Geocarto International,
Journal Year:
2021,
Volume and Issue:
37(25), P. 7881 - 7907
Published: Sept. 27, 2021
Landslides
are
most
catastrophic
and
frequently
occurred
across
the
world.
In
mountainous
areas
of
globe,
recurrent
occurrences
landslide
have
caused
huge
amount
economic
losses
a
large
number
casualties.
this
research,
we
attempted
to
estimate
potential
impact
climate
LULC
on
future
susceptibility
in
Markazi
Province
Iran.
We
considered
boosted
tree
(BT),
random
forest
(RF)
extremely
randomized
(ERT)
models
for
assessment
Province.
The
results
evaluation
criteria
showed
that
ERT
model
is
optimal
than
other
used
study
with
AUC
values
0.99
0.93
training
validation
datasets,
respectively.
According
model,
spatial
coverage
very
high
land
slide
susceptible
zones
current
period,
2050s
considering
RCP
2.6
8.5
428.5
km2,
439.6
km2
465.2
From
analysis
it
clear
changes
prominent.
present
help
managers
reduce
damages,
not
only
but
also
conditions,
based
changes.
Sensors,
Journal Year:
2020,
Volume and Issue:
20(19), P. 5609 - 5609
Published: Sept. 30, 2020
This
study
aims
to
evaluate
a
new
approach
in
modeling
gully
erosion
susceptibility
(GES)
based
on
deep
learning
neural
network
(DLNN)
model
and
an
ensemble
particle
swarm
optimization
(PSO)
algorithm
with
DLNN
(PSO-DLNN),
comparing
these
approaches
common
artificial
(ANN)
support
vector
machine
(SVM)
models
Shirahan
watershed,
Iran.
For
this
purpose,
13
independent
variables
affecting
GES
the
area,
namely,
altitude,
slope,
aspect,
plan
curvature,
profile
drainage
density,
distance
from
river,
land
use,
soil,
lithology,
rainfall,
stream
power
index
(SPI),
topographic
wetness
(TWI),
were
prepared.
A
total
of
132
locations
identified
during
field
visits.
To
implement
proposed
model,
dataset
was
divided
into
two
categories
training
(70%)
testing
(30%).
The
results
indicate
that
area
under
curve
(AUC)
value
receiver
operating
characteristic
(ROC)
considering
datasets
PSO-DLNN
is
0.89,
which
indicates
superb
accuracy.
rest
are
associated
optimal
accuracy
have
similar
model;
AUC
values
ROC
DLNN,
SVM,
ANN
for
0.87,
0.85,
0.84,
respectively.
efficiency
terms
prediction
increased.
Therefore,
it
can
be
concluded
its
PSO
used
as
novel
practical
method
predict
susceptibility,
help
planners
managers
manage
reduce
risk
phenomenon.
Remote Sensing,
Journal Year:
2020,
Volume and Issue:
12(17), P. 2833 - 2833
Published: Sept. 1, 2020
The
extreme
form
of
land
degradation
caused
by
the
formation
gullies
is
a
major
challenge
for
sustainability
resources.
This
problem
more
vulnerable
in
arid
and
semi-arid
environment
associated
damage
to
agriculture
allied
economic
activities.
Appropriate
modeling
such
erosion
therefore
needed
with
optimum
accuracy
estimating
regions
taking
appropriate
initiatives.
Golestan
Dam
has
faced
an
acute
gully
over
last
decade
adversely
affected
society.
Here,
artificial
neural
network
(ANN),
general
linear
model
(GLM),
maximum
entropy
(MaxEnt),
support
vector
machine
(SVM)
learning
algorithm
90/10,
80/20,
70/30,
60/40,
50/50
random
partitioning
training
validation
samples
was
selected
purposively
susceptibility.
main
objective
this
work
predict
susceptible
zone
possible
accuracy.
For
purpose,
approaches
were
implemented.
20
conditioning
factors
considered
predicting
areas
considering
multi-collinearity
test.
variance
inflation
factor
(VIF)
tolerance
(TOL)
limit
assessment
reducing
error
models
increase
efficiency
outcome.
ANN
sample
most
optimal
analysis.
area
under
curve
(AUC)
values
receiver
operating
characteristics
(ROC)
(50/50)
data
are
0.918
0.868,
respectively.
importance
causative
estimated
help
Jackknife
test,
which
reveals
that
important
topography
position
index
(TPI).
Apart
from
this,
prioritization
all
predicted
into
account
set,
should
future
researchers
select
perspective.
type
outcome
planners
local
stakeholders
implement
water
conservation
measures.
