Atmosphere,
Journal Year:
2024,
Volume and Issue:
16(1), P. 26 - 26
Published: Dec. 29, 2024
Atmospheric
deposition
is
an
important
source
of
heavy
metal
in
soil
and
the
use
dust
collection
cylinders
a
traditional
monitoring
method.
This
method
has
limitations
agricultural
areas
because
polluted
particles
may
become
resuspended
eventually
deposited
into
these
cylinders,
leading
to
overestimates
amount
atmospheric
soil.
To
address
this
concern,
we
propose
that
frequent
snowfall
can
help
suppress
local
resuspension
fresh
snow
serve
as
efficient
surrogate
surface
when
collecting
samples.
investigate
rationality
method,
52
samples
were
collected
from
sites
surrounding
smelting
plants
Anyang,
industrial
region
North
China.
The
results
revealed
concentration
cadmium
melted
ranged
between
0.03
41.09
μg/L,
with
mean
values
three
times
higher
around
(5.31
μg/L)
than
background
farmlands
(1.54
μg/L).
In
addition,
factories
was
north
south
prevailing
winds
blowing
southwest.
Moreover,
high
concentrations
sulfate
be
categorized
different
groups
via
clustering
conforming
spatial
distribution
particulate
matter
emissions
sulfur
dioxide
satellite
column
concentrations.
Finally,
positive
correlation
found
content
production
capacity
(R2
=
0.90,
p
<
0.05)
total
permitted
0.69,
>
nearby
factories.
These
findings
demonstrate
reliable
medium
for
documenting
dry
associated
specific
emissions.
Atmospheric
deposition
plays
a
significant
role
in
introducing
cadmium
(Cd)
into
agroecological
systems;
however,
accurately
determining
its
accumulation
crops
through
foliar
and
root
uptake
presents
challenges.
This
study
investigated
the
bioaccumulation
of
atmospherically
deposited
Cd
soybean
using
three-year
fully
factorial
atmospheric
exposure
experiment
incorporating
isotope
analysis.
Results
shown
that
accounted
for
1-13%
soil
pools,
yet
contributed
11-72%
to
tissues
during
growing
seasons.
Over
course
ranging
from
1
3
years,
no
notable
variations
were
observed
concentrations
solutions
tissues,
nor
ratios.
Newly
was
major
source
plants,
bioavailability
rapidly
aged
soils.
enriched
lighter
isotopes
induced
negative
shifts
plants.
By
employing
an
optimized
mixing
model
conjunction
with
mass
balance
approach,
13-51%,
16-45%,
21-56%
stem,
leaf,
seed,
respectively.
highlights
substantial
contribution
levels
controlling
as
potential
strategy
systems
experiencing
high
deposition.
iMeta,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Heavy
metals
are
toxic
and
harmful
pollutants
that
can
affect
the
school
environment
exposed
children's
health.
This
study
collected
dust
samples
fecal
specimens,
performed
gene
sequencing.
We
used
eXtreme
Gradient
Boosting
to
determine
impact
of
heavy
on
environmental
microorganisms
gut
microbiota,
while
using
relative
length
quadrant
Fourth-corner
analysis
explore
relationship
among
three
components.
found
metal
pollution
existed
in
classroom
environment,
with
lead
copper
significantly
affecting
microorganisms'
community
structure.
Although
nonsignificant
associations
were
observed
between
revealed
mediated
by
microorganisms.
Both
disrupt
microbial
structure
intestines
children.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
284, P. 116927 - 116927
Published: Aug. 30, 2024
Compound
pollution
at
industrial
sites
impedes
urban
development,
especially
when
there
is
a
lack
of
understanding
about
the
spatial
variations
internal
in
areas
producing
light-weight
materials.
In
this
study,
distribution
and
ecological
risks
potentially
toxic
elements
(PTEs),
volatile
organic
compounds
(VOCs),
petroleum
hydrocarbons
(C10-40)
soil
groundwater
an
Al/Cu
(aluminum/copper)
site
have
been
analyzed
comprehensively.
Results
revealed
progressive
clustering
pollutants
different
layers,
which
indicated
varying
levels
penetration
migration
from
surface
downward.
Furthermore,
severity
varied
according
to
pollutant
type,
with
Cu
(5-10,228
mg
kg
