Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(19), P. 9123 - 9123
Published: Oct. 9, 2024
Various
hydrogeological
problems
like
groundwater
inflow,
water
table
drawdown,
and
pressure
redistribution
may
be
encountered
in
the
construction
of
hydraulic
projects.
How
to
accurately
predict
occurrence
inflow
assess
drainage
effect
during
are
still
challenging
for
engineering
designers.
Taking
Jinzhai
pumped
storage
power
station
(JPSPS)
China
as
an
example,
this
paper
aims
use
different
methods
calculate
rates
underground
powerhouse
evaluate
caused
by
tunnel
construction.
The
consist
analytical
formulas,
site
rating
(SGR)
method,
Signorini
type
variational
inequality
formulation.
results
show
that
considering
stable
overestimate
caverns
drained
conditions,
whereas
SGR
method
with
available
hydro-geological
parameters
obtains
a
qualitative
hazard
assessment
preliminary
phase.
numerical
solutions
provide
more
precise
reliable
values
complex
geological
structures
seepage
control
measures.
Moreover,
effects,
including
seepage-free
surface,
pore
redistribution,
gradient,
have
been
evaluated
using
various
synthetic
cases.
Specifically,
faults
intersecting
on
significantly
change
flow
regime
around
caverns.
This
comparative
study
can
not
only
exactly
identify
capabilities
cavern
but
also
comprehensively
Water,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3389 - 3389
Published: Nov. 25, 2024
Climate
change
is
projected
to
bring
substantial
changes
hydroclimatic
extremes,
which
will
affect
natural
river
regimes
and
have
wide-ranging
impacts
on
human
health
ecosystems,
particularly
in
Central
Highland
Vietnam.
This
study
focuses
understanding
quantifying
the
of
climate
streamflow
Kon-Ha
Thanh
River
basin,
using
Soil
Water
Assessment
Tool
(SWAT)
between
2016
2099.
The
examined
across
three
time
periods
(2016–2035,
2046–2065,
2080–2029)
under
two
scenarios,
Representative
Conversion
Pathways
(RCPs)
4.5
8.5.
model
was
developed
validated
a
daily
scale
with
performance,
yielding
good
performance
scores,
including
Coefficient
Determination
(R2),
Nash-Sutcliffe
Efficiency
(NSE),
Root
Mean
Squared
Error
(RMSE)
values
0.79,
0.77,
50.96
m3/s,
respectively.
Our
findings
are
(1)
during
wet
season
increase
by
up
150%,
December,
RCP
8.5;
(2)
dry
flows
expected
decrease
over
10%,
beginning
May,
heightening
risk
water
shortages
critical
agricultural
periods;
(3)
shifts
timing
flood
seasons
found
toward
2099
that
require
adaptive
measures
for
resource
management.
These
provide
scientific
foundation
incorporating
into
regional
management
strategies
enhancing
resilience
local
communities
future
challenges.
Hydrological Processes,
Journal Year:
2024,
Volume and Issue:
38(10)
Published: Oct. 1, 2024
The
data
that
support
the
findings
of
this
study
are
available
on
request
from
corresponding
author.
not
publicly
due
to
privacy
or
ethical
restrictions.
Video
S1.
Hydrologic
assessments
using
Gridded
Precipitation
Products.
Please
note:
publisher
is
responsible
for
content
functionality
any
supporting
information
supplied
by
authors.
Any
queries
(other
than
missing
content)
should
be
directed
author
article.
Hydrology,
Journal Year:
2025,
Volume and Issue:
12(2), P. 32 - 32
Published: Feb. 13, 2025
The
lakes
known
as
El
Sol
and
La
Luna
are
high
mountain
water
deposits
located
in
Mexico
within
an
inactive
volcanic
system.
These
of
ecological
importance
because
they
unique
Mexico.
However,
currently,
the
have
experienced
changes
their
shape
increase
algae
blooms,
coupled
with
degradation
basin,
which
has
alerted
government
entities
to
need
address
lakes’
problems.
To
environmental
status
Luna,
a
trophic
study
was
conducted
during
period
2021–2023,
including
analysis
influence
climatic
variables,
lake
quality,
eutrophication
conditions.
state
established
based
on
index.
Pearson
correlations
defined
interrelation
between
distinct
factors
influencing
status.
registered
higher
conditions
than
Luna.
identified
seasonal
eutrophic
transitioning
from
oligotrophic
mesotrophic,
showing
levels
chlorophyll,
total
phosphorus,
nitrogen
low
transparency.
principal
altering
were
pollution
variables
(precipitation
ambient
temperature).
Eutrophication
prime
factor
impacting
perimeter
loss
at
Sol,
whereas
it
due
decline
precipitation.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 27, 2025
The
Chi
and
Mun
River
Basins,
the
primary
tributary
of
Mekong
Basin
in
Thailand,
is
undergoing
significant
land
use
changes
that
impact
water
quality.
Understanding
relationship
between
quality
crucial
for
effective
river
basin
management,
providing
insights
applicable
to
global
systems.
While
past
studies
have
examined
Basin,
research
specifically
focusing
on
Chi-Mun
remains
limited.
This
study
analyzes
spatial
temporal
effects
from
2007
2021
using
change
estimation,
11
parameters,
redundancy
analysis
(RDA).
Water
samples
were
collected
January,
March,
May,
August
across
multiple
years.
Seasonal
variations
assessed,
with
dry
season
January
March
wet
May
August.
Key
findings
include:
(1)
pH,
Biochemical
Oxygen
Demand,
Total
Coliform
Bacteria,
Fecal
Phosphorus,
Nitrate
Nitrogen,
Ammonia-Nitrogen,
Suspended
Solids
increased
during
season,
while
(2)
Dissolved
Oxygen,
Electrical
Conductivity,
Quality
Index
higher
season.
(3)
Land
had
a
greater
driven
by
runoff
expanding
urban
agricultural
areas
declining
paddy
forest
cover.
(4)
Forests
aquatic
improved
quality,
expansion
contributed
its
deterioration.
These
underscore
need
sustainable
management
strategies
balance
regional
development
ecological
conservation
Basin.