Disentangling Multiannual Air Quality Profiles Aided by Self-Organizing Map and Positive Matrix Factorization
Toxics,
Journal Year:
2025,
Volume and Issue:
13(2), P. 137 - 137
Published: Feb. 14, 2025
The
evaluation
of
air
pollution
is
a
critical
concern
due
to
its
potential
severe
impacts
on
human
health.
Currently,
vast
quantities
data
are
collected
at
high
frequencies,
and
researchers
must
navigate
multiannual,
multisite
datasets
trying
identify
possible
pollutant
sources
while
addressing
the
presence
noise
sparse
missing
data.
To
address
this
challenge,
multivariate
analysis
widely
used
with
an
increasing
interest
in
neural
networks
deep
learning
along
well-established
chemometrics
methods
receptor
models.
Here,
we
report
combined
approach
involving
Self-Organizing
Map
(SOM)
algorithm,
Hierarchical
Clustering
Analysis
(HCA),
Positive
Matrix
Factorization
(PMF)
disentangle
single
elaboration
without
previously
separating
sites
years.
proved
be
valid,
allowing
us
detect
site
peculiarities
terms
sources,
variation
profiles
during
years
outliers,
affording
reliable
interpretation.
Language: Английский
Influencing factors of groundwater 238U, 232Th, 40K, and rare earth element contamination: Insights from the two-dimensional Monte Carlo simulation of radiological risks
Marine Pollution Bulletin,
Journal Year:
2025,
Volume and Issue:
213, P. 117682 - 117682
Published: Feb. 17, 2025
Language: Английский
Identification of priority sources of potentially hazardous elements from public drinking water fountains in Zajecar/East Serbia
Journal of Environmental Sciences,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
Detection of human health risks resulting from contamination of borehole drinking water with harmful volatile organic chemicals and potentially toxic elements around petroleum products dispensing outlets
Gregory Udie Sikakwe,
No information about this author
Nwachukwu Arthur Nwachukwu,
No information about this author
Bridget Ndidi Igwe
No information about this author
et al.
Journal of Hazardous Materials,
Journal Year:
2025,
Volume and Issue:
494, P. 138508 - 138508
Published: May 8, 2025
Language: Английский