Water,
Journal Year:
2020,
Volume and Issue:
12(6), P. 1549 - 1549
Published: May 29, 2020
This
study
aimed
to
assess
flash-flood
susceptibility
using
a
new
hybridization
approach
of
Deep
Neural
Network
(DNN),
Analytical
Hierarchy
Process
(AHP),
and
Frequency
Ratio
(FR).
A
catchment
area
in
south-eastern
Romania
was
selected
for
this
proposed
approach.
In
regard,
geospatial
database
the
flood
with
178
locations
10
predictors
prepared
used
AHP
FR
were
processing
coding
into
numeric
format,
whereas
DNN,
which
is
powerful
state-of-the-art
probabilistic
machine
leaning,
employed
build
an
inference
model.
The
reliability
models
verified
help
Receiver
Operating
Characteristic
(ROC)
Curve,
Area
Under
Curve
(AUC),
several
statistical
measures.
result
shows
that
two
ensemble
models,
DNN-AHP
DNN-FR,
are
capable
predicting
future
areas
accuracy
higher
than
92%;
therefore,
they
tool
studies.
International Journal of Applied Earth Observation and Geoinformation,
Journal Year:
2023,
Volume and Issue:
122, P. 103401 - 103401
Published: July 14, 2023
Flash
floods
are
among
the
world
most
destructive
natural
disasters,
and
developing
optimum
hybrid
Machine
Learning
(ML)
models
for
flash
flood
susceptibility
(FFS)
modeling
remains
a
challenge.
This
study
proposed
novel
intelligence
algorithms
based
on
of
several
ensemble
ML
(i.e.,
Bagged
Flexible
Discriminant
Analysis
(BAFDA),
Extreme
Gradient
Boosting
(XBG),
Rotation
Forest
(ROF)
Boosted
Generalized
Additive
Model
(BGAM))
wrapper-based
factor
optimization
Recursive
Feature
Elimination
(RFE)
Boruta)
to
improve
accuracy
FFS
mapping
at
Neka-Haraz
watershed
in
Iran.
In
addition,
Random
Search
(RS)
method
is
meta-optimization
developed
hyper-parameters.
considers
20
conditioning
factors
(CgFs)
380
non-flood
locations
create
geospatial
database.
The
performance
each
model
was
evaluated
by
area
under
receiver
operating
characteristic
(ROC)
curve
(AUC)
validation
methods,
such
as
efficiency.
demonstrated
good
performance,
with
BGAM-Boruta
achieving
highest
(AUC
=
0.953,
Efficiency
0.910),
followed
ROF-Boruta
0.952),
ROF-RFE
0.951),
BAFDA-Boruta
0.950),
BGAM-RFE
ROF
0.949),
BGAM
0.948),
BAFDA-RFE
0.943),
XGB-Boruta
BAFDA
0.939),
XGB-RFE
0.938)
XGB
0.911).
model,
regional
coverage
about
46%
high
very
areas.
Moreover,
revealed
that
distance
river,
slope,
rainfall,
altitude,
road
CgFs
significant
this
region.
International Journal of Digital Earth,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Feb. 9, 2024
Floods
pose
devastating
effects
on
the
resiliency
of
human
and
natural
systems.
flood
risk
management
challenges
are
typically
complicated
in
transboundary
river
basin
due
to
conflicting
objectives
between
multiple
countries,
lack
systematic
approaches
data
monitoring
sharing,
limited
collaboration
developing
a
unified
system
for
hazard
prediction
communication.
An
open-source,
low-cost
modeling
framework
that
integrates
open-source
models
can
help
improve
our
understanding
susceptibility
inform
design
equitable
strategies.
This
study
datasets
machine
-learning
techniques
quantify
across
data-scare
basin.
The
analysis
focuses
Gandak
River
Basin,
spanning
China,
Nepal,
India,
where
damaging
recurring
floods
serious
concern.
is
assessed
using
four
widely
used
learning
techniques:
Long-Short-Term-Memory,
Random
Forest,
Artificial
Neural
Network,
Support
Vector
Machine.
Our
results
exhibit
improved
performance
Network
Machine
predicting
maps,
revealing
higher
vulnerability
southern
plains.
demonstrates
remote
sensing
prediction,
mapping,
environment.
Geoscience Frontiers,
Journal Year:
2024,
Volume and Issue:
15(3), P. 101780 - 101780
Published: Jan. 9, 2024
Flash
floods
(FFs)
are
amongst
the
most
devastating
hazards
in
arid
regions
response
to
climate
change
and
can
cause
loss
of
agricultural
land,
human
lives
infrastructure.
One
major
challenges
is
high-intensity
rainfall
events
affecting
low-lying
areas
that
vulnerable
FF.
Several
works
this
field
have
been
conducted
using
ensemble
machine
learning
models
geohydrological
models.
However,
current
advancement
eXtreme
deep
learning,
which
named
factorisation
(xDeepFM),
for
FF
susceptibility
mapping
(FSM)
lacking
literature.
The
study
introduces
a
new
model
employs
previously
unapplied
approach
enhance
FSM
capturing
severity
floods.
proposed
has
three
main
objectives:
(i)
During-
after-flood
effects
assessed
through
flood
detection
techniques
Sentinel-1
data.
(ii)
Flood
inventory
updated
remote
sensing-based
methods.
derived
implemented
next
step.
(iii)
An
map
generated
an
xDeepFM
model.