Remote Sensing,
Journal Year:
2020,
Volume and Issue:
12(22), P. 3675 - 3675
Published: Nov. 10, 2020
Gully
formation
through
water-induced
soil
erosion
and
related
to
devastating
land
degradation
is
often
a
quasi-normal
threat
human
life,
as
it
responsible
for
huge
loss
of
surface
soil.
Therefore,
gully
susceptibility
(GES)
mapping
necessary
in
order
reduce
the
adverse
effect
diminishes
this
type
harmful
consequences.
The
principle
goal
present
research
study
develop
GES
maps
Garhbeta
I
Community
Development
(C.D.)
Block;
West
Bengal,
India,
by
using
machine
learning
algorithm
(MLA)
boosted
regression
tree
(BRT),
bagging
ensemble
BRT-bagging
with
K-fold
cross
validation
(CV)
resampling
techniques.
combination
aforementioned
MLAs
approaches
state-of-the-art
soft
computing,
not
used
evaluation.
In
further
progress
our
work,
here
we
total
20
conditioning
factors
(GECFs)
199
head
cut
points
modelling
GES.
variables’
importance,
which
erosion,
was
determined
based
on
random
forest
(RF)
among
several
GECFs
study.
output
result
model’s
performance
validated
receiver
operating
characteristics-area
under
curve
(ROC-AUC),
sensitivity,
specificity,
positive
predictive
value
(PPV)
negative
(NPV)
statistical
analysis.
predicted
shows
that
most
well
fitted
where
AUC
K-3
fold
0.972,
whereas
PPV
NPV
0.94,
0.93,
0.96
respectively,
training
dataset,
followed
BRT
model.
Thus,
from
concluded
BRT-Bagging
can
be
applied
new
approach
studies
spatial
prediction
outcome
work
helpful
policy
makers
implementing
remedial
measures
minimize
damages
caused
erosion.
Geomatics Natural Hazards and Risk,
Journal Year:
2021,
Volume and Issue:
12(1), P. 469 - 498
Published: Jan. 1, 2021
Spatial
modelling
of
gully
erosion
at
regional
level
is
very
relevant
for
local
authorities
to
establish
successful
counter-measures
and
change
land-use
planning.
This
work
exploring
researching
the
potential
a
genetic
algorithm-extreme
gradient
boosting
(GE-XGBoost)
hybrid
computer
education
solution
spatial
mapping
susceptibility
erosion.
The
new
machine
learning
approach
combine
extreme
(XGBoost)
algorithm
(GA).
GA
metaheuristic
being
used
improve
efficiency
XGBoost
classification
approach.
A
GIS
database
has
been
developed
that
contains
recorded
instances
incidents
18
conditioning
variables.
These
parameters
are
as
predictive
variables
assess
condition
non-erosion
or
in
given
region
within
Kohpayeh-Sagzi
River
Watershed
research
area
Iran.
Exploratory
results
indicate
proposed
GE-XGBoost
model
superior
other
benchmark
with
desired
precision
(89.56%).
Therefore,
newly
built
may
be
promising
method
large-scale
susceptibility.
Geomatics Natural Hazards and Risk,
Journal Year:
2022,
Volume and Issue:
13(1), P. 949 - 974
Published: April 11, 2022
Flood
is
a
common
global
natural
hazard,
and
detailed
flood
susceptibility
maps
for
specific
watersheds
are
important
management
measures.
We
compute
the
map
Kaiser
watershed
in
Iran
using
machine
learning
models
such
as
support
vector
(SVM),
Particle
swarm
optimization
(PSO),
genetic
algorithm
(GA)
along
with
ensembles
(PSO-GA
SVM-GA).
The
application
of
assessment
mapping
analyzed,
future
research
suggestions
presented.
model
was
constructed
based
on
fifteen
causatives:
slope,
slope
aspect,
elevation,
plan
curvature,
land
use,
cover,
normalize
differences
vegetation
index
(NDVI),
convergence
(CI),
topographical
wetness
(TWI),
topographic
positioning
Index
(TPI),
drainage
density
(DD),
distance
to
stream,
terrain
ruggedness
(TRI),
surface
texture
(TST),
geology
stream
power
(SPI)
inventory
data
which
later
divided
by
70%
training
30%
validated
model.
output
evaluated
through
sensitivity,
specificity,
accuracy,
precision,
Cohen
Kappa,
F-score,
receiver
operating
curve
(ROC).
evaluation
method
shows
robust
results
from
(0.839),
particle
(0.851),
(0.874),
SVM-GA
(0.886),
PSO-GA
(0.902).
Compared
have
done
some
methods
commonly
used
this
assessment.
A
high-quality,
informative
database
essential
classification
types
that
very
helpful
improve
performances.
performance
ensemble
better
than
model,
yielding
high
degree
accuracy
(AUC-0.902%).
Our
approach,
therefore,
provides
novel
studies
other
watersheds.