Landslide susceptibility assessment in Addi Arkay, Ethiopia using GIS, remote sensing, and AHP
Likinaw Mengstie,
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Assayew Nebere,
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Muralitharan Jothimani
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et al.
Quaternary Science Advances,
Journal Year:
2024,
Volume and Issue:
15, P. 100217 - 100217
Published: July 9, 2024
Landslides
account
for
the
breakdown
of
natural
topographies,
impacting
many
mountainous
areas
and
leading
to
loss
lives
damaged
infrastructure.
This
research
aims
generate
a
reliable
landslide
susceptibility
zonation
map
employing
geospatial
Analytical
Hierarchy
Processes
(AHP)
in
Addi
Arkay
Woreda,
North
Gondar
Zone,
Amhara
Regional
State,
northern
Ethiopia.
The
present
study
uses
remote
sensing
data,
geographic
information
system
(GIS)
tools,
AHP,
weighted
linear
combination
(WLC)
models
analyze
multiple
environmental
variables,
including
slope,
aspect,
curvature,
lithology,
soil
texture,
topographic
wetness
index
(TWI),
rainfall.
As
per
results,
around
186.12
km2
(13.26%)
total
area
is
under
very
high
140.85
(10.05%)
low
susceptibility.
Using
Google
Earth
images
inaccessible
areas,
121
inventories
were
identified
through
fieldwork.
Of
these
inventories,
85
used
train
model
36
testing.
performance
AHP
was
validated
by
Receiver
Operating
Characteristics
(ROC)
curve
(0.75),
which
indicates
good
predictive
accuracy
identifying
landslide-prone
areas.
These
findings
are
essential
regional
land
use
planning,
hazard
mitigation,
prevention
efforts.
Additionally,
this
contributes
scientific
understanding
dynamics
Northwestern
highlands
Ethiopia
offers
methodological
framework
that
can
be
applied
other
regions
with
similar
geological
climatic
conditions.
Language: Английский
Integration of geospatial analysis, frequency ratio, and analytical hierarchy process for landslide susceptibility assessment in the maze catchment, omo valley, southern Ethiopia
Obse Kebeba,
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Leulalem Shano,
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Yadeta Chemdesa
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et al.
Quaternary Science Advances,
Journal Year:
2024,
Volume and Issue:
15, P. 100203 - 100203
Published: June 7, 2024
This
investigation
was
conducted
in
southern
Ethiopia's
Maze
watershed
the
Omo
River
Valley.
Frequency
ratio
(FR)
and
analytic
hierarchy
process
(AHP)
techniques
were
used
to
assess
landslide
susceptibility
region.
Identifying
causative
components
inventory
data
achieved
goal.
Remote
sensing
on-site
investigations
found
793
polygons.
To
vulnerability,
information
is
categorized
into
two
groups:
training
dataset
(70%)
validation
(30%).
study
examined
"slope,
aspect,
curvature,
lithology,
land
use
cover,
normalized
vegetation
index,
proximity
fault
lines,
rivers,
distance
road
as
controlling
factors".
The
spatial
analysis
capabilities
Arc
GIS
overlay
weights
of
all
landslide-causing
create
map.
A
final
map
produced
using
FR
AHP
methods
"very
low,"
"low,"
"moderate,"
"high,"
high."
frequency
method
divides
region
classes
by
frequency.
very
low,
medium,
high,
high
groups
cover
25%,
20%,
18%,
19%
territory.
analytical
hierarchical
technique
shows
that
3%,
7%,
26%,
36%,
28%
area
are
moderate,
susceptibility.
receiver
operating
characteristic
curve
employed
validate
area-underlayer
maps.
success
rates
determined
approaches,
resulting
AUC
numbers
0.873
0.87.
Similarly,
prediction
be
0.81
0.80.
maps
will
significantly
influence
resource
allocation.
Language: Английский
Effects of landslide hazards on the livelihood strategies of rural households in Gamo Highlands, Southern Ethiopia
Geoenvironmental Disasters,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: March 17, 2025
Language: Английский
An expert-based assessment of early warning systems effectiveness in South Ethiopia Regional State
Thomas Toma Tora,
No information about this author
Lemma Tadesse Andarge,
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Adefris Tefera Abebe
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et al.
Discover Sustainability,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: March 21, 2025
Language: Английский
Combined GIS, FR and AHP Approaches to Landslide Susceptibility and Risk Zonation in the Baso Liben District, Northwestern Ethiopia
Biniyam Taye Alamrew,
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Tibebu Kassawmar,
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Likinaw Mengstie
No information about this author
et al.
Quaternary Science Advances,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100250 - 100250
Published: Oct. 1, 2024
Language: Английский
Spatial Analysis of Landslide Hazard Vulnerability Using Decision Support System in the Sile-Sago Watershed, Lake Chamo Rift Valley Basin, Ethiopia.
Atalay Ayele,
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Abiyot Legesse Tura,
No information about this author
Abera Uncha Utallo
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et al.
Environmental Challenges,
Journal Year:
2024,
Volume and Issue:
unknown, P. 101057 - 101057
Published: Dec. 1, 2024
Language: Английский
Exploring uncertainty analysis in GIS-based Landslide susceptibility mapping models using machine learning in the Darjeeling Himalayas
Earth Science Informatics,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Dec. 14, 2024
Language: Английский
Multiple indicators-based assessment of rural food security status in landslide-prone areas of Southern Ethiopia
Discover Sustainability,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: June 5, 2024
Abstract
Landslide
hazards
significantly
threaten
rural
communities,
impacting
various
aspects
of
livelihoods,
including
food
security.
The
Gamo
Highlands
in
southern
Ethiopia
is
vulnerable
to
landslide
hazards.
Therefore,
this
research
aims
investigate
the
effect
on
households’
security
status
Gacho
Baba
district,
Highlands,
Ethiopia.
study
employed
a
mixed
approach,
collect
and
analyze
data
collected
from
289
households,
community
leaders,
early
warning
experts.
Purposive
multistage
sampling
techniques
were
deployed.
Both
descriptive
inferential
statistics
used
data.
Household
Food
Insecurity
Access
Scale
(HFIAS),
Consumption
Score
(FCS),
Reducing
Coping
Strategies
Index
(RCSI)
in/security
indicators
used.
HFIAS
reveals
significant
worries
regarding
stable
access
availability
food,
with
62%
sample
households
categorized
as
mildly,
moderately,
severely
food-insecure.
FCS
indicates
prevalent
challenges
achieving
adequate
consumption
levels
among
surveyed
portion
falling
into
poor
category
(51.3%).
while
investigation
coping
strategies
using
RCSI
(53.3%)
samples
high
strategies.
also
varying
awareness
preparedness
proportion
expressing
uncertainty
about
occurrence
prevention
mechanisms.
findings
underscore
need
for
targeted
educational
initiatives,
well
comprehensive
risk
reduction
strategies,
enhance
household
resilience
safeguard
landslide-prone
areas.
Language: Английский