IOP Conference Series Materials Science and Engineering,
Journal Year:
2023,
Volume and Issue:
1294(1), P. 012019 - 012019
Published: Dec. 1, 2023
Abstract
Attention
is
given
to
the
mapping
of
marine
litter
pathways
due
their
negative
impact
on
environment,
society,
and
economy.
Many
models
have
been
created
examine
ocean
dynamics
particle
tracking
systems.
This
study
aims
contribute
these
existing
by
introducing
a
framework
called
“MATT’S
PATROLL:
MArine
liTTer’S
PATh,
faRe,
tOLL.”
examines
three
pillars
needed
for
management
litter,
computational,
socio-ecological,
economic
arms.
The
Lagrangian
model
used
spatio-temporal
behavior
litters
surface
ocean.
“faRe”
component
describes
direct
indirect
effects
meso-particles
sea
land
populations
while
they
wait
accumulate
shorelines
other
settlements.
“tOLL”
long-term
ecological
socio-economic
costs
ecosystems
in
water,
as
well
damage
loss
gross
revenue
from
sector
when
penetrate
habitats
livelihoods.
To
illustrate
framework,
artificially
generated
data
around
Visayas
region
simulate
path,
fare,
toll
calculations.
Marine Ecology Progress Series,
Journal Year:
2024,
Volume and Issue:
741, P. 289 - 300
Published: Jan. 22, 2024
Unlike
other
upwelling
areas
where
sardine
and
anchovy
species
dominate
the
pelagic
ecosystems,
Western
Iberian
ecosystem
has
been
consistently
dominated
by
European
Engraulis
encrasicolus
,
while
had
a
residual
presence
from
start
of
acoustic
surveys,
in
1989,
to
2014.
Since
2015,
abundance
margins
sharply
increased
continues
show
an
increasing
trend
as
2023.
It
is
unclear
if
this
increase
result
dispersal
nearby
recruitment
areas,
higher
survival
rates
early
life
stages
due
favorable
environmental
conditions,
or
both.
We
used
set
different
models
simulate
dispersion
region
for
years
preceding
abundance.
An
ocean
model
simulation
with
CROCO
provided
fields
background
Lagrangian
simulations
coupled
individual-based
eggs
larvae.
simulated
2013-2015,
results
that
2014
anomalous
upper-ocean
circulation
patterns
strong
persistent
westward
currents
transported
large
number
larvae
Bay
Biscay
(BoB)
along
Northern
margin.
The
maximum
transport
occurred
June
July
when
8
4%,
respectively,
spawned
BoB
potentially
reached
west
coast
This
process
might
explain
ecosystem.
study
episodes
intense
currents,
coincident
high
eggs,
can
lead
colonization
new
connectivity
between
varies
dramatically
time.
Ocean science,
Journal Year:
2025,
Volume and Issue:
21(1), P. 93 - 112
Published: Jan. 21, 2025
Abstract.
Agulhas
Leakage
transports
relatively
warm
and
salty
Indian
Ocean
waters
into
the
Atlantic
as
such
is
an
important
component
of
global
ocean
circulation.
These
are
part
upper
limb
meridional
overturning
circulation
(AMOC),
variability
has
been
linked
to
AMOC
variability.
expected
increase
under
a
warming
climate
due
southward
shift
in
Southern
Hemisphere
westerlies,
which
could
further
influence
dynamics.
This
study
uses
set
high-resolution
preindustrial
control,
historical
transient
simulations
with
Community
Earth
System
Model
(CESM)
nominal
horizontal
resolution
0.1°
for
sea
ice
0.25°
atmosphere
land.
At
these
resolutions,
model
represents
necessary
scales
investigate
transport
its
relation
AMOC.
The
simulated
19.7
±
3
Sv
lies
well
within
observed
range
21.3
4.7
Sv.
A
positive
correlation
between
Current
shown,
meaning
that
leads
Leakage.
impacts
strength
through
Rossby
wave
dynamics
alter
cross-basin
geostrophic
balance
time
lag
2–3
years.
Furthermore,
salt
associated
influences
salt–advection
feedback
by
reducing
AMOC's
freshwater
at
34°
S.
indeed
increases
strengthened
southward-shifting
winds.
In
contrast,
decreases
decrease
Indonesian
Throughflow
wind-driven
subtropical
gyre.
accompanied
higher
Ocean,
play
role
stability
via
feedback.
Abstract.
Agulhas
Leakage
transports
warm
and
salty
Indian
Ocean
waters
into
the
Atlantic
as
such
is
an
important
component
of
global
ocean
circulation.
These
are
part
upper
limb
Meridional
Overturning
Circulation
(AMOC),
variability
has
been
linked
to
AMOC
variability.
expected
increase
under
a
warming
climate
due
southward
shift
in
South
Hemisphere
westerlies,
which
could
further
influence
dynamics.
This
study
uses
set
high-resolution
pre-industrial
control
historical
transient
simulations
with
Community
Earth
System
Model
(CESM)
nominal
horizontal
resolution
0.1°
for
sea-ice
0.25°
atmosphere
land.
At
these
resolutions,
model
represents
necessary
scales
investigate
transport
its
relation
AMOC.
The
simulated
19.7
±
3
Sv
lies
well
within
observed
range
21.3
4.7
Sv.
