Frontiers in Forests and Global Change,
Journal Year:
2024,
Volume and Issue:
7
Published: July 30, 2024
Increasing
impacts
from
wildfires
are
reshaping
fire
policies
worldwide,
with
expanded
investments
in
a
wide
range
of
fuel
reduction
strategies.
In
many
prone
regions,
especially
the
Mediterranean
basin,
management
programs
have
relied
on
break
networks
for
decades
to
facilitate
suppression
and
reduce
area
burned
damage.
By
contrast,
federal
forests
western
United
States,
is
guided
primarily
by
landscape
restoration
goals,
including
improving
resiliency
such
that
can
be
managed
ecological
benefit,
used
more
as
tool
shape
burn
patterns
less
extinguish
fires.
New
both
systems
now
calling
hybrid
approaches
rely
types
efficient
allocation
alternative
spatial
treatment
patterns:
linear
versus
patches
across
landscape.
However,
studies
combine
these
strategies
examine
co-prioritization
outcomes
potential
synergies
largely
non-existent.
Here,
we
analyzed
scenarios
implementing
treatments
concert
while
varying
prioritization
metrics
one
type
or
other
States
national
forest.
We
measured
response
related
intersection
rate,
improvement
forest
resiliency,
net
revenue.
found
projects
benefits
identified
mapped
independently
implementation
scenario
objective.
prioritized
breaks
preceding
resulted
identification
met
criteria
providing
dual
benefits.
The
study
rare
example
optimizing
serve
protection
goals
different
designs.
Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(1)
Published: Jan. 1, 2024
Changes
to
the
spatiotemporal
patterns
of
wildfire
are
having
profound
implications
for
ecosystems
and
society
globally,
but
we
have
limited
understanding
extent
which
fire
regimes
will
reorganize
in
a
warming
world.
While
predicting
regime
shifts
remains
challenging
because
complex
climate-vegetation-fire
feedbacks,
climate
niches
provides
simple
way
identify
locations
most
at
risk
change.
Using
globally
available
satellite
datasets,
constructed
14
metrics
describing
dimensions
then
delineated
Australia's
pyroregions-the
geographic
area
encapsulating
broad
regime.
Cluster
analysis
revealed
18
pyroregions,
notably
including
(1)
high-intensity,
infrequent
fires
temperate
forests,
(2)
high-frequency,
smaller
tropical
savanna,
(3)
low-intensity,
diurnal,
human-engineered
agricultural
zones.
To
inform
shifts,
identified
where
under
three
CMIP6
scenarios
is
projected
shift
(i)
beyond
each
pyroregion's
historical
niche,
(ii)
into
space
that
novel
Australian
continent.
Under
middle-of-the-road
projections
(SSP2-4.5),
an
average
65%
pyroregions
occurred
their
by
2081-2100.
Further,
52%
pyroregion
extents,
on
average,
were
occur
without
present-day
analogues
continent,
implying
high
shifting
states
also
lack
counterparts.
Pyroregions
hot-arid
climates
both
locally
continentally
narrower
than
southern
already-hot
lead
earlier
departure
from
space.
Such
implies
widespread
emergence
no-analogue
regimes.
Our
approach
can
be
applied
other
regions
assess
vulnerability
rapid
International Journal of Wildland Fire,
Journal Year:
2024,
Volume and Issue:
33(6)
Published: May 30, 2024
Global
environmental
and
social
change
are
pushing
wildfire
activity
impact
beyond
known
trajectories.
Here,
we
conducted
a
targeted
review
to
distill
five
challenges
that
argue
form
opportunities
for
their
governance
(research
aim
1).
We
exemplified
our
arguments
by
drawing
from
the
case
of
Cyprus
2),
small
island
country
in
south-east
European
Mediterranean
Basin
at
risk
extreme
impact.
Findings
indicate
burning
ecological
resource
benefits,
innovative
management
paradigms
anticipatory
systems
offer
actionable
solutions
paradox
limits
suppression.
Local
adaptive
institutions
reconceptualisation
as
process
technocratic
interpretations
necessary
account
broader
conditions
shaping
regimes
community
Governance
accommodate
collective
action
have
proven
suitable
address
multiple
complexities
linked
with
different
socio-economic
values.
A
systematic
literature
review,
policy
qualitative
data
collection
on
track
back
initial
framing.
Our
study
offers
insights
tackling
wildfires
steps
through
overarching
systems,
illustrates
potential
thinking
acting
flammable
landscapes
globally.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
380(1924)
Published: April 1, 2025
Persistent
positive
anomalies
(PPAs)
in
500
hPa
geopotential
height
are
upper-air
circulation
patterns
associated
with
surface
heatwaves,
drought
and
fuel
aridity.
We
examined
the
association
between
PPA
events
fire
weather
burned
area
at
a
pan-European
level.
Europe-wide,
extreme
wildfires
were
on
average
3.5
2.3
times
more
likely
to
occur
concurrently
PPA,
respectively.
PPAs
45%
of
March
October
2001–2021,
there
was
latitudinal
increase
up
63%
percentage
during
or
7
days
following
over
Northern
Europe.
The
highest
one
week
presence,
moisture
indices
from
Canadian
Fire
Weather
Index
System
lagged
behind
peak
strength,
demonstrating
role
pre-drying
fuels.
