Environmental Modelling & Software,
Journal Year:
2024,
Volume and Issue:
179, P. 106131 - 106131
Published: July 2, 2024
Ambient
air
pollution
is
a
pervasive
issue
with
wide-ranging
effects
on
human
health,
ecosystem
vitality,
and
economic
structures.
Utilizing
data
ambient
concentrations,
researchers
can
perform
comprehensive
analyses
to
uncover
the
multifaceted
impacts
of
across
society.
To
this
end,
we
introduce
Environmental
Insights,
an
open-source
Python
package
designed
democratize
access
concentration
data.
This
tool
enables
users
easily
retrieve
historical
employ
Machine
Learning
model
for
forecasting
potential
future
conditions.
Moreover,
Insights
includes
suite
tools
aimed
at
facilitating
dissemination
analytical
findings
enhancing
user
engagement
through
dynamic
visualizations.
approach
ensures
that
caters
diverse
needs
individuals
looking
explore
understand
trends
their
implications.
Github
Home
Page.
Atmosphere,
Journal Year:
2024,
Volume and Issue:
15(6), P. 630 - 630
Published: May 24, 2024
With
the
continuous
acceleration
of
urbanization,
air
pollution
has
become
an
increasingly
serious
threat
to
public
health.
Strengthening
detection
and
control
pollutants
a
focal
point
in
current
society.
In
light
increasing
amount
literature
field
with
every
passing
year,
numerous
reviews
have
been
compiled;
however,
only
limited
number
employ
bibliometric
methods
comprehensively
review
summarize
research
trends
this
field.
Herein,
study
utilizes
two
analysis
tools,
namely,
CiteSpace
(6.1.R6)
VOSviewer
(1.6.20),
conduct
visual
comprehensive
spanning
2000
2023.
By
doing
so,
it
establishes
knowledge
framework
for
on
control.
Simultaneously,
collaborative
network
analysis,
reference
co-citation
keyword
co-occurrence
prominence
are
employed
undertake
exhaustive
profound
examination
within
domain.
Results
indicate
that,
over
time,
relevant
papers
exponentially
increased,
while
interdisciplinary
cooperation
gradually
formed.
Additionally,
describes
key
areas
research,
including
residue
treatment,
regional
joint
control,
mechanism
analysis.
Finally,
challenges
faced
by
researchers
their
different
perspectives
discussed.
To
better
integrate
findings
we
explore
correlations
among
data
systematically
present
developmental
trends.
This
confirms
nature
hope
its
guiding
future.
Atmospheric chemistry and physics,
Journal Year:
2025,
Volume and Issue:
25(4), P. 2551 - 2568
Published: Feb. 27, 2025
Abstract.
As
a
key
source
of
hydroxyl
(OH)
radicals,
nitrous
acid
(HONO)
has
attracted
much
attention
for
its
important
role
in
the
atmospheric
oxidant
capacity
(AOC)
increase.
In
this
study,
we
made
comparison
ambient
levels,
variation
patterns,
sources,
and
formation
pathway
warm
season
(from
June
to
October
2021)
on
basis
continuous
intensive
observation
an
urban
site
Beijing.
The
monthly
average
mixing
ratios
HONO
were
1.3,
1.0,
0.96,
0.89
ppb,
respectively,
showing
larger
contribution
OH
radicals
relative
ozone
daytime.
emission
factor
(EF)
NOx
from
vehicle
emissions
was
estimated
be
0.017,
higher
than
most
studies
conducted
nocturnal
NO2/HONO
conversion
frequency
kHONO
0.008
h−1.
season,
missing
HONO,
Punknown,
around
noontime
0.29–2.7
ppb
According
production
rate
also
very
AOC.
This
work
highlights
importance
AOC
while
encouraging
long-term
assess
sources
over
time
compared
capture
pollution
processes.
Advances in Atmospheric Sciences,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Abstract
Atmospheric
chemistry
research
and
atmospheric
measurement
techniques
have
mutually
promoted
each
other
developed
rapidly
in
China
recent
years.
Cavity-based
absorption
spectroscopy,
which
uses
a
high-finesse
cavity
to
achieve
very
long
path-length,
thereby
achieving
ultra-high
detection
sensitivity,
plays
an
extremely
important
role
research.
Based
on
the
Beer–Lambert
law,
this
technology
has
unique
advantages
of
being
non-destructive,
chemical-free,
highly
selective.
It
does
not
require
any
sample
preparation
can
quantitatively
analyze
trace
gases
real
time
situ.
In
paper,
we
review
following:
(1)
key
technological
advances
different
cavity-based
spectroscopy
techniques,
including
ring-down
cavity-enhanced
attenuated
phase
shift
their
extensions;
(2)
applications
these
reactive
species,
such
as
total
peroxy
radical,
formaldehyde,
nitrogen
(e.g.,
NO
x
,
HONO,
nitrates,
alkyl
nitrates).
The
systematically
introduces
chemistry,
will
help
promote
further
communication
cooperation
fields
laser
chemistry.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(14), P. 6071 - 6076
Published: March 29, 2024
The
atmospheric
oxidizing
capacity
is
the
most
important
driving
force
for
chemical
transformation
of
pollutants
in
atmosphere.
Traditionally,
mainly
depends
on
concentration
O3
and
other
gaseous
oxidants.
However,
based
gas-phase
oxidation
cannot
accurately
describe
explosive
growth
secondary
particulate
matter
under
complex
air
pollution.
From
perspective,
comes
from
activation
O2,
which
can
be
achieved
both
interfacial
processes.
In
heterogeneous
or
multiphase
formation
pathways
matter,
enhancement
ascribed
to
O2/H2O-involved
hydrolysis
processes
an
unrecognized
source
capacity.
Revealing
enhanced
due
high-concentration
environments
its
contribution
pollution
are
critical
understanding
haze
chemistry.
accurate
evaluation
also
scientific
basis
implementation
PM2.5
collaborative
control
China
around
world.
