Tarım Bilimleri Dergisi,
Journal Year:
2025,
Volume and Issue:
31(1), P. 59 - 70
Published: Jan. 14, 2025
Reservoir
sediments
are
an
important
component
of
aquatic
ecosystems.
Concentrations,
sources,
pollution
and
ecological
risks
heavy
metals
pose
serious
on
sustainable
management
these
This
research
focuses
metal
contents,
physicochemical
properties,
environmental
in
four
reservoirs
(Ayvacık,
Bayramdere,
Bayramiç,
Umurbey)
Northwest
Türkiye.
Bayramiç
reservoir
had
greater
sediment
Al,
Cu,
Fe,
Mn
concentrations,
clay
silt
contents
than
the
other
Umurbey).
In
all
reservoirs,
were
generally
natural
origin.
Although
index
was
identified
as
“considerable
contamination”
for
Mn,
such
a
case
not
detected
(Cd,
Co,
Cr,
Ni,
Pb,
Zn).
An
risk
assessment
made
“low
detected.
The Science of The Total Environment,
Journal Year:
2020,
Volume and Issue:
749, P. 141511 - 141511
Published: Aug. 4, 2020
Diffuse
pollution
formed
during
a
surface
runoff
on
paved
surfaces
is
source
of
heavy
metals
(HMs)
various
origin.
This
research
study
indicates
the
connection
between
bottom
sediments
retention
tanks
located
urban
streams
and
road
sweeping
wastes
(RSW)
that
migrate
to
stormwater
drainage
systems
with
discharge
tanks.
Moreover,
we
test
primary
sources
HMs
in
RSW
by
analysing
mechanical
(MW)
produced
vehicles
order
track
relationship
car
parts
deposited
receiving
from
streets.
To
identify
origin
diverse
tracking
approaches
were
used:
statistical
methods,
Pb
isotope
ratios,
flag
element
ratio
approach.
MW
presented
very
high
content
(max
observed
values
mg/kg
d.w.:
10477-Zn,
3512-Cu,
412-Pb,
3.35-Cd,
226-Ni,
633-Cr),
while
for
was
similar
sediments.
The
total
carcinogenic
risk
raises
concerns
due
Cr
content.
Zn
tyre
wear
traffic.
Ni,
Cr,
Fe,
Cd
correlated
shared
common/similar
PCA
suggested
Cu
features
quasi-independent
behaviour.
isotopic
ratios
indicated
enrichment
originating
coal
combustion,
gasoline
diesel
excluded.
characteristic
within
following
ranges:
1.152–1.165
(206Pb/207Pb),
2.050–2.085
(208Pb/206Pb),
2.350–2.418
(208Pb/207Pb).
complex
analysis
confirmed
motorization
HMs:
Zn,
Cd,
except
(coal
combustion
as
main
source)
(non-uniform
origin).
results
methods
coherent,
but
alone
brought
important
information
allowing
link
atmospheric
deposition
products.
Minerals,
Journal Year:
2021,
Volume and Issue:
11(3), P. 327 - 327
Published: March 21, 2021
Pollution
of
river
bottom
sediments
with
heavy
metals
(HMs)
has
emerged
as
a
main
environmental
issue
related
to
intensive
anthropopressure
on
the
water
environment.
In
this
context,
risk
harmful
effects
HMs
presence
in
Warta
River,
third
longest
Poland,
been
assessed.
The
concentrations
Cr,
Ni,
Cu,
Zn,
Cd,
and
Pb
collected
at
24
sample
collection
stations
along
whole
length
have
measured
analyzed.
Moreover,
GIS
environment,
method
predicting
variation
length,
not
particular
sites,
proposed.
Analysis
River
sediment
pollution
terms
indices:
Geoaccumulation
Index
(Igeo),
Enrichment
Factor
(EF),
Load
(PLI),
Metal
(MPI),
proved
that,
2016,
was
heavier
than
2017.
Assessment
potential
toxic
accumulated
sediments,
made
basis
Threshold
Effect
Concentration
(TEC),
Midpoint
(MEC),
Probable
(PEC)
values,
Toxic
Risk
(TRI),
shown
that
ecological
hazard
2017
much
lower.
Cluster
analysis
revealed
two
groups
which
showed
similar
chemical
properties.
Changes
classification
into
analyzed
over
period
subsequent
years
indicated
impact
could
their
point
sources
urbanized
areas
fluvial
process.
International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(17), P. 10502 - 10502
Published: Aug. 23, 2022
This
study
investigated
the
spatial
distribution,
contamination,
potential
ecological
risks
and
quantities
of
pollutant
sources
six
heavy
metals
(HMs)
in
sediments
47
rivers.
The
catchments
rivers
are
situated
Poland,
but
some
them
located
Slovakia,
Czech
Republic,
Germany.
Cluster
analysis
was
applied
to
analyze
distribution
Cd,
Cr,
Cu,
Ni,
Pb,
Zn
river
sediments.
Moran
I
Getis-Ord
Gi*
statistics
were
calculated
reveal
pattern
hotspot
values.
Principal
component
(PCA)
positive
matrix
factorization
(PMF)
used
identify
pollution
sources.
Furthermore,
geochemical
indices
sediment
quality
guidelines
allowed
us
assess
contamination
toxic
effects
on
aquatic
biota.
results
showed
that
1/3rd
rivers,
HM
concentrations
indicate
contamination.
EF,
PLI,
MPI
at
a
rather
low
level
2/3rd
analyzed
Only
individual
may
HMs
have
Spatial
autocorrelation
using
statistic
revealed
random
dispersed
PCA
identified
two
HMs’
delivery
environment.
originate
from
point
non-point
sources,
while
Cd
dominant
natural
origin.
PMF
three
pollution.
Among
them,
urban
responsible
for
Cu
delivery,
agricultural
Zn,
industrial
Ni
Cr.
Moreover,
no
relationship
between
catchment
land-use
patterns
content
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.
