International Journal of Environmental & Analytical Chemistry,
Год журнала:
2023,
Номер
104(19), С. 8229 - 8245
Опубликована: Апрель 5, 2023
In
this
paper,
water
quality
of
Sehriban
Stream,
a
rare
freshwater
ecosystem
far
from
human
impact
and
located
in
the
western
part
Türkiye's
Karadeniz
Region,
was
studied
over
long
period
time
(a
hydrological
year).
Multivariate
statistical
approaches
such
as
Pearson
Correlation
Index
(PCI),
Factor
Analysis
(FA),
Cluster
(CA)
self-organising
maps
(SOM)
were
used
to
evaluate
physico-chemical
datasets.
Samples
taken
monthly
during
February
2019
–
January
2020
12
stations
total
21
physicochemical
parameters
investigated.
The
spatiotemporal
averages
some
organic
pollution
investigated
basin
determined
follows:
344
μS/cm
for
EC,
0.80
mg/L
COD,
0.42
BOD,
0.02
PO42-,
34.4
SO42-,
0.00009
NO2,
1.36
NO3
0.0002
NH4−.
According
findings
study,
despite
modest
decline
upstream
downstream,
Stream
revealed
have
first-class
features
general
all
detected
seasons
at
below
limit
values
reported
by
WHO.
SOM
analysis
three
spatial
patterns,
e.g.
pH-salinity-K+-PO42--Mg2+-NO2;
DO-Ca2+-NH4−
TDS-EC-Cl−-SO42--COD-BOD-Na+
water.
As
result
PCI,
significant
positive
negative
correlations
recorded
among
parameters.
Results
FA
showed
that
2
factors
elucidated
85%
variances,
which
are
named
'Agricultural
Factor'
'Natural
Factor'.
CA,
3
clusters
identified,
'Lower
Polluted
Zone',
'Moderate
Zone'
'Higher
Zone'.
Overall,
work
multi-statistical
can
be
assess
rare,
unpolluted
habitat
space.
Environmental and Sustainability Indicators,
Год журнала:
2023,
Номер
18, С. 100247 - 100247
Опубликована: Март 22, 2023
Surface
water
is
heavily
exposed
to
contamination
as
this
the
ubiquitous
source
for
most
of
needs.
This
situation
exaggerated
by
excessive
population,
heavy
industrialization,
rapid
urbanization,
and
improper
sanitation.
Comprehensive
measurement
knowledge
extraction
surface
quality
therefore
pivotal
ensuring
safe
hygienic
use.
Consequently,
profiling
has
received
remarkable
academic
attention
in
recent
decades
that
produces
an
ample
amount
research
results.
study,
therefore,
conducts
a
comprehensive
systematic
literature
review
summarize
structure
existing
identify
current
trends
hotspots.
Reported
results
suggest
terrain
fresh
includes
13
distinct
sources
are
predominantly
used
5
sectors.
These
sectors
often
cause
pollution
form
industrial
effluents,
agricultural
runoffs,
domestic
sewage.
For
quality,
around
23
Water
Quality
Index
(WQI)
models,
10
Pollution
(PI)
models
research.
use
several
parameters.
study
reports
exhaustive
taxonomy
69
prominent
parameters
three
categories
which
will
support
their
adoption
these
models.
Finally,
limitations
manual
approaches
summarized
propose
set
seven
requirements
tech-intensive
system
development.
Environmental Geochemistry and Health,
Год журнала:
2024,
Номер
46(8)
Опубликована: Июль 5, 2024
Abstract
Water
scarcity
is
a
growing
concern
due
to
rapid
urbanization
and
population
growth.
This
study
assesses
spring
water
quality
at
20
stations
in
Giresun
province,
Türkiye,
focusing
on
potentially
toxic
elements
physicochemical
parameters.
The
Quality
Index
rated
most
samples
as
"excellent"
during
the
rainy
season
"good"
dry
season,
except
4
(40°
35′
12″
North/38°
26′
34″
East)
19
44′
28″
06′
53″
West),
indicating
"poor"
quality.
Mean
macro-element
concentrations
(mg/L)
were:
Ca
(34.27),
Na
(10.36),
Mg
(8.26),
K
(1.48).
trace
element
values
(μg/L)
Al
(1093),
Zn
(110.54),
Fe
(67.45),
Mn
(23.03),
Cu
(9.79),
As
(3.75),
Ni
(3.00),
Cr
(2.84),
Pb
(2.70),
Co
(1.93),
Cd
(0.76).
Health
risk
assessments
showed
minimal
non-carcinogenic
risks,
while
carcinogenic
from
arsenic
slightly
exceeded
safe
limits
(CR
=
1.75E−04).
Higher
were
increased
recharge,
arsenic-laden
surface
runoff,
human
activities.
Statistical
analyses
(PCA,
PCC,
HCA)
suggested
that
metals
physico-chemical
parameters
originated
lithogenic,
anthropogenic,
or
mixed
sources.
Regular
monitoring
of
recommended
mitigate
potential
public
health
risks
waterborne
contaminants.
