Известия Российской академии наук Физика атмосферы и океана,
Journal Year:
2023,
Volume and Issue:
59(7), P. 976 - 1007
Published: Dec. 1, 2023
The
main
results
of
scientific
research
and
development
in
the
field
atmospheric
radiation
Russia
for
period
2019–2022
are
considered
attention
is
paid
to
radiative
transfer
theory,
spectroscopy,
climatology,
aerosol
forcing,
remote
sensing
atmosphere
surface,
interpretation
satellite
measurements
Lists
major
publications
these
areas
this
provided.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(39), P. 14548 - 14557
Published: Sept. 20, 2023
Smoke
particles
generated
by
burning
biomass
consist
mainly
of
organic
aerosol
termed
(BBOA).
BBOA
influences
the
climate
scattering
and
absorbing
solar
radiation
or
acting
as
nuclei
for
cloud
formation.
The
viscosity
phase
behavior
(i.e.,
number
type
phases
present
in
a
particle)
are
properties
that
expected
to
impact
several
climate-relevant
processes
but
remain
highly
uncertain.
We
studied
using
fluorescence
microscopy
showed
comprise
two
(a
hydrophobic
hydrophilic
phase)
across
wide
range
atmospheric
relative
humidity
(RH).
determined
at
room
temperature
photobleaching
method
possess
different
RH-dependent
viscosities.
is
largely
independent
RH
from
0
95%.
use
Vogel–Fulcher–Tamman
equation
extrapolate
our
results
colder
warmer
temperatures,
based
on
extrapolation,
predicted
be
glassy
(viscosity
>1012
Pa
s)
temperatures
less
than
230
K
RHs
below
95%,
with
possible
implications
heterogeneous
reaction
kinetics
formation
atmosphere.
Using
kinetic
multilayer
model
(KM-GAP),
we
investigated
effect
lifetime
brown
carbon
within
BBOA,
which
climate-warming
agent.
presence
can
increase
planetary
boundary
layer
polar
regions
compared
previous
modeling
studies.
Hence,
lead
an
warming
climate.
Biomass
burning
organic
aerosol
(BBOA)
is
a
major
contributor
to
in
the
atmosphere.
The
impacts
of
BBOA
on
climate
and
health
depend
strongly
their
physicochemical
properties,
including
viscosity
phase
behaviour
(number
types
phases);
these
relationships
chemistry,
are
not
yet
fully
characterized.
We
collected
field
samples
during
2021
British
Columbia
wildfire
season
constrain
at
range
relative
humidities,
compared
them
laboratory
generated
made
from
smoldering
pine
wood.
Particles
all
exhibited
two-phased
with
higher
polarity
hydrophilic
core
lower
hydrophobic
shell.
used
poke-flow
technique
estimate
particles.
found
that
both
phases
had
viscosities
>10
8
Pa
s
humidities
up
50%,
which
more
viscous
than
any
or
proxies
previously
measured.
Aerosol
mass
spectrometry
showed
were
oxidized
those
lab,
likely
explanation
for
viscosity.
two
high
have
implications
how
should
be
treated
atmospheric
models
Biomass
burning
organic
aerosol
(BBOA)
is
a
major
contributor
to
in
the
atmosphere.
The
impacts
of
BBOA
on
climate
and
health
depend
strongly
upon
their
physicochemical
properties,
including
viscosity
phase
behavior
(number
types
phases);
these
properties
are
not
yet
fully
characterized.
We
collected
field
samples
during
2021
British
Columbia
wildfire
season
constrain
at
range
relative
humidities
compared
them
previous
studies
BBOA.
Particles
from
all
exhibited
two-phased
with
polar
hydrophilic
nonpolar
hydrophobic
phase.
used
poke-flow
technique
estimate
particles.
Both
phases
had
viscosities
>108
Pa
s
up
50%.
Such
high
correspond
mixing
times
within
200
nm
particles
>5
h.
Two
have
implications
for
how
should
be
treated
atmospheric
models.
Atmospheric and Oceanic Optics,
Journal Year:
2023,
Volume and Issue:
36(4), P. 337 - 347
Published: Aug. 1, 2023
Abstract
We
describe
a
computational
technology
for
studying
the
effects
of
aerosol-radiation
interaction
and
calculating
regional
estimates
direct
(DRE)
semidirect
radiative
(SDRE)
biomass
burning
(BB)
aerosol
based
on
simulations
with
CHIMERE
chemistry
transport
model
coupled
WRF
meteorological
model.
The
was
applied
to
numerical
Siberian
in
eastern
Arctic
period
July
16–31,
2016.
show
that
smokes,
whole,
had
significant
cooling
effect
atmosphere
due
DRE,
value
which
at
top
was,
average,
−6.0
W
m
−2
,
being
minimal
over
snow-ice
cover
ocean
(−1.2
).
At
same
time,
contribution
BB
DRE
balance
is
found
be
offset
certain
extent
by
SDRE,
positive
(2.0
),
average.
SDRE
formed
as
result
multihour
processes
plays
most
important
role
covers,
where
it
exceeds
absolute
value.
It
has
been
shown
BBA
our
experiments
mainly
scattering
(rather
than
absorption)
radiation
particles.
Atmosphere,
Journal Year:
2022,
Volume and Issue:
13(11), P. 1912 - 1912
Published: Nov. 17, 2022
This
Special
Issue
aimed
to
collect
novel
papers
presented
at
the
27th
International
Conference
on
“Atmospheric
and
Ocean
Optics:
Atmospheric
Physics”
(AOO—21)
held
from
5
9
July
2021
in
Moscow,
Russia
[...]
27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics,
Journal Year:
2022,
Volume and Issue:
unknown, P. 177 - 177
Published: Dec. 8, 2022
Measurements
of
polarization
scattering
phase
functions
and
spectral
extinction
coefficients
were
carried
out
in
smoke
aerosols
formed
as
a
result
thermal
decomposition
wood
materials,
big
aerosol
chamber
(BAC)
the
IAO
SB
RAS.
The
results
are
presented
reconstructing
parameters
microstructure
complex
refractive
index
based
on
developed
algorithm
for
inverting
optical
measurements.
Temporal
variability
microphysical
characteristics
is
studied.
