Journal of Hydrology Regional Studies,
Journal Year:
2022,
Volume and Issue:
44, P. 101213 - 101213
Published: Sept. 29, 2022
Reservoir
eutrophication
is
a
critical
natural
hazard
in
countries
with
rapid
agricultural
and
industrial
development.
To
simulate
the
of
Fengshan
Reservoir,
algal
bloom
occurrence
patterns
reservoir
were
modeled
using
Environmental
Fluid
Dynamics
Code
(EFDC)
for
understanding
dynamics.
The
calibration
validation
EFDC
performed
by
comparing
model
results
field
data.
was
calibrated
against
hydrodynamic
data,
including
water
level
temperature,
quality
data
from
four
monitoring
stations
study
area.
Uncertainty
analysis
conducted
perturbance
moment
method
(PMM)
model.
Parameter
uncertainty
considered
this
study.
order
importance
parameters
terms
their
contribution
to
overall
simulations
obtained.
validated
then
used
investigate
three
contaminant
remediation
scenarios:
(a)
increasing
level,
(b)
dilution,
(c)
reaeration.
Operational
also
considered,
as
there
exists
variability
effort
project
execution
complex
engineering
system
like
reservoirs.
Finally,
probabilistic
risk
mapping
established
each
facilitate
decision-making
assessment.
Engineering Applications of Computational Fluid Mechanics,
Journal Year:
2022,
Volume and Issue:
16(1), P. 694 - 712
Published: Feb. 27, 2022
Characterizing
and
forecasting
coastal
water
quality
spatiotemporal
evolution
should
be
significant
to
ecosystem
management.
However,
high-quality
modeling
their
evolutions
is
rather
challenging
due
complex
dynamic
mechanisms
especially
in
a
spatially
temporally
heterogenous
semi-enclosed
bay.
To
this
end,
study
develops
framework
incorporating
machine
learning
(ML)
algorithms
the
Environmental
Kuznets
Curves
(EKC)
analysis
model,
analyze
forecast
variations
of
indicators
for
different
subzones
seasons
Tolo
Harbour
Hong
Kong.
The
application
results
indicate
that
developed
ML-based
with
an
accuracy
range
0.672
∼
0.998
well-suited
understanding
harbour
compared
conventional
approach.
Furthermore,
characteristics
bay
are
analyzed
discussed
hydro-environmental
Moreover,
EKC
also
performed
determining
essential
variables
under
95%
confidence
interval
Kong
PCGDP
projection
then
implemented
model
future
prediction.
