Science Advances,
Journal Year:
2020,
Volume and Issue:
6(41)
Published: Oct. 7, 2020
Soil
respiration
(Rs)
represents
the
largest
flux
of
CO2
from
terrestrial
ecosystems
to
atmosphere,
but
its
spatial
and
temporal
changes
as
well
driving
forces
are
not
understood.
We
derived
a
product
annual
global
Rs
2000
2014
at
1
km
by
resolution
using
remote
sensing
data
biome-specific
statistical
models.
Different
existing
view
that
climate
change
dominated
in
Rs,
we
showed
land-cover
played
more
important
role
regulating
temperate
boreal
regions
during
2000-2014.
Significant
occurred
frequently
areas
with
significant
short
vegetation
cover
(i.e.,
all
shorter
than
5
m
height)
change.
These
results
contribute
our
understanding
patterns
highlight
importance
regional
changes.
Reviews of Geophysics,
Journal Year:
2022,
Volume and Issue:
60(3)
Published: April 11, 2022
Abstract
Recent
wildfire
outbreaks
around
the
world
have
prompted
concern
that
climate
change
is
increasing
fire
incidence,
threatening
human
livelihood
and
biodiversity,
perpetuating
change.
Here,
we
review
current
understanding
of
impacts
on
weather
(weather
conditions
conducive
to
ignition
spread
wildfires)
consequences
for
regional
activity
as
mediated
by
a
range
other
bioclimatic
factors
(including
vegetation
biogeography,
productivity
lightning)
ignition,
suppression,
land
use).
Through
supplemental
analyses,
present
stocktake
trends
in
burned
area
(BA)
during
recent
decades,
examine
how
relates
its
drivers.
Fire
controls
annual
timing
fires
most
regions
also
drives
inter‐annual
variability
BA
Mediterranean,
Pacific
US
high
latitude
forests.
Increases
frequency
extremity
been
globally
pervasive
due
1979–2019,
meaning
landscapes
are
primed
burn
more
frequently.
Correspondingly,
increases
∼50%
or
higher
seen
some
extratropical
forest
ecoregions
including
high‐latitude
forests
2001–2019,
though
interannual
remains
large
these
regions.
Nonetheless,
can
override
relationship
between
weather.
For
example,
savannahs
strongly
patterns
fuel
production
fragmentation
naturally
fire‐prone
agriculture.
Similarly,
tropical
relate
deforestation
rates
degradation
than
changing
Overall,
has
reduced
27%
past
two
part
decline
African
savannahs.
According
models,
prevalence
already
emerged
beyond
pre‐industrial
Mediterranean
change,
emergence
will
become
increasingly
widespread
at
additional
levels
warming.
Moreover,
several
major
wildfires
experienced
years,
Australian
bushfires
2019/2020,
occurred
amidst
were
considerably
likely
Current
models
incompletely
reproduce
observed
spatial
based
their
existing
representations
relationships
controls,
historical
vary
across
models.
Advances
observation
controlling
supporting
addition
optimization
processes
exerting
upwards
pressure
intensity
weather,
this
escalate
with
each
increment
global
Improvements
better
interactions
climate,
extremes,
humans
required
predict
future
mitigate
against
consequences.
Frontiers in Ecology and the Environment,
Journal Year:
2021,
Volume and Issue:
19(7), P. 387 - 395
Published: June 3, 2021
No
single
factor
produces
wildfires;
rather,
they
occur
when
fire
thresholds
(ignitions,
fuels,
and
drought)
are
crossed.
Anomalous
weather
events
may
lower
these
thereby
enhance
the
likelihood
spread
of
wildfires.
Climate
change
increases
frequency
with
which
some
crossed,
extending
duration
season
increasing
dry
years.
However,
climate‐related
factors
do
not
explain
all
complexity
global
fire‐regime
changes,
as
altered
ignition
patterns
(eg
human
behavior)
fuel
structures
land‐use
suppression,
drought‐induced
dieback,
fragmentation)
extremely
important.
When
size
a
will
largely
depend
on
extent
available
area
continuous
fuels
in
landscape.