Therefore,
aims
apply
estimate
susceptible
13
factors
emirates
Fujairah,
UAE.
performance
metrics
show
recall
0.9488),
F1-score
0.9107),
precision
(0.8756)
overall
accuracy
90.41%.
applied
compared
with
traditional
models,
specifically
neural
network
(78%),
support
vector
(85.4%)
random
forest
(88.75%).
Random
achieves
high
accuracy,
due
its
strong
depends
on
contribution,
dataset
size
quality,
available
computational
resources.
Comparatively,
efficiently
complicated
prediction
problems
having
non-collinearity
huge
datasets.
obtained
denotes
narrow
basins,
lowland
coastal
riverbank
up
5
km
(Fujairah)
highly
prone
FF,
whilst
alluvial
plains
Al
Dhaid
hilly
Fujairah
low
probability.
city
bounded
by
high-rise
steep
hills
Gulf
Oman,
elevate
water
levels
during
heavy
rainfall.
Four
synchronised
influencing
factors,
namely,
rainfall,
elevation,
drainage
density,
distance
from
geomorphology,
account
nearly
50%
total
contributing
very
susceptibility.
This
offers
platform
planners
decision
makers
take
timely
actions
potential
mitigating
Remote Sensing,
Journal Year:
2020,
Volume and Issue:
12(15), P. 2478 - 2478
Published: Aug. 2, 2020
In
the
present
study,
gully
erosion
susceptibility
was
evaluated
for
area
of
Robat
Turk
Watershed
in
Iran.
The
assessment
performed
using
four
state-of-the-art
data
mining
techniques:
random
forest
(RF),
credal
decision
trees
(CDTree),
kernel
logistic
regression
(KLR),
and
best-first
tree
(BFTree).
To
best
our
knowledge,
KLR
CDTree
algorithms
have
been
rarely
applied
to
modeling.
first
step,
from
242
locations
that
were
identified,
70%
(170
gullies)
selected
as
training
dataset,
other
30%
(72
considered
result
validation
process.
next
twelve
conditioning
factors,
including
topographic,
geomorphological,
environmental,
hydrologic
estimate
susceptibility.
under
ROC
curve
(AUC)
used
performance
models.
results
revealed
RF
model
had
(AUC
=
0.893),
followed
by
0.825),
0.808),
BFTree
0.789)
Overall,
significantly
better
than
others,
which
may
support
application
this
method
a
transferable
areas.
Therefore,
we
suggest
RF,
KLR,
CDT
models
mapping
prone
areas
assess
their
reproducibility.
Journal of Hydro-environment Research,
Journal Year:
2021,
Volume and Issue:
40, P. 1 - 16
Published: Nov. 9, 2021
Floods
are
among
the
devastating
natural
disasters
that
occurred
very
frequently
in
arid
regions
during
last
decades.
Accurate
assessment
of
flood
susceptibility
mapping
is
crucial
sustainable
development.
It
helps
respective
authorities
to
prevent
as
much
possible
their
irreversible
consequences.
The
Digital
Elevation
Model
(DEM)
spatial
resolution
one
most
base
layer
factors
for
modeling
Flood
Probability
Maps
(FPMs).
Therefore,
main
objective
this
study
was
assess
influence
DEMs
12.5
m
(ALOS
PALSAR)
and
30
(ASTER)
on
accuracy
probability
prediction
using
three
machine
learning
models
(MLMs),
including
Random
Forest
(RF),
Artificial
Neural
Network
(ANN),
Generalized
Linear
(GLM).
This
selected
14
causative
independent
variables,
220
locations
were
dependent
variables.
Dependent
variables
divided
into
training
(70%)
validation
(30%)
modeling.
Receiver
Operating
Characteristic
Curve
(ROC),
Kappa
index,
accuracy,
other
statistical
criteria
used
evaluate
models'
accuracy.
results
showed
resolving
DEM
alone
cannot
significantly
affect
regardless
applied
MLM
independently
model
performance
In
contrast,
such
altitude,
precipitation,
distance
from
river
have
a
considerable
impact
floods
region.
Also,
evaluation
RF
(AUC12.5,30m
=
0.983,
0.975)
more
accurate
preparing
FPM
than
ANN
0.949,
0.93)
GLM
0.965,
0.949)
models.
study's
solution-oriented
findings
might
help
water
managers
decision-makers
make
effective
adaptation
mitigation
measures
against
potential
flooding.
Water,
Journal Year:
2021,
Volume and Issue:
13(10), P. 1358 - 1358
Published: May 13, 2021
This
paper
provides
an
overview
of
multi-criteria
decision
analysis
(MCDA)
applications
in
managing
water-related
disasters
(WRD).
Although
MCDA
has
been
widely
used
natural
disasters,
it
appears
that
no
literature
review
conducted
on
the
disaster
management
phases
mitigation,
preparedness,
response,
and
recovery.
Therefore,
this
fills
gap
by
providing
a
bibliometric
flood
drought
events.
Out
818
articles
retrieved
from
scientific
databases,
149
were
shortlisted
analyzed
using
Preferred
Reporting
Items
for
Systematic
Reviews
Meta-analyses
(PRISMA)
approach.
The
results
show
significant
growth
last
five
years,
especially
Most
focused
mitigation
phase
DMP,
while
other
recovery
remained
understudied.
analytical
hierarchy
process
(AHP)
was
most
common
technique
used,
followed
mixed-method
techniques
TOPSIS.
article
concludes
discussion
identifying
number
opportunities
future
research
use
disasters.