Geochemical Transactions,
Journal Year:
2025,
Volume and Issue:
26(1)
Published: April 15, 2025
This
study
investigates
the
trace
element
concentrations
in
surface
waters
of
four
north-joining
Himalayan
tributaries
Ganga
river
(Ramganga,
Ghaghara,
Gandak,
and
Kosi),
highlighting
combined
effects
geogenic
processes
anthropogenic
activities
on
chemistry
water
quality.
A
knowledge
gap
exists
understanding
sources
elements
these
contribution
from
to
Gangariver.
The
novelty
lies
its
assessment
sources,
human
health
risks,
ecological
impacts.
investigation
was
conducted
by
assessing
comparing
them
with
national
international
standards.
Various
risk
indicators,
including
Heavy
Metal
Pollution
Index
(HPI),
Hazard
Quotient
(HQ),
Health
(HI),
Chronic
Daily
Intake
(CDI),
Potential
Ecological
Risk
(PERI),
were
applied.
results
reveal
high
copper
(Cu),
zinc
(Zn)
lead
(Pb)
Ramganga,
indicating
contamination
industrial
catchment.
Although
most
are
within
safe
limits,
Pb
concentration
Ramganga
exceeds
limit
prescribed
WHO.
shows
highest
a
HItotal
1.876
for
adults
1.616
children.
In
contrast,
Kosi
exhibit
lower
but
moderate
levels.
HPI
values
rivers-
93.74
83.95
Kosi,
83.13
80.43
Ramganga-indicate
that
although
is
below
critical
thresholds,
targeted
mitigation
strategies
needed.
findings
provide
valuable
insights
into
metal
their
implications
emphasize
need
frequent
monitoring
pollution
control
measures
maintaining
sustainable
quality
tributaries.
Geocarto International,
Journal Year:
2023,
Volume and Issue:
38(1)
Published: May 2, 2023
The
majority
of
people
living
on
earth
rely
groundwater
as
their
primary
supply
water
for
daily
needs.
However,
human
activities
continuously
threaten
this
natural
resource.
In
an
attempt
to
unravel
the
extent
impact
human-related
physicochemical
characteristics
in
Nnewi
and
Awka
urban
clusters
(Nigeria),
several
techniques
were
integrated
study.
Groundwater
samples
warm
acidic
nature.
Concentrations
SO42-,
NO3-,
PO43-,
Cl-,
HCO3-,
Ca2+,
Mg2+,
Na+
K+
within
set
benchmarks.
nutrient
pollution
index
(ranging
from
0.060
0.745),
nitrate
(varying
between
−0.999
−0.790)
0.057
0.630)
estimated
anthropogenic
contamination
showed
low
characteristics.
health
risks
due
ingestion
skin
absorption
nitrate-contaminated
computed
six
age
groups
(6–12
months,
5–10
years,
10–15
15–20
20–60
years
>60
years)
risk
values
that
<
1,
implying
chronic
humans.
cumulative
total
hazard
ranged
0.006
0.787
with
a
mean
value
0.167.
Chemometric
analyses
geochemical
plots
revealed
relationships
variables
sources.
Chadha's
plot
55%
Ca2+-Mg2+-Cl-
waters,
predominating
over
Na+-Cl-
Ca2+-Mg2+-HCO3-
waters.
Bivariate
multivariate
also
indicated
impact.
Furthermore,
principal
component
analysis
R-type
hierarchical
clustering
confirmed
chemistry
quality
mostly
influenced
by
geogenic
processes
than
acts.
Conclusively,
influence
is
low.
These
findings
would
be
useful
future
monitoring
both
clusters.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Aug. 11, 2023
High
concentrations
of
potentially
toxic
elements
(PTEs)
in
potable
water
can
cause
severe
human
health
disorders.
Present
study
examined
the
fitness
groundwater
for
drinking
purpose
based
on
occurrence
nine
PTEs
a
heavy
pilgrim
and
tourist
influx
region
Garhwal
Himalaya,
India.
The
analyzed
were
observed
order
Zn
>
Mn
As
Al
Cu
Cr
Se
Pb
Cd.
Apart
from
As,
other
within
corresponding
guideline
values.
Spatial
maps
produced
to
visualize
distribution
area.
Estimated
pollution
indices
non-carcinogenic
risk
indicated
that
investigated
is
safe
purpose,
as
hazard
index
was
<
1
all
samples.
Assessment
cancer
Cr,
Cd,
also
low
risks
associated
with
use,
values
acceptable
range
≤
×
10-6
10-4.
Multivariate
statistical
analyses
used
describe
various
possible
geogenic
anthropogenic
sources
resources
although
contamination
levels
found
pose
no
serious
risk.
However,
present
recommends
stop
discharge
untreated
wastewater
establish
cost-effective
well
efficient
treatment
facility
nearby
work's
findings
are
vital
they
may
protect
massive
population
contaminated
consumption.
Moreover,
it
help
researchers,
governing
authorities
supplying
agencies
take
prompt
appropriate
decisions
security.
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2020,
Volume and Issue:
102(14), P. 3399 - 3417
Published: May 28, 2020
(2020).
A
chemometric
approach
to
source
apportionment,
ecological
and
health
risk
assessment
of
heavy
metals
in
industrial
soils
from
southwestern
Nigeria.
International
Journal
Environmental
Analytical
Chemistry.
Ahead
Print.
Geocarto International,
Journal Year:
2022,
Volume and Issue:
37(26), P. 14399 - 14431
Published: June 9, 2022
One
of
the
pivotal
decision-making
tools
for
sustainable
management
water
resources
various
uses
is
accurate
prediction
quality.
In
present
paper,
multiple
linear
regression
(MLR),
radial
basis
function
neural
network
(RBF-NN),
and
multilayer
perceptron
(MLP-NN)
models
were
developed
monitoring
irrigation
quality
(IWQ)
in
Ojoto
area,
southeastern
Nigeria.
This
paper
first
to
integrate
simultaneously
implement
these
predictive
methods
modeling
seven
IWQ
indices.
Moreover,
two
scenarios
considered.
Scenario
1
represents
predictions
that
utilized
specific
physicochemical
parameters
calculating
indices
as
input
variables
while
2
pH,
EC,
Na+,
K+,
Mg2+,
Ca2+,
Cl-,
SO42-,
HCO3-
inputs.
terms
salinity
hazard,
most
are
unsuitable/poor
irrigation.
However,
carbonate
bicarbonate
impact
magnesium
majority
samples
have
good
excellent
IWQ.
Seven
agglomerative
Q-mode
dendrograms
spatiotemporally
classified
based
on
Model
validation
metrics
showed
MLR,
RBF-NN,
MLP-NN
performed
well
both
scenarios,
with
minor
variations.
