Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 19, 2023
Abstract
River
freshwater
fluxes
are
fundamental
inputs
for
regional
and
global
ocean
models.
Nonetheless,
most
models
currently
forced
by
climatological
runoff
data,
encompassing
several
limitations
resulting
in
significant
biases
the
simulated
conditions.
This
study
evaluates
daily
river
discharge
into
South
East
Asia
(SEA),
a
region
having
one
of
greatest
runoffs
world.
The
data
provided
at
1/10°
resolution
Global
Flood
Awareness
System
(GloFAS)
reanalysis
through
comparison
with
observed
records
climatology.
advantages
using
such
high
product
numerical
simulation
assessed
looking
its
impact
on
variability
distribution
sea
surface
salinity
(SSS),
mesoscale
processes
particles’
Lagrangian
dispersion
within
Indonesian
seas.
Our
results
show
satisfying
performance
GloFAS
major
rivers
China
Sea,
while
no
systematic
errors
were
identified
remaining
areas
interest.
Finally,
realistic
modeling
whole
SEA
region,
we
underline
importance
accurate
discharges
order
to
properly
reproduce
local
dynamics,
which
play
key
role
shaping
SSS
patterns
affect
stranding
marine
debris.
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
199, P. 115985 - 115985
Published: Jan. 6, 2024
Although
the
Indian
Ocean
receives
a
large
amount
of
land-based
plastic
waste,
studies
on
pathways
riverine
debris
are
limited
to
date.
Therefore,
particle
tracking
model
that
included
ocean
surface
currents,
horizontal
diffusion,
Stokes
drift,
windage,
and
beaching/re-drifting
processes
was
developed
reproduce
behavior
in
Ocean.
The
modeled
particles
were
released
domain
based
database.
maximum
abundance
beached
occurred
during
southwesterly
monsoon
season,
particularly
Bay
Bengal.
from
rivers
trapped
northern
unless
both
drift
windage
excluded
transportation
velocity.
These
results
suggest
until
it
fragmented
into
less
buoyant
small
microplastics
drifting
subsurface
layer,
free
at
increasing
depths.
Journal of Marine Science and Engineering,
Journal Year:
2024,
Volume and Issue:
12(2), P. 319 - 319
Published: Feb. 13, 2024
The
persistent
increase
in
marine
plastic
litter
has
become
a
major
global
concern,
with
one
of
the
highest
concentrations
world’s
oceans
found
Wider
Caribbean
Region
(WCR).
In
this
study,
we
use
tracking
simulations
to
investigate
where
accumulates,
i.e.,
hotspots,
WCR
and
how
accumulation
varies
on
seasonal
timescales.
We
show
that
most
waste
converges
coastlines
shortly
after
being
released
into
because
strong
surface
current
predominant
easterly
winds.
Major
accumulations
take
place
along
(i)
western
coastline
WCR,
especially
north–south-oriented
coasts
Costa
Rica/Nicaragua,
Guatemala/Belize/Mexico,
Texas,
(ii)
Haiti–Dominican
Republic
Venezuela.
Relatively
low
is
Florida,
Yucatán
peninsula,
leeward
windward
islands.
Accumulation
modulated
primarily
by
ocean
currents
exhibits
significant
variabilities
due
changes
wind
patterns.
observed
Venezuela
proximity
large,
mismanaged
sources.
Finally,
discuss
uncertainty
associated
choices
made
defining
different
criteria
for
beaching
models.
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
201, P. 116191 - 116191
Published: Feb. 29, 2024
Management
of
plastic
litter
in
Marine
Protected
Areas
(MPAs)
is
expensive
but
crucial
to
avoid
harms
critical
environments.
In
the
present
work,
an
open-source
numerical
modelling
chain
proposed
estimate
seasonal
pathways
and
fates
macro-plastics,
hence
support
effective
planning
implementation
sea
beach
cleaning
operations.
The
approach
applied
nearshore
region
that
includes
MPA
Capo
Milazzo
(Italy).
A
sensitivity
analysis
on
influence
tides,
wind,
waves
river
floods
over
year
indicates
seasonality
only
slightly
affects
location
extension
macro-plastic
accumulation
zones,
operations
should
be
performed
autumn.
Instead,
rivers
distribution
for
optimal
interventions
coastal
area.
