Water,
Год журнала:
2023,
Номер
15(24), С. 4223 - 4223
Опубликована: Дек. 7, 2023
Lalu
wetland
is
the
world’s
largest
plateau
urban
wetland.
It
was
designated
as
a
national-level
nature
reserve
in
China
2004
and
often
called
“the
lung
of
Lhasa”.
serves
vital
recreational
area
for
residents.
Concerns
have
arisen
about
potential
harm
to
human
health
due
heavy
metals
(HMs)
soil.
This
study
assessed
ecological
risk
HMs
soil
by
using
index
geo-accumulation
techniques.
The
findings
showed
that
wetland’s
overall
level
low
risk.
with
Cd
being
primary
pollutant.
Through
absolute
principal
component
scores–multiple
linear
regression
(APCS-MLR)
model
Pearson
correlation
analysis,
three
sources
were
identified,
including
traffic
sources,
parent
material
geothermal
contributing
51.13%,
32.35%,
16.52%,
respectively.
results
probabilistic
assessment
based
on
Monte
Carlo
simulation
indicate
non-carcinogenic
risks
are
absent
both
adults
children.
However,
acceptable
carcinogenic
present.
For
adults,
main
exposure
mode
through
dermal
contact,
while
children
primarily
exposed
ingestion.
Children
manifest
heightened
vulnerability
these
compared
As
element.
source-oriented
(HRA)
highlights
contributors
risks.
research
provide
insights
into
current
status
soil,
offering
scientific
basis
restricting
managing
contamination
wetlands.
