Water Resources Research,
Journal Year:
2024,
Volume and Issue:
60(9)
Published: Aug. 31, 2024
Abstract
With
intensified
global
warming,
accurate
quantification
of
hydrological
processes
in
seasonally
frozen
regions,
particularly
with
irrigated
overwinter
crops,
is
necessary
to
develop
management
strategies
that
promote
groundwater
conservation.
By
incorporating
a
physically
based
freeze‐thaw
cycle
module
into
the
Soil
and
Water
Assessment
Tool
(SWAT‐FT)
model,
variations
surface
hydrology
dynamics
were
systematically
assessed
North
China
Plain
under
three
Shared
Socioeconomic
Pathways
during
2041–2070
2071–2100
periods
between
conventional
improved
SWAT
models.
Compared
SWAT‐FT
model
predicted
an
increase
soil
water
content,
decrease
irrigation,
percolation
growing
season
winter
wheat.
These
discrepancies
resulted
5%
higher
decline
rates
shallow
levels
simulated
by
compared
SWAT‐FT.
Additionally,
projected
average
approximately
0.90
±
0.16
m
yr
−1
(SSP1‐2.6),
0.60
0.46
(SSP2‐4.5),
−0.17
0.53
(SSP5‐8.5),
respectively,
historical
period.
The
simulations
indicated
either
slowly
or
potentially
end
21st
century
SSP5‐8.5
scenario,
achieving
equilibrium
extraction
replenishment.
Our
study
emphasized
importance
considering
evaluate
more
accurately
response
climate
change
effects
temperate
regions
crop.
Archives of Computational Methods in Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 29, 2024
Abstract
Numerous
studies
have
investigated
the
coupled
multi-field
processes
in
frozen
soils,
focusing
on
variation
soils
and
addressing
influences
of
climate
change,
hydrological
processes,
ecosystems
cold
regions.
The
investigation
multi-physics
field
has
emerged
as
a
prominent
research
area,
leading
to
significant
advancements
coupling
models
simulation
solvers.
However,
substantial
differences
remain
among
various
due
insufficient
observations
in-depth
understanding
processes.
Therefore,
this
study
comprehensively
reviews
latest
process
numerical
methods,
including
thermo-hydraulic
(TH)
coupling,
thermo-mechanical
(TM)
hydro-mechanical
(HM)
thermo–hydro-mechanical
(THM)
thermo–hydro-chemical
(THC)
thermo–hydro-mechanical–chemical
(THMC)
coupling.
Furthermore,
primary
methods
are
summarised,
continuum
mechanics
method,
discrete
or
discontinuous
simulators
specifically
designed
for
heat
mass
transfer
modelling.
Finally,
outlines
critical
findings
proposes
future
directions
multi-physical
modelling
soils.
This
provides
theoretical
basis
mechanism
analyses
practical
engineering
applications,
contributing
advancement
management
Water,
Journal Year:
2023,
Volume and Issue:
15(14), P. 2587 - 2587
Published: July 16, 2023
Research
on
the
variation
in
soil
water,
heat,
and
salt
unsaturated
zones
during
freeze–thaw
process
has
great
significance
efficiently
utilizing
water
resources
preventing
salinization.
The
field
experiment
was
carried
out
with
lysimeter
as
test
equipment
to
analyze
characteristics
of
process,
profile
content,
main
ion
content
three
textured
soils
groundwater
table
depth
0.5
m.
results
showed
that
temperature
gradient
freezing
were
greater
average
particle
size
increased.
increment
at
0
30
cm
sandy
loam
loamy
sand
decreased
by
40.20~93.10%
28.14~65.52%
compared
soil,
increased
period.
Ca2+,
Na+,
Cl−,
SO42−
4.37~45.50%
22.60~70.42%
end
period,
correlation
between
increase
size.
research
can
provide
a
theoretical
basis
for
salinization
prevention
crop
production
shallow
areas.
