Enhanced Contamination Risk Assessment for Aquifer Management Using the Geo-resistivity and DRASTIC Model in Alluvial Settings
Cleaner Water,
Год журнала:
2024,
Номер
unknown, С. 100060 - 100060
Опубликована: Дек. 1, 2024
Язык: Английский
Aquifer vulnerability valorization via DRASTIC index-based assessment within litho-facies of a coastal environment
Results in Earth Sciences,
Год журнала:
2024,
Номер
2, С. 100033 - 100033
Опубликована: Июль 9, 2024
Determining
the
degree
of
an
aquifer's
susceptibility
to
pollutants
is
important
tool
for
policy
planning
in
subterranean
water
administration
and
conservation.
In
this
work,
vulnerability
was
appraised
with
use
DRASTIC
methodology,
which
employs
seven
parameters:
depth
groundwater
(D);
net
recharge
(R);
aquifer
media
(A);
soil
(S);
topography
(T);
influence
vadose
zone
(I);
hydraulic
conductivity
(C).
Different
ratings
were
given
each
parameter
based
on
hydro-geological
geo-electrical
information
obtained
from
study
area.
Geo-electrostratigraphic
data
acquired
vertical
electrical
soundings
resistivity
tomography
surveys.
The
results
demonstrated
existence
geoelectrical
layers
variable
resistivities
ranging
high
low,
curve
types.
Longitudinal
conductance
measures
indicated
moderate
protective
capacity.
Analysis
indices
showed
that
contamination.
Vulnerability
maps
generated
indicate
locations
vulnerability,
goal
being
prevent
indiscriminate
haphazard
wildcat
abstraction
such
locations.
quality
category
index
(QCI)
model
underground
susceptivity
dependent
all
7
parameters
employed
model,
most
critical
determinants
(D),
(R),
(A),
impact
(I).
work
recommends
anthropogenic
activities
could
contaminate
resource
be
halted
as
by
models
vulnerable.
Язык: Английский
Gradient resistivity trends modeling of the Quaternary aquifer and its overlaying and underlying layers in the semi-arid Khanasser valley region, northern Syria
Acta Geodaetica et Geophysica,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 20, 2025
Язык: Английский
Hydrogeophysical characterization of unconsolidated aquifers: an application of Stratigraphic Modified Lorenz Plots and Flow Zone Indicators for groundwater management
International Journal of Energy and Water Resources,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 28, 2025
Язык: Английский
Zonation of coastal geo-electrostratigraphic units via Stratigraphic Modified Lorenz Plots and rock typing
Results in Earth Sciences,
Год журнала:
2025,
Номер
unknown, С. 100099 - 100099
Опубликована: Май 1, 2025
Язык: Английский
Georesistivity assessment of lithological and hydrodynamic factors in groundwater sanitation of Akwa Ibom river channel aquifer system
Geosystems and Geoenvironment,
Год журнала:
2025,
Номер
unknown, С. 100411 - 100411
Опубликована: Май 1, 2025
Язык: Английский
Litho-stratigraphic characterization of hydrogeological and hydraulic flow units via electrical resistivity, Stratigraphic Modified Lorenz Plots, and flow zone indicator models
Solid Earth Sciences,
Год журнала:
2024,
Номер
9(3), С. 100191 - 100191
Опубликована: Июль 30, 2024
Litho-stratigraphic
characterization
within
hydrogeological
units
of
a
major
aquifer
system
in
Southern
Nigeria
was
carried
out
using
Electrical
Resistivity
(ER),
Stratigraphic
Modified
Lorenz
Plots
(SMLP),
and
Flow
Zone
Indicator
(FZI)
algorithms.
The
aim
integrating
these
technologies
to
generate
hydraulic
flow
(HFU)
that
would
describe
the
speed
efficiency
aquifer's
stratigraphic
units.
technology
delineated
four
geoelectric
layers
study
area:
motley
topsoil,
coarse
sand,
fine
sandy
clay,
with
aquiferous
formation
being
third
layer.
Via
measures
obtained
from
geo-electrical
data,
geo-hydraulic
parameters
were
estimated.
conductivity
ranged
3.1
x
10−5
9.3
m/s,
effective
porosity
0.33
0.54,
permeability
4362.9
13143.4
mD,
tortuosity
0.85
0.97,
Aquifer
Quality
Index
(AQI)
values
3.57
4.88
4.11
7.00.
presence
three
region.
first
zone
superconductor
good
ranking;
second
zones
conductors
having
fair
rankings.
Results
employed
Discrete
Rock
Typing
(DRT)
results
which
indicated
two
distinct
rock
matrix
types.
Dykstra-Parson
co-efficient,
evaluation
heterogeneity,
gave
value
unity,
indicating
perfect
heterogeneity
aquifer.
Язык: Английский
Evaluation of specific retention, specific yield, and storage-dependent drainability efficiency in a coastal milieu via geo-electrical technology
Water Practice & Technology,
Год журнала:
2024,
Номер
19(9), С. 3654 - 3675
Опубликована: Авг. 13, 2024
ABSTRACT
The
aim
of
this
research
was
the
application
geo-electrical
technology
in
determination
specific
retention,
yield,
and
storage-dependent
drainability
efficiency
within
a
major
coastal
milieu
Nigeria.
This
improves
on
past
work
where
expensive
time-intensive
pumping
tests
were
employed
to
determine
retention
yield.
In
addition
these
key
aquifer
geo-kinetic
properties,
other
important
characteristics
such
as
potentiality,
protectivity,
vulnerability
contamination
system
determined.
Geo-electrical
Wenner
Schlumberger
arrays
undertake
Vertical
Electrical
Soundings
(VES)
Resistivity
Tomography
(ERT)
surveys
results
obtained
constrained
by
ground
truth
from
lithological
logs.
Results
electrical
resistivity
indicated
that
strata
comprised
motley
topsoil,
coarse
sand,
fine
sandy
clay.
Measures
yield
generated
secondary
indices.
Specific
intersected
with
at
73%
(SDE),
indicating
percentage
must
be
exceeded
for
optimal
groundwater
extraction
rock
matrix's
pore
spaces
during
pumping.
Aquifer
transmissivity
measures
high
potentiality;
longitudinal
conductance
poor
protectivity
implying
increased
contamination.
Язык: Английский