Abstract.
We
present
an
evaluation
of
the
regional
chemical
transport
model
(CTM)
WRF-CHIMERE
(v2020r2)
for
formation
biogenic
secondary
organic
aerosol
(BSOA)
with
a
focus
over
Finnish
boreal
forest.
Formation
processes
aerosols
are
still
affected
by
different
sources
uncertainties,
and
model’s
predictions
largely
varies
depending
on
levels
details
adopted
emissions
schemes.
In
this
study,
air
quality
simulations
were
conducted
astronomical
summer
year
2019
using
(OA)
schemes
(as
currently
available
in
literature)
to
treat
BSOA.
First,
we
performed
set
framework
volatility
basis
(VBS)
scheme
carrying
assumptions
treatment
aging
The
results
compared
against
high-resolution
(i.e.,
1-hour)
mass
size
distribution
measurements
at
Station
Measuring
Ecosystem–Atmosphere
Relations
(SMEAR-II)
site
located
Hyytiälä,
addition
other
gas-phases
species
such
as
ozone
(O3),
nitrogen
oxides
(NOx)
BVOCs
isoprene
(C5H10)
monoterpenes.
show
that
could
well
reproduce
diurnal
variation
measured
OA
concentrations
all
investigated
scenarios
(along
standard
meteorological
parameters)
increase
during
specific
heat
waves
episodes.
However,
modeled
varied
between
use
describe
Additionally,
comparisons
monoterpenes
revealed
captured
observed
concentrations,
but
was
overestimated,
feature
mainly
attributed
overstated
isoprene.
potential
consequences
overestimation
inhibiting
from
modeling
system.
Results
indicated
BSOA
generally
increased
base-case
simulation
enabled
emissions.
latest
shift
reactions
compounds
radicals,
further
suggested
reduction
α-pinene
concentrations.
Finally,
briefly
analyze
differences
Cloud
Liquid
Water
Content
(clwc)
among
Model’s
clwc
values
SMEAR-II
site,
higher
loads,
likely
numbered
particles
capable
activating
cloud
droplets.
Abstract.
We
present
an
evaluation
of
the
regional
chemical
transport
model
(CTM)
WRF-CHIMERE
(v2020r2)
for
formation
biogenic
secondary
organic
aerosol
(BSOA)
with
a
focus
over
Finnish
boreal
forest.
Formation
processes
aerosols
are
still
affected
by
different
sources
uncertainties,
and
model’s
predictions
largely
varies
depending
on
levels
details
adopted
emissions
schemes.
In
this
study,
air
quality
simulations
were
conducted
astronomical
summer
year
2019
using
(OA)
schemes
(as
currently
available
in
literature)
to
treat
BSOA.
First,
we
performed
set
framework
volatility
basis
(VBS)
scheme
carrying
assumptions
treatment
aging
The
results
compared
against
high-resolution
(i.e.,
1-hour)
mass
size
distribution
measurements
at
Station
Measuring
Ecosystem–Atmosphere
Relations
(SMEAR-II)
site
located
Hyytiälä,
addition
other
gas-phases
species
such
as
ozone
(O3),
nitrogen
oxides
(NOx)
BVOCs
isoprene
(C5H10)
monoterpenes.
show
that
could
well
reproduce
diurnal
variation
measured
OA
concentrations
all
investigated
scenarios
(along
standard
meteorological
parameters)
increase
during
specific
heat
waves
episodes.
However,
modeled
varied
between
use
describe
Additionally,
comparisons
monoterpenes
revealed
captured
observed
concentrations,
but
was
overestimated,
feature
mainly
attributed
overstated
isoprene.
potential
consequences
overestimation
inhibiting
from
modeling
system.
Results
indicated
BSOA
generally
increased
base-case
simulation
enabled
emissions.
latest
shift
reactions
compounds
radicals,
further
suggested
reduction
α-pinene
concentrations.
Finally,
briefly
analyze
differences
Cloud
Liquid
Water
Content
(clwc)
among
Model’s
clwc
values
SMEAR-II
site,
higher
loads,
likely
numbered
particles
capable
activating
cloud
droplets.
