Hydrological Processes,
Journal Year:
2024,
Volume and Issue:
38(9)
Published: Sept. 1, 2024
Abstract
Significant
advancements
in
satellite‐based
precipitation
retrieval
algorithms
have
led
to
the
development
of
continuous,
quasi‐global
products,
offering
unique
opportunities
for
hydrometeorological
and
climate
research.
In
this
context,
six
products
(SPPs),
including
CHIRPS,
CMORPH,
GSMaP,
IMERG,
MSWEP,
PERSIANN,
were
thoroughly
investigated
their
application
hydrological
simulations
over
Wardha
River
basin
India.
The
observed
gridded
product
developed
by
India
Meteorological
Department
(IMD)
has
been
used
as
reference
data
evaluate
performance
SPPs.
Hydrological
variables
such
runoff,
soil
moisture
(SM)
evapotranspiration
(ET)
simulated
using
Variable
Infiltration
Capacity
model.
performances
SPPs
are
critically
assessed
various
statistical
metrics,
Pearson's
correlation
coefficient
(
R
),
Klinga‐Gupta
Efficiency
(KGE),
Percent
Bias
(PBIAS),
root
mean
square
error
(RMSE),
RMSE
standard
deviation
ratio
(RSR).
model‐simulated
discharge
was
compared
with
streamflow
observations
at
a
single
gauging
site,
while
spatially
distributed
comparison
conducted
between
SM
ET
ET.
IMD
dataset
consistently
shows
superior
simulation
both
daily
monthly
scales,
KGE
values
0.85
0.91,
respectively.
Among
SPPs,
MSWEP
CHIRPS
excel
simulating
discharge,
For
simulation,
outperforms
other
achieving
an
overall
value
0.37.
contrast,
PERSIANN
is
most
effective
products.
Hydrology and earth system sciences,
Journal Year:
2025,
Volume and Issue:
29(2), P. 547 - 566
Published: Jan. 29, 2025
Abstract.
Soil
moisture
memory
(SMM),
which
refers
to
how
long
a
perturbation
in
soil
(SM)
can
last,
is
critical
for
understanding
climatic,
hydrological,
and
ecosystem
interactions.
Most
land
surface
models
(LSMs)
tend
overestimate
its
persistency
(or
SMM),
sustaining
spuriously
large
evaporation
during
dry-down
periods.
We
attempt
answer
question:
do
LSMs
miss
or
misrepresent
key
hydrological
processes
controlling
SMM?
use
version
of
Noah-MP
with
advanced
hydrology
that
explicitly
represents
preferential
flow
ponding
provides
optional
schemes
hydraulics.
test
the
effects
these
processes,
are
generally
missed
by
most
SMM.
compare
SMMs
computed
from
various
configurations
against
derived
Moisture
Active
Passive
(SMAP)
L3
situ
measurements
International
Network
(ISMN)
years
2015
2019
over
contiguous
United
States
(CONUS).
The
results
suggest
(1)
hydraulics
plays
dominant
role
Van
Genuchten
hydraulic
scheme
reduces
overestimation
long-term
SMM
produced
Brooks–Corey
scheme,
commonly
used
LSMs;
(2)
representing
enhances
both
layer
root
zone;
(3)
improves
overall
representation
dynamics.
combination
missing
significantly
improve
short-term
underestimation
issues
LSMs.
seasonal-to-subseasonal
climate
prediction
should,
at
least,
adopt
scheme.
Journal of Flood Risk Management,
Journal Year:
2025,
Volume and Issue:
18(2)
Published: April 3, 2025
ABSTRACT
This
study
investigates
the
impacts
of
climate
change
and
land‐use
changes
on
peak
discharge
runoff
behavior
in
western
watersheds
Lake
Urmia,
Iran.
Employing
machine
learning
algorithms
(e.g.,
SVM),
stochastic
models
CA‐MARKOV),
ERA5
reanalysis
data,
large‐scale
hydrological
VIC
model,
we
assessed
these
effects
across
multiple
sub‐basins.
