Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 16, 2025
The
most
disastrous
heatwaves
are
very
extreme
events
with
return
periods
of
hundreds
years,
but
traditionally,
climate
research
has
focussed
on
moderate
occurring
every
couple
years
or
even
several
times
within
a
year.
Here,
we
use
three
Earth
System
Model
large
ensembles
to
assess
whether
heat
respond
differently
global
warming
than
events.
We
find
that
the
signal
can
be
amplified
dampened
substantially
compared
extremes.
This
modulation
is
detectable
already
in
mid-century
projections.
In
mid-latitudes,
it
explained
by
changes
event
soil
moisture-temperature
coupling
during
hottest
day
depend
interplay
present
moisture
and
as
well
projected
precipitation
changes.
mechanism
robust
across
models,
albeit
spatial
uncertainties.
Our
findings
highly
relevant
for
risk
assessments
adaptation
planning.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Oct. 4, 2021
Abstract
Extreme
heat
undermines
the
working
capacity
of
individuals,
resulting
in
lower
productivity,
and
thus
economic
output.
Here
we
analyse
present
future
damages
due
to
reduced
labour
productivity
caused
by
extreme
Europe.
For
analysis
current
impacts,
focused
on
heatwaves
occurring
four
recent
anomalously
hot
years
(2003,
2010,
2015,
2018)
compared
our
findings
historical
period
1981–2010.
In
selected
years,
total
estimated
attributed
amounted
0.3–0.5%
European
gross
domestic
product
(GDP).
However,
identified
losses
were
largely
heterogeneous
across
space,
consistently
showing
GDP
impacts
beyond
1%
more
vulnerable
regions.
Future
projections
indicate
that
2060
might
increase
Europe
a
factor
almost
five
1981–2010
if
no
further
mitigation
or
adaptation
actions
are
taken,
suggesting
presence
pronounced
effects
regions
where
these
already
acute.
Proceedings of the National Academy of Sciences,
Journal Year:
2021,
Volume and Issue:
118(9)
Published: Feb. 22, 2021
Anthropogenic
climate
change
profoundly
alters
the
ocean’s
environmental
conditions,
which,
in
turn,
impact
marine
ecosystems.
Some
of
these
changes
are
happening
fast
and
may
be
difficult
to
reverse.
The
identification
monitoring
such
changes,
which
also
includes
tipping
points,
is
an
ongoing
emerging
research
effort.
Prevention
negative
impacts
requires
mitigation
efforts
based
on
feasible
research-based
pathways.
Climate-induced
points
traditionally
associated
with
singular
catastrophic
events
(relative
natural
variations)
dramatic
impact.
High-probability
high-impact
ocean
due
warming,
acidification,
deoxygenation
more
fragmented
both
regionally
time
but
add
up
global
dimensions.
These
combination
gradual
need
addressed
as
seriously
order
prevent
cumulative
often
compounding
societal
Earth
system
impacts.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Sept. 2, 2024
Climate
warming
disproportionately
impacts
countries
in
the
Global
South
by
increasing
extreme
heat
exposure.
However,
geographic
disparities
adaptation
capacity
are
unclear.
Here,
we
assess
global
inequality
green
spaces,
which
urban
residents
critically
rely
on
to
mitigate
outdoor
stress.
We
use
remote
sensing
data
quantify
daytime
cooling
greenery
warm
seasons
across
~500
largest
cities
globally.
show
a
striking
contrast,
with
having
~70%
of
North
(2.5
±
1.0
°C
vs.
3.6
1.7
°C).
A
similar
gap
occurs
for
benefits
received
an
average
resident
these
(2.2
0.9
3.4
This
is
due
discrepancies
space
quantity
and
quality
between
South,
shaped
socioeconomic
natural
factors.
Our
analyses
further
suggest
vast
potential
enhancing
while
reducing
inequality.
Environmental Research Letters,
Journal Year:
2021,
Volume and Issue:
16(8), P. 084022 - 084022
Published: July 2, 2021
Abstract
Anthropogenic
changes
in
the
variability
of
precipitation
stand
to
impact
both
natural
and
human
systems
profound
ways.
Precipitation
encompasses
not
only
extremes
like
droughts
floods,
but
also
spectrum
which
populates
times
between
these
extremes.
Understanding
alongside
mean
extreme
is
essential
unraveling
hydrological
cycle’s
response
warming.
We
use
a
suite
state-of-the-art
climate
models,
with
each
model
consisting
single-model
initial-condition
large
ensemble
(SMILE),
yielding
at
least
15
individual
realizations
equally
likely
evolutions
future
state
for
model.
The
SMILE
framework
allows
increased
precision
estimating
evolving
distribution
precipitation,
allowing
forced
be
compared
across
models.
show
that
scaling
rates
variability,
relation
rise
global
temperature
are
markedly
robust
timescales
from
interannual
decadal.
Over
mid-
high
latitudes,
it
very
increasing
entire
means
extremes,
as
all
timescales,
seasonally
can
amplified.
Model
or
structural
uncertainty
prevailing
especially
over
Tropics
Subtropics.
uncover
model-based
estimates
historical
sensitive
number
members
used,
‘small’
ensembles
(of
less
than
30
members)
systematically
underestimating
highlighting
utility
representation
full
distribution.