A
positive
correlation
between
Current
shown,
meaning
that
leads
Leakage.
impacts
strength
through
Rossby
wave
dynamics
alter
cross-basin
geostrophic
balance
time-lag
2–3
years.
Furthermore,
salt
flux
associated
influences
salt-advection
feedback
by
reducing
AMOC’s
freshwater
at
34°
S.
indeed
increases
strengthened
shifting
winds.
In
contrast,
decreases,
both
decrease
Indonesian
Throughflow
wind-driven
subtropical
gyre.
accompanied
higher
Ocean,
suggests
destabilisation
salt-advection-feedback.
Geophysical Research Letters,
Journal Year:
2024,
Volume and Issue:
51(14)
Published: July 11, 2024
Abstract
Biological
productivity
in
the
Southern
Ocean
is
modulated
by
iron
availability.
Every
summer,
a
large
phytoplankton
bloom
forms
northwest
of
Ross
Sea,
above
Antarctic
Australian
Ridge
(AAR),
due
to
plume
iron‐rich
waters.
Here,
we
investigate
origin
and
trajectories
these
waters
analyzing
water
mass
observations
Lagrangian
experiments.
Output
from
State
Estimate
(SOSE)
situ
measurements
reveal
that
AAR
share
properties
with
Modified
Circumpolar
Deep
Water
(MCDW),
which
on
shelf‐slope.
The
experiments
are
conducted
using
SOSE
velocities.
Bloom
tracked
virtual
particles
highlight
an
along
isopycnal
pathway
MCDW
Antarctica's
shelf‐slope
site,
illustrating
advection
Balleny
Gyre.
These
results
supported
temperature‐salinity
analyses,
show
correlation
between
advected
northwards;
properties;
high
concentrations.
The
accumulation
of
sea
surface
debris
around
the
coastal
waters
Malta
poses
significant
ecological
and
environmental
challenges,
negatively
affecting
marine
ecosystems
human
activities.
This
issue
is
exacerbated
by
lack
an
effective
system
tailored
to
predict
movement
specifically
for
Islands
Malta.
To
address
this
gap,
a
pipeline
that
combines
machine
learning
(ML)
based
prediction
with
physics-based
model
proposed.
uses
historical
currents
(SSC)
velocities
data
forecast
future
conditions
visualise
movement.
Central
are
LSTM
GRU
models,
trained
SSC
next
24
hours
specific
area.
These
predictions
then
utilised
Lagrangian
simulate
movement,
providing
insights
into
dispersion
patterns.
A
comparative
evaluation
models
showed
outperformed
model,
lower
error
metrics
such
as
mean
absolute
(MAE),
squared
(MSE),
root
(RMSE),
alongside
narrower
interquartile
ranges
(IQR).
method
offers
approach
addressing
accurately
predicting
visualising
improving
cleanup
operations,
conservation
strategies.
Abstract.
Agulhas
Leakage
transports
warm
and
salty
Indian
Ocean
waters
into
the
Atlantic
Ocean
as
such
is
an
important
component
of
global
ocean
circulation.
These
are
part
upper
limb
Meridional
Overturning
Circulation
(AMOC),
variability
has
been
linked
to
AMOC
variability.
expected
increase
under
a
warming
climate
due
southward
shift
in
South
Hemisphere
westerlies,
which
could
further
influence
dynamics.
This
study
uses
set
high-resolution
pre-industrial
control
historical
transient
simulations
with
Community
Earth
System
Model
(CESM)
nominal
horizontal
resolution
0.1°
for
sea-ice
0.25°
atmosphere
land.
At
these
resolutions,
model
represents
necessary
scales
investigate
transport
its
relation
AMOC.
The
simulated
19.7
±
3
Sv
lies
well
within
observed
range
21.3
4.7
Sv.
A
positive
correlation
between
Current
shown,
meaning
that
leads
Leakage.
impacts
strength
through
Rossby
wave
dynamics
alter
cross-basin
geostrophic
balance
time-lag
2–3
years.
Furthermore,
the
salt
flux
associated
influences
salt-advection
feedback
by
reducing
AMOC’s
freshwater
at
34°
S.
indeed
increases
strengthened
shifting
winds.
In
contrast,
decreases,
both
decrease
Indonesian
Throughflow
wind-driven
subtropical
gyre.
accompanied
higher
Ocean,
suggests
destabilisation
salt-advection-feedback.
Oceans,
Journal Year:
2024,
Volume and Issue:
5(3), P. 672 - 694
Published: Sept. 10, 2024
The
accumulation
of
sea-surface
debris
around
the
coastal
waters
Malta
poses
significant
ecological
and
environmental
challenges,
negatively
affecting
marine
ecosystems
human
activities.
This
issue
is
exacerbated
due
to
lack
an
effective
system
tailored
predict
surface-debris
movement
specifically
for
Islands
Malta.
To
address
this
gap,
a
pipeline
that
combines
machine
learning-based
prediction
with
physics-based
model
proposed.
uses
data
on
historical
current
velocities
forecast
future
conditions
visualise
movement.
Central
are
two
learning
models
trained
surface
next
24
h
specific
area.
These
predictions
then
utilised
in
Lagrangian
simulate
movement,
providing
insights
into
dispersion
patterns.
A
comparative
evaluation
both
using
real-world
made
determine
which
one
performs
best
application.
method
offers
approach
addressing
by
accurately
predicting
visualising
improving
cleanup
operations
conservation
strategies.