Water,
Journal Year:
2023,
Volume and Issue:
15(19), P. 3353 - 3353
Published: Sept. 25, 2023
The
diurnal
variation
in
precipitation
and
its
evolution
are
important
foundations
for
understanding
the
regional
impact
of
climate
change
parameterization
model.
Based
on
daily
data
set
23
national
meteorological
stations
during
1970–2019,
spatial
temporal
distribution
characteristics
concentration
degree
(PCD)
period
(PCP)
Gansu
province
were
evaluated
daytime
nocturnal
scales.
results
show
following:
(1)
Annual
ranges
from
69.1
±
24.7
mm
to
578.3
96.6
mm,
mainly
(54.1
2.6%)
occurring
at
night,
rate
is
positively
(r
=
0.53,
p
<
0.01)
correlated
with
annual
precipitation;
wetting
trend
(12.7
mm/10
a,
past
50
years
obvious,
dominated
by
frequency
0.58,
0.001),
both
performing
better
day.
(2)
Most
PCD
located
between
0.55
0.75,
showing
a
basic
pattern
greater
than
nocturnal,
higher
values,
stronger
interannual
fluctuations
arid
areas;
significant
decreasing
(p
0.05)
very
clear
highly
consistent,
especially
high-altitude
area,
increase
dry
season
improvement
uniformity
wet
play
key
role.
(3)
PCP
often
fluctuates
slightly
around
39th–41st
pentad,
but
general
rule
that
values
smaller
night
variability
larger
areas
also
requires
special
attention;
has
shown
relatively
obvious
advance
few
regions,
this
because
prominent
complex
changes
monthly
have
not
been
fully
reflected.
Along
continuous
humidification,
decrease
likely
be
priority
direction
region
Northwest
China,
These
findings
provide
new
perspective
change.
Journal of Hydrology Regional Studies,
Journal Year:
2024,
Volume and Issue:
53, P. 101802 - 101802
Published: May 7, 2024
Three
headwater
basins
of
the
Tarim
River
This
study
built
upon
existing
knowledge
by
incorporating
threshold
melting
temperatures
into
Spatial
Processes
in
Hydrology
(SPHY)
model
and
decomposing
streamflow
changes
individual
runoff
components.
Additional
glacier
retreat
rate
data
were
used
to
calibrate
improved
SPHY,
which
provides
better
constrained
estimates
response
climate
change.
We
employed
bias-corrected
simulations
from
Coupled
Model
Intercomparison
Project
Phase
6
(CMIP6)
models
drive
SPHY
under
four
future
scenarios
(SSP1–2.6,
SSP2–4.5,
SSP3–7.0,
SSP5–8.5).
Modeling
results
show
accelerated
melt
future,
with
volume
at
end
this
century
projected
be
less
than
20%
current
level
SSP5–8.5.
Furthermore,
is
expected
decrease,
most
notably
Karakash
basin
SSP1–2.6
scenario.
The
reduction
streamflow,
mainly
during
summer
months,
decreased
runoff,
cannot
offset
increased
rainfall
runoff.
Additionally,
implementation
change
mitigation
measures
could
delay
loss,
but
dominant
component
would
still
shift
rainfall.
Global
warming
accelerates
hydrological
cycle,
altering
temporal
spatial
patterns
especially
cold
regions,
such
as
Basin.
Understanding
important
for
economic
development
ecological
protection
region,
will
help
manage
risk
water
shortages
plan
engineering
works
mitigate
shortage
crises.
therefore
state-of-the-art
simulation
project
over
three
Upper
River.
found
that
all
scenarios,
decrease
these
basins.
due
mitigated
anticipated
increases
future.
npj Clean Water,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: April 11, 2024
Abstract
Effective
watershed
management
hinges
on
understanding
water
sources
and
pollution
origins.
In
the
Hangbu
Watershed
of
Chaohu
Lake,
China,
we
analyze
source
patterns
propose
an
adaptive
strategy.
This
strategy
is
defined
as
a
flexible
dynamic
approach
that
adjusts
practices
policies
in
response
to
evolving
environmental
conditions
emerging
data
sources.
The
analysis
includes
examining
trends,
periodicity,
mutagenicity
results
demonstrated
substantial
variations
sources,
with
nitrogen
phosphorus.
enables
prioritizing
crucial
farmland
identified
significant
contributor
under
varying
conditions.
Specific
growth
trends
control
robustness
have
been
recognized
vital
contributors,
even
though
their
contributions
phosphorus
flux
at
outlets
may
not
be
most
prominent.
this
study
could
guide
sustainable
watersheds.
Water,
Journal Year:
2025,
Volume and Issue:
17(5), P. 721 - 721
Published: March 1, 2025
In
arid
regions,
water
scarcity
necessitates
reliance
on
surface
runoff
as
a
vital
source.
Studying
the
impact
of
climate
change
can
provide
scientific
basis
for
optimizing
use
and
ensuring
security.
This
study
investigated
patterns
in
upper-middle
Amu
Darya
River
(UADR)
from
1960
to
2015.
Special
emphasis
was
placed
effects
climatic
factors
role
major
atmospheric
circulation
indices,
such
Eurasian
Zonal
Circulation
Index
(EZI),
Niño
3.4,
Indian
Ocean
Dipole
(IOD).
The
results
show
significant
linear
decreasing
annual
trend
at
rate
2.5
×
108
m3/year,
with
an
abrupt
1972.
Runoff
exhibited
periodic
characteristics
8–16
32–64
months.
At
8–16-month
scale,
primarily
influenced
by
precipitation
(PRE),
actual
evapotranspiration
(AET),
snow
equivalent
(SWE),
and,
32–64-month
3.4
guided
changes
runoff.
addition,
El
interacted
EZI
IOD,
which,
together,
influence
UADR.
highlights
importance
considering
multiple
their
interactions
when
predicting
variations
developing
resource
management
strategies
UADR
Basin.
analysis
nonlinear
dynamics
conjunction
multiscale
provides
theoretical
water,
land,
ecosystems
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 18, 2023
Abstract
Source
information
and
the
related
influencing
variables
are
crucial
for
watershed
management.
However,
identifying
long-term
changes
in
pollution
sources
distinct
patterns
remains
challenging.
Here
we
explore
changing
of
Hangbu
Watershed
Chaohu
Lake,
China,
propose
an
adaptive
strategy.
The
results
demonstrate
significant
variations
over
36-year
study
period,
with
nitrogen
phosphorus
increasing
by
1.2
times
2.2
times,
respectively.
Compared
to
traditional
method
based
on
a
specific
year,
solutions
accounted
87.83%
57.68%
contribution.
Trends,
periodicity,
mutagenicity
were
quantified,
which
influenced
rainfall,
urbanization,
agriculture
development.
Specifically,
farmland
acts
as
vital
source
that
exports
90.93%
58.01%
under
different
conditions.
Specific
growth
trends
control
robustness
have
been
recognized
contributors,
even
though
their
contributions
watershed's
outlets
may
not
be
most
prominent.
this
enhance
sustainable
management
watersheds.
