Water,
Год журнала:
2023,
Номер
15(23), С. 4095 - 4095
Опубликована: Ноя. 25, 2023
Elucidating
the
hydrogeochemical
processes
and
quality
assessment
of
groundwater
holds
significant
importance
for
its
sustainable
development.
In
this
paper,
53
samples
were
collected
from
a
typical
agricultural
area
in
northeastern
Chongqing
municipality
SW
China.
The
integration
multivariate
statistical
analysis,
ion
ratio
geomodelling
entropy
water
index,
health
risks
assessment,
sensitivity
analysis
was
carried
out
to
explore
hydrochemical
study.
results
reveal
that
cationic
concentrations
followed
order
Ca2+
>
Mg2+
Na+
K+,
while
anionic
components
HCO3−
SO42−
NO3−
Cl−.
Based
on
Piper
trilinear
diagram,
types
shown
as
Ca-HCO3
Ca-Mg-HCO3
types.
Hierarchical
cluster
indicated
could
be
categorized
into
three
groups.
compositions
primarily
influenced
by
water–rock
interactions
(e.g.,
carbonate
dissolution
silicate
weathering).
terms
irrigation
suitability,
sodium
adsorption
ratios
(SARs)
ranged
0.05
1.82,
electrical
conductivity
(EC)
varied
116
1094
μs/cm,
indicating
most
suitable
irrigation.
entropy-weighted
index
15
94,
suggesting
drinking
purposes.
Non-carcinogenic
human
children
adult
females
males,
within
average
values
0.30,
0.21,
0.18,
respectively.
Sensitivity
showed
parameters
had
weight
NO3
body
(BW)
ingestion
rate
(IR)
exposure
frequency
(EF).
Hence,
we
recommend
prioritizing
management
areas
with
high
salinity
levels,
avoiding
excessive
use
nitrogen
fertilizers,
raising
awareness
among
local
residents
about
safe
groundwater,
providing
robust
support
development
areas.
Human and Ecological Risk Assessment An International Journal,
Год журнала:
2024,
Номер
30(1-2), С. 220 - 236
Опубликована: Янв. 10, 2024
It
is
essential
to
effectively
identify
the
sources
and
health
risks
of
heavy
metals
in
groundwater
rural
areas.
Therefore,
areas
Huaibei
Plain
were
investigated.
The
results
showed
that
mean
concentrations
Cr,
Fe,
Mn,
Cu,
Zn,
Ni,
As,
Cd,
Pb
0.38,
86.48,
90.94,
0.20,
0.97,
1.18,
0.009
0.16
μg/L.
Multivariate
statistical
analysis
combined
with
positive
matrix
factorization
(PMF)
was
used
quantitatively
four
(agricultural
activities
(24.01%),
industrial
(22.27%),
natural
(26.45%),
traffic
(27.28%)).
probabilistic
risk
assessment
based
on
Monte
Carlo
simulation
non-carcinogenic
for
adults
children
negligible.
However,
17.52%
1.99%
exceeded
maximum
acceptable
safety
limit
(1.0E-6)
cancer
risk.
Sensitivity
daily
intake,
Fe
main
factors
influencing
results.
These
have
important
implications
management
Plain.
Water,
Год журнала:
2023,
Номер
15(23), С. 4095 - 4095
Опубликована: Ноя. 25, 2023
Elucidating
the
hydrogeochemical
processes
and
quality
assessment
of
groundwater
holds
significant
importance
for
its
sustainable
development.
In
this
paper,
53
samples
were
collected
from
a
typical
agricultural
area
in
northeastern
Chongqing
municipality
SW
China.
The
integration
multivariate
statistical
analysis,
ion
ratio
geomodelling
entropy
water
index,
health
risks
assessment,
sensitivity
analysis
was
carried
out
to
explore
hydrochemical
study.
results
reveal
that
cationic
concentrations
followed
order
Ca2+
>
Mg2+
Na+
K+,
while
anionic
components
HCO3−
SO42−
NO3−
Cl−.
Based
on
Piper
trilinear
diagram,
types
shown
as
Ca-HCO3
Ca-Mg-HCO3
types.
Hierarchical
cluster
indicated
could
be
categorized
into
three
groups.
compositions
primarily
influenced
by
water–rock
interactions
(e.g.,
carbonate
dissolution
silicate
weathering).
terms
irrigation
suitability,
sodium
adsorption
ratios
(SARs)
ranged
0.05
1.82,
electrical
conductivity
(EC)
varied
116
1094
μs/cm,
indicating
most
suitable
irrigation.
entropy-weighted
index
15
94,
suggesting
drinking
purposes.
Non-carcinogenic
human
children
adult
females
males,
within
average
values
0.30,
0.21,
0.18,
respectively.
Sensitivity
showed
parameters
had
weight
NO3
body
(BW)
ingestion
rate
(IR)
exposure
frequency
(EF).
Hence,
we
recommend
prioritizing
management
areas
with
high
salinity
levels,
avoiding
excessive
use
nitrogen
fertilizers,
raising
awareness
among
local
residents
about
safe
groundwater,
providing
robust
support
development
areas.
