Mehran University Research Journal of Engineering and Technology,
Год журнала:
2023,
Номер
43(1), С. 192 - 192
Опубликована: Дек. 30, 2023
All
living
things,
comprising
animals,
plants,
and
people
require
water
to
survive.
The
world
is
covered
in
water,
just
1
percent
of
it
fresh
functional.
importance
value
freshwater
have
increased
due
population
growth
rising
demands.
Approximately
more
than
70
the
world's
used
for
agriculture.
Agricultural
employees
are
least
productive,
inefficient,
heavily
subsidized
users
world.
They
also
utilize
most
overall.
Irrigation
consumes
a
considerable
amount
water.
field's
supply
needs
be
safeguarded.
A
critical
stage
estimating
agricultural
production
crop
irrigation.
global
shortage
serious
issue,
will
only
get
worse
years
come.
Precision
agriculture
intelligent
irrigation
solutions
that
solve
aforementioned
issues.
Smart
systems
other
modern
technologies
must
improve
quantity
high-quality
Such
system
has
potential
quite
accurate,
but
requires
data
about
climate
quality
region
where
used.
This
study
examines
smart
using
Internet
Things
(IoT)
cloud-based
architecture.
water's
temperature,
pH,
total
dissolved
solids
(TDS),
turbidity
all
measured
by
this
device
before
processed
cloud
range
machine
learning
(ML)
approaches.
Regarding
content
limits,
farmers
given
accurate
information.
Farmers
can
increase
effective
techniques.
ML
methods
support
vector
machines
(SVM),
random
forests
(RF),
linear
regression,
Naive
Bayes,
decision
trees
(DT)
categorize
pre-processed
sets.
Performance
metrics
like
accuracy,
precision,
recall,
f1-score
calculate
performance
algorithms.
Environmental and Sustainability Indicators,
Год журнала:
2024,
Номер
23, С. 100417 - 100417
Опубликована: Май 29, 2024
Water
Quality
Indices
(WQIs)
are
increasingly
being
applied
for
reporting
on
the
suitability
of
water
a
variety
human
uses
including
agriculture.
This
systematic
review
identified
and
compared
42
examples
Agricultural
use
(AgWQIs)
surface
waters
in
published
literature.
The
confirmed
growing
popularity
AgWQI
reporting,
particularly
last
six
years.
All
studies
incorporated
irrigated
cropping
into
their
with
three
also
addressing
stock
watering.
that
all
parameter
thresholds
adopted
by
originated
from
either
Food
Agriculture
Organisation
United
Nations
publication
quality
agriculture
or
National
Standards.
An
common
key
was
developed
to
overcome
interstudy
method
variability
facilitate
comparative
assessment.
assessment
determined
study
methods
two
sources,
Canadian
Council
Ministers
Environment
Index,
Sanitation
Foundation
Index.
For
adopting
latter
method,
further
strategies
weightings
eight
functions
developing
ratings
were
identified.
Our
explored
limitations
some
equations,
known
as
proportionality
constant.
Significant
variation
parameters,
classes,
thresholds,
subindices,
between
found,
but
areas
agreement.
Based
findings,
guide
has
been
assist
future
development.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 20, 2025
One
of
the
major
problems
facing
water
industry
is
corrosion
and
sedimentation,
which
causes
such
as
reduced
quality
useful
life
supply
network
equipment.
This
study
aimed
to
investigate
sediments
formed
in
drinking
distribution
Sough
City.
In
this
cross-sectional
study,
samples
were
prepared
from
7
wells,
storage
reservoirs,
a
dedicated
area
2006
2017.
The
parameters
included
pH,
TDS,
temperature,
total
alkalinity,
calcium
hardness,
hardness
indices
Langelier,
Ryznar,
Pokurious,
Aggressive
measured
all
sources.
mean
-0.59
±
0.62,
8.48
0.79,
7.24
0.28,
12.01
0.22,
respectively.
average
PSI
seasons
was
more
than
7,
AI
equal
12,
pH
7.8,
but
summer
it
increased
slightly
8.5.
research
showed
that
amount
corrosiveness
sedimentation
not
related
physicochemical
parameters.
Examination
City
2011
tends
carbonate
sedimentation.
