
sensors,
modeling,
forecasting,
metagenomics.
Remote
sensing
provides
large-scale
temporal
spatial
data,
while
sensors
offer
real-time,
high-resolution
monitoring.
Modeling
forecasting
use
historical
data
environmental
variables
predict
blooms,
metagenomics
insights
into
microbial
community
dynamics.
Control
treatments
encompass
physical,
chemical,
biological
treatments,
as
well
advanced
technologies
like
nanotechnology,
electrocoagulation,
ultrasonic
treatment.
Physical
such
aeration
mixing,
are
effective
but
costly
energy-intensive.
Chemical
including
phosphorus
precipitation,
quickly
reduce
levels
may
have
ecological
side
effects.
Biological
biomanipulation
bioaugmentation,
sustainable
require
careful
management
of
interactions.
Advanced
innovative
solutions
with
varying
costs
sustainability
profiles.
Comparing
these
methods
highlights
trade-offs
between
efficacy,
cost,
impact,
emphasizing
need
integrated
approaches
tailored
specific
conditions.
underscores
importance
combining
mitigate
adverse
effects
on
Sensors,
Journal Year:
2022,
Volume and Issue:
22(12), P. 4316 - 4316
Published: June 7, 2022
Agricultural
robots
are
one
of
the
important
means
to
promote
agricultural
modernization
and
improve
efficiency.
With
development
artificial
intelligence
technology
maturity
Internet
Things
(IoT)
technology,
people
put
forward
higher
requirements
for
robots.
must
have
intelligent
control
functions
in
scenarios
be
able
autonomously
decide
paths
complete
tasks.
In
response
this
requirement,
paper
proposes
a
Residual-like
Soft
Actor
Critic
(R-SAC)
algorithm
realize
safe
obstacle
avoidance
path
planning
addition,
order
alleviate
time-consuming
problem
exploration
process
reinforcement
learning,
an
offline
expert
experience
pre-training
method,
which
improves
training
efficiency
learning.
Moreover,
optimizes
reward
mechanism
by
using
multi-step
TD-error,
solves
probable
dilemma
during
training.
Experiments
verify
that
our
proposed
method
has
stable
performance
both
static
dynamic
environments,
is
superior
other
learning
algorithms.
It
efficient
visible
application
potential
Expert Systems,
Journal Year:
2023,
Volume and Issue:
42(1)
Published: Aug. 14, 2023
Abstract
At
present,
the
mainstream
mode
of
machine
learning
algorithms
is
data‐driven
method,
which
mainly
relies
on
self‐learning
ability
deep
neural
networks
and
continuously
evolving
models
in
training.
However,
pure
method
has
some
critical
problems,
such
as
high
data
collection
cost,
poor
interpretability
easy
to
be
disturbed
by
noise.
Although
knowledge‐driven
stability,
it
lacks
evolution
face
comprehensive
complex
problems.
In
recent
years,
convergence
domain
knowledge
combined
advantages
both
paradigms.
One
typical
way
embed
into
model
improve
model,
then
use
explore
knowledge,
iterate
form
a
closed
loop.
The
data‐knowledge
dual‐driven
methods
have
brought
transformative
innovations
learning.
This
review
first
introduced
necessity
field
artificial
intelligence.
Then,
applications
smart
marine
were
introduced.
Finally,
challenges
trends
intelligence
are
anticipated.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(13), P. 2444 - 2444
Published: July 3, 2024
Cyanobacterial
harmful
algal
blooms
release
toxins
and
form
thick
blanket
layers
on
the
water
surface
causing
widespread
problems,
including
serious
threats
to
human
health,
ecosystem,
economics,
recreation.
To
identify
potential
drivers
for
bloom,
there
is
a
need
extensive
observations
of
sources
with
bloom
occurrences.
However,
traditional
methods
monitoring
sources,
such
as
collection
point
ground
samples,
have
proven
limited
due
spatial
temporal
variability
resources,
cost
associated
collecting
samples
that
accurately
represent
this
variability.
These
limitations
can
be
addressed
through
use
high-frequency
satellite
data.
In
study,
we
explored
Random
Forest
(RF),
which
one
widely
used
machine
learning
architectures,
evaluate
performance
Sentinel-3
OLCI
(Ocean
Land
Color
Imager)
images
in
predicting
proxies
western
region
Lake
Erie.
The
sixteen
available
bands
were
predictor
variables,
while
four
cyanobacterial
masses,
Chlorophyll-a,
Microcystin,
Phycocyanin,
Secchi-depth,
considered
response
variables
RF
models,
model
per
proxy.
Each
comes
unique
set
traits
help
detection.
Among
Chlorophyll-a
performed
best
R2
=
0.55
RMSE
20.84
µg/L,
rest
other
was
less
than
0.5.
This
because
most
dominant
optically
active
pigment
water,
strong
indicator
present
low
concentrations.
Additionally,
responsible
toxicity,
has
spectral
sensitivity,
Secchi-depth
could
influenced
by
various
factors
besides
blooms,
colored
dissolved
organic
inorganic
matter.
On
further
examining
relationship
between
proxies,
Microcystin
significantly
correlated
enhances
usefulness
identifying
presence
blooms.
Measurement Sensors,
Journal Year:
2023,
Volume and Issue:
29, P. 100877 - 100877
Published: Aug. 8, 2023
This
research
proposes
an
IoT
based
technique
for
predicting
rainfall
forecast
in
coastal
regions
using
a
deep
reinforcement
learning
model.
The
proposed
utilizes
Long
Short-Term
Memory
(LSTM)
networks
to
capture
the
temporal
dependencies
between
data
collected
from
and
prediction
model
parameters.
is
evaluated
on
dataset
of
India
compared
traditional
methods
forecasting.
accuracy
reliability
these
models
are
by
comparing
them
prior
models.
Precipitation
locations
may
be
predicted
with
average
89%
suggested
model,
as
shown
results.
framework
computationally
efficient
can
trained
little
input.
results
this
give
strong
evidence
that
effective
tool
precipitation