Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 24, 2023
Abstract
Contact
tracing
plays
a
crucial
role
in
identifying
exposed
individuals
at
high
risk
of
infection
during
disease
outbreaks.
In
this
paper,
we
propose
fuzzy
logic-based
contact
model
for
predicting
high-risk
The
utilizes
various
input
parameters,
including
distance,
overlap
time,
visiting
time
lag,
incubation
and
facility
size,
to
assess
the
infection.
Through
application
logic,
enables
modeling
complex
relationships
uncertainties
associated
with
these
parameters.
We
evaluated
using
simulated
data,
demonstrating
its
effectiveness
different
levels
risk.
evaluation
includes
partial
evaluation,
comprehensive
inputs
assessment
impact
each
parameter
on
results
highlight
importance
considering
multiple
factors
provide
insights
into
key
parameters
that
significantly
influence
assessment.
proposed
has
potential
assist
public
health
authorities
making
informed
decisions
implementing
targeted
interventions
mitigate
spread
diseases
outbreak
situations.
Moreover,
it
helps
alleviate
unnecessary
fear
among
who
are
less
likely
have
been
infected.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
921, P. 171083 - 171083
Published: Feb. 20, 2024
The
role
of
estuaries
in
sourcing
and
transforming
dissolved
organic
matter
-
the
largest
reservoir
carbon
ocean
still
presents
many
unknowns
for
coastal
biogeochemical
cycles,
is
further
complicated
by
increasing
human
pressures
a
changing
climate.
Here,
we
examined
major
drivers
colored
(CDOM)
dynamics
Long
Island
Sound
(LIS),
heavily
urbanized
estuary
National
Significance
with
storied
water
quality
past.
A
comprehensive
new
optical
dataset,
including
measurements
CDOM
absorption
fluorescence
signatures,
was
integrated
biological
hydrological
to
capture
spatiotemporal
heterogeneities
LIS,
its
urban-to-rural
gradient,
dynamic
river
mouths,
blue
ecosystems
across
seasons,
following
episodic
storm
events,
over
five
years.
Results
reveal
longitudinal
gradients
both
DOM
amount
quality.
While
carbon-rich
humic
terrigenous
dominant
riverine-influenced
Central
Eastern
an
uncoupling
between
(aCDOM)
(DOC)
concentration
Western
stronger
correlation
Chlorophyll-a,
indicated
increased
autochthonous
production.
Closer
New
York
City
urban
core,
aCDOM
highly
correlated
turbidity,
consistent
wastewater
influences.
Fluorescence
PARAFAC
analysis
provided
strong
evidence
seasonal
processing
related
summertime
photochemical
degradation
humic-like
components
shoulder-season
microbial
processing.
Riverine
export
influenced
discharge
amount,
residence
time,
wetlands
acting
as
additional
sources
strongly
aromatic
matter.
These
allowed
us
assess
how
hydrologic,
biological,
anthropogenic
processes
impact
and,
subsequently,
variability
trophic
status
this
complex
estuary,
implications
management
policy.
discussed
here
are
applicable
beyond
globally
face
similar
forcings.
Journal of Geophysical Research Biogeosciences,
Journal Year:
2024,
Volume and Issue:
129(3)
Published: Feb. 29, 2024
Abstract
Dissolved
organic
matter
and
its
colored
component,
Colored
Organic
Matter
(CDOM),
play
a
major
role
in
global
carbon
budgets,
their
fluxes
provide
an
essential
link
between
terrestrial
aquatic
biogeochemical
cycles.
Satellite
observations
can
uniquely
capture
the
hydro‐biogeochemical
connectivity
of
landscapes,
across
scales.
Yet,
accurate
satellite
retrievals
CDOM
dissolved
(DOC)
dynamics
remain
challenging
urbanized
estuaries
coasts.
Here,
we
present
advanced
unified
algorithm
for
space‐based
retrieval
coastal
DOC
application
Long
Island
Sound—one
world's
most
heavily
that
is
becoming
increasingly
vulnerable
to
climate
change
stressors.
A
rich
bio‐optical
data
set,
encompassing
wide
range
environmental
conditions,
was
integrated
into
training
retrieve
concentrations
spectral
shape
(i.e.,
slope
S
275–295
)—a
proxy
quality.
The
new
algorithms
were
applied
full‐resolution
imagery
from
Sentinel‐3
Ocean
Land
Color
Instrument
(OLCI)
after
thoroughly
evaluating
performance
six
ocean
color
atmospheric
correction
approaches
(ACOLITE,
BAC,
C2RCC,
MUMM,
l2gen
,
Polymer).
Evaluation
yielded
mean
absolute
percent
differences
28%,
12%,
10%
(300),
DOC,
respectively.
Application
multi‐year
OLCI
captured,
first
time,
coupled
impact
seasonal
transitions,
wind
regimes,
freshwater
inputs,
anthropogenic
disturbances,
hydrological
extremes
(both
intense
precipitation
droughts)
on
quality
at
ecosystem
scale.
Results
have
important
implications
improved
predictions
complex
urban−estuary
systems.
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.