Our
analysis
revealed
that
a
2°C
rise
average
minimum
winter
temperature
over
past
50
years
has
reduced
frost
days
by
nearly
80
days,
diminished
mountain
snow
volume,
shifted
precipitation
from
to
mix
snow,
rain,
snowmelt.
Consequently,
timing
advanced
May
March
April,
amplifying
flood
intensity
frequency,
with
some
sub‐basins
showing
up
30%
higher
flows.
Furthermore,
assessments
indicated
expanding
orchards
irrigated
rain‐fed
agricultural
lands
will
significantly
elevate
future
discharge,
differences
exceeding
10
m
3
/s
like
Nazlochay
Barandozchay,
driven
infiltration
increased
rates.
Modeling
tools
confirmed
synergistically
alter
dynamics,
pattern
consistent
regional
studies.
These
findings
underscore
urgent
need
integrate
factors
into
management
strategies
for
this
flood‐prone
region,
offering
robust
framework
sub‐basin‐scale
planning.
Geoscientific model development,
Journal Year:
2024,
Volume and Issue:
17(15), P. 5803 - 5819
Published: Aug. 2, 2024
Abstract.
Global
urban
expansion
has
altered
surface
aerodynamics
and
hydrothermal
dynamics,
aggravating
environmental
challenges
such
as
heat
dry
islands.
To
identify
responses,
various
physical
models,
including
canyon
models
(UCMs)
land
(LSMs),
have
been
developed
to
represent
processes.
However,
UCMs
often
treat
a
city
unified
entity
overlook
subcity
heterogeneity.
LSMs
are
generally
designed
for
natural
cover
types
lack
the
capability
capture
characteristics.
address
these
limitations,
aim
of
this
study
is
couple
an
module
with
sophisticated
LSM,
i.e.
Variable
Infiltration
Capacity
(VIC)
model.
This
coupled
model,
VIC-urban
characterized
by
its
ability
coordinate
certain
critical
features,
geometry,
radiative
interactions,
human
impacts.
Adopting
Beijing
evaluation
site,
model
shows
higher
performance
than
original
version,
excellent
accuracy
in
simulating
sensible
heat,
latent
runoff,
temperature
(LST).
The
absolute
error
smaller
25
%
12
30
LST
respectively,
which
indicates
that
can
effectively
simulate
hydrological
thermal
fluxes
systems.
Sensitivity
analysis
reveals
roof
emissivity
interception
capacity
exert
greatest
impact
on
evaporation
height-to-width
ratio
influence
canyon.
Our
work
introduces
reliable
option
large-scale
simulations
accounts
environments
among
first
attempts
establish
systematic
modelling
framework
VIC
enables
urbanization-induced
changes
quantification
variations
different
configurations.
proposed
thus
offer
invaluable
insights
planners
landscape
designers.
Water,
Journal Year:
2024,
Volume and Issue:
17(1), P. 1 - 1
Published: Dec. 24, 2024
China’s
Dongting
Lake
area
is
intertwined
with
rivers
and
lakes
possesses
many
water
systems.
As
such,
it
one
of
the
most
complicated
areas
in
Yangtze
River
Basin,
terms
complexity
its
flood
control.
Over
time,
siltation
reclamation
lake
have
greatly
weakened
river
discharge
capacity
area,
whether
can
endure
extreme
floods
remains
an
open
question.
there
no
effective
scenario
simulation
model
for
this
study
constructs
a
hydrological
Jingjiang–Dongting
system
verifies
using
data
from
11
typical
occurring
1954
to
2020.
The
parameters
derived
2020
reflect
latest
relationship
between
river,
while
meteorological
1998
are
used
as
inputs
various
scenarios
aim
evaluating
pressure
levels
at
Chengglingji
Luoshan
stations
indicators.
preliminary
results
demonstrate
that
operation
upstream
Three
Gorges
Dam
storage
cannot
completely
offset
faced
by
area.
Therefore,
reinforcement
raising
embankments
should
be
carried
out,
order
cope
potential
events.
methodology
reference
value
policy
formation,
control,
assessment
dispatching
similar
areas.