IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1387(1), С. 012024 - 012024
Опубликована: Авг. 1, 2024
Abstract
The
availability
of
pure
water
is
one
the
most
essential
requirements
for
all
living
organisms.
In
rural
areas
Udupi,
Karnataka,
India,
well
serves
as
primary
source
residents.
Hence
objectives
study
were
to
find
physical
and
chemical
characteristics
sources
in
Udupi
taluk;
assess
suitability
taluk
drinking
purposes
by
determining
quality
index
(WQI).
Water
samples
(n=24)
collected
from
open
wells
Alevuru
Badagabettu-76
villages
during
October
2023.
parameters
analyzed
pH,
total
dissolved
solids,
electrical
conductivity,
turbidity,
alkalinity,
hardness,
oxygen,
nitrate,
chloride,
sulphate,
oxygen
demand
iron.
WQI
revealed
that
majority
sites
was
fit
drinking.
All
within
permissible
limits
except
iron
pH.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102007 - 102007
Опубликована: Март 19, 2024
This
study
will
comprehensively
evaluate
the
Rispana
River's
aquatic
environment
from
February
to
June
2021,
integrating
physicochemical,
biological,
and
hydrological
data.
Key
objectives
include
identifying
pollution
sources,
assessing
climate
change
impacts,
evaluating
health
effects
on
humans
life.
Analysis
of
50
water
samples
reveals
significant
pH
variations
across
five
sampling
sites
influenced
by
natural
human
factors.
Fluctuating
temperatures
(16.41
°C–20.81
°C)
impact
various
parameters,
including
dissolved
oxygen
(DO),
total
solids
(TDS),
biochemical
demand
(BOD).
Microbiological
assessment
detects
coliforms,
indicating
contamination
with
potential
risks.
The
highlights
degradation
River
due
change.
Urgent
action
is
needed
mitigate
impacts
safeguard
health.
Sustained
monitoring
strategic
management
approaches
are
crucial
for
river's
sustainability.
Collaborative
efforts
necessary
address
sources
restore
health,
emphasizing
importance
protecting
this
vital
resource
current
future
generations.
Results in Engineering,
Год журнала:
2024,
Номер
21, С. 101789 - 101789
Опубликована: Янв. 23, 2024
Groundwater
is
an
important
source
for
the
agricultural
needs
in
Thanjavur
district,
Tamil
Nadu
State,
India.
This
study
focused
on
assessing
groundwater
suitableness
irrigation
by
employing
Mamdani
fuzzy
inference
system
(MFIS).
The
quality
data
of
premonsoon
(PRM)
and
postmonsoon
(POM)
seasons
were
used
this
purpose.
Based
mean
value,
dominant
cations
sequence
sodium
>
magnesium
calcium
potassium
anions
order
was
bicarbonate
chloride
sulphate
nitrate.
Gibbs
diagram
showed
that
major
ionic
concentration
primarily
influenced
rock-water
interaction
evaporation
process.
To
determine
suitability
purposes,
adsorption
ratio,
electrical
conductivity,
percentage,
residual
carbonate,
ratio
Kelly's
estimated.
Then
a
developed
with
three
input
one
output
variable.
categorized
sample
as
"good"
(PRM-36
%,
POM-44
%)
"good
to
permissible"
(PRM-7%,
POM-2%),
"permissible"
(PRM-24
POM-23
%),
"permissible
poor"
(PRM-5%,
POM-4%)
"poor"
(PRM-28
POM-27
%).
On
comparing
conventional
water
classification
method,
model
found
be
more
accurate
than
method
classifying
suitability.
will
assist
decision-makers
develop
strategies
long-term
management
resources
area.
Heliyon,
Год журнала:
2024,
Номер
10(7), С. e28527 - e28527
Опубликована: Март 30, 2024
The
main
objective
of
this
study
was
to
map
the
quality
groundwater
for
domestic
use
in
Nabogo
Basin,
a
sub-catchment
White
Volta
Basin
Ghana,
by
applying
machine
learning
techniques.
conducted
Random
Forest
(RF)
algorithm
predict
quality,
utilizing
factors
that
influence
occurrence
and
such
as
Elevation,
Topographical
Wetness
Index
(TWI),
Slope
length
(LS),
Lithology,
Soil
type,
Normalize
Different
Vegetation
(NDVI),
Rainfall,
Aspect,
Slope,
Plan
Curvature
(PLC),
Profile
(PRC),
Lineament
density,
Distance
faults,
Drainage
density.
area
predicted
building
model
based
on
computed
Arithmetic
Water
Quality
Indices
(WQI)
(as
dependent
variable)
existing
boreholes,
serve
an
indicator
quality.
WQI
shows
it
ranges
from
9.51
69.99%.
This
implied
21.97
%,
74.40
3.63
%
had
respectively
likelihood
excellent.
models
were
found
perform
much
better
with
RMSE
23.03
R2
value
0.82.
highlighted
essential
understanding
area,
paving
way
further
studies
policy
development
management.
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
10, С. 100822 - 100822
Опубликована: Июнь 27, 2024
Monitoring
river
water
quality
is
crucial
for
safeguarding
public
health,
protecting
ecosystems,
and
ensuring
economic
sustainability.
