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.
Heliyon,
Год журнала:
2024,
Номер
10(17), С. e36606 - e36606
Опубликована: Авг. 23, 2024
Assessing
and
predicting
quality
of
groundwater
is
crucial
in
managing
availability
effectively.
In
the
current
study,
was
thoroughly
appraised
using
various
indexing
methods,
including
drinking
water
index
(DWQI),
pollution
heavy
metals
(HPI),
(PI),
metal
(MI),
degree
contamination
(C
Discover Environment,
Год журнала:
2024,
Номер
2(1)
Опубликована: Май 7, 2024
Abstract
Groundwater
resource
plays
a
central
role
in
every
sector
of
life
globally.
Unfortunately,
the
roles
groundwater
are
often
unappreciated
many
parts
world,
especially
developing
nations.
The
paper
applied
combined
geo-electrical
method
and
hydrochemical
analysis
alongside
physical
surveys
to
investigate
aquifer
promising
zones,
quality
source
water
supply
selected
regions.
geo-electric
resistivity
data
were
used
select
most
aquifer-promising
zone
for
development
with
key
interest
potential
overburden
protective
capacity
overlying
water-bearing
unit.
Seventeen
(17)
vertical
electrical
sounding
(VES)
acquired
four
regions
reveals
that
regional
weathered/fractured
unit
which
constitutes
unity
extends
from
13.4
m
41.3
depth
subsurface
value
varying
between
53
Ωm–1013
Ωm
terms
values.
overburdened
thickness
(protective
soil
layers)
stretches
2.5
13
resistive
layer
values
ranging
111
2877
Ωm,
could
provide
high
cover
systems.
computed
transmissivity
hydraulic
conductivity
range
0.54
$${m}^{2}/h$$
m2/h
–15.85
,
0.95
m/day–9.19
m/day,
respectively.
estimated
average
longitudinal
conductance
(0.2
moh)
systems
moderately
against
surface
contaminants.
In
addition,
physicochemical
was
examined,
exposes
level
heavy
metals
(HMs)
compositions
possible
public
health
risks
compared
WHO
permissible
drinking
limits.
sample
Rivers
had
highest
concentration
HMs
(0.089
mg/I–2.012
mg/l),
followed
by
hand-dug
wells
(HWDs)
(0.033
mg/l–1.555
mg/l)
lowest
borehole
(0.011
mg/l–0.511
mg/l).
contrast,
shows
moderation
where
presence
falls
within
standard
water.
outcomes
study
show
63%
investigated
region
consumed
above
allowance
water,
while
only
37%
took
standard.
conclusion,
showed
significant
impacts
anthropogenic
activities
on
quality,
provides
vital
information
about
adequate
sustainability.
