Water,
Год журнала:
2024,
Номер
16(13), С. 1789 - 1789
Опубликована: Июнь 25, 2024
Rainwater
collection
systems
play
a
crucial
role
in
enhancing
water
availability
regions
with
low
precipitation.
This
study
focused
on
identifying
potential
rainwater
harvesting
(RWH)
locations
drought-prone
areas,
specifically
the
Borena
zone
of
Oromia
and
regional
states
Somali.
research
leveraged
geospatial
techniques
multi-criteria
decision
analysis
(MCDA)
to
assess
feasible
RWH
sites.
The
dataset
comprises
essential
factors
such
as
rainfall,
drainage
density,
slope,
soil
texture
type,
land
use/land
cover.
These
thematic
layers
serve
inputs
for
analysis,
each
factor
being
weighted
using
Analytical
Hierarchy
Process
(AHP)
method
based
its
significance.
Reclassifying
into
subclasses
facilitates
suitability
analysis.
linear
combination
(WLC)
technique
is
applied
identify
prioritize
(PRWH)
four
classes:
highly
suitable,
moderately
suitability,
unsuitable.
Our
findings
reveal
that
1%
area,
covering
approximately
3288
km2,
suitable
RWH.
Areas
moderate
constitute
12%
(37,498
km2),
while
representing
majority,
encompass
about
75%
(242,170
km2).
Additionally,
13%
(41,000
km2)
area
deemed
unsuitable
proposed
sites
adaptable
other
low-precipitation
regions.
However,
before
implementing
structures,
further
imperative.
exploration
socioeconomic
variables
future
urged
an
in-depth
examination
various
aspects
environmental
sustainability.
paves
way
adapting
align
community
needs
life
cycles
also
exploring
socio-economic
dimensions
sustainability
study.
insights
offer
promising
solutions
address
urgent
issues
associated
scarcity.
should
include
comprehensive
site
depictions,
social
economic
activities,
meticulous
preparation
cost-benefit
Processes,
Год журнала:
2025,
Номер
13(1), С. 164 - 164
Опубликована: Янв. 9, 2025
Large-scale
renewable
energy
plants
such
as
solar
photovoltaic
(PV)
farms
are
vital
to
the
global
transition
a
green
economy.
They
reduce
greenhouse
gas
emissions,
mitigate
climate
change,
and
promote
sustainable
resilient
energy.
However,
large-scale
PV
need
adequate
planning
site
selection
for
optimal
performance.
This
study
presents
geographic
information
system
(GIS)-based
multi-criteria
decision-making
(MCDM)
framework
utilizing
analytic
hierarchy
process
(AHP)
identify
sites
utility-scale
in
Ikorodu,
Lagos
State,
Nigeria.
By
integrating
critical
environmental,
technical,
economic,
social
factors,
model
evaluates
land
suitability
projects
across
area.
The
finding
indicates
that
68.77%
of
is
unsuitable
development,
with
only
17.78%
classified
highly
suitable
12.67%
moderately
suitable.
Marginally
most
appropriate
areas
minimal,
at
0.73%
0.04%,
respectively.
provides
replicable
approach
stakeholders
policymakers
aiming
implement
solutions,
aligning
national
targets.
Future
research
could
integrate
dynamic
factors
community
engagement,
use
changes,
evolving
environmental
policies
enhance
models.
offers
valuable
insights
into
contributes
advancing
Nigeria’s
systems.
Hydrology,
Год журнала:
2025,
Номер
12(1), С. 17 - 17
Опубликована: Янв. 15, 2025
With
the
increasing
frequency
of
floods
in
recent
decades,
particularly
West
Africa,
many
regions
have
faced
unusual
and
recurrent
flooding
events.
Communities
flood-prone
areas
experience
heightened
insecurity,
loss
property,
and,
some
cases,
serious
injuries
or
fatalities.
Consequently,
flood
risk
assessment
mitigation
become
essential.
This
comparative
study
between
Niamey
Lokoja
employs
Geographic
Information
Systems
(GIS)
Analytical
Hierarchy
Process
(AHP)
to
delineate
susceptibility,
vulnerability,
zones.
The
utilized
a
comprehensive
range
thematic
layers,
with
weight
percentages
assigned
each
parameter
as
follows:
29%
for
elevation,
24%
slope,
15%
Topographic
Wetness
Index
(TWI),
9%
drainage
density,
distance
from
rivers,
4%
both
precipitation
Normalized
Difference
Water
(NDWI),
2%
Vegetation
(NDVI)
soil
type.
To
validate
these
weightings,
consistency
ratio
was
calculated,
ensuring
it
remained
below
10%.
findings
reveal
that
32%
area
is
at
flooding,
compared
approximately
Lokoja.
results
highlight
very
high
potential,
near
Niger
River,
this
potential
decreasing
elevation
increases.
Given
current
prevalence
extreme
weather
events
crucial
employ
effective
tools
mitigate
their
adverse
impacts.
research
will
assist
decision-makers
quantifying
spatial
vulnerability
developing
strategies
region.
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(15), С. 23193 - 23210
Опубликована: Фев. 28, 2024
Abstract
Floating
photovoltaics
(FPVs)
are
appearing
as
a
promising
and
an
alternative
renewable
energy
opinion
in
which
PV
panels
mounted
on
floating
platforms
order
to
produce
electricity
from
water
such
seas,
dams,
rivers,
oceans,
canals,
fish
farms,
reservoirs.
So
far,
studies
related
the
body
knowledge
financial,
technical,
environmental
aspects
of
installation
FPV
have
not
been
performed
Turkey
while
expanding
steadily
other
countries.
In
this
study,
suitable
site
selection
for
power
plants
three
lakes
was
studied
by
performing
geographic
information
system
(GIS)
fuzzy
analytic
hierarchy
process
(FAHP)
multi-criteria
decision-making
(MCDM)
method.
This
detailed
study
revealed
that
criterion
global
horizontal
irradiance
(GHI)
determined
most
crucial
Beysehir
Lake,
Lake
Tuz,
Van
Lake.
Additionally,
it
clearly
seen
had
highest
value
approximately
52%
among
installation,
is
why
selected
best
option
with
approach.
Energy Sustainable Development/Energy for sustainable development,
Год журнала:
2024,
Номер
81, С. 101511 - 101511
Опубликована: Июль