Abstract.
We
present
an
evaluation
of
the
regional
chemical
transport
model
(CTM)
WRF-CHIMERE
(v2020r2)
for
formation
biogenic
secondary
organic
aerosol
(BSOA)
with
a
focus
over
Finnish
boreal
forest.
Formation
processes
aerosols
are
still
affected
by
different
sources
uncertainties,
and
model’s
predictions
largely
varies
depending
on
levels
details
adopted
emissions
schemes.
In
this
study,
air
quality
simulations
were
conducted
astronomical
summer
year
2019
using
(OA)
schemes
(as
currently
available
in
literature)
to
treat
BSOA.
First,
we
performed
set
framework
volatility
basis
(VBS)
scheme
carrying
assumptions
treatment
aging
The
results
compared
against
high-resolution
(i.e.,
1-hour)
mass
size
distribution
measurements
at
Station
Measuring
Ecosystem–Atmosphere
Relations
(SMEAR-II)
site
located
Hyytiälä,
addition
other
gas-phases
species
such
as
ozone
(O3),
nitrogen
oxides
(NOx)
BVOCs
isoprene
(C5H10)
monoterpenes.
show
that
could
well
reproduce
diurnal
variation
measured
OA
concentrations
all
investigated
scenarios
(along
standard
meteorological
parameters)
increase
during
specific
heat
waves
episodes.
However,
modeled
varied
between
use
describe
Additionally,
comparisons
monoterpenes
revealed
captured
observed
concentrations,
but
was
overestimated,
feature
mainly
attributed
overstated
isoprene.
potential
consequences
overestimation
inhibiting
from
modeling
system.
Results
indicated
BSOA
generally
increased
base-case
simulation
enabled
emissions.
latest
shift
reactions
compounds
radicals,
further
suggested
reduction
α-pinene
concentrations.
Finally,
briefly
analyze
differences
Cloud
Liquid
Water
Content
(clwc)
among
Model’s
clwc
values
SMEAR-II
site,
higher
loads,
likely
numbered
particles
capable
activating
cloud
droplets.
Abstract.
We
present
an
evaluation
of
the
regional
chemical
transport
model
(CTM)
WRF-CHIMERE
(v2020r2)
for
formation
biogenic
secondary
organic
aerosol
(BSOA)
with
a
focus
over
Finnish
boreal
forest.
Formation
processes
aerosols
are
still
affected
by
different
sources
uncertainties,
and
model’s
predictions
largely
varies
depending
on
levels
details
adopted
emissions
schemes.
In
this
study,
air
quality
simulations
were
conducted
astronomical
summer
year
2019
using
(OA)
schemes
(as
currently
available
in
literature)
to
treat
BSOA.
First,
we
performed
set
framework
volatility
basis
(VBS)
scheme
carrying
assumptions
treatment
aging
The
results
compared
against
high-resolution
(i.e.,
1-hour)
mass
size
distribution
measurements
at
Station
Measuring
Ecosystem–Atmosphere
Relations
(SMEAR-II)
site
located
Hyytiälä,
addition
other
gas-phases
species
such
as
ozone
(O3),
nitrogen
oxides
(NOx)
BVOCs
isoprene
(C5H10)
monoterpenes.
show
that
could
well
reproduce
diurnal
variation
measured
OA
concentrations
all
investigated
scenarios
(along
standard
meteorological
parameters)
increase
during
specific
heat
waves
episodes.
However,
modeled
varied
between
use
describe
Additionally,
comparisons
monoterpenes
revealed
captured
observed
concentrations,
but
was
overestimated,
feature
mainly
attributed
overstated
isoprene.
potential
consequences
overestimation
inhibiting
from
modeling
system.
Results
indicated
BSOA
generally
increased
base-case
simulation
enabled
emissions.
latest
shift
reactions
compounds
radicals,
further
suggested
reduction
α-pinene
concentrations.
Finally,
briefly
analyze
differences
Cloud
Liquid
Water
Content
(clwc)
among
Model’s
clwc
values
SMEAR-II
site,
higher
loads,
likely
numbered
particles
capable
activating
cloud
droplets.
