Earth-Science Reviews,
Год журнала:
2022,
Номер
226, С. 103924 - 103924
Опубликована: Янв. 21, 2022
The
cryosphere
is
the
term
used
to
describe
frozen
areas
of
Earth,
including
all
forms
snow
and
ice,
which
are
primarily
influenced
by
anthropogenic
pollutants
through
atmospheric
transport.
In
this
review,
we
described
current
status
newly
emergent
pollutant-microplastics-in
ice
typical
cryospheric
regions
(e.g.,
Arctic,
Antarctic,
Alps,
Tibetan
Plateau,
Andes),
discussed
their
transport
pathways,
provided
perspectives
for
future
research.
A
brief
summary
sampling,
pretreatment,
identification
microplastics
in
suggested
that
standard
procedures
were
inadequate
urgently
required
improvement.
Microplastics
widely
distributed
across
regions,
indicating
ubiquitous
distribution
such
environments.
However,
abundance,
size
distribution,
shape,
polymer
composition
showed
significant
differences.
Sea
was
especially
important
temporal
storage,
transport,
release
Arctic
Antarctic.
land
cover
mountain
glaciers
emphasized
importance
transferal
regions.
particular,
non-polar
Andes,
or
Alps)
highlighted
as
receptors
mid-latitude
emissions
microplastics,
might
indicate
a
climatic
risk
considering
ability
absorb
radiation
accelerate
melting
snow.
retrieved
from
glacier
cores
may
also
provide
new
insights
into
historical
variations
pollutants.
potential
impact
on
carbon
cycle
needs
be
further
addressed
future.
Journal of Hazardous Materials,
Год журнала:
2022,
Номер
432, С. 128585 - 128585
Опубликована: Фев. 27, 2022
We
combine
observations
from
Western
USA
and
inverse
modelling
to
constrain
global
atmospheric
emissions
of
microplastics
(MPs)
microfibers
(MFs).
The
latter
are
used
further
model
their
dynamics.
Global
annual
MP
were
calculated
as
9.6
±
3.6
Tg
MF
6.5
2.9
Tg.
average
monthly
concentrations
47
ng
m-3
33
for
MFs,
at
maximum.
largest
deposition
agricultural
MPs
occurred
close
the
world's
regions.
Road
mostly
deposited
in
East
Coast
USA,
Central
Europe,
Southeastern
Asia;
resuspended
with
mineral
dust
near
Sahara
Middle
East.
Only
1.8%
emitted
mass
oceanic
was
transferred
land,
1.4%
land
ocean;
rest
same
environment.
Previous
studies
reported
that
0.74-1.9
y-1
land-based
MPs/MFs
(<
5
mm)
transported
ocean,
while
riverine
transport
is
between
3.3
14
y-1.
calculate
0.418
0.201
(size
up
250
2500
µm)
ocean
(large
particles
ignored).
Model
validation
against
showed
particle
removal
must
be
urgently
updated
models.
The Science of The Total Environment,
Год журнала:
2023,
Номер
869, С. 161847 - 161847
Опубликована: Янв. 26, 2023
Microplastic
(MP)
pollution
is
of
great
environmental
concern.
MPs
have
been
found
all
over
the
Earth,
including
in
poles,
which
indicative
for
important
threat
they
constitute.
Yet,
while
ocean
object
major
interest,
data
available
literature
about
MP
freshwaters
Earth's
poles
are
still
limited.
Here,
we
review
current
knowledge
Arctic,
Antarctica
and
Third
Pole,
assess
its
ecological
implications.
This
highlights
presence
lakes,
rivers,
snow,
glaciers
investigated
sites,
questions
transport
patterns
through
reach
these
remote
areas,
illustrates
that
a
real
problem
not
only
marine
systems,
but
also
freshwater
environments
poles.
can
indeed
be
ingested
by
animals
physically
damage
their
digestive
tracts,
as
well
escalate
trophic
levels.
alter
microbial
communities
serving
surfaces
onto
microbes
grow
develop,
enhance
ice
melting
when
trapped
glaciers.
Hence,
considered
limited
available,
encourage
more
research
on
theme.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(22), С. 8365 - 8372
Опубликована: Май 23, 2023
Micro/nanoplastics
have
emerged
as
global
contaminants
of
serious
concern
to
human
and
ecosystem
health.
However,
identification
visualization
microplastics
particularly
nanoplastics
remained
elusive
due
the
lack
feasible
reliable
analytical
approaches,
for
trace
nanoplastics.
Here,
an
efficient
surface-enhanced
Raman
spectroscopy
(SERS)-active
substrate
with
triangular
cavity
arrays
is
reported.
The
fabricated
exhibited
high
SERS
performance
standard
polystyrene
(PS)
nanoplastic
detection
size
down
50
nm
a
limit
0.001%
(1.5
×
1011
particles/mL).
Poly(ethylene
terephthalate)
(PET)
collected
from
commercially
bottled
drinking
water
were
detected
average
mean
∼88.2
nm.
Furthermore,
concentration
sample
was
estimated
be
about
108
particles/mL
by
nanoparticle
tracking
analysis
(NTA),
annual
consumption
beings
through
also
1014
particles,
assuming
2
L/day
adults.
facile
highly
sensitive
provides
more
possibilities
detecting
in
aquatic
environment
sensitivity
reliability.
iScience,
Год журнала:
2023,
Номер
26(9), С. 107649 - 107649
Опубликована: Авг. 16, 2023
Plastic
pollution
and
climate
change
are
two
major
environmental
focuses.
Having
the
forming
potential
due
to
ambient
plastic
pollution,
fate
of
microplastics
shall
be
inevitably
impacted
by
global
warming.
This
manuscript
discusses
destiny
characterizes
their
considering
framework
planetary
boundary.
The
routes
for
microplastic
discharge
include
release
stored
in
ice
into
sea
when
melts
as
a
result
temperature
increase,
flushing
plastic/microplastic
debris
from
shorelines
adjacent
water
bodies
increased
rainfall,
redistribution
away
source
wind,
accumulation
soil
drought.
A
perspective
on
impact
aquatic
organisms
was
discussed
well.
