Water,
Journal Year:
2024,
Volume and Issue:
16(4), P. 607 - 607
Published: Feb. 18, 2024
River
water-level
prediction
is
crucial
for
mitigating
flood
damage
caused
by
torrential
rainfall.
In
this
paper,
we
attempt
to
predict
river
water
levels
using
a
deep
learning
model
based
on
radar
rainfall
data
instead
of
from
upstream
hydrological
stations.
A
incorporating
two-dimensional
convolutional
neural
network
(2D-CNN)
and
long
short-term
memory
(LSTM)
constructed
exploit
geographical
temporal
features
data,
transfer
method
newly
defined
flow–distance
matrix
presented.
The
results
our
evaluation
the
Oyodo
basin
in
Japan
show
that
presented
measurements
has
good
accuracy
case
rain,
with
Nash–Sutcliffe
efficiency
(NSE)
value
0.86
Kling–Gupta
(KGE)
0.83
6-h-ahead
forecast
top-four
peak
height
cases,
which
comparable
conventional
(NSE
=
0.84
KGE
0.83).
It
also
confirmed
maintains
its
performance
even
when
amount
training
site
reduced;
values
NSE
0.82
were
achieved
reducing
torrential-rain-period
12
3
periods
(with
105
other
rivers
learning).
demonstrate
few
rain
at
location
potentially
enable
us
if
stations
have
not
been
installed
location.
Infrastructures,
Journal Year:
2025,
Volume and Issue:
10(1), P. 12 - 12
Published: Jan. 8, 2025
In
a
climate
change
scenario
where
extreme
precipitation
events
occur
more
frequently
and
intensely,
risk
assessment
plays
critical
role
in
ensuring
the
safety
operational
efficiency
of
facilities.
This
case
study
uses
combination
multi-criteria
analysis
approach
hydrological
studies
that
use
machine
learning
algorithms
to
simulate
new
rainfall
order
estimate
flooding
on
railroads.
Risk
variables,
including
terrain,
drainage
capability,
accumulated
flow,
land
cover,
will
be
weighed
using
multicriteria
approach.
A
methodical
evaluation
most
vulnerable
locations
railroad
network
possible
thanks
these
parameters
based
geographic
information
system
(GIS)
meantime,
historical
precipitation,
balance
data
used
calibrate
validate
models.
The
database
required
for
model
can
created
with
data.
research
regions
are
situated
densely
rail-networked
state
Minas
Gerais.
geographical
climatic
diversity
Gerais
makes
it
perfect
place
test
suggested
approaches.
models
evaluated
included
linear
regression,
random
forest,
decision
tree,
support
vector
machines.
Among
models,
Linear
Regression
emerged
as
best-performing
an
R2
value
0.999998,
mean
squared
error
(MSE)
0.018672,
low
tendency
overfitting
(0.000011).
Natural Hazards,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 11, 2025
Abstract
Floods
are
natural
disasters
with
significant
economic
and
infrastructural
impacts.
Assessing
flood
susceptibility
in
mountainous
urban
regions
is
particularly
challenging
due
to
the
complicated
interaction
which
structures
terrain
affect
behavior.
This
study
employs
two
ensemble
machine
learning
algorithms,
Extreme
Gradient
Boosting
(XGBoost)
Random
Forest
(RF),
develop
maps
for
Hunza-Nagar
region,
has
been
experiencing
frequent
flooding
past
three
decades.
An
unsteady
flow
simulation
carried
out
HEC-RAS
utilizing
a
100-year
return
period
hydrograph
as
an
input
boundary
condition,
output
of
provided
spatial
inundation
extents
necessary
developing
inventory.
Ten
explanatory
factors,
including
climatic,
geological,
geomorphological
features
namely
elevation,
slope,
curvature,
topographic
wetness
index
(TWI),
normalized
difference
vegetation
(NDVI),
land
use
cover
(LULC),
rainfall,
lithology,
distance
roads
rivers
considered
mapping.
For
inventory,
random
sampling
technique
adopted
create
repository
non-flood
points,
incorporating
ten
geo-environmental
conditioning
factors.
The
models’
accuracy
assessed
using
area
under
curve
(AUC)
receiver
operating
characteristics
(ROC).
prediction
rate
AUC
values
0.912
RF
0.893
XGBoost,
also
demonstrating
superior
performance
accuracy,
precision,
recall,
F1-score,
kappa
evaluation
metrics.
Consequently,
model
selected
represent
map
area.
resulting
will
assist
national
disaster
management
infrastructure
development
authorities
identifying
high
susceptible
zones
carrying
early
mitigation
actions
future
floods.
Water Resources Management,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
Abstract
Among
natural
hazards,
floods
pose
the
greatest
threat
to
lives
and
livelihoods.
To
reduce
flood
impacts,
short-term
forecasting
can
contribute
early
warnings
that
provide
communities
with
time
react.
This
manuscript
explores
how
machine
learning
(ML)
support
forecasting.
