Risk assessment of potentially toxic elements and mapping of groundwater pollution indices using soft computer models in an agricultural area, Northeast Algeria
Journal of Hazardous Materials,
Journal Year:
2025,
Volume and Issue:
unknown, P. 137991 - 137991
Published: March 1, 2025
Language: Английский
Meteorological Drought Analysis and Regional Frequency Analysis in the Kızılırmak Basin: Creating a Framework for Sustainable Water Resources Management
Water,
Journal Year:
2024,
Volume and Issue:
16(15), P. 2124 - 2124
Published: July 26, 2024
Drought
research
is
needed
to
understand
the
complex
nature
of
drought
phenomena
and
develop
effective
management
mitigation
strategies
accordingly.
This
study
presents
a
comprehensive
regional
frequency
analysis
(RFA)
12-month
meteorological
droughts
in
Kızılırmak
Basin
Turkey
using
L-moments
approach.
For
this
purpose,
monthly
precipitation
data
from
1960
2020
obtained
22
stations
basin
are
used.
In
analysis,
Standard
Precipitation
Index
(SPI),
Z-Score
(ZSI),
China-Z
(CZI)
Modified
(MCZI),
which
widely
used
precipitation-based
indices
literature,
employed.
Here,
main
objectives
(i)
determine
homogeneous
regions
based
on
drought,
(ii)
identify
best-fit
distributions,
(iii)
estimate
maximum
intensities
for
return
periods
ranging
5
1000
years,
(iv)
obtain
maps
selected
periods.
The
homogeneity
test
results
show
that
consists
single
region
according
considered
here.
distributions
identified
L-moment
ratio
diagrams
ZDIST
goodness-of-fit
tests.
According
results,
Pearson-Type
3
(PE3)
SPI
ZSI,
generalized
extreme
value
(GEV)
CZI,
logistic
distribution
(GLO)
MCZI.
here
can
be
utilized
as
useful
tool
estimating
probability
at
any
location
across
basin,
even
without
enough
hydrological
research.
Language: Английский
Multi-criteria decision-making techniques for groundwater potentiality mapping in arid regions: A case study of Wadi Yiba, Kingdom of Saudi Arabia
Nuaman Ejaz,
No information about this author
Aftab Haider Khan,
No information about this author
Muhammad Waqar Saleem
No information about this author
et al.
Groundwater for Sustainable Development,
Journal Year:
2024,
Volume and Issue:
26, P. 101223 - 101223
Published: June 4, 2024
Language: Английский
Hydrogeologic framework of the Mountain Home area, southern Idaho
Scientific investigations report,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Evaluation of geostatistical interpolation methods on spatial representation of groundwater depth and nitrate concentration of Elalla-Aynalem wellfield, Northern Ethiopia
Gebremedhin Berhe Zenebe,
No information about this author
Gebrerufael Hailu,
No information about this author
Abbadi Girmay
No information about this author
et al.
Discover Water,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Feb. 12, 2025
Language: Английский
Exploración de las Características Hidroquímica del Agua Subterránea en la Zona Baja de la Cuenca Río Carrizal
Revista Politécnica,
Journal Year:
2025,
Volume and Issue:
55(2), P. 1 - 16
Published: May 16, 2025
La
falta
del
recurso
hídrico
en
cantidad
y
calidad
ha
generado
diferentes
intereses
las
instituciones,
investigadores
científicos
estudiar
los
cuerpos
de
agua
para
el
desarrollo
humano.
El
objetivo
la
investigación
fue
explorar
características
hidroquímicas
subterránea
cuenca
baja
valle
río
Carrizal
mediante
técnicas
multivariantes
geoespaciales
que
permitan
establecer
este
esta
zona.
trabajo
consistió
tomar
muestras
catorce
pozos
observación,
cada
uno
con
distintos
usos
suelo.
Los
parámetros
se
evaluaron
fueron:
pH,
conductividad
eléctrica,
dureza,
sólidos
totales
disueltos,
relación
absorción
sodio,
además
cationes
aniones.
De
manera
general,
hidroquímicos
muestran
variable
dureza
encuentra
un
nivel
superior
al
permisible
su
uso,
mientras
que:
conductividad,
pH
mostraron
valores
bajos
sin
problemas
uso.
catión
calcio
(Ca2+)
representa
67
%
ion
Bicarbonato
75
siendo
concentraciones
mayoritarias
aniones,
respectivamente.
