GIS-based spatio-temporal analysis of rainfall trends under climate change in different agro-ecological zones of Wolaita zone, south Ethiopia
Heliyon,
Год журнала:
2024,
Номер
10(13), С. e33235 - e33235
Опубликована: Июнь 19, 2024
Understanding
the
spatiotemporal
dynamics
of
climatic
conditions
within
a
region
is
paramount
for
informed
rural
planning
and
decision-making
processes,
particularly
in
light
prevailing
challenges
posed
by
climate
change
variability.
This
study
undertook
an
assessment
spatial
temporal
patterns
rainfall
trends
across
various
agro-ecological
zones
(AEZs)
Wolaita,
utilizing
data
collected
from
ten
strategically
positioned
rain
gauge
stations.
The
detection
their
magnitudes
was
facilitated
through
application
Mann–Kendall
(MKs)
test
conjunction
with
Sen's
slope
estimator.
Spatial
variability
were
further
analyzed
ArcGIS10.8
environment
XLSTAT
R
programming
tools.
outcomes
derived
ordinary
kriging
analyses
unveiled
notable
disparities
coefficient
(CV)
mean
annual
distinct
AEZs.
Specifically,
observations
indicated
that
lowland
regions
exhibit
relatively
warmer
climates
lower
precipitation
levels
compared
to
highland
counterparts.
Within
AEZs,
majority
stations
showcased
statistically
non-significant
positive
(p
>
0.05)
rainfall,
whereas
approximately
two-thirds
midland
AEZ
depicted
negative
trends.
Conversely,
over
half
situated
AEZs
displayed
rainfall.
During
rainy
season,
experienced
higher
levels,
while
south-central
areas
received
moderate
amount
In
contrast,
northeast
southeast
consistently
diminished
all
seasons
other
regions.
underscores
necessity
resilient
development
implementation
spatiotemporally
interventions
implementing
region-specific
adaptation
strategies,
such
as
water
conservation
measures
crop
diversification,
mitigate
potential
impact
changing
on
agricultural
productivity
Wolaita.
Язык: Английский
Spatio-temporal rainfall variability and trends using a Kriging-interpolation and Innovative trend analysis approach: the case of Wolaita zone, south Ethiopia
Discover Sustainability,
Год журнала:
2024,
Номер
5(1)
Опубликована: Дек. 18, 2024
Язык: Английский
Climate change perceptions and adaptation by Sebei pastoralists in Mount Elgon, Uganda: a qualitative survey
Journal of Ethnobiology and Ethnomedicine,
Год журнала:
2024,
Номер
20(1)
Опубликована: Дек. 2, 2024
Pastoralists'
sedentarisation
and
agriculturalisation
might
increase
their
vulnerability
to
climate
change
impacts,
but
few
studies
have
investigated
if
this
is
the
case
in
mountain
areas.
In
Uganda,
little
known
about
how
Sebei
pastoralists
perceived
adapted
such
changes.
This
study
sought
establish
perspectives
of
on
terms
its
occurrence
impacts
as
well
access
livelihood
assets
or
opportunities
withstand
challenges.
was
conducted
Mount
Elgon
areas
Uganda.
A
cross-sectional
design
employed
using
qualitative
approaches.
Data
were
collected
focus-group
discussions
with
men
women
village
elders
assess
perceptions
regarding
climatic
changes,
adaption
strategies
used.
analysed
thematic
content
analysis
All
analyses
done
NVivo
version
14.
Respondents
reported
changes
amount
distribution
rainfall,
fog
temperatures,
negative
fodder
availability,
milk
production
pests
diseases.
Study
participants
mentioned
several
adaptation
regard
animal
rearing,
crop
farming
diversification.
Among
others,
reduced
herd
size,
migrated
longer
distances,
stored
wild
grass,
used
residues
feed
increased
'self-medication'
cattle.
Access
funds,
markets
technical
advice
main
barriers
identified.
Institutional
support—now
only
focused
improved
breeds—should
consider
multiple
by
pastoralists,
constraints
they
highlighted,
including
need
for
mutual
learning
space.
Язык: Английский