Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
Abstract
Morphometric
analysis
using
RS
and
GIS
provides
a
cost
time-effective
solution
for
prioritizing
soil
water
conservation
practices.
Therefore,
study
was
conducted
to
estimate
various
linear,
areal
relief
morphological
parameters
prioritize
the
erosion-prone
areas
approach
of
an
ecologically
fragile
vulnerable
Urpash
watershed.
The
morphometric
revealed
presence
32
streams
ranging
from
1st
3rd
orders,
covering
total
area
21.37
km2.
Results
like
Re,
Rf,
Rc
indicated
elongated
shape
watershed,
suggesting
lower
runoff
erosion
potential
alongside
higher
sub-soil
permeability.
Small
Dd,
Fs,
Di
values
that
watershed
is
at
heightened
risk
experiencing
flooding,
gully
landslides
due
its
inability
quickly
disperse
surface
runoff.
priority
order
obtained
compound
parameter
WS3
>
WS4
WS5
WS6
WS2
WS1.
Watershed Ecology and the Environment,
Год журнала:
2023,
Номер
6, С. 13 - 25
Опубликована: Дек. 22, 2023
The
analysis
of
morphometric
parameters
plays
a
crucial
role
in
understanding
and
managing
watersheds,
making
it
fundamental
component
hydrological
investigations.
This
review
paper
talks
about
how
important
is
to
objectively
evaluate
parameters,
with
focus
on
the
evaluation
basins'
relief,
linear,
areal
parameters.
However,
noted
that
there
lack
distinct
standard
classification
implication
for
each
parameter
some
research
publications.
Furthermore,
range
categories
values
have
not
been
adequately
addressed
previous
studies.
Many
papers
state
whether
particular
parameter's
resultant
value
high
or
low
without
providing
specific
ranges
associated
implications.
Also,
emphasised
accuracy
sources
digital
elevation
models
(DEMs)
affect
well
works,
even
when
DEMs
same
resolution
are
used.
existing
literature
demonstrates
determining
poses
significant
challenges.
Moreover,
verifying
first
second
Horton's
laws
assessing
correlations
between
lacking
articles.
main
objective
this
article
address
these
gaps
by
an
in-depth
study
categorization,
including
values,
level
input
data
quality,
products
generated,
applicability
laws.
By
doing
so,
aims
enhance
their
ranges,
significance
application
watershed
management.
International Journal of Digital Earth,
Год журнала:
2024,
Номер
17(1)
Опубликована: Май 7, 2024
Soil
erosion,
a
major
factor
contributing
to
land
degradation,
poses
significant
environmental
challenges
across
sub-Saharan
Africa,
including
Ethiopia.
This
study
identifies
erosion-prone
sub-watersheds
in
southern
Ethiopia's
middle
Omo-Gibe
River
basin
using
digital
elevation
model
data,
analyzed
geomorphometric
and
statistically
weighted
sum
priority
approach
Geographic
Information
System
environment.
Additionally,
hypsometric
analysis,
lithology,
use/cover
field
observations
were
integrated
enhance
methodological
reliability
assessing
soil
erosion
patterns
subsequent
degradation
the
basin.
Results
highlight
with
varying
degrees
of
sensitivity,
emphasizing
morphometric
parameters
landscape
characteristics.
Furthermore,
analysis
confirms
moderate
high
susceptibility
erosion.
Moreover,
half
river
consists
shrubland,
encompassing
scrubs,
range
lands,
small
wooded
areas.
These
are
less
efficient
mitigating
compared
forests,
especially
face
summer
rainfall
ensuing
runoff.
Statistical
prioritization
identified
19
sub-watersheds,
covering
43%
basin's
total
area,
as
highly
prone
degradation.
The
study's
findings
valuable
for
Ethiopian
watershed
management
decision-makers,
enabling
informed
resource
allocation
targeted
interventions
control
protect
water
resources
by
utilizing
outputs
this
study.
Results in Engineering,
Год журнала:
2023,
Номер
21, С. 101712 - 101712
Опубликована: Дек. 30, 2023
The
current
worldwide
effects
of
soil
erosion
are
a
result
natural
and
human
activities,
it
had
serious
consequences
on
ecosystems,
agriculture,
water
quality
in
the
watershed.
