Environmental Monitoring and Assessment,
Journal Year:
2024,
Volume and Issue:
196(4)
Published: March 11, 2024
Abstract
The
surface
sediments
from
eleven
sectors
perpendicular
to
the
Egyptian
Mediterranean
Sea
coast,
along
delta
region,
have
been
assessed.
These
cover
areas
of
Eastern
Harbour,
Abu
Qir
Bay,
Rosetta,
Abo
Khashaba,
Burullus,
Baltim,
Damietta,
and
Manzala.
assessment
process
is
based
on
determining
eight
metals’
(Fe,
Cu,
Zn,
Mn,
Ni,
Co,
Pb,
Cd)
content,
followed
by
applying
different
pollution
ecological
risk
indices
such
as
enrichment
factor
(EF),
geoaccumulation
(
I
geo
),
contamination
(CF),
Pollution
Load
Index
(PLI),
degree
C
deg.
Nemerow
Integrated
(NIPI),
Potential
Ecological
Risk
(PERI).
results
indicate
average
concentrations
metals
(μg/g)
were
Fe
(18,000),
Mn
(213),
Zn
(120),
Ni
(26),
Co
(13),
Cu
(12),
Pb
(10),
Cd
(2).
single-pollution
reveal
that
most
depleted
metal
levels,
moderately
polluted
with
unpolluted
other
metals,
CF
values
confirmed
highly
low
contaminated
rest
metals.
According
integrated
indices,
Manzalah,
Bardawil
(eastern
Inlet)
are
relative
rest,
subjected
various
point
sources
pollution.
Drainage
management
system
recommended
enhance
water
conservation
improve
fish
stocks.
Water,
Journal Year:
2023,
Volume and Issue:
15(3), P. 573 - 573
Published: Feb. 1, 2023
Coastal
environments
need
continuous
environmental
risk
assessment,
especially
with
increasing
coastal
development
and
human
activities.
The
present
work
evaluates
the
distribution,
contamination,
of
potentially
toxic
elements
(PTEs)
in
sediments
between
Al-Jubail
Al-Khafji
cities
along
Arabian
Gulf,
Saudi
Arabia,
documents
influence
background
references
applied
pollution
indices.
Thirty-two
sediment
samples
were
collected
for
analysis
Ni,
Cu,
Cr,
As,
Zn,
Pb
Hg
using
ICP-AES.
ranges
PTEs
(mg/kg)
following
order:
Cr
(3.00–20.0),
Ni
(2.00–32.0),
Zn
(2.00–14.0),
As
(2.00–4.00),
(1.50–5.00),
Cu
(1.00–5.00),
(0.50–1.00).
show
severe
enrichment
Hg,
no
to
minor
a
low
contamination
Pb.
Based
on
quality
guidelines,
concentrations
Pb,
do
not
represent
concern
benthic
communities,
while
communities
four
17
sampled
areas,
respectively.
Multivariate
indicated
geogenic
source
mixed
natural
anthropogenic
sources
an
mostly
from
oil
pollution,
sewage,
industrial
effluents
spreading
near
city.
Geochemical Transactions,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: May 3, 2024
Abstract
This
study
aimed
to
assess
the
influence
of
pollution
on
quality
sediments
and
risks
associated
with
El-Qusier
Safaga
Cities,
Red
Sea,
Egypt,
during
2021,
divided
into
four
sectors,
using
multiple
indices.
To
achieve
that,
we
evaluated
metal
index
(MPI),
contamination
factor
(Cf),
load
(PLI),
security
(CSI),
anthropogenicity
(Anp%).
Moreover,
carcinogenic
non-carcinogenic
are
used
for
human
health
hazards.
Results
indicated
that
Mn
Fe
recorded
highest
concentrations,
whereas
Cd
had
lowest.
El-Quseir
City
were
found
following
ions:
>
Ni
Zn
Cu
Co
Pb
Cd,
where
order
in
was:
Cd.
MPI
1,
this
is
alarming
area
due
heavy
pollution.