A
magnetic
field
used
remove
network.
Water Environment Research,
Год журнала:
2025,
Номер
97(2)
Опубликована: Фев. 1, 2025
Abstract
The
study
investigated
the
water
quality
of
Chambal
River
from
2010
to
2022
throughout
year.
measured
parameters
like
pH,
EC
(Electrical
Conductivity),
TDS
(Total
Dissolved
Solids),
and
Total
Hardness
(TH)
fluctuate
between
7.70
8.35
(with
an
average
8),
289
484
μS/cm
347
μS/cm),
185
315
mg/l
224
mg/l),
68
120
93
respectively,
on
yearly
basis.
While
turbidity,
nitrate
levels,
ammonia
nitrogen,
fluoride,
boron
dissolved)
0.79
8
NTU
2
NTU),
0.38
0.92
0.06
0.61
0.22
0.24
0.94
0.67
0.04
0.33
0.16
Quality
Index
(WQI)
ranges
10
149
with
73
a
However,
WQI
27
95
56)
in
summer,
6
294
116)
rainy,
4
123
156)
autumn,
1
82
52)
winter.
These
results
indicate
poor
overall
Water
(WQI),
rendering
River's
unsuitable
for
drinking
purposes.
Furthermore,
principal
component
analysis
dendrogram
were
used
this
study.
findings
highlight
urgent
need
stricter
pollution
control
measures
safeguard
river's
health.
Practitioner
Points
present
is
based
Seasonal
Variations
Correlation
Analysis
Parameters
via
multiparametric
approaches
year
River,
Rajasthan,
India.
Two
types
statistics
(Principal
Component
Dendrogram
analysis)
have
been
applied
here
know
variation
distribution
WQI.
pH
fluctuated
within
IS
standard,
slight
summer
alkalinity
increase.
remained
stable,
higher
due
evaporation.
Turbidity
peaked
monsoon
reduced
dry
periods.
Poor
was
found
sampling
site
hence
reader
discussed
journal
may
take
interest
it.
Urgent
health
different
pollutants.
Pearson
correlation
reveals
strong
positive
correlations
WQI,
TDS,
TH,
while
negative
are
observed
these
clusters
concentration.
Pure and Applied Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 17, 2025
Abstract
uMhlathuze
River
in
KwaZulu-Natal,
South
Africa,
is
a
critical
freshwater
resource
supporting
industrial,
agricultural,
and
domestic
activities.
However,
its
water
quality
under
threat
from
various
anthropogenic
pressures.
This
review
synthesises
existing
literature
to
assess
the
river’s
quality,
focusing
on
key
contaminants,
spatial
temporal
trends,
ecological
impacts,
socio-economic
implications.
Key
pollutants
identified
include
elevated
levels
of
nitrates
(>10
mg/L),
phosphates
(>2
heavy
metals
such
as
lead
(Pb
>
0.01
mg/L)
chromium
(Cr
0.05
(Nsibande
et
al.
Afr.
J.
Aquat.
Sci.
2024,
262–274,
3.),
microbial
contaminants
with
faecal
coliforms
exceeding
1,000
CFU/100
mL
(Mthembu
al.,
Microbiol.
Res.
2012,
2020–2026,
9.).
Seasonal
variations
exacerbate
these
issues,
higher
pollutant
loads
observed
during
rainy
periods
due
increased
runoff
urban
areas.
Figures
illustrating
contaminant
trends
by
season
or
location
could
complement
findings.
The
degraded
has
led
declines
biodiversity,
including
fish
aquatic
macroinvertebrates,
poses
significant
public
health
risks
for
communities
reliant
river
drinking
sanitation.
Maps
pollution
hotspots
biodiversity
loss
would
aid
visualizing
impacts.
knowledge
gaps
inconsistent
sampling
methodologies,
insufficient
long-term
data,
absence
region-specific
Water
Quality
Index
(WQI).
highlights
need
standardised
WQI
frameworks,
advanced
monitoring
technologies,
tracking
mechanisms
address
challenges.
Additionally,
studies
community-based
conservation
initiatives
are
recommended
mitigate
impacts
improve
sustainability.
These
findings
serve
foundation
targeted
research
policy
actions
protect
sustainably
manage
system.