Abstract.
We
present
an
evaluation
of
the
regional
chemical
transport
model
(CTM)
WRF-CHIMERE
(v2020r2)
for
formation
biogenic
secondary
organic
aerosol
(BSOA)
with
a
focus
over
Finnish
boreal
forest.
Formation
processes
aerosols
are
still
affected
by
different
sources
uncertainties,
and
model’s
predictions
largely
varies
depending
on
levels
details
adopted
emissions
schemes.
In
this
study,
air
quality
simulations
were
conducted
astronomical
summer
year
2019
using
(OA)
schemes
(as
currently
available
in
literature)
to
treat
BSOA.
First,
we
performed
set
framework
volatility
basis
(VBS)
scheme
carrying
assumptions
treatment
aging
The
results
compared
against
high-resolution
(i.e.,
1-hour)
mass
size
distribution
measurements
at
Station
Measuring
Ecosystem–Atmosphere
Relations
(SMEAR-II)
site
located
Hyytiälä,
addition
other
gas-phases
species
such
as
ozone
(O3),
nitrogen
oxides
(NOx)
BVOCs
isoprene
(C5H10)
monoterpenes.
show
that
could
well
reproduce
diurnal
variation
measured
OA
concentrations
all
investigated
scenarios
(along
standard
meteorological
parameters)
increase
during
specific
heat
waves
episodes.
However,
modeled
varied
between
use
describe
Additionally,
comparisons
monoterpenes
revealed
captured
observed
concentrations,
but
was
overestimated,
feature
mainly
attributed
overstated
isoprene.
potential
consequences
overestimation
inhibiting
from
modeling
system.
Results
indicated
BSOA
generally
increased
base-case
simulation
enabled
emissions.
latest
shift
reactions
compounds
radicals,
further
suggested
reduction
α-pinene
concentrations.
Finally,
briefly
analyze
differences
Cloud
Liquid
Water
Content
(clwc)
among
Model’s
clwc
values
SMEAR-II
site,
higher
loads,
likely
numbered
particles
capable
activating
cloud
droplets.
Abstract.
We
present
an
evaluation
of
the
regional
chemical
transport
model
(CTM)
WRF-CHIMERE
(v2020r2)
for
formation
biogenic
secondary
organic
aerosol
(BSOA)
with
a
focus
over
Finnish
boreal
forest.
Formation
processes
aerosols
are
still
affected
by
different
sources
uncertainties,
and
model’s
predictions
largely
varies
depending
on
levels
details
adopted
emissions
schemes.
In
this
study,
air
quality
simulations
were
conducted
astronomical
summer
year
2019
using
(OA)
schemes
(as
currently
available
in
literature)
to
treat
BSOA.
First,
we
performed
set
framework
volatility
basis
(VBS)
scheme
carrying
assumptions
treatment
aging
The
results
compared
against
high-resolution
(i.e.,
1-hour)
mass
size
distribution
measurements
at
Station
Measuring
Ecosystem–Atmosphere
Relations
(SMEAR-II)
site
located
Hyytiälä,
addition
other
gas-phases
species
such
as
ozone
(O3),
nitrogen
oxides
(NOx)
BVOCs
isoprene
(C5H10)
monoterpenes.
show
that
could
well
reproduce
diurnal
variation
measured
OA
concentrations
all
investigated
scenarios
(along
standard
meteorological
parameters)
increase
during
specific
heat
waves
episodes.
However,
modeled
varied
between
use
describe
Additionally,
comparisons
monoterpenes
revealed
captured
observed
concentrations,
but
was
overestimated,
feature
mainly
attributed
overstated
isoprene.
potential
consequences
overestimation
inhibiting
from
modeling
system.
Results
indicated
BSOA
generally
increased
base-case
simulation
enabled
emissions.
latest
shift
reactions
compounds
radicals,
further
suggested
reduction
α-pinene
concentrations.
Finally,
briefly
analyze
differences
Cloud
Liquid
Water
Content
(clwc)
among
Model’s
clwc
values
SMEAR-II
site,
higher
loads,
likely
numbered
particles
capable
activating
cloud
droplets.