Profundizando
más
análisis
pudo
evidenciar
existente
entre
parámetro
totales,
calcio,
bicarbonato,
cloruro
sulfato.
determinada
por
mineralización
roca
madre,
esto
traduce
concentración
alta
correlación
aniones
Las
empleadas
exploración
permitieron
conocer
comportamientos
Carrizal.
Optimizing Interpolation Methods and Point Distances for Accurate Earthquake Hazard Mapping
Buildings,
Journal Year:
2024,
Volume and Issue:
14(6), P. 1823 - 1823
Published: June 15, 2024
Earthquake
hazard
mapping
assesses
and
visualizes
seismic
hazards
in
a
region
using
data
from
specific
points.
Conducting
analysis
for
each
point
is
essential,
while
continuous
assessment
all
points
impractical.
The
practical
approach
involves
identifying
at
utilizing
interpolation
the
rest.
This
method
considers
grid
spacing
chooses
right
technique
estimating
other
article
examines
different
distances
methods
through
case
study.
To
gauge
accuracy,
it
tests
15
employs
two
methods,
inverse
distance
weighted
ordinary
kriging.
Point
are
chosen
as
percentage
of
longitude
latitude,
ranging
0.02
to
0.3.
A
baseline
set,
compared
with
it.
Five
statistical
indicators
assess
methods.
Ordinary
kriging
shows
greater
accuracy.
With
error
rates
map
similarities
mind,
0.14
seems
optimal,
balancing
computational
time
accuracy
needs.
Based
on
research
findings,
this
offers
cost-effective
creating
maps.
It
enables
informed
risk
assessments
structures
spanning
various
geographic
areas,
like
linear
infrastructures.
Language: Английский
A study of riverbank filtration effectiveness in the Kępa Bogumiłowicka well field, southern Poland
Journal of Hydrology Regional Studies,
Journal Year:
2024,
Volume and Issue:
53, P. 101834 - 101834
Published: May 25, 2024
Southern
Poland,
Dunajec
River
catchment
The
study
evaluated
an
eleven-year
observation
period
of
physicochemical
parameters
within
a
riverbank
filtration
(RBF)
site
located
by
the
River.
A
total
nine
(pH,
electrical
conductivity,
sulphate,
chloride,
nitrate,
manganese,
water
hardness,
colour,
turbidity)
in
both
surface
and
groundwater
underwent
statistical
scrutiny.
This
analysis
encompassed
Spearman's
correlation,
linear
mixed-effects
models
hypothesis
testing.
revealed
that
constitutes
major
factor
forming
exploited
composition.
Statistically
significant
differences
between
two
rows
wells
were
found,
implying
more
substantial
RBF
impact
on
row
closer
to
Dunajec.
However,
river's
influence
further
was
also
highlighted.
process
area
considered
efficient
since
it
maintained
stable
composition
provided
sufficient
for
exploitation
over
years.
Comprehending
interactions
flow
system
is
crucial
well
field
sustainability,
enabling
supply
optimisation
precise
assessment
risks
regarding
contamination.
Language: Английский
Investigating the response of groundwater and streamflow to rainfall in a tropical catchment using non-parametric methods
Quarterly Journal of Engineering Geology and Hydrogeology,
Journal Year:
2024,
Volume and Issue:
57(4)
Published: Aug. 12, 2024
The
present
study
investigates
the
monthly
and
seasonal
patterns
of
groundwater
levels
streamflow
in
response
to
rainfall
a
humid
tropical
catchment
central
Kerala,
India.
trends
were
investigated
at
temporal
scale
using
data
from
eight
groundwater-level
observation
wells,
four
stream-gauging
stations
records
three
subcatchments,
viz.
Cheripad,
Pala
Kidangoor.
exercise
trend
detection
was
carried
out
two
widely
adopted
non-parametric
tests,
Mann–Kendall
(MK)
test,
Spearman's
Rho
(SR)
test
relatively
new
visual
graphical
approach,
innovative
analysis
(ITA).
results
revealed
predominantly
rising
(monthly
scale)
within
catchment,
across
all
hydrological
components
examined.
Notably,
ITA
identified
specific
changes
direction
time
series
(positive
negative
or
vice
versa),
which
not
observable
MK
SR
tests.
Data
published
Groundwater
Book
Kerala
for
2021–22
corroborated
this
increasing
trend,
showing,
on
average,
well
water
throughout
watershed
pre-monsoon
post-monsoon
seasons.
This
further
confirmed
by
pairing
observations
monitoring
station
KTM-OW-11
with
nearby
gauging
Erattupettah.
Language: Английский