Using
two
methods
[strengths,
weaknesses,
opportunities,
threats
(SWOT)
comparative
performance
analysis]
for
different
forecast
lead
times
(1–6,
6–12,
12–24,
24–48
h),
we
evaluate
of
models
in
94
journal
papers
from
2001
2023.
SWOT
reveals
best
was
produced
by
hybrid,
random
forest
(RF),
long
memory
(LSTM),
artificial
neural
network
(ANN),
adaptive
neuro-fuzzy
inference
system
(ANFIS)
approaches.
The
analysis,
meanwhile,
favors
convolutional
network,
ANFIS,
multilayer
perceptron,
k-nearest
neighbors
algorithm
(KNN),
LSTM,
ANN,
vector
(SVM)
at
1–6
h;
LSTM
6–12
SVM,
RF
12–24
hybrid
h.
In
general,
approaches
consistently
perform
well
across
all
times.
Trends
such
as
hybridization,
model
selection,
input
data
decomposition
seem
improve
accuracy
models.
Furthermore,
effective
stand-alone
ML
RF,
genetic
algorithm,
KNN,
better
outcomes
through
hybridization
other
By
including
parameters
environmental,
socio-economical,
climatic
parameters,
produce
more
accurate
forecasting,
making
it
warning
operational
purposes.
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(2), P. e0318335 - e0318335
Published: Feb. 25, 2025
The
future
increase
of
large-scale
weather
disasters
resulting
from
the
increased
frequency
extreme
events
caused
by
climate
change
is
a
matter
concern.
Predicting
flood
damage
through
statistical
analysis
requires
accurate
modeling
relationship
between
historical
precipitation
and
damage.
An
that
considers
as
time
series
may
be
appropriate
for
this
purpose.
Functional
data
was
applied
to
model
daily
river
basins
in
Kanto
Koshin
regions
Japan.
Flood
statistics
national
government
1-km
grid
past
National
Agriculture
Food
Research
Organization
were
used.
models
obtained
functional
more
than
those
derived
simple
linear
regression
without
considering
precipitation.
new
also
about
four
times
estimating
annual
sum
damage,
compared
each
event.
accuracy
prediction
higher
recent
years
earlier
study
period
(1993–2020).
results
showed
influence
on
apparent
years.
This
findings
imply
progress
development
project
improvement
structures
along
have
indirectly
affected
levels
associated
with
Ocean-Land-Atmosphere Research,
Journal Year:
2023,
Volume and Issue:
2
Published: Jan. 1, 2023
Coastal
areas
are
highly
vulnerable
to
flood
risks,
which
exacerbated
by
the
changing
climate.
This
paper
provides
a
comprehensive
review
of
literature
on
coastal
risk
assessment
and
resilience
evaluation
proposes
smart-resilient
city
framework
based
pre-disaster,
mid-disaster,
post-disaster
evaluations.
First,
this
systematically
reviews
origin
concept
development
resilience.
Next,
it
introduces
social-acceptable
criteria
level
for
different
phases.
Then,
management
system
smart
cities
is
proposed,
covering
3
phases
disasters
(before,
during,
after).
Risk
essential
in
pre-disaster
scenarios
because
understanding
potential
hazards
vulnerabilities
an
area
or
system.
Big
data
monitoring
during
component
effective
emergency
response
that
can
allow
more
informed
decisions
thus
quicker,
responses
disasters,
ultimately
saving
lives
minimizing
damage.
Data-informed
loss
assessments
crucial
providing
rapid,
accurate
impact.
understanding,
turn,
instrumental
expediting
recovery
reconstruction
efforts
aiding
decision-making
processes
resource
allocation.
Finally,
impacts
climate
change
summarized.
The
resilient
communities
better
equipped
withstand
adapt
environmental
conditions
crucial.
To
address
compound
floods,
researchers
should
focus
trigging
factor
interactions,
assessing
economic
social
improving
systems,
promoting
interdisciplinary
research
with
openness.
These
strategies
will
enable
holistic
risks
context
change.
Environmental Modelling & Software,
Journal Year:
2023,
Volume and Issue:
168, P. 105787 - 105787
Published: Aug. 11, 2023
The
current
status
of
technological
advancement
does
not
allow
to
generate
detailed
spatial
flood
forecasts.
This
hinders
warning-systems,
interactive
planning
tools
and
Our
novel
method
computes
hazard
maps
over
three
orders
magnitude
faster
than
state-of-the-art
methods.
It
applies
physically-based
principles
steady-state
flow
evade
dynamic
aspects
simulations.
estimates
the
relevant
information
for
hazard,
such
as
peak
height,
velocity
arrival
time.
Performance
indicators
show
similar
or
exceeding
accuracy
compared
traditional
models
depending
on
type
data.
In
our
tests,
computation
is
reduced
1500
times.
provides
new
perspective
field
hazards,
risk
reduction
through
types
early-warning
systems,
user-interactive
assessment
systems.
As
climate
change
expected
aggravate
presented
can
bring
efficiency
simulation.
freely
available
at
www.fastflood.org.