CLEAN - Soil Air Water,
Journal Year:
2025,
Volume and Issue:
53(1)
Published: Jan. 1, 2025
ABSTRACT
Marine
plastics
stranded
on
the
coastlines
of
remote
small
islands
threaten
both
ecological
integrity
local
ecosystems
and
communities’
well‐being.
However,
despite
growing
quantities
in
these
locations,
nature
sites
renders
monitoring
intervention
efforts
difficult
to
undertake.
Within
this
context,
we
developed
a
citizen
science
approach
monitor
marine
collaboration
with
villagers
living
island
Indonesia.
This
study
reports
co‐development
application
an
that
can
be
used
maintained
independently
by
coastal
communities.
In
stage,
participants
quantified
weight
composition
debris
beach
located
their
village
for
4‐week
period
from
late
May
mid‐June
2021.
The
results
revealed
weekly
accumulation
was
3.97
kg/m
2
,
58%
categorized
as
plastics.
sampled
were
sorted
collected
recycling,
estimated
provide
total
economic
value
91,700
Indonesian
Rupiahs
(USD
5.84),
or
equivalent
12.77%
average
monthly
household
income
area.
activities
indicated
capable
operating
designed
system
effectively,
added
benefits
supplementary
earnings
recycling.
An
operated
combined
collection
recyclable
items
is
important
have
manage
increasing
lack
adequate
waste
management
system.
Water Environment Research,
Journal Year:
2025,
Volume and Issue:
97(2)
Published: Jan. 29, 2025
Abstract
The
COVID‐19
pandemic
has
led
to
significant
societal
disruptions,
prompting
the
Indonesian
government
implement
various
measures,
including
partial
lockdowns
or
Community
Activities
Restrictions
Enforcement
(CARE),
curb
virus's
spread.
This
research
aims
assess
impact
of
environmental
parameters
on
Cirebon's
estuaries,
focusing
physical
components
(such
as
temperature,
total
solids
[TS],
and
turbidity),
chemical
(including
pH,
biochemical
oxygen
demand
(BOD),
dissolved
(DO),
nitrate,
phosphate),
microbiology
(specifically
coliforms).
These
comprehensive
have
notably
impacted
during
pre‐,
during,
post‐COVID‐19
based
Water
Quality
Index
(WQI)
assessment
in
estuaries.
In
port
city
Cirebon,
located
Java
Island's
northern
coast,
water
quality
three
river
estuaries
Kesenden,
Sukalila,
Kalijaga
was
analyzed
before
after
CARE
implementation.
samples
collected
2019,
2020,
2022,
2023
were
evaluated
against
Class
II
standards
per
Government
Regulation
No.
22
2021.
WQI
determined
using
National
Sanitation
Foundation
(NSF‐WQI)
technique
revealing
fluctuations
trends
across
stations
over
2019–2023.
at
recorded
52.21,
56.40,
53.36,
respectively.
By
began
COVID
19,
there
a
noticeable
decreasing
WQI,
Sukalila
sustained
“Moderate”
classification
with
54.59,
whereas
Kesenden
witnessed
declines
values
49.5
49.7,
However,
peak‐implementation
program
2022
saw
drastic
decline
quality,
dropping
below
threshold
all
observed
stations,
23.97
23.10
35.36
Kalijaga.
Meanwhile,
experienced
increasing
(remained
poor
category)
index
44.31,
35.14,
42.0
Kalijaga,
findings
underscore
complex
interplay
between
human
activities
health,
highlighting
need
for
sustainable
practices
robust
management
policies
mitigate
adverse
effects
such
disruptions.
results
from
monitoring
ocean
health
pre‐
post‐the
implementation
era
provided
unique
opportunity
reflect
behavior
its
environment,
emphasizing
importance
adopting
pro‐environmental
behaviors
support
development
post‐pandemic
era.
Practitioner
Points
onset
an
improvement
due
reduction
industrial
resulting
CARE.
anthropogenic
industry
transportation,
which
lead
DO,
coliform
because
phosphate,
turbidity,
solid,
BOD.
2023,
marked
Cirebon.
period
reduced
pressure
offers
valuable
insights
policymakers
develop
strategies
maintain
further
improve
post‐pandemic.
