Regional Sustainability,
Год журнала:
2024,
Номер
5(1), С. 100110 - 100110
Опубликована: Март 1, 2024
Artisanal
gold
mining,
a
labor-intensive
and
antiquated
technique,
is
growing
industry
the
source
of
income
for
rural
communities
all
over
world.
However,
artisanal
mining
has
potential
negative
long-term
effects
on
economy,
environment,
society.
This
study
collected
soil
samples
from
16
sample
points
including
control
point
to
examine
pollution
degrees
spatial
distribution
heavy
metals,
as
well
ecological
health
risks
associated
with
metal
in
Ijero-Ekiti
site,
Nigeria.
Geographical
Information
System
(GIS)
remote
sensing
technologies
were
used
identify
regions
high
concentrations
metals
assess
environmental
impact
activities.
The
results
show
that
mean
pointa
are
8.94
(±5.97)
mg/kg
As,
0.18
(±0.54)
Cd,
0.11
(±1.06)
Co,
14.32
(±3.43)
Cr,
6.89
(±0.64)
Cu,
48.92
(±11.77)
Fe,
135.81
(±30.75)
Mn,
5.92
(±0.96)
Ni,
5.72
(±1.66)
Pb,
13.94
(±1.38)
Zn.
reveals
concentration
soils
follows
order
Mn>Fe>Cr>Zn>As>Cu>Ni>Pb>Co>Cd.
An
analysis
indicates
3
principal
components
(PCs)
account
70.008%
total
variance
there
strong
positive
correlations
between
various
pairs
metals.
risk
index
(309.599)
area
high.
Non-carcinogenic
suggests
may
be
impacts
people
who
work
areas
due
chronic
exposure
environment.
Based
study,
hazard
carcinogenic
through
ingestion
520.00×10–4.
Dermal
contact
As
Cr
also
increases
cancer,
highest
value
18.40×10–4.
lowest
pathway,
0.68×10–4,
inhalation
comparatively
low
cancer.
recommends
formulation
policies
monitor
site
other
Nigeria
where
indiscriminate
activities
exist.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Авг. 11, 2024
Abstract
Evaluation
of
water
quality
is
crucial
for
managing
surface
effectively,
ensuring
its
suitability
human
use,
and
sustaining
the
environment.
In
lower
Danube
River
basin,
various
methods
were
employed
to
assess
irrigation,
drinking,
health
risk
purposes
main
mechanism
control
chemistry.
These
included
indicators
(WQIs),
complex
statistical
analyses,
geographic
information
systems
(GIS),
Monte
Carlo
simulation,
geochemical
modeling.
Physicochemical
analyses
samples
revealed
primarily
Ca–Mg–HCO
3
−
dominant
types.
Principal
component
analysis
(PCA),
ionic
ratios
piper,
chloro
alkaline
index,
Chadha,
Gibbs
diagrams
identified
three
distinct
characteristics
influenced
by
water-rocks
interaction,
evaporation,
ions
exchange,
activities.
The
modeling
showed
water’s
strong
ability
dissolve
gypsum,
halite,
anhydrite
(SI
<
0)
precipitate
aragonite,
dolomite,
calcite
with
saturation
index
(SI)
value
greater
than
0
along
flow
path.
irrigation
(IWQI
=
99.6–107.6),
sodium
adsorption
ratio
(SAR
0.37–0.68),
percentage
(Na%
13.7–18.7),
soluble
(SSP
12.5–17.5),
Potential
Salinity
(PS
0.73–1.6),
Residual
Sodium
Carbonate
(RSC
1.27–0.58)
values
used,
mainly
indicating
acceptable
some
limitations.
was
unsuitable
drinking
based
on
WQI
(WQI
81–104).
Oral
exposure
children
specific
components
a
higher
hazard
(HI
>
1)
compared
adults,
2.1
times
overall
non-carcinogenic
index.
However,
simulation
demonstrated
negligible
iron,
manganese,
nitrate
hazards
both
age
groups.
findings
are
valuable
management
decisions,
contributing
long-term
resource
sustainability.
International Journal of Environmental & Analytical Chemistry,
Год журнала:
2023,
Номер
unknown, С. 1 - 21
Опубликована: Янв. 30, 2023
This
work
aimed
to
determine
the
level
of
some
toxic
elements
(As,
Cr,
Cd,
and
Pb)
in
water
Rupsha
River,
Bangladesh,
concerning
their
potential
dangers
human
exposure.
The
elemental
concentrations
(mg/L)
were
determined
using
Atomic
Absorption
Spectrometer
found
decrease
order
Cr
(0.041)
>
Pb
(0.029)
As
(0.004)
Cd
(0.002).
this
river
surpasses
various
international
limits,
making
it
unfit
for
consumption.
Furthermore,
metal
pollution
index
contamination
indicated
that
was
also
unsuitable
purpose.
chosen
persuasive
discern
hazard
quotient
non-carcinogenic
risk.
Moreover,
total
targeted
(TTHQ)
values
adults
children
within
acceptable
limits
(TTHQ
<1).
value
carcinogenic
risk
did
not
surpass
range
(10−6
10−4)
threshold
limit.
Due
high-water
consumption
per
unit
body-weight
physiological
development,
be
more
sensitive
than
adults.
Multivariate
analyses
demonstrated
activities
primary
origin
water.
According
findings,
urban
industrial
effluents
should
treated
before
being
released
into
rivers.
Development
along
bank
must
carefully
controlled
safeguard
environment.
In
end,
will
improve
quality
lower
chance
people
exposed
metals.
Environmental Science Processes & Impacts,
Год журнала:
2024,
Номер
26(3), С. 555 - 581
Опубликована: Янв. 1, 2024
To
study
the
geogenic
processes
of
naturally
occurring
radioactive
materials'
distribution,
a
transboundary
Himalayan
river
(Punarbhaba)
is
chosen
due
to
its
trivial
anthropogenic
impacts.
