The 2023 Türkiye-Syria earthquake disaster was exacerbated by an atmospheric river
Communications Earth & Environment,
Год журнала:
2025,
Номер
6(1)
Опубликована: Фев. 26, 2025
Язык: Английский
Runoff contribution of spring snowmelt in the source region of the Yangtze River and its variation characteristics
Journal of Hydrology Regional Studies,
Год журнала:
2025,
Номер
58, С. 102295 - 102295
Опубликована: Март 11, 2025
Язык: Английский
On Risk of Rain on Snow Over High‐Latitude Coastal Areas in North America
Geophysical Research Letters,
Год журнала:
2025,
Номер
52(9)
Опубликована: Апрель 29, 2025
Abstract
Extreme
floods
and
landslides
in
high‐latitude
watersheds
have
been
associated
with
rain‐on‐snow
(ROS)
events.
Yet,
the
risks
of
changing
precipitation
phases
on
a
declining
snowpack
under
warming
climate
remain
unclear.
Normalizing
total
annual
duration
ROS
that
seasonal
snowpack,
ERA5
data
(1941–2023)
show
frequency
high‐runoff
events
is
characteristic
feature
coastal
zones,
particularly
over
coasts
south‐central
Alaska
southern
Newfoundland.
Total
rainfall
accumulation
per
has
increased
across
western
mountain
ranges,
Olympic
Mountains
experiencing
more
than
40
mm
additional
past
eight
decades,
followed
by
Sierra
Nevada.
These
trends
could
drive
an
8%
increase
extremes
(e.g.,
10
for
6
hr
storm
15‐year
return
period),
highlighting
need
resilient
flood
control
systems
cities.
Язык: Английский
Crowdsourced Data Reveal Shortcomings in Precipitation Phase Products for Rain and Snow Partitioning
Geophysical Research Letters,
Год журнала:
2024,
Номер
51(24)
Опубликована: Дек. 23, 2024
Abstract
Reanalysis
products
support
our
understanding
of
how
the
precipitation
phase
influences
hydrology
across
scales.
However,
a
lack
validation
data
hinders
evaluation
reanalysis‐estimated
phase.
In
this
study,
we
used
novel
dataset
from
Mountain
Rain
or
Snow
(MRoS)
citizen
science
project
to
compare
39,680
MRoS
observations
January
2020
July
2023
conterminous
United
States
(CONUS)
assess
three
products.
These
included
Global
Precipitation
Measurement
(GPM)
mission
Integrated
Multi‐satellitE
Retrievals
for
GPM
(IMERG),
Modern‐Era
Retrospective
Analysis
Research
and
Applications
(MERRA‐2),
North
American
Land
Data
Assimilation
System
(NLDAS‐2).
The
overall
critical
success
indices
detecting
rainfall
(snowfall)
IMERG,
MERRA‐2,
NLDAS‐2
were
0.51
(0.79),
0.49
(0.77),
0.54
(0.53),
respectively.
show
that
IMERG
MERRA‐2
reasonably
classify
snowfall,
whereas
overestimates
rainfall.
All
performed
poorly
in
subfreezing
snowfall
above
2°C.
Therefore,
crowdsourced
provides
unique
source
improve
capabilities
reanalysis
Язык: Английский