It
helps
detect
contaminants,
ensures
drinking
safety,
facilitates
early
intervention
environmental
protection
legal
compliance.
The
objective
of
this
study
to
evaluate
multiple
machine
learning
algorithms
analyze
parameters
in
computing
index
(WQI)
classification
thereof,
aiming
devise
a
reliable
method
forecasting
with
high
accuracy.
In
study,
fourteen
classifiers
applied
include
Support
Vector
Machine
(SVM),
Random
Forest
(RF),
Logistic
Regression
(LR),
Decision
Tree
(DT),
Multilayer
Perceptron
(MLP),
K-Nearest
Neighbor
(KNN),
Naïve
Bayes,
Gradient
boosting,
AdaBoost,
Bagging,
Extra
Trees,
Quadratic
Discriminant
Analysis
(QDA),
XGBoost,
CATBoost.
A
total
1096
sample
data
was
used
where
each
consists
nineteen
analytical
parameters.
To
assess
the
performance
various
classifiers,
several
evaluation
techniques
were
utilized
including
confusion
matrices,
reports
detailing
precision
accuracy
ratios,
Receiver
Operating
Characteristic
(ROC)
curves.
also
utilizes
explainable
AI
(LIME
SHAP)
provide
clear
insights
into
decision-making
processes
classify
quality.
results
indicated
that
all
ML
models
demonstrate
satisfactory
predicting
WQI.
Among
used,
Boosting
achieves
highest
Accuracy
(99.64
%),
Precision
(0.95),
Recall
(0.96),
F1-Score
indicating
its
superior
ability
correctly
instances
suggesting
balanced
across
different
metrics.
analysis
presented
article
holds
promise
providing
accurate
researchers,
thereby
enhancing
monitoring
effectiveness
through
application
techniques.
Current World Environment,
Год журнала:
2025,
Номер
19(3), С. 1526 - 1546
Опубликована: Янв. 10, 2025
Societies
make
rainwater
harvesting
structures
to
collect
and
store
rain
water
cater
for
their
immediate
future
needs.
In
a
remote
village
in
the
Perambalur
district,
people
use
dual
temple
tank,
nearly
350
years
old,
drinking
purposes.
This
study
tries
understand
traditional
knowledge
embedded
pond
structures,
cascade
aerators,
an
open
well
connected
with
ground
aquifer
inside
tank.
delves
into
projected
rainfall
trends
using
NASA
POWER
data
2050,
revealing
noticeable
increase
assessment
of
quality
parameters
demonstrating
adherence
acceptable
limits
set
by
Bureau
Indian
Standards
(BIS).
However,
despite
meeting
these
standards,
index
deems
unsuitable
direct
human
consumption,
though
it
remains
suitable
domestic
household
use.
Moreover,
analysis
land
cover
changes
Sentinel2A
over
past
22
underscores
significant
growth
settlement
areas,
indicative
rising
demand
resources.
The
proposes
restoration
utilization
tank
system
as
potential
solution
address
this
burgeoning
demand,
offering
reliable
source
preserving
practices
within
local
community.
Water Environment Research,
Год журнала:
2025,
Номер
97(3)
Опубликована: Март 1, 2025
Abstract
Water
quality
deterioration
due
to
industrialization
and
urbanization
is
a
growing
environmental
concern,
particularly
in
developing
regions.
This
study
assesses
the
surface
water
of
Kurichi
Big
Lakes
Ukkadam
area,
Coimbatore,
India,
using
multivariate
statistical
techniques
identify
key
pollution
sources
evaluate
contamination
levels.
Despite
prior
research
on
urban
lakes,
limited
studies
have
systematically
analyzed
multiple
contaminants
advanced
approaches.
A
total
12
samples
were
collected
between
June
2023–June
2024
for
physicochemical,
microbiological,
anionic
parameters.
Principal
Component
Analysis
(PCA)
Factor
(FA)
revealed
three
dominant
components
explaining
68.42%
42.81%
variance
Lakes,
respectively.
The
Piper
plot
classified
types,
while
Cluster
(CA)
grouped
sampling
sites
based
Pearson
correlation
matrix
determined
pollutant
interdependencies,
Quality
Index
(WQI)
categorized
severity
against
WHO
BIS
standards.
results
indicate
that
organic
matter,
industrial
discharge,
fertilizer
runoff,
untreated
wastewater
are
primary
contributors
pollution.
High
levels
detected
near
zones,
with
Lake
exhibiting
significantly
poorer
than
Lake.
findings
highlight
urgent
need
improved
management
control
policies
safeguard
aquatic
ecosystems
public
health.
Practitioner
Points
Multivariate
Statistical
Analysis:
Applied
PCA,
FA,
plot,
CA,
assess
quality.
Classification:
Identified
Findings:
Three
major
explained
variation
Major
Pollution
Sources:
analysis
identified
compounds,
human
activity,
fertilizers,
chemical
waste,
discharge
as
contaminants.
Industrial
Area
Impact:
CA
WQI
highlighted
high
sensitivity
zones