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.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(16), P. 2934 - 2934
Published: Aug. 10, 2024
The
recurring
occurrence
of
green
tides
as
an
ecological
disaster
has
been
reported
annually
in
the
Yellow
Sea.
While
remote
sensing
technology
effectively
tracks
scale,
extent,
and
duration
tide
outbreaks,
there
is
limited
research
on
underlying
driving
mechanisms
drift
transport
determination
leeway
coefficient.
This
study
investigates
mechanism
evaluates
feasibility
estimating
coefficient
by
analyzing
velocities
obtained
from
Geostationary
Ocean
Color
Imager-II
(GOCI-II)
images
using
maximum
cross-correlation
(MCC)
technique
method
across
various
time
intervals
alongside
ocean
current
wind
speed
data.
results
reveal
following:
(1)
Significant
spatial
variations
movement,
with
a
distinct
boundary
at
34°40′N.
(2)
Short-term
primarily
influenced
tidal
forces,
while
currents,
especially
combined
Ekman
geostrophic
component,
predominantly
govern
net
transport.
(3)
Compared
to
1,
3,
7
h
intervals,
25
interval
feasible
for
moderate-resolution
geostationary
images,
yielding
values
consistent
previous
studies.
offers
new
insights
into
exploring
through
sensing-driven
velocity.
Frontiers in Marine Science,
Journal Year:
2023,
Volume and Issue:
10
Published: Oct. 6, 2023
Marine
litter
in
coastal
areas
can
bring
economic,
social,
and
environmental
damage,
especially
the
loss
of
aesthetic
value
a
tourist
site.
Therefore,
research
on
composition
marine
to
identify
its
sources
is
important
for
planning
strategic
action
minimize
problem.
This
study
analyzed
beach
five
beaches
(Kondangmerak,
Balekambang,
Ungapan,
Ngudel,
Goa
Cina)
along
Indian
Ocean
coastline
eastern
part
south
Java
region,
Indonesia.
All
are
known
as
famous
touristic
Malang
City,
receive
many
visitors,
during
holiday
season.
Beach
was
obtained
by
collecting
different
types
5
x
m
square
transect.
Five
transects
were
placed
strandline
at
each
beach,
intervals
20
separated
In
transect,
collected
counted
based
category
(plastic,
paper,
rubber,
fabric,
processed
wood,
metal,
glass,
ceramic,
hazardous
items)
size
(0.5–2.5cm,
2.5–5cm,
5–10
cm,
>
10
cm).
There
statistically
significant
variation
number
litters
among
sizes
(p<0.05).
However,
distribution
remained
consistent
across
regardless
size.
general,
with
cm
found
least
all
(<
15%),
while
other
three
categories
similar
numbers
(in
range
20%
50%).
Plastic
dominating
type
beaches.
Based
Clean
Coastal
Index,
considered
dirty
extremely
dirty.
product
tourism
activities,
littering
habits
play
role
source
areas.
Since
this
first
Java,
results
be
used
baseline
future
studies
prevent
debris
pollution
develop
management
strategies
reducing
impact
environment.
Journal of Marine Science and Engineering,
Journal Year:
2023,
Volume and Issue:
11(1), P. 68 - 68
Published: Jan. 2, 2023
The
accumulation
of
plastic
debris
on
land
and
coastlines
in
waterways
garbage
patches
is
one
the
greatest
ecological
concerns
21st
century.
In
that
context,
sources
pathways
marine
(PMD)
have
been
increasingly
studied
past
ten
years.
purpose
this
communication
was
to
analyze,
thanks
tracks
two
drifting
buoys
released
May–June
2019
North-East
Pacific,
features
encountered
within
Great
Pacific
Garbage
Patch
(GPGP):
a
surface
convergence,
which
could
lead
formation
hotspots,
persistency
floating
material
area
ocean.
evolution
distance
between
compared
with
local
circulation
field
divergence,
Lagrangian
dispersal
model
sea-level
anomalies
(SLAs).
These
analyses
highlighted
link
converging
behavior
drifters
persistent
negative
velocity
divergence
as
well
higher
than
average-encountered
modelled
density
(MPSD).
persistence
GPGP
observed
trajectory
longest
persisting
drifter
comparison
center
extent.
Cambridge Prisms Plastics,
Journal Year:
2024,
Volume and Issue:
2
Published: Jan. 1, 2024
Abstract
Marine
litter
poses
a
complex
challenge
in
Indonesia,
necessitating
well-informed
and
coordinated
strategy
for
effective
mitigation.
This
study
investigates
the
seasonality
of
plastic
concentrations
around
Sulawesi
Island
central
Indonesia
during
monsoon-driven
wet
dry
seasons.
By
using
open
data
methodologies
including
HYCOM
Parcels
models,
we
simulated
dispersal
waste
over
3
months
both
southwest
northeast
monsoons.
Our
research
extended
beyond
analysis,
as
actively
engaged
with
local
communities,
researchers
policymakers
through
range
outreach
initiatives,
development
web
application
to
visualize
model
results.
findings
underscore
substantial
influence
currents
on
surface
concentrations,
highlighting
seasonal
variation
risk
different
regional
seas.
adds
evidence
provided
by
coarser
resolution
ocean
modelling
studies,
emphasizing
that
is
key
driver
pollution
within
Indonesian
archipelago.
Inclusive
international
collaboration
community-oriented
approach
were
integral
our
project,
recommend
future
initiatives
similarly
engage
researchers,
communities
decision-makers
marine
aims
support
results
solutions
problem.