Our
findings
highlight
opportunities
for
developing
early
warning
systems
wildfire
danger,
having
implications
awareness
preparedness,
informing
policy
management
decisions
like
mobilization
resource
sharing
initiatives
across
This
article
is
part
theme
issue
‘Novel
regimes
under
climate
changes
human
influences:
impacts,
ecosystem
responses
feedbacks’.
Geomatics Natural Hazards and Risk,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 11, 2025
Wildfires
are
particularly
prevalent
in
the
Mediterranean,
being
expected
to
increase
frequency
due
regional
temperatures
and
decrease
precipitation.
Effectively
suppressing
large
wildfires
requires
a
thorough
understanding
of
containment
opportunities
across
landscapes,
which
empirical
spatial
modelling
can
contribute
largely.
The
previous
model
Catalonia
failed
account
for
crucial
roles
weather
conditions,
lacked
temporal
prediction
could
not
forecast
windows
opportunities,
prompting
this
research.
We
employed
detailed
geospatial
approach
assess
spatial-temporal
variations
probability
escaped
Catalonia.
Using
machine
learning
algorithms,
data,
124
historical
wildfire
perimeters
from
2000
2015,
we
developed
predictive
with
high
accuracy
(Area
Under
Receiver
Operating
Characteristics
Curve
=
0.81
±
0.03)
over
32,108
km2
at
30-meter
resolution.
Our
analysis
identified
agricultural
plains
near
non-burnable
barriers,
such
as
major
road
corridors,
having
highest
probability.
Conversely,
steep
mountainous
regions
limited
accessibility
exhibited
lower
success
rates.
also
found
temperature
windspeed
be
critical
factors
influencing
success.
These
findings
inform
optimal
firefighting
resource
allocation
strategic
fuel
management
initiatives
enhance
operations.
Biogeosciences,
Journal Year:
2025,
Volume and Issue:
22(1), P. 213 - 242
Published: Jan. 13, 2025
Abstract.
Fire
is
regarded
as
an
essential
climate
variable,
emitting
greenhouse
gases
in
the
combustion
process.
Current
global
assessments
of
fire
emissions
traditionally
rely
on
coarse
remotely
sensed
burned-area
data,
along
with
biome-specific
completeness
and
emission
factors
(EFs).
However,
large
uncertainties
persist
regarding
burned
areas,
biomass
affected,
factors.
Recent
increases
resolution
have
improved
previous
estimates
areas
aboveground
while
increasing
information
content
used
to
derive
factors,
complemented
by
airborne
sensors
deployed
tropics.
To
date,
temperate
forests,
characterized
a
lower
incidence
stricter
aerial
surveillance
restrictions
near
wildfires,
received
less
attention.
In
this
study,
we
leveraged
distinctive
season
2022,
which
impacted
western
European
investigate
monitored
atmospheric
tower
network.
We
examined
role
soil
smoldering
responsible
for
higher
carbon
emissions,
locally
reported
firefighters
but
not
accounted
budgets.
assessed
CO/CO2
ratio
released
major
fires
Mediterranean,
Atlantic
pine,
forests
France.
Our
findings
revealed
low
modified
efficiency
(MCE)
two
regions,
supporting
assumption
heavy
combustion.
This
type
was
associated
specific
characteristics,
such
long-lasting
thermal
signals,
affected
ecosystems
encompassing
needle
leaf
species,
peatlands,
superficial
lignite
deposits
soils.
Thanks
high-resolution
data
(approximately
10
m)
tree
biomass,
organic
matter
(SOM),
proposed
revised
framework
consistent
observed
MCEs.
that
6.15
Mt
CO2
(±2.65)
emitted,
belowground
stock
accounting
51.75
%
(±16.05).
Additionally,
calculated
total
1.14
CO
(±0.61),
84.85
(±3.75)
originating
from
As
result,
2022
France
amounted
7.95
MtCO2-eq
(±3.62).
These
values
exceed
2-fold
Global
Assimilation
System
(GFAS)
country,
reaching
4.18
(CO
CO2).
Fires
represent
1.97
(±0.89)
country's
annual
footprint,
corresponding
reduction
30
forest
sink
year.
Consequently,
conclude
current
should
be
account
forests.
also
recommend
use
mixing
ratios
effective
monitoring
system
prolonged
potential
re-ignite
following
weeks.
Overwintering
peat
fires
are
re-emerging
in
snow-covered
Arctic-boreal
regions,
releasing
unprecedented
levels
of
carbon
into
the
atmosphere
and
exacerbating
climate
change.
Despite
critical
role
fire–snow
interactions
these
processes,
our
understanding
them
remains
limited.
Herein,
we
conducted
small-scale
outdoor
experiments
(20
×
20
cm3)
at
subzero
temperatures
(−5
±
5
°C)
to
investigate
impact
natural
snowfall
accumulated
snow
layers
(up
cm
thick)
on
shallow
smoldering
fires.
We
found
that
even
heavy
snowfalls
(a
maximum
water
equivalent
intensity
1.1
mm/h
or
a
24
h
precipitation
7.9
mm)
cannot
suppress
fire.
A
thick
cover
surface
can
extract
heat
from
burning
front
underneath,
minimum
thickness
layer
extinguish
fire
was
be
9
1
temperatures,
agreeing
well
with
theoretical
analysis.
Furthermore,
larger-scale
field
demonstrations
(1.5
1.5
m2)
were
validate
experimental
phenomena.
This
work
helps
us
understand
between
reveals
persistence
wildfires
under
cold
environments.
