npj Climate and Atmospheric Science,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: Nov. 20, 2024
The
change
of
groundwater
storage
(GWS)
on
the
Tibetan
Plateau
(TP)
is
vital
for
water
resources
management
and
regional
sustainability,
but
its
estimation
has
large
uncertainty
due
to
insufficient
hydrological
measurements
diverse
future
climate
scenarios.
Here,
we
employ
high-resolution
land
surface
modeling,
advanced
satellite
observations,
global
model
data,
deep
learning
estimate
GWS
changes
in
past
future.
We
find
a
3.51
±
2.40
Gt
yr−1
increase
from
2002–2018,
especially
exorheic
basins,
attributed
glacier
melting.
will
persistently
future,
growth
rate
slowing
down
(0.14
2079–2100
under
high
emission
scenario).
Increasing
projected
over
most
endorheic
which
associated
with
increasing
precipitation
decreasing
shortwave
radiation.
In
contrast,
headwaters
Amu
Darya,
Yangtze,
Yellow
river
basins.
These
insights
have
implications
sustainable
resource
changing
climate.
Journal of Hydrology,
Journal Year:
2024,
Volume and Issue:
633, P. 131006 - 131006
Published: March 7, 2024
Multiple-objective
calibration
helps
constrain
the
parameter
uncertainties
and
improve
performances
of
hydrological
models.
Previous
studies
have
indicated
that
toward
soil
moisture
data
could
streamflow
simulation,
but
its
influence
on
runoff
source
apportionment
quantification
still
needs
to
be
analyzed.
Meanwhile,
although
isotope
has
proved
representation
internal
processes,
value
simulation
state
variables
such
as
yet
examined.
This
study
utilized
tracer-aided
model
THREW-T
(Tsinghua
Representative
Elementary
Watershed
–
Tracer-aided
version)
in
two
mountainous
basins
Tibetan
Plateau
(The
Upper
Brahmaputra
Yangtze
basins)
evaluate
calibration.
The
result
shows
that:
(1)
produced
good
streamflow,
snow
cover
area,
moisture,
stream
water
simultaneously
areas.
Calibration
caused
slight
(∼0.03)
statistically
significant
(p
<
0.01)
decrease
Nash-Sutcliffe
coefficient
compared
baseline
variant
only
streamflow.
(2)
brought
no
improvement
for
validation
period
stations
both
basins,
improving
simulation.
However,
improved
simulations
moisture's
spatiotemporal
variation.
(3)
Different
variants
resulted
different
estimations
apportionment,
independent
evidence
results
obtained
by
were
most
reasonable.
Calibrations
underestimated
overestimated
contributions
from
subsurface
runoff,
respectively.
Isotope
was
sensitive
objective
significantly
reduced
uncertainty.
Our
found
a
lower
than
we
believe
full
potential
not
due
current
limitations
measurement
methods,
development
relevant
technologies
will
make
more
valuable
Journal of Hydrology,
Journal Year:
2024,
Volume and Issue:
635, P. 131096 - 131096
Published: March 22, 2024
Global
warming
is
expected
to
cause
changes
in
terrestrial
water
storage
(TWS)
across
the
land
surface,
with
widespread
impacts
on
ecosystems
and
society.
Although
extensive
research
has
been
performed
analyze
TWS
possible
drivers
during
post-2000
period,
longer-term
evolution
of
associated
environmental
forcings
remain
relatively
unexplored.
In
this
study,
we
evaluated
performance
Energy
Exascale
Earth
System
model
(E3SM)
ELM
version
1
(ELM
v1)
simulating
global
TWS,
used
factorial
simulations
ELMv1
quantify
their
1948–2012.
We
found
that
ELM's
agreed
best
existing
satellites
reconstruction
datasets
temperate
regions
unaffected
by
irrigation.
Biome-
climate
zone-averaged
mainly
increased
at
rates
between
0
10
mm/year
over
1948–2012,
but
second
half
period
saw
smaller
positive
trends
than
first
or
even
negative
trends.
Climate
change
explained
>80
%
most
biomes
zones,
followed
use
cover
change.
The
physiological
phenological
effects
CO2
primarily
induced
noticeable
more
humid
zones
different
latitudes.
contrast,
nitrogen
deposition
aerosol
generally
had
regions.
Among
meteorological
analyzed,
long-term
average
imbalance
precipitation
(P),
evapotranspiration
(E),
runoff
(Q)
contributed
>50
nonlinearity
being
spatially
heterogenous
E/P
Q/P
ratios.
accumulated
detrended
anomalies
P,
E,
Q
also
often
substantially,
while
difference
little.
Together,
these
findings
unveiled
an
intensification
its
diverse
patterns
non-withdrawal
human-induced
alterations,
contributing
a
comprehensive
understanding
projection
cycle.
Water Resources Research,
Journal Year:
2023,
Volume and Issue:
59(12)
Published: Dec. 1, 2023
Abstract
The
source
region
of
the
Yangtze
River
(SRYR,
1.4
×
10
5
km
2
above
Zhimenda
station)
on
Tibetan
Plateau
(TP)
has
78%
permafrost
coverage.
streamflow
depth
increased
at
a
rate
2.5
mm/a
since
2000.
Quantification
water
contribution
brought
by
thawing
is
difficult
task.
In
this
study,
we
used
Sentinel‐1
data
and
SBAS‐InSAR
technique
to
monitor
terrain
deformation
from
September
2016
December
2021,
then
utilized
long‐term
assess
ground
ice
meltwater
release
seasonal
evaluate
storage
in
active
layer.
