Journal of Geophysical Research Atmospheres,
Journal Year:
2025,
Volume and Issue:
130(1)
Published: Jan. 2, 2025
Abstract
Snowmelt
and
related
extreme
events
can
have
profound
natural
societal
impacts.
However,
the
studies
on
projected
changes
in
snow‐related
extremes
across
Tianshan
Mountains
(TS)
Pamir
regions
been
underexplored.
Utilizing
regional
climate
model
downscaling
bias‐corrected
CMIP6
data,
this
study
examined
snowmelt
water
available
for
runoff
(SM
ROS
,
rainfall
plus
snowmelt)
during
cold
seasons
these
historical
(1994–2014)
future
(2040–2060)
periods
under
shared
socioeconomic
pathway
(SSP)
scenarios
(SSP245
SSP585).
The
results
demonstrated
that
accumulated
was
to
rise
by
17.98%
20.36%,
whereas
SM
could
increase
26.97%
28.95%,
respectively,
SSP245
SSP585
scenarios.
Despite
relatively
minimal
snowmelt,
magnitude
of
daily
maximum
(10‐year
return
level)
28.04
mm
expected
15.32%
15.31%
scenarios,
especially
western
TS
exceeding
26%.
Meanwhile,
areas
with
a
50
over
13.5%.
A
notable
its
area
occupation
high
intensity
highlighted
an
increased
risk
rainfall‐driven
events.
absolute
snowfall
frequent
snow‐rain
phase
transitions
season
warming
(SSP245:
2.19°C
SSP585:
2.22°C)
benefits
high‐intensity
rain‐on‐snow
events,
leading
augmentation.
findings
emphasize
significant
role
rainfall‐trigger
exacerbating
climate.
Water,
Journal Year:
2024,
Volume and Issue:
16(19), P. 2870 - 2870
Published: Oct. 9, 2024
Climate
change
affects
the
water
cycle,
resource
management,
and
sustainable
socio-economic
development.
In
order
to
accurately
predict
climate
in
Weifang
City,
China,
this
study
utilizes
multiple
data-driven
deep
learning
models.
The
data
for
73
years
include
monthly
average
air
temperature
(MAAT),
minimum
(MAMINAT),
maximum
(MAMAXAT),
total
precipitation
(MP).
different
models
artificial
neural
network
(ANN),
recurrent
NN
(RNN),
gate
unit
(GRU),
long
short-term
memory
(LSTM),
convolutional
(CNN),
hybrid
CNN-GRU,
CNN-LSTM,
CNN-LSTM-GRU.
CNN-LSTM-GRU
MAAT
prediction
is
best-performing
model
compared
other
with
highest
correlation
coefficient
(R
=
0.9879)
lowest
root
mean
square
error
(RMSE
1.5347)
absolute
(MAE
1.1830).
These
results
indicate
that
method
a
suitable
model.
This
can
also
be
used
surface
modeling.
will
help
flood
control
management.
Snow
leopards
(Panthera
uncia)
are
regarded
as
the
most
charismatic
apex
predator
in
alpine
Asia,
yet
their
populations
under
serious
threat
from
human
activities
and
habitat
fragmentation.
Ensuring
effectiveness
of
current
protected
areas
is
critical
for
conservation,
which
necessitates
a
comprehensive
understanding
selection
patterns
at
different
spatial
scales.
Here,
we
conducted
five-year
camera
trap
survey
snow
Qilian
Mountains
used
multi-scale
modelling
to
investigate
connectivity.
Our
results
revealed
scale-dependence
leopard
selection.
We
found
that
smaller
scales,
prey
resource
topographic
variables
were
main
factors
determining
leopards.
Particularly,
distribution
probability
primarily
determined
overall
small
scale.
At
larger
however,
there
was
stronger
correlation
between
climate
well
impacts.
The
scale-optimized
multivariate
models
indicated
significant
gaps
protecting
core
habitats
ensuring
landscape
More
than
50%
projected
patches
not
included
areas.
Areas
with
highest
number
(Subei
County)
corridors
(Tianjun
also
had
least
half
area
outside
study
provides
insights
conservation
planning
suggests
prioritizing
previously
overlooked
essential
corridors.
The Innovation Geoscience,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100113 - 100113
Published: Jan. 1, 2025
<p>The
spatiotemporal
patterns
and
driving
factors
of
drought-flood
abrupt
alternations
(DFAA)
have
been
investigated
across
several
regional
watershed
scales;
however,
comprehensive
examination
at
the
global
scale
is
lacking.
Here,
we
employed
long
period
change
index
(LDFAI),
derived
from
an
ensemble
40
output
datasets
eight
Coupled
Model
Intercomparison
Project
phase
6
(CMIP6)
models,
to
assess
patterns,
drivers,
future
projections
DFAA.
The
results
indicate
that
DFAA
are
influenced
by
various
anthropogenic
forcings,
greenhouse
gas
emissions
exert
most
significant
impact.
changes
in
intensity
(1950–2014),
attributed
natural
forcing
(NAT),
aerosols
(AER),
(GHG)
forcing,
accounted
for
5.65%,
14.57%,
33.55%,
respectively.
rates
under
shared
socioeconomic
pathways
(SSPs)
2014
<styled-content
style-type="number">2100</styled-content>
were
estimated
be
21.73%
(SSP1-2.6),
45.37%
(SSP2-4.5),
63.1%
(SSP3-7.0),
69.51%
(SSP5-8.5).
This
means
high
radiative
rivalry
fossil-fuel
development
models
will
lead
a
increase
These
findings
can
aid
adaptive
policies
related
DFAA.</p>