In
addition,
C
f
<
1
all
metals
except
degree
CD
ranged
from
low
considerable
city.
contrast,
significant
very
high
PLI
lower
than
reference
at
monitored
stations.
CSI
values
relatively
moderate.
Besides
data
reflect
each
element's
environmental
danger
(Eri
Me
40).
study's
risk
(RI)
moderate
Sector
extremely
2.
HQ
HI
means
it
safe
order:
ingestion
dermal
.
CSR
different
pathways
was
as
ingestion,
which
total
paths
considered
harmful,
cancer
troublesome
higher
ranges
×
10
–6
–1
–4
conclusion,
examined
provide
hazards
across
assessed
locations.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(16), P. e36447 - e36447
Published: Aug. 1, 2024
This
environmental
assessment
focuses
on
the
coastal
sediments
of
Al-Khafji
area
in
Saudi
Arabian
Gulf,
with
an
analysis
human
health
risks
posed
by
lead
(Pb)
and
cadmium
(Cd)
contamination.
Single
integrated
indices
were
used
to
detect
contamination
evaluate
these
metals'
non-carcinogenic
carcinogenic
impacts
adults
children
through
ingestion,
dermal
contact,
inhalation
pathways.
Sediment
quality
guidelines
indicated
absence
significant
levels.
The
moderate
observed
scattered
samples
did
not
imply
adverse
biological
effects
due
presence
two
metals
sediments.
average
values
chronic
daily
intake
(CDI)
for
both
Pb
Cd
higher
than
across
all
three
pathways,
ratios
9.4,
4.7,
4.7
folds,
respectively.
hazard
index
(HI)
below
1,
confirming
that
are
considered
acceptable
safe
terms
potentially
toxic
elements
(PTEs).
lifetime
cancer
risk
(LCR)
compared
adults,
9.3
9.4
However,
detected
LCR
levels
do
represent
a
potential
hazard.
Nevertheless,
regular
monitoring
program
aimed
at
detecting
early
signals
depletion
is
recommended.
Soil and Sediment Contamination An International Journal,
Journal Year:
2024,
Volume and Issue:
33(8), P. 1549 - 1574
Published: Feb. 19, 2024
This
research
examined
heavy
metals
distribution
and
potential
environmental
impact
in
seven
locations
along
the
Bhavnagar
coast
Gujarat,
India.
The
study
used
several
analyses,
including
hierarchical
cluster
analysis
(HCA),
principal
component
(PCA),
correlation
to
investigate
harmful
present
area.
To
evaluate
possible
risk
of
Cd,
Pb,
Cr,
Zn,
Co,
Cu,
Ni,
Mn,
Fe
marine
environment,
pollution
indices
such
as
contamination
factors
(Cf),
enrichment
factor
(Ef),
geo-accumulation
index
(Igeo),
ecological
(Er),
(RI)
sediment
quality
guidelines
(SQGs)
applied.
Based
on
results,
mean
concentration
was
ranked
following
order
(mg/kg):
(561.4)
>
Mn
(58.9)
Cr
(42)
Zn
(12.5)
Pb
(8.2)
Ni
(7)
Cu
(5.2)
Co
(2.7)
Cd
(.3).
Compared
pre-monsoon
post-monsoon
seasons,
results
showed
a
diluting
metal
concentrations
during
monsoon
season.
spatial
indicated
that
geogenic
source
anthropogenic
were
primary
contributors
studied
region.
Principal
suggests
may
have
come
from
shipbreaking
activities,
municipal
discharge
industrial
operations.
Cf,
Igeo,
Ef
demonstrated
no
moderate
pollution,
with
maximum
contribution
coastal
poses
minimal
for
all
investigated.
Shipbreaking,
urban
runoff,
salt-marine,
agricultural
runoff
release
toxic
into
environment.
In
conclusion,
information
obtained
this
geochemical
characterization
could
be
valuable
policymakers
stakeholders
developing
effective
management
measures
region,
Gulf
Khambhat,