Atmosphere,
Год журнала:
2025,
Номер
16(4), С. 411 - 411
Опубликована: Март 31, 2025
PM2.5
plays
a
significant
role
in
urban
climate,
especially
as
development
accelerates.
In
this
study,
surface
PM2.5,
skin
temperature,
air
net
longwave
radiation,
shortwave
sensible
heat
flux,
and
latent
flux
were
directly
analyzed
Nanchang
from
2020
to
2022.
The
results
indicate
that
is
highest
during
winter
lowest
summer.
On
an
annual
scale,
reduces
temperatures
at
rate
of
0.75
°C/(μg
m−3)
by
decreasing
solar
radiation
increasing
night.
Conversely,
it
increases
temperature
absorbing
leading
inversion.
Furthermore,
influences
modulating
the
fluxes.
Energy Geoscience,
Год журнала:
2022,
Номер
3(3), С. 255 - 262
Опубликована: Март 25, 2022
Mining
plays
a
prominent
role
in
the
economy
worldwide
since
human
efforts
have
been
more
concentrated
extraction
than
recycling
of
natural
resources.
Ores
composed
various
minerals
vary
according
to
geological
evolution.
These
are
raw
materials
for
conventional
industries
or
fossil
fuels
power
generation.
They
can
also
be
used
new
technologies.
The
mining
industry
triggers
intense
environmental
impacts.
Human
exposure
multiple
small
particles
from
effluent,
such
as
dust,
uranium,
iron,
lead,
zinc,
silicon,
titanium,
sulfur,
nitrogen,
platinum,
chromium,
vanadium,
manganese,
and
mercury,
is
health
risk.
Such
elements
several
pathological
effects,
respiratory
cardiovascular,
chronic
inflammation,
neurodegenerative
diseases.
Additionally,
results
severe
soil,
water
(surface
aquifer),
air
contamination,
reaching
large
areas
far
away
source.
Negligence
companies,
with
recovery
ancient
mined
during
early
development
laws
regulations,
compromises
integrity
extended
periods,
increasing
coverage
affected
areas.
This
review
evaluates
toxicological
effects
on
humans
exposed
wastes
impact
these
compounds
ecosystem.
our
evaluation
by
government,
manufacturers,
scientists,
private
organizations,
decision-makers,
readers
different
knowledge
explore
potential
risk
ecosystem
health.
Journal of Geophysical Research Atmospheres,
Год журнала:
2024,
Номер
129(2)
Опубликована: Янв. 12, 2024
Abstract
Poor
air
quality
is
often
experienced
in
densely
populated
areas
located
alongside
large
rivers.
The
presence
of
a
river
valley
can
modify
local
meteorology,
potentially
interfering
with
the
formation
pollutants
such
as
PM
2.5
.
However,
mechanisms
behind
valleys
and
its
impacts
on
surrounding
regions
remain
poorly
understood.
This
study
investigates
Nanjing
reach
Yangtze
River,
considering
complex
terrain
anthropogenic
emissions,
through
numerical
simulation.
Simulated
results
revealed
higher
concentrations
along
River
compared
to
average
Nanjing,
primarily
driven
by
elevated
nitrate
level.
Factors
humidity,
wind
speed,
ageostrophic
field,
shallow
boundary
layer
were
identified
key
contributors
increased
river.
Our
demonstrates
significant
impact
thermal
circulations
formation,
resulting
from
interaction
between
water
body
urban
area.
phenomenon
was
confirmed
sensitivity
experiments,
which
showed
attenuated
absence
River.
Source
apportionment
process
analysis
confirm
dominant
roles
circulation
related
horizontal
vertical
advections,
diurnal
fluctuations,
shaping
variations
Inorganic
chemistry
processes
also
played
non‐negligible
role,
particularly
during
polluted
conditions.
Local
are
crucial
for
highlighting
need
comprehensive
strategies
tackle
pollution
similar
regions.
Molecules,
Год журнала:
2022,
Номер
27(18), С. 5966 - 5966
Опубликована: Сен. 14, 2022
Characterization,
identification,
and
detection
of
aerosol
particles
in
their
native
atmospheric
states
remain
a
challenge.
Recently,
optical
trapping-Raman
spectroscopy
(OT-RS)
has
been
developed
demonstrated
for
characterization
single,
airborne
particles.
Such
different
chemical
groups
have
characterized
by
OT-RS
recent
years
many
more
are
being
studied.
In
this
work,
we
collected
single-particle
Raman
spectra
measured
using
the
technique
began
construction
library
fingerprints
that
may
be
used
as
reference
potential
identification
atmosphere.
We
from
eight
categories
including
carbons,
bioaerosols
(pollens,
fungi,
vitamins,
spores),
dusts,
biological
warfare
agent
surrogates,
etc.
Among
categories,
spectral
six
published
previously
two
other
new.
also
discussed
challenges,
limitations,
advantages
aerosol-particle
characterization,
detection.