JMM (Jurnal Masyarakat Mandiri),
Journal Year:
2023,
Volume and Issue:
7(5), P. 4858 - 4858
Published: Oct. 1, 2023
Abstrak:
Sebuah
kegiatan
edukasi
lingkungan
berbasis
permainan
bagi
Generasi
Alpha
telah
dilaksanakan.
Kegiatan
ini
bertujuan
menumbuhkan
kesadaran
pada
anak-anak
usia
dini,
sekaligus
memberi
ruang
mahasiswa
Teknik
Lingkungan
Universitas
Presiden
dalam
menginternalisasi
nilai-nilai
luhur
Pancasila
konteks
penyelamatan
lingkungan.
Mitra
adalah
sebuah
panti
asuhan
di
Kabupaten
Bekasi
yang
mengasuh
30
generasi
Alpha.
Metode
digunakan
meliputi
mengenai
isu
dari
limbah
plastik,
praktik
aksi
nyata
bantuk
kreasi
kriya
plastik
bekas
pakai
dan
penanaman
terkait
gotong
royong
untuk
menjaga
Evaluasi
dilakukan
dengan
cara
memberikan
quis
impromptu
akhir
mengukur
pemahaman
peserta
dampak
sampah
cemaran
keterampilan
mengolah
plastik.
Hasil
evaluasi
menunjukkan
bahwa
100%
mitra
mendapatkan
peningkatan
pemahaman,
pengelolaan
plastik.Abstract:
An
educational
activity
to
raise
environmental
awareness
for
Generation
has
been
carried
out.
This
aims
foster
in
young
children,
as
well
providing
space
Environmental
Engineering
students
at
President
University
practice
the
noble
values
of
context
saving
environment.
The
partner
this
is
an
orphanage
Regency
which
cares
children
generation
methods
used
include
education
about
issue
plastic
waste
and
real
action
practices
creating
crafts
from
are
framed
within
framework
values.
Evaluation
out
by
giving
quiz
end
measures
participants'
understanding
impact
waste,
protecting
environment
pollution
practical
skill
processing
waste.
evaluation
results
show
that
participants
have
increased
understanding,
skills
related
management.
Marine
litter
poses
a
complex
challenge
in
Indonesia,
necessitating
well-informed
and
coordinated
strategy
for
effective
mitigation.
This
study
investigates
the
seasonality
of
plastic
concentrations
around
Sulawesi
Island
central
Indonesia
during
monsoon-driven
wet
dry
seasons.
By
using
open
data
methodologies
including
HYCOM
Parcels
models,
we
simulated
dispersal
waste
over
3
months
both
southwest
northeast
monsoons.
Our
research
extended
beyond
analysis,
as
actively
engaged
with
local
communities,
researchers
policymakers
through
range
outreach
initiatives,
development
web
application
to
visualize
model
results.
findings
underscore
substantial
influence
currents
on
surface
concentrations,
highlighting
seasonal
variation
risk
different
regional
seas.
adds
evidence
provided
by
coarser
resolution
ocean
modelling
studies,
emphasizing
that
is
key
driver
pollution
within
Indonesian
archipelago.
Inclusive
international
collaboration
community-oriented
approach
were
integral
our
project,
recommend
future
initiatives
similarly
engage
researchers,
communities
decision-makers
marine
aims
support
results
solutions
problem.
Marine
litter
poses
a
complex
challenge
in
Indonesia,
necessitating
well-informed
and
coordinated
strategy
for
effective
mitigation.
This
study
investigates
the
seasonality
of
plastic
concentrations
around
Sulawesi
Island
central
Indonesia
during
monsoon-driven
wet
dry
seasons.
By
using
open
data
methodologies
including
HYCOM
Parcels
models,
we
simulated
dispersal
waste
over
3
months
both
southwest
northeast
monsoons.
Our
research
extended
beyond
analysis,
as
actively
engaged
with
local
communities,
researchers
policymakers
through
range
outreach
initiatives,
development
web
application
to
visualize
model
results.
findings
underscore
substantial
influence
currents
on
surface
concentrations,
highlighting
seasonal
variation
risk
different
regional
seas.
adds
evidence
provided
by
coarser
resolution
ocean
modelling
studies,
emphasizing
that
is
key
driver
pollution
within
Indonesian
archipelago.
Inclusive
international
collaboration
community-oriented
approach
were
integral
our
project,
recommend
future
initiatives
similarly
engage
researchers,
communities
decision-makers
marine
aims
support
results
solutions
problem.
Marine
litter
poses
a
complex
challenge
in
Indonesia,
necessitating
well-informed
and
coordinated
strategy
for
effective
mitigation.
This
study
investigates
the
seasonality
of
plastic
concentrations
around
Sulawesi
Island
central
Indonesia
during
monsoon-driven
wet
dry
seasons.
By
using
open
data
methodologies
including
HYCOM
Parcels
models,
we
simulated
dispersal
waste
over
3
months
both
southwest
northeast
monsoons.
Our
research
extended
beyond
analysis,
as
actively
engaged
with
local
communities,
researchers
policymakers
through
range
outreach
initiatives,
development
web
application
to
visualize
model
results.
findings
underscore
substantial
influence
currents
on
surface
concentrations,
highlighting
seasonal
variation
risk
different
regional
seas.
adds
evidence
provided
by
coarser
resolution
ocean
modelling
studies,
emphasizing
that
is
key
driver
pollution
within
Indonesian
archipelago.
Inclusive
international
collaboration
community-oriented
approach
were
integral
our
project,
recommend
future
initiatives
similarly
engage
researchers,
communities
decision-makers
marine
aims
support
results
solutions
problem.