Climate Dynamics,
Journal Year:
2021,
Volume and Issue:
57(9-10), P. 2557 - 2580
Published: May 29, 2021
We
use
a
methodological
framework
exploiting
the
power
of
large
ensembles
to
evaluate
how
well
ten
coupled
climate
models
represent
internal
variability
and
response
external
forcings
in
observed
historical
surface
temperatures.
This
evaluation
allows
us
directly
attribute
discrepancies
between
observations
biases
simulated
or
forced
response,
without
relying
on
assumptions
separate
these
signals
observations.
The
largest
result
from
overestimated
warming
some
during
recent
decades.
In
contrast,
do
not
systematically
over-
underestimate
global
mean
temperature.
On
regional
scales,
all
misrepresent
temperature
over
Southern
Ocean,
while
overestimating
land-surface
areas,
such
as
Amazon
South
Asia,
high-latitude
oceans.
Our
shows
that
MPI-GE,
followed
by
GFDL-ESM2M
CESM-LE
offer
best
representation
both
Environmental Research Letters,
Journal Year:
2022,
Volume and Issue:
17(3), P. 035005 - 035005
Published: Feb. 21, 2022
Abstract
Increases
in
climate
hazards
and
their
impacts
mark
one
of
the
major
challenges
change.
Situations
which
occur
close
enough
to
another
result
amplified
impacts,
because
systems
are
insufficiently
resilient
or
themselves
made
more
severe,
special
concern.
We
consider
projected
changes
such
compounding
using
Max
Planck
Institute
Grand
Ensemble
under
a
moderate
(RCP4.5)
emissions
scenario,
produces
warming
about
2.25
°C
between
pre-industrial
(1851–1880)
2100.
find
that
extreme
heat
events
occurring
on
three
consecutive
days
increase
frequency
by
100%–300%,
precipitation
most
regions,
nearly
doubling
for
some.
The
chance
concurrent
drought
leading
simultaneous
maize
failures
breadbasket
regions
approximately
doubles,
while
interannual
wet-dry
oscillations
become
at
least
20%
likely
across
much
subtropics.
Our
results
highlight
importance
taking
extremes
into
account
when
looking
possible
tipping
points
socio-environmental
systems.
Weather and Climate Extremes,
Journal Year:
2022,
Volume and Issue:
36, P. 100449 - 100449
Published: April 26, 2022
Heatwaves
often
cause
immense
stress
on
human
society
and
the
natural
environment.
While
heatwaves
can
be
classified
into
daytime,
nighttime,
compound
daytime-nighttime
types,
specific
processes
associated
with
different
heatwave
types
remain
poorly
understood.
In
this
paper,
we
identify
mechanisms
operating
in
(i.e.,
extreme
heat
during
both
day
night)
independent
daytime
nighttime
southern
China.
Compound
generally
exhibit
stronger
temperature
increases
than
either
or
types.
Daytime
are
accompanied
by
increased
downward
shortwave
radiation
under
a
clear
sky
reduced
cloud
cover
moisture.
Nighttime
characterized
more
cloudy
moist
conditions,
longwave
at
surface
night.
A
combination
of
these
conditions
for
prevail
heatwaves.
All
three
strengthening
eastward
extension
South
Asian
high
(SAH)
upper
troposphere,
westward
western
North
Pacific
subtropical
(WNPSH)
lower
middle
troposphere.
Further
examinations
suggest
that
strongest
intensification
SAH
WNPSH.
Compared
heatwaves,
events
amplitude
WNPSH,
highs
tend
to
extend
southward
when
occur.
This
induces
an
anomalous
lower-level
anticyclone
drives
southwesterly
wind
anomaly
over
southeastern
circulation
feature
transports
warmer
humid
air
towards
The
enhanced
concentration
water
vapor
leads
absorption
outgoing
radiation,
re-emission
surface,
thus
resulting
warming
Journal of Advances in Modeling Earth Systems,
Journal Year:
2023,
Volume and Issue:
15(10)
Published: Oct. 1, 2023
Abstract
Single‐model
initial‐condition
large
ensembles
are
powerful
tools
to
quantify
the
forced
response,
internal
climate
variability,
and
their
evolution
under
global
warming.
Here,
we
present
CMIP6
version
of
Max
Planck
Institute
Grand
Ensemble
(MPI‐GE
CMIP6)
with
currently
30
realizations
for
historical
period
five
emission
scenarios.
The
power
MPI‐GE
goes
beyond
its
predecessor
ensemble
by
providing
high‐frequency
output,
full
range
scenarios
including
highly
policy‐relevant
low
SSP1‐1.9
SSP1‐2.6,
opportunity
compare
complementary
high‐resolution
simulations.
First,
describe
CMIP6,
evaluate
it
observations
reanalyzes
MPI‐GE.
Then,
demonstrate
six
application
examples
how
use
better
understand
future
extremes,
inform
about
uncertainty
in
approaching
Paris
Agreement
warming
limits,
combine
artificial
intelligence.
For
instance,
allows
us
show
that
recently
observed
Siberian
Pacific
North
American
heatwaves
would
only
avoid
reaching
1–2
years
return
periods
2071–2100
scenarios,
European
precipitation
extremes
captured
simulations,
3‐hourly
output
projects
a
decreasing
activity
storms
mid‐latitude
oceans.
Further,
is
ideal
estimates
probabilities
crossing
limits
irreducible
introduced
sufficiently
be
used
infilling
surface
temperature