Predicting flood risks using advanced machine learning algorithms with a focus on Bangladesh: influencing factors, gaps and future challenges
Earth Science Informatics,
Год журнала:
2025,
Номер
18(3)
Опубликована: Фев. 27, 2025
Язык: Английский
A Novel LSTM Approach for Reliable and Real-Time Flood Prediction in Complex Watersheds
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 26, 2025
Abstract
In
the
context
of
global
climate
change,
world
is
increasingly
experiencing
abnormal
phenomena,
with
natural
disasters
being
among
most
critical
challenges.
Adapting
to
these
changes
and
mitigating
their
risks
has
become
imperative.
Floods,
as
one
devastating
threats,
are
a
crucial
subject
study,
particularly
in
understanding
predicting
dynamic
behavior.
This
research
highlights
importance
flood
mapping
assessment
using
satellite
imagery
advanced
technologies
such
Geographical
Information
System
(GIS)
Deep
Learning
(DL).
The
study
focuses
on
Tetouan
city,
located
northern
Morocco,
which
provides
ideal
conditions
for
this
research.
Eleven
conditioning
factors
were
analyzed,
including
elevation,
slope,
aspect,
Stream
Power
Index
(SPI),
Topographic
Position
(TPI),
Wetness
(TWI),
curvature,
drainage
density
(DD),
distance
rivers
(DR),
Normalized
Difference
Vegetation
(NDVI),
land
use
(LU).
To
identify
relevant
influencing
occurrence,
Gain
Ratio
(IGR)
Frequency
(FR)
methods
applied,
allowing
exclusion
non-impactful
factors.
Long
Short-Term
Memory
(LSTM)
deep
learning
technique
was
utilized
balanced
dataset
1946
samples
generated
through
data
augmentation.
Additional
optimization
techniques
implemented
enhance
model’s
performance.
findings
demonstrate
high
prediction
accuracy
96.06%,
underscoring
model's
effectiveness
risk
assessment.
Язык: Английский