Critical Reviews in Environmental Science and Technology,
Journal Year:
2011,
Volume and Issue:
41(sup1), P. 382 - 394
Published: Feb. 17, 2011
Three
hurricanes
(Frances
and
Jeanne
in
2004
Wilma
2005)
passed
over
Lake
Okeechobee
causing
a
number
of
changes
its
sediment
environment.
The
unconsolidated
atop
the
mud
sediments
central
region
lake
became
thicker
due
to
settling
deposition
resuspended
after
passed.
increased
layer
was
more
easily
resuspended,
resulted
sustained
higher
solids
nutrient
concentrations
lower
light
transparency
water
column
for
than
4
years
Hurricanes
Frances
disturbed
consolidated
depth
7–15
cm
from
surface
while
Hurricane
extended
disturbance
25
cm.
Concentrations
total
suspended
(TSS)
four
sixfold
hurricanes.
high
concentration
TSS
continuous
maintained
2–4
times
normal
situation
until
present.
contributed
decrease
submerged
aquatic
vegetation
(SAV)
density
4–34
g
dw/m2
0.1–4
primarily
through
scouring.
SAV
recovery
very
slow
increasing
turbidity
reduced
transparency.
Water Science & Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 14, 2025
This
work
demonstrates
the
development,
calibration,
and
use
of
three-dimensional
Environmental
Fluid
Dynamics
Code
(EFDC)
hydrodynamic
mass
transport
model
to
simulate
mixing
patterns
study
environmental
controls
on
residence
time
distributions
a
1.3
ha
agricultural
wetland
in
central
Iowa.
Incorporating
time-varying
flow
boundary
conditions
atmospheric
forcing,
was
calibrated
against
observed
state
variables,
including
water
temperatures,
basin
hydraulic
characteristics,
dye
concentrations
monitored
at
outlet
for
six
tracer
studies
conducted
under
varying
when
submersed
aquatic
vegetation
mostly
absent
from
basin.
EFDC
reasonably
reproduced
internal
hydraulics,
dynamics,
with
mean
absolute
relative
errors
ranging
0.02
16.3%.
Sensitivity
analyses
suggest
that
wind
shear
exerts
greatest
control
modeled,
by
extension
observed,
RTD
this
system,
primarily
affecting
measures
short-circuiting
and,
lesser
degree,
basin-wide
mixing,
particularly
absence
thermal
forcing.
Thermal
forcing
found
significantly
influence
during
warmer
periods,
effect
being
highly
influenced
wind.
Transient
flows
nominally
most
save
median
times.
Lakes & Reservoirs Science Policy and Management for Sustainable Use,
Journal Year:
2014,
Volume and Issue:
19(2), P. 118 - 129
Published: June 1, 2014
Abstract
Lake
Okeechobee
is
a
large,
shallow
subtropical
lake,
located
in
south
Florida.
Over
the
last
several
decades,
has
experienced
accelerated
eutrophication
due
to
excessive
phosphorus
loads
from
agricultural
run‐off.
Recycling
of
bottom
sediments
through
resuspension
critical
addressing
lake
and
for
water
quality
management.
The
present
study
investigates
impacts
wind
waves
on
sediment
transport
Okeechobee,
using
measured
data
Environmental
Model
(
LOEM
).
was
fully
calibrated
verified
with
more
than
10
years
previous
studies.
Analysis
indicates
significant
wave
height
(SWH)
suspended
concentration
are
closely
correlated
speed
lake.
nonlinear
interaction
high‐frequency
relatively
low‐frequency
currents
boundary
layer
plays
key
role
deposition/resuspension.
Without
considering
effects
waves,
shear
stress
can
be
greatly
underestimated.
spatial
variations
variables
modelling,
including
SWH,
depth,
orbital
velocity,
current
concentration,
discussed.
In
general,
near‐bottom
velocity
(and
associated
stress)
greater
or
same
order
magnitude
as
near‐bed
this
system.
Although
zones
were
described
studies,
few
published
papers
discussed
its
formation
mechanisms.
findings
include
that
multiyear
averaged
wind‐wave
effect
forming
patterns
zones.
results
currently
being
used
management
developing
strategies
reducing