Water,
Год журнала:
2022,
Номер
14(19), С. 3062 - 3062
Опубликована: Сен. 28, 2022
Flooding
is
one
of
the
most
prevalent
types
natural
catastrophes,
and
it
can
cause
extensive
damage
to
infrastructure
environment.
The
primary
method
flood
risk
management
susceptibility
mapping
(FSM),
which
provides
a
quantitative
assessment
region’s
vulnerability
flooding.
objective
this
study
develop
new
ensemble
models
for
FSM
by
integrating
metaheuristic
algorithms,
such
as
genetic
algorithms
(GA),
particle
swarm
optimization
(PSO),
harmony
search
(HS),
with
decision
table
classifier
(DTB).
proposed
were
applied
in
province
Sulaymaniyah,
Iraq.
Sentinel-1
synthetic
aperture
radar
(SAR)
data
satellite
images
used
monitoring
(on
27
July
2019),
160
occurrence
locations
prepared
modeling.
For
training
validation
datasets,
coupled
1
flood-influencing
parameters
(slope,
altitude,
aspect,
plan
curvature,
distance
from
rivers,
land
cover,
geology,
topographic
wetness
index
(TWI),
stream
power
(SPI),
rainfall,
normalized
difference
vegetation
(NDVI)).
certainty
factor
(CF)
approach
was
determine
spatial
association
between
effective
floods,
resulting
weights
employed
modeling
inputs.
According
pairwise
consistency
technique,
NDVI
altitude
are
significant
factors
area
under
receiver
operating
characteristic
(AUROC)
curve
evaluate
accuracy
effectiveness
models.
DTB-GA
model
found
be
accurate
(AUC
=
0.889),
followed
DTB-PSO
0.844)
DTB-HS
0.812).
This
research’s
hybrid
provide
reliable
estimate
risk,
maps
early-warning
control
systems.
International Journal of Applied Earth Observation and Geoinformation,
Год журнала:
2023,
Номер
122, С. 103401 - 103401
Опубликована: Июль 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.
Scientific Reports,
Год журнала:
2022,
Номер
12(1)
Опубликована: Янв. 27, 2022
Abstract
Considering
the
large
number
of
natural
disasters
on
planet,
many
areas
in
world
are
at
risk
these
hazards;
therefore,
providing
an
integrated
map
as
a
guide
for
multiple
hazards
can
be
applied
to
save
human
lives
and
reduce
financial
losses.
This
study
designed
multi-hazard
three
important
(earthquakes,
floods,
landslides)
identify
endangered
Kermanshah
province
located
western
Iran
using
ensemble
SWARA-ANFIS-PSO
SWARA-ANFIS-GWO
models.
In
first
step,
flood
landslide
inventory
maps
were
generated
at-risk
areas.
Then,
occurrence
places
each
hazard
divided
into
two
groups
training
susceptibility
models
(70%)
testing
(30%).
Factors
affecting
hazards,
including
altitude,
slope
aspect,
degree,
plan
curvature,
distance
rivers,
roads,
faults,
rainfall,
lithology,
land
use,
used
generate
maps.
The
SWARA
method
was
weigh
subclasses
influencing
factors
floods
landslides.
addition,
peak
ground
acceleration
(PGA)
investigate
earthquakes
area.
next
ANFIS
machine
learning
algorithm
combination
with
PSO
GWO
meta-heuristic
algorithms
train
data,
separately
hazards.
predictive
ability
implemented
validated
receiver
operating
characteristics
(ROC),
root
mean
square
error
(RMSE),
(MSE)
methods.
results
showed
that
model
had
best
performance
generating
ROC
=
0.936,
RMS
0.346,
MSE
0.120.
Furthermore,
this
excellent
(ROC
0.894,
0.410,
0.168)
map.
Finally,
PGA
combined,
(MHM)
obtained
Province.
by
managers
planners
practical
sustainable
development.
Water,
Год журнала:
2022,
Номер
14(19), С. 3062 - 3062
Опубликована: Сен. 28, 2022
Flooding
is
one
of
the
most
prevalent
types
natural
catastrophes,
and
it
can
cause
extensive
damage
to
infrastructure
environment.
The
primary
method
flood
risk
management
susceptibility
mapping
(FSM),
which
provides
a
quantitative
assessment
region’s
vulnerability
flooding.
objective
this
study
develop
new
ensemble
models
for
FSM
by
integrating
metaheuristic
algorithms,
such
as
genetic
algorithms
(GA),
particle
swarm
optimization
(PSO),
harmony
search
(HS),
with
decision
table
classifier
(DTB).
proposed
were
applied
in
province
Sulaymaniyah,
Iraq.
Sentinel-1
synthetic
aperture
radar
(SAR)
data
satellite
images
used
monitoring
(on
27
July
2019),
160
occurrence
locations
prepared
modeling.
For
training
validation
datasets,
coupled
1
flood-influencing
parameters
(slope,
altitude,
aspect,
plan
curvature,
distance
from
rivers,
land
cover,
geology,
topographic
wetness
index
(TWI),
stream
power
(SPI),
rainfall,
normalized
difference
vegetation
(NDVI)).
certainty
factor
(CF)
approach
was
determine
spatial
association
between
effective
floods,
resulting
weights
employed
modeling
inputs.
According
pairwise
consistency
technique,
NDVI
altitude
are
significant
factors
area
under
receiver
operating
characteristic
(AUROC)
curve
evaluate
accuracy
effectiveness
models.
DTB-GA
model
found
be
accurate
(AUC
=
0.889),
followed
DTB-PSO
0.844)
DTB-HS
0.812).
This
research’s
hybrid
provide
reliable
estimate
risk,
maps
early-warning
control
systems.