Frontiers in Environmental Science,
Journal Year:
2022,
Volume and Issue:
10
Published: June 27, 2022
The
fifth-generation
atmospheric
reanalysis
of
the
European
Center
for
Medium-Range
Weather
Forecasts
(ERA5)
is
latest
product.
However,
reliability
ERA5
to
capture
extreme
temperatures
still
unclear
over
China.
Hence,
based
on
conventional
meteorological
station
data,
a
new
criterion
(DISO)
was
used
validate
capturing
temperature
indices
derived
from
Expert
Team
Climate
Change
Detection
and
Indices
(ETCCDI)
across
six
subregions
China
different
timescales.
conclusions
are
as
follows:
original
daily
(mean
temperature,
maximum
minimum
temperature)
can
be
well
reproduced
by
tends
exhibit
more
misdetection
duration
events
than
intensity
frequency.
In
addition,
performed
best
in
summer
worst
winter,
respectively.
trend
absolute
(e.g.,
TXx
TNx),
percentile-based
TX90p,
TX10p,
TN90p,
TN10p),
WSDI,
CSDI,
GSL)
captured
ERA5,
but
failed
tendency
diurnal
range
(DTR)
Spatially,
performs
southeastern
it
remains
challenging
accurately
recreate
Tibetan
Plateau.
elevation
difference
between
grid
point
contributes
main
bias
temperatures.
accuracy
decreases
with
increase
discrepancy.
International Journal of Climatology,
Journal Year:
2021,
Volume and Issue:
42(2), P. 1267 - 1282
Published: July 20, 2021
Abstract
Changes
in
dryland
temperature
and
precipitation
are
essential
components
of
climate
change.
This
study
applies
the
use
monthly
reanalysis
data
product
ERA5,
which
has
a
spatial
resolution
0.25°,
to
investigate
changes
between
1979
2018.
The
result
revealed
warming
drying
drylands
recent
decades,
most
notably
current
decade.
general
global
increased
decreased
significantly
(0.01
significance
level)
at
rate
0.032°C·year
−1
0.074
mm·month
·year
,
respectively,
last
40
years.
Although
generally
over
drylands,
summer
southern
Africa
Australia
as
well
northern
south
Asia
areas.
Variation
zones
different
periods
was
also
observed.
semiarid
dry
subhumid
warmed
continually
from
first
decade
(0.02°C·year
0.017°C·year
)
fourth
(0.077°C·year
0.065°C·year
respectively),
while
hyperarid
slower
two
decades
compared
prior
decades.
More
intense
observed
areas
where
decreased,
suggesting
effect
reduced
evaporative
cooling.
These
have
implications
on
environment,
such
aridity
changes,
could
affect
sustainable
development
through
corresponding
impact
ecosystem.
Weather and Climate Extremes,
Journal Year:
2022,
Volume and Issue:
39, P. 100536 - 100536
Published: Dec. 6, 2022
Atmospheric
moisture
transport
is
the
primary
component
of
atmospheric
branch
water
cycle,
and
its
anomalies
strongly
influence
drought
precipitation
extremes.
We
utilised
full
geographical
temporal
spectrum
ERA-5
reanalysis
data
extreme
value
theory
to
identify
regions
where
transport,
quantified
as
local
integrated
vertical
(IVT),
influences
daily
precipitation,
this
has
a
relevant
dynamic
component,
which
may
alter
dependency
between
IVT
temperatures
increase
with
climate
change.
showed
that
weak
or
negligible
in
tropical
strong
but
nonuniform
extratropical
regions.
Its
much
greater
areas
main
mechanisms
occur,
namely,
rivers,
low-level
jets,
cyclones.
The
IVT,
linked
wind,
highly
consequential
landfalling
cyclones,
moisture-transporting
jets.
Geophysical Research Letters,
Journal Year:
2022,
Volume and Issue:
49(11)
Published: May 27, 2022
Abstract
Climate
variation
in
Central
Asia
is
examined
using
changes
of
climate
classification
to
obtain
geographically
specific
information
the
across
region.
Major
results
show
northward
expansion
desert
by
over
100
km
mid‐latitudes
region
since
1980s.
In
meantime,
all
types
climates
have
increased
temperatures.
mountainous
areas,
previous
cold
replaced
warmer
and
also
wetter
climate.
These
could
largely
resulted
fast
retreat
glaciers
temporary
rise
groundwater
water
levels
lakes
drainage
areas
recent
decades.
Because
different
are
associated
with
flora
fauna,
shifts
locations
elevated
potential
initiate
new
feedbacks
ecological
systems
complicate
its
variation.
Frontiers in Environmental Science,
Journal Year:
2022,
Volume and Issue:
10
Published: June 27, 2022
The
fifth-generation
atmospheric
reanalysis
of
the
European
Center
for
Medium-Range
Weather
Forecasts
(ERA5)
is
latest
product.
However,
reliability
ERA5
to
capture
extreme
temperatures
still
unclear
over
China.
Hence,
based
on
conventional
meteorological
station
data,
a
new
criterion
(DISO)
was
used
validate
capturing
temperature
indices
derived
from
Expert
Team
Climate
Change
Detection
and
Indices
(ETCCDI)
across
six
subregions
China
different
timescales.
conclusions
are
as
follows:
original
daily
(mean
temperature,
maximum
minimum
temperature)
can
be
well
reproduced
by
tends
exhibit
more
misdetection
duration
events
than
intensity
frequency.
In
addition,
performed
best
in
summer
worst
winter,
respectively.
trend
absolute
(e.g.,
TXx
TNx),
percentile-based
TX90p,
TX10p,
TN90p,
TN10p),
WSDI,
CSDI,
GSL)
captured
ERA5,
but
failed
tendency
diurnal
range
(DTR)
Spatially,
performs
southeastern
it
remains
challenging
accurately
recreate
Tibetan
Plateau.
elevation
difference
between
grid
point
contributes
main
bias
temperatures.
accuracy
decreases
with
increase
discrepancy.
