Visitor Dynamics under Disturbance: Exploring the Interplay of Air Quality, Wildfires, and U.S. National Park Visitation Patterns
Leisure Sciences,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 28
Published: Feb. 24, 2025
Language: Английский
Ozone Pollution Extremes in Southeast China Exacerbated by Reduced Uptake by Vegetation During Hot Droughts
Geophysical Research Letters,
Journal Year:
2025,
Volume and Issue:
52(8)
Published: April 21, 2025
Abstract
Using
a
decade
of
observations
and
chemistry‐climate
model
simulations
(2014–2023),
we
highlight
the
key
role
biosphere‐atmosphere
interactions
in
driving
late
summer–autumn
ozone
pollution
extremes
over
Southeast
China
during
hot
droughts.
In
2019
2022
droughts,
stomatal
closure
Yangtze
River
Basin,
caused
by
soil
moisture
deficits,
led
to
∼60%
reductions
deposition
rates
vegetation,
aligning
with
reduced
photosynthesis
inferred
from
satellite
remote
sensing
solar
induced
fluorescence.
Ozone
production
increased
due
higher
isoprene
emissions
heat
stress,
NO
x
‐rich
airflow
North
China,
enhanced
radiation.
Soil
drought
intensified
temperatures
27%,
but
these
only
had
marginal
impact
on
(<5
ppbv)
South
where
formation
is
‐limited.
Reduced
uptake
drought‐stressed
vegetation
played
dominant
role,
10–20
ppbv
increases
daily
maximum
8‐hr
average
concentrations
threefold
rise
events
exceeding
100
ppbv.
Language: Английский
HTAP3 Fires: Towards a multi-model, multi-pollutant study of fire impacts
Published: Aug. 28, 2024
Abstract.
Open
biomass
burning
has
major
impacts
globally
and
regionally
on
atmospheric
composition.
Fire
emissions
include
particulate
matter,
tropospheric
ozone
precursors,
greenhouse
gases,
as
well
persistent
organic
pollutants,
mercury
other
metals.
frequency,
intensity,
duration,
location
are
changing
the
climate
warms,
modelling
these
fires
their
is
becoming
more
critical
to
inform
adaptation
mitigation,
land
management.
Indeed,
air
pollution
from
can
reverse
progress
made
by
emission
controls
industry
transportation.
At
same
time,
nearly
all
aspects
of
fire
–
such
emissions,
plume
injection
height,
long-range
transport,
chemistry
highly
uncertain.
This
paper
outlines
a
multi-model,
multi-pollutant,
multi-regional
study
improve
understanding
uncertainties
variability
in
science,
models,
fires’
impacts,
addition
providing
quantitative
estimates
radiative
burning.
Coordinated
under
auspices
Task
Force
Hemispheric
Transport
Air
Pollution,
international
science
communities
working
towards
common
goal
improving
global
using
this
multi-model
experiment
provide
for
impact
studies.
research
needs,
opportunities,
options
fire-focused
experiments
provides
guidance
experiments,
outputs,
analysis
that
be
pursued
over
next
3
5
years.
It
proposes
plan
delivering
specific
products
at
key
points
period
meet
important
milestones
relevant
policy
audiences.
Language: Английский
Reply on RC2
Published: Dec. 13, 2024
Open
biomass
burning
has
major
impacts
globally
and
regionally
on
atmospheric
composition.
Fire
emissions
include
particulate
matter,
tropospheric
ozone
precursors,
greenhouse
gases,
as
well
persistent
organic
pollutants,
mercury
other
metals.
frequency,
intensity,
duration,
location
are
changing
the
climate
warms,
modelling
these
fires
their
is
becoming
more
critical
to
inform
adaptation
mitigation,
land
management.
Indeed,
air
pollution
from
can
reverse
progress
made
by
emission
controls
industry
transportation.
At
same
time,
nearly
all
aspects
of
fire
–
such
emissions,
plume
injection
height,
long-range
transport,
chemistry
highly
uncertain.
This
paper
outlines
a
multi-model,
multi-pollutant,
multi-regional
study
improve
understanding
uncertainties
variability
in
science,
models,
fires’
impacts,
addition
providing
quantitative
estimates
radiative
burning.
Coordinated
under
auspices
Task
Force
Hemispheric
Transport
Air
Pollution,
international
science
communities
working
towards
common
goal
improving
global
using
this
multi-model
experiment
provide
for
impact
studies.
research
needs,
opportunities,
options
fire-focused
experiments
provides
guidance
experiments,
outputs,
analysis
that
be
pursued
over
next
3
5
years.
It
proposes
plan
delivering
specific
products
at
key
points
period
meet
important
milestones
relevant
policy
audiences.
Language: Английский
Reply on RC1
Published: Dec. 13, 2024
Open
biomass
burning
has
major
impacts
globally
and
regionally
on
atmospheric
composition.
Fire
emissions
include
particulate
matter,
tropospheric
ozone
precursors,
greenhouse
gases,
as
well
persistent
organic
pollutants,
mercury
other
metals.
frequency,
intensity,
duration,
location
are
changing
the
climate
warms,
modelling
these
fires
their
is
becoming
more
critical
to
inform
adaptation
mitigation,
land
management.
Indeed,
air
pollution
from
can
reverse
progress
made
by
emission
controls
industry
transportation.
At
same
time,
nearly
all
aspects
of
fire
–
such
emissions,
plume
injection
height,
long-range
transport,
chemistry
highly
uncertain.
This
paper
outlines
a
multi-model,
multi-pollutant,
multi-regional
study
improve
understanding
uncertainties
variability
in
science,
models,
fires’
impacts,
addition
providing
quantitative
estimates
radiative
burning.
Coordinated
under
auspices
Task
Force
Hemispheric
Transport
Air
Pollution,
international
science
communities
working
towards
common
goal
improving
global
using
this
multi-model
experiment
provide
for
impact
studies.
research
needs,
opportunities,
options
fire-focused
experiments
provides
guidance
experiments,
outputs,
analysis
that
be
pursued
over
next
3
5
years.
It
proposes
plan
delivering
specific
products
at
key
points
period
meet
important
milestones
relevant
policy
audiences.
Language: Английский