Fate of a toxic Microcystis aeruginosa bloom introduced into a subtropical estuary from a flow-managed canal and management implications
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
375, P. 124362 - 124362
Published: Feb. 1, 2025
The
Caloosahatchee
Estuary
in
southwest
Florida,
USA,
is
regularly
subject
to
the
introduction
of
toxic
Microcystis
aeruginosa
blooms,
often
originating
from
eutrophic
Lake
Okeechobee
via
C-43
Canal.
focus
this
study
was
determine
responses
one
these
introduced
blooms
progressively
elevated
salinity
levels
as
bloom
water
mass
moved
through
estuary.
In
upper
estuary,
salinities
were
freshwater,
and
surface
large
colonies
M.
observed,
along
with
peak
microcystin
toxin
concentrations
up
107
μg
L-1,
all
particulate
fraction.
mid-estuary,
increased
2-6,
again
259
however,
significant
extracellular
also
observed
(i.e.,
17.8
L-1),
suggesting
a
level
osmotic
stress
on
aeruginosa.
lower
ranged
6
25
very
few
viable
but
0.5
L-1)
present
throughout
column.
It
noteworthy
that
average
total
column
+
extracellular)
remained
constant
movement
during
its
transit
revealing
negligible
rate
degradation
ten-day
transit.
results
provide
insights
into
changes
distribution
gradient,
which
has
implications
for
management
risks
ecosystem
human
health,
how
may
be
affected
by
releases
three
control
structures
Discharge
rates
play
major
roles
Canal-Caloosahatchee
ecosystem.
potential
discharge
regulation
are
discussed
perspectives
allochthonous
autochthonous
origin.
Language: Английский
Satellite remote sensing of turbidity in Lake Xingkai using eight years of OLCI observations
Li Jian,
No information about this author
Yang Li,
No information about this author
Kaishan Song
No information about this author
et al.
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
377, P. 124636 - 124636
Published: Feb. 26, 2025
Language: Английский
A review of machine learning and internet-of-things on the water quality assessment: methods, applications and future trends
Gangani Dharmarathne,
No information about this author
A.M.S.R. Abekoon,
No information about this author
Madhusha Bogahawaththa
No information about this author
et al.
Results in Engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 105182 - 105182
Published: May 1, 2025
Language: Английский
Assessment of the Impact of Meteorological Variables on Lake Water Temperature Using the SHapley Additive exPlanations Method
Water,
Journal Year:
2024,
Volume and Issue:
16(22), P. 3296 - 3296
Published: Nov. 17, 2024
The
water
temperature
of
lakes
is
one
their
fundamental
characteristics,
upon
which
numerous
processes
in
lake
ecosystems
depend.
Therefore,
it
crucial
to
have
detailed
knowledge
about
its
changes
and
the
factors
driving
those
changes.
In
this
article,
a
neural
network
model
was
developed
examine
impact
meteorological
variables
on
by
integrating
daily
data
with
interday
variations.
Neural
networks
were
selected
for
ability
complex,
non-linear
relationships
between
variables,
often
found
environmental
data.
Among
various
architectures,
Artificial
Network
(ANN)
chosen
due
superior
performance,
achieving
an
R2
0.999,
MSE
0.0352,
MAE
0.1511
validation
tests.
These
results
significantly
outperformed
other
models
such
as
Multi-Layer
Perceptrons
(MLPs),
Recurrent
Networks
(RNNs),
Long
Short-Term
Memory
(LSTM).
Two
(Lake
Mikołajskie
Sławskie)
differing
morphometric
parameters
located
different
physico-geographical
regions
Poland
analyzed.
Performance
metrics
both
show
that
capable
providing
accurate
forecasts,
effectively
capturing
primary
patterns
data,
generalizing
well
new
datasets.
Key
cases
turned
out
be
air
temperature,
while
response
wind
cloud
cover
exhibited
diverse
result
features
locations
measurement
sites.
Language: Английский