The Holocene,
Journal Year:
2024,
Volume and Issue:
34(9), P. 1242 - 1251
Published: June 13, 2024
Tufa
deposits
have
significant
potential
for
reconstructing
past
lake-level
fluctuations.
Here,
we
conducted
U-Th
dating
of
tufa
exposed
along
the
shoreline
Longmu
Co
Lake
in
northwestern
Tibetan
Plateau
to
reconstruct
its
water
level
history
during
middle-late
Holocene.
Our
data
demonstrate
that
reached
highest
(61
m
above
present
level)
at
around
7.4
ka
response
strengthened
Indian
Summer
Monsoon
and
increased
glacial
meltwater;
lake
subsequently
decreased
due
solar
insolation-induced
decline
summer
monsoon
meltwater.
Moreover,
find
experienced
an
abrupt
~2.2
with
a
maximum
amplitude
13
m,
probably
owing
rapid
cooling
local
climate.
The
δ
18
O
C
also
show
covariance
trend,
which
supports
regional
climate
change
reflected
by
fluctuation
Co.
Additionally,
observed
inverse
correlation
between
initial
234
U
content
variation,
suggesting
calcium
can
serve
as
proxy
environmental
changes.
study
therefore
implies
reliable
archive
accurately
Earth system science data,
Journal Year:
2024,
Volume and Issue:
16(3), P. 1543 - 1557
Published: March 21, 2024
Abstract.
Stable
isotopes
in
precipitation
can
effectively
reveal
the
process
of
atmospheric
water
circulation,
serving
as
an
effective
tool
for
hydrological
and
resource
research,
climate
change,
ecosystem
studies.
The
scarcity
stable
isotope
data
has
hindered
comprehension
regional
hydrology,
climate,
ecology
due
to
discontinuities
on
a
temporal
scale
unevenness
spatial
scale.
To
this
end,
we
collated
hydrogen
oxygen
from
842
stations
Eurasia
1961
2022,
totalling
51
752
records.
across
various
regions
Eurasia,
whole,
decrease
with
increasing
latitude
distance
coast.
In
summer,
are
relatively
enriched,
while
winter,
they
depleted.
recent
decades,
values
Eurasian
show
overall
trend
variation
advancement
years,
which
is
associated
global
warming.
Geographical
location,
underlying
surface
conditions,
seasons,
circulation
all
factors
that
determine
characteristics
precipitation.
dataset
provides
powerful
understanding
changes
assists
conducting
hydrological,
meteorological,
ecological
studies
related
regions.
datasets
available
at
https://doi.org/10.17632/rbn35yrbd2.2
(Zhu,
2024).