Results
reveal
that
55.3%
SRYR
subsidence
>2.5
mm/a,
indicating
widespread
melting.
4.3
entire
SRYR,
6
Dangqu
Tuotuo
subbasins.
relatively
small
(∼3%)
comparison
151
mm
per
year
during
investigation
period
2017–2021.
We
did
not
detect
strong
increasing
or
decreasing
trend
among
5‐year
deformation,
which
reflects
total
soil
content
layer
change
significantly
short
period.
results
provide
basis
for
richness
loss
information
help
understand
impact
regional
cycle
environment.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(10), P. 1709 - 1709
Published: May 11, 2024
Over
the
past
decades,
cryosphere
has
changed
significantly
in
High
Mountain
Asia
(HMA),
leading
to
multiple
natural
hazards
such
as
rock–ice
avalanches,
glacier
collapse,
debris
flows,
landslides,
and
glacial
lake
outburst
floods
(GLOFs).
Monitoring
change
evaluating
its
hydrological
effects
are
essential
for
studying
climate
change,
cycle,
water
resource
management,
disaster
mitigation
prevention.
However,
knowledge
gaps,
data
uncertainties,
other
substantial
challenges
limit
comprehensive
research
climate–cryosphere–hydrology–hazard
systems.
To
address
this,
we
provide
an
up-to-date,
comprehensive,
multidisciplinary
review
of
remote
sensing
techniques
studies,
demonstrating
primary
methodologies
delineating
glaciers
measuring
geodetic
mass
balance
thickness,
motion
or
ice
velocity,
snow
extent
equivalent,
frozen
ground
soil,
ice,
glacier-related
hazards.
The
principal
results
achievements
summarized,
including
URL
links
available
products
related
platforms.
We
then
describe
main
monitoring
using
satellite-based
datasets.
Among
these
challenges,
most
significant
limitations
accurate
inversion
from
remotely
sensed
attributed
high
uncertainties
inconsistent
estimations
due
rough
terrain,
various
employed,
variability
across
same
regions
(e.g.,
depth
retrieval,
active
layer
thickness
ground),
poor-quality
optical
images
cloudy
weather.
paucity
observations
validations
with
few
long-term,
continuous
datasets
also
limits
utilization
studies
large-scale
models.
Lastly,
potential
breakthroughs
future
i.e.,
(1)
outlining
debris-covered
margins
explicitly
involving
areas
mountain
shadows,
(2)
developing
highly
retrieval
methods
by
establishing
a
microwave
emission
model
snowpack
mountainous
regions,
(3)
advancing
subsurface
complex
freeze–thaw
process
space,
(4)
filling
gaps
on
scattering
mechanisms
varying
surface
features
ice),
(5)
improving
cross-verifying
accuracy
combining
different
physical
models
machine
learning
assimilation
high-temporal-resolution
This
highlights
cryospheric
incorporating
spaceborne
diversified
techniques/methodologies
multi-spectral
thermal
bands,
SAR,
InSAR,
passive
microwave,
altimetry),
providing
valuable
reference
what
scientists
have
achieved
Third
Pole.
Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(11), P. 2744 - 2744
Published: May 25, 2023
The
Gravity
Recovery
and
Climate
Experiment
(GRACE)
satellites
have
been
widely
used
to
estimate
groundwater
storage
(GWS)
changes,
yet
their
uncertainties
related
the
multi-source
datasets
are
rarely
investigated.
This
study
focuses
on
quantifying
of
GRACE
GWS
estimates
in
mainland
China
during
2003–2015,
by
generating
a
total
3456
solutions
from
combinations
multiple
products
auxiliary
datasets.
Bayesian
model
averaging
(BMA)
approach
is
derive
optimal
changes
under
an
uncertainty
framework.
Ten
river
basins
further
identified
analyze
estimated
annual
trends
magnitudes.
On
average,
our
results
show
that
BMA-estimated
trend
−1.93
mm/yr,
whereas
its
reaches
4.50
mm/yr.
Albeit
vary
across
basins,
we
found
high
tied
large
differences
between
data
soil
moisture
solutions.
These
findings
highlight
importance
paying
more
attention
existence
when
using
changes.
Géotechnique,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 17
Published: Aug. 9, 2024
Long-term
structural
performance
of
ageing
tunnels
is
influenced
by
various
natural
and
anthropogenic
factors.
This
study
examines
the
impacts
two
rarely
investigated
climatic
factors:
rainfall
temperature.
Two
dedicated
case
studies
were
conducted
on
European
Organisation
for
Nuclear
Research
(CERN)
TT10
tunnel
Dublin
port
(DPT)
using
distributed
fibre
optic
strain
sensing
(DFOS)
wireless
sensor
network
(WSN)
monitoring,
respectively.
DFOS
data
showed
an
increasing
deformation
in
tunnel,
attributed
to
deteriorations
ground
deformation,
with
seasonal
variation
lining
strains
linked
rainfall-related
change
pore
water
pressure.
However,
inconsistencies
rainfall–strain
correlation
also
noted
due
geological
complexities
varying
pressure
sources.
In
contrast,
WSN
measurements
that
DPT
correlated
temperature,
instead
precipitation.
increased
warmer
seasons
decreased
colder
ones,
absence
external
disturbances,
comprising
reversible
thermal
irreversible
deterioration-induced
deformation.
Over
time,
cyclic
periodic
temperature
changes
caused
elastic
reverse,
while
plastic
accumulated,
leading
ongoing
These
findings
bring
more
insights
into
resilience
critical
underground
infrastructure
vulnerable
climate
change,
groundwater
variations
other
environmental