As
result,
quantifying
physical
characteristics
watershed
can
be
used
to
identify
areas
that
more
susceptible
require
immediate
mitigation
measures.
This
study
prioritizes
fourteen
sub-watersheds
Dabus
Watershed,
Ethiopia
using
Geographical
Information
System
based
variety
parameters
for
implementing
short
long-term
effective
management
practices.
For
each
sub-watershed
(SW),
compound
parameter
was
calculated
from
different
morphometric
rank
areas.
findings
show
SW1,
SW7,
SW10
contributing
very
high
area
with
its
2390.75
km2,
2555.77
1642.71
km2
covering
area;
however,
SW2,
SW8,
SW9,
SW14
lowly
degraded
due
is
low.
Thus,
measures
such
as
contouring,
terracing,
filter
strips,
other
structural/non-structural
approaches
should
implemented
where
contributed.
Journal of Water and Climate Change,
Год журнала:
2024,
Номер
15(5), С. 2501 - 2517
Опубликована: Апрель 30, 2024
ABSTRACT
Morphometric
analysis
plays
a
crucial
role
in
the
effective
management
of
surface
as
well
subsurface
water
resources.
In
present
study,
ASTER
DEM
and
Survey
India
toposheets
were
utilized
to
characterize
various
morphological
aspects
Nandhour-Kalish
watershed
Uttarakhand,
India.
total,
12
sub-watersheds
determined
using
SWAT
2012
ArcGIS
v10.4.1
coded
SW1–SW12.
For
each
sub-watershed,
17
morphometric
indices
estimated
Principal
Component
Analysis
determine
most
influential
or
criteria
parameters
context
hydro-sedimentological
response.
The
relative
influence
identified
was
assessed
Criteria
Importance
for
Intercriteria
Correlation
(CRITIC)
method.
developed
then
prioritized
towards
prompt
implementation
soil
conservation
measures.
results
indicate
that
three
(SW2,
SW3,
SW4)
categorized
under
very
high
class
priority,
while
(SW1,
SW5,
SW6)
indexed
priority
class.
study
is
an
attempt
ease
out
morphometry-based
prioritization,
which
otherwise
relatively
complex
due
availability
large
number
input
ambiguity
concerning
parameter
selection
process
prioritization.
Heliyon,
Год журнала:
2024,
Номер
10(19), С. e38228 - e38228
Опубликована: Сен. 28, 2024
Preserving
water
and
soil
resources
ranks
among
the
top
priorities
outlined
in
national
strategy.
Indeed,
integrated
management
of
vulnerable
territories,
particularly
Morocco,
requires
a
deep
knowledge
hydrological
functioning
use
these
regions.
The
diverse
hydroclimatic
morphological
features
within
Ouljet
Es
Soltane
watershed,
which
is
sub-basin
extensive
Oued
Sebou
present
significant
challenges
managing
its
resources.
Identifying
areas
susceptible
to
erosion
crucial
for
implementing
preventive
measures
basin
ensuring
sustainable
development.
Morphometric
analysis
plays
an
important
role
effective
utilization
basin's
This
study
used
four
MCDM
models,
including
CF
(Compound
Factor),
VIKOR
(VIseKriterijumska
Optimizacija
I
Kompromisno
Resenje),
TOPSIS
(Technique
Order
Preference
by
Similarity
Ideal
Solution),
SAW
(Simple
Additive
Weighing),
prioritize
20
sub-watersheds
watershed.
Based
on
sub-watershed
prioritization
results
obtained
from
VIKOR,
TOPSIS,
16
achieved
scores
0,
0.59,
0.8,
respectively,
positioning
it
as
first
rank.
These
findings
highlight
that
exhibits
high
susceptibility
classified
one
most
terms
risk.
can
be
into
categories:
low,
moderate,
high,
very
high.
On
other
hand,
model
only
has
two
low
moderate
susceptibility.
Overall,
suggest
morphometric
parameters
are
highly
identifying
at
risk
erosion.
Furthermore,
methods
exhibit
greater
predictive
accuracy
compared
model.
comparison
models
involved
Spearman
correlation
coefficient
test
(SCCT).
this
provide
valuable
insights
making
informed
decisions
developing
framework
control
strategies.
