Geophysical Research Letters,
Journal Year:
2021,
Volume and Issue:
48(6)
Published: March 9, 2021
Abstract
Concepts
like
the
100‐year
flood
event
can
be
misleading
if
they
are
not
updated
to
reflect
significant
changes
over
time.
Here,
we
model
observed
annual
maximum
daily
streamflow
using
a
nonstationary
approach
provide
first
global
picture
of
in:
(a)
magnitudes
20‐,
50‐,
and
floods
(i.e.,
flows
given
exceedance
probability
in
each
year
);
(b)
return
periods
floods,
as
assessed
1970
fixed
magnitude
(c)
corresponding
probabilities.
Empirically,
find
20‐/50‐year
have
mostly
increased
temperate
climate
zones,
but
decreased
arid,
tropical,
polar,
cold
zones.
In
contrast,
arid/temperate
zones
exhibit
mixed
trends
results
influenced
by
small
number
stations
with
long
records,
highlight
need
for
continued
updating
hazard
assessments.
Scientific Reports,
Journal Year:
2020,
Volume and Issue:
10(1)
Published: Aug. 13, 2020
Abstract
The
hydrological
cycle
is
expected
to
intensify
with
global
warming,
which
likely
increases
the
intensity
of
extreme
precipitation
events
and
risk
flooding.
changes,
however,
often
differ
from
theorized
expectation
in
water‐holding
capacity
atmosphere
warmer
conditions,
especially
when
water
availability
limited.
Here,
relationships
changes
flood
intensities
for
end
twenty-first
century
spatial
seasonal
are
quantified.
Results
show
an
intensification
over
all
climate
regions
as
dry
wet
regions.
Similarly,
there
increase
availability.
connection
between
becomes
stronger
become
less
extreme.
Annual Review of Earth and Planetary Sciences,
Journal Year:
2020,
Volume and Issue:
48(1), P. 519 - 548
Published: Feb. 20, 2020
Climate
extremes
threaten
human
health,
economic
stability,
and
the
well-being
of
natural
built
environments
(e.g.,
2003
European
heat
wave).
As
world
continues
to
warm,
climate
hazards
are
expected
increase
in
frequency
intensity.
The
impacts
extreme
events
will
also
be
more
severe
due
increased
exposure
(growing
population
development)
vulnerability
(aging
infrastructure)
settlements.
models
attribute
part
projected
increases
intensity
disasters
anthropogenic
emissions
changes
land
use
cover.
Here,
we
review
impacts,
historical
changes,and
theoretical
research
gaps
key
(heat
waves,
droughts,
wildfires,
precipitation,
flooding).
We
highlight
need
improve
our
understanding
dependence
between
individual
interrelated
because
anthropogenic-induced
warming
risk
not
only
but
compound
(co-occurring)
cascading
hazards.
▪
a
world.
Anthropogenic-induced
causes
drivers
Water Resources Research,
Journal Year:
2019,
Volume and Issue:
55(6), P. 4901 - 4914
Published: May 9, 2019
Abstract
Global
warming
is
expected
to
change
the
regime
of
extreme
precipitation.
Physical
laws
translate
increasing
atmospheric
heat
into
water
content
that
drives
precipitation
changes.
Within
literature,
general
agreement
changing,
yet
different
assessment
methods,
data
sets,
and
study
periods
may
result
in
patterns
rates
change.
Here
we
perform
a
global
analysis
8,730
daily
records
focusing
on
1964–2013
period
when
accelerates.
We
introduce
novel
N
largest
extremes
having
complete
years
within
period.
Based
these
extremes,
which
represent
more
accurately
heavy
than
annual
maxima,
form
time
series
their
frequency
mean
magnitude.
The
offers
new
insights
reveals
(1)
zonal
trends
are
highly
unlikely
under
assumption
stationarity
(2)
magnitude
changes
not
as
evident.
Frequency
reveal
coherent
spatial
pattern
with
being
detected
large
parts
Eurasia,
North
Australia,
Midwestern
United
States.
Globally,
over
last
decade
studied
find
7%
events
number.
Finally,
report
correlated
frequency.
Environmental Research Climate,
Journal Year:
2022,
Volume and Issue:
1(1), P. 012001 - 012001
Published: June 28, 2022
Abstract
Extreme
event
attribution
aims
to
elucidate
the
link
between
global
climate
change,
extreme
weather
events,
and
harms
experienced
on
ground
by
people,
property,
nature.
It
therefore
allows
disentangling
of
different
drivers
from
human-induced
change
hence
provides
valuable
information
adapt
assess
loss
damage.
However,
providing
such
assessments
systematically
is
currently
out
reach.
This
due
limitations
in
science,
including
capacity
for
studying
types
as
well
geographical
heterogeneity
both
impact
data
availability.
Here,
we
review
current
knowledge
influences
five
hazards
(extreme
temperatures,
heavy
rainfall,
drought,
wildfire,
tropical
cyclones),
impacts
recent
events
each
type,
thus
degree
which
various
are
attributable
change.
For
instance,
heat
extremes
have
increased
likelihood
intensity
worldwide
with
tens
thousands
deaths
directly
attributable.
likely
a
significant
underestimate
limited
availability
lower-
middle-income
countries.
Meanwhile,
cyclone
rainfall
storm
surge
height
individual
across
all
basins.
In
North
Atlantic
basin,
amplified
that,
combined,
caused
half
trillion
USD
damages.
At
same
time,
severe
droughts
many
parts
world
not
To
advance
our
understanding
present-day
developments
several
levels
required.
These
include
improving
recording
around
world,
coverage
studies
regions,
using
explore
contributions
non-climate
impacts.
Water Resources Research,
Journal Year:
2019,
Volume and Issue:
55(6), P. 4582 - 4593
Published: May 14, 2019
Abstract
Inferring
the
mechanisms
causing
river
flooding
is
key
to
understanding
past,
present,
and
future
flood
risk.
However,
a
quantitative
spatially
distributed
overview
of
that
drive
across
Europe
currently
unavailable.
In
addition,
studies
classify
catchments
according
their
flood‐driving
often
identify
single
mechanism
per
location,
although
multiple
typically
contribute
We
introduce
new
method
uses
seasonality
statistics
estimate
relative
importance
extreme
precipitation,
soil
moisture
excess,
snowmelt
as
drivers.
Applying
this
European
data
set
maximum
annual
flow
dates
in
several
thousand
reveals
from
1960
2010
relatively
few
floods
were
caused
by
rainfall
peaks.
Instead,
most
concurrence
heavy
precipitation
with
high
antecedent
moisture.
For
catchments,
these
has
not
substantially
changed
during
past
five
decades.
Exposing
regional
underlying
Europe's
costly
natural
hazard
first
step
identifying
processes
require
attention
research.
