Pixel-Wise Feature Fusion in Gully Susceptibility: A Comparison of Feed-Forward Neural Networks and Ensemble (Voting, Stacking) Models
Journal of African Earth Sciences,
Journal Year:
2025,
Volume and Issue:
unknown, P. 105633 - 105633
Published: March 1, 2025
Language: Английский
Urban Erosion in The Amazon Region: Mitigation and Control Strategies in The Municipality of Buriticupu (MA)
Revista de Gestão Social e Ambiental,
Journal Year:
2024,
Volume and Issue:
18(2), P. e05184 - e05184
Published: March 4, 2024
Purpose:
this
work
aims
to
analyze
the
factors
that
contributed
intensification
of
erosion
in
Amazon
region
Buriticupu
(MA)
and
discuss
possible
forms
mitigation
control.
Methods:
urban
area
municipality
was
characterized
data
on
soil,
pedology,
relief,
slope,
use
occupation,
economic
activities
developed,
as
well
satellite
images,
were
collected.
This
information
used
indicators
natural
processes,
influence
human
activities.
Possible
control
solutions
discussed.
Results
discussion:
it
found
several
aspects
contribute
development
phenomena
region,
such
soil
type,
slope
hydrology.
In
case
under
study,
geoenvironmental
favor
gullies.
However,
main
force
has
been
action
man
modifying
landscape
weakening
soil.
It
is
understood
necessary
implement
articulated
biogeoengineering
strategies,
controlling
stability
slopes,
water
flow
regime,
plant
restoration
environmental
education
strategies.
With
this,
we
can
be
successful
mitigating
phenomenon
preserving
landscape.
Implications
research:
urgent
develop
shared
management
measures
between
federated
entities,
organized
civil
society
local
population
map
regulate
sustainable
development,
especially
Amazonian
regions.
Originality/value:
some
regions,
(MA),
advancement
agricultural
associated
with
climate
change,
have
significantly
influenced
emergence
gullies,
which
promote
disappearance
built
environment.
These
gullies
are
treated
more
advanced
phenomena,
serious
difficult
remediate.
Although
a
problem
affects
many
regions
Brazil,
there
still
few
studies
aim
investigate
causes
its
appearance
discussion
about
applied
unprecedented.
Agricultural
accelerated
degradation
an
debated.
Language: Английский
Comparative analysis of the expansion rate and soil erodibility factor of some gullies in Nnewi and Nnobi, Southeastern Nigeria
Stella Kosi Nzereogu,
No information about this author
Ogbonnaya Igwe,
No information about this author
Chukwuebuka Emeh
No information about this author
et al.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Sept. 15, 2023
The
research
focused
on
assessing
the
expansion
rate
and
soil
erodibility
factor
(K)
of
specific
gullies
located
in
Nnewi
Nnobi,
Southeastern
Nigeria.
Fifteen
representative
were
studied
extensively.
Grain
size
distribution
analysis
revealed
that
soils
are
composed
gravel
(5.77-17.67%
7.01-13.65%),
sand
(79.90-91.01%
82.47-88.67%),
fines
(2.36-4.05%
3.78-5.02%)
for
Nnobi
respectively.
cohesion
internal
friction
angle
values
range
from
1-5
to
2-5
kPa
29-38°
30-34°
respectively,
which
suggests
have
low
shear
strength
susceptible
failure.
plasticity
index
(PI)
showed
they
nonplastic
plastic
highly
liquefiable
with
ranging
0-10
0-9%
Slope
stability
gave
safety
(FoS)
0.50-0.76
0.82-0.95
saturated
condition
0.73-0.98
0.87-1.04
unsaturated
both
respectively
indicating
slopes
generally
unstable
critically
stable.
erosion
a
fifteen-year
period
(2005-2020)
an
average
longitudinal
36.05
m/yr
10.76
8.57
×
10-2
1.62
10-4
higher
potentials
than
those
Nnobi.
Conclusively,
area
is
more
prone
area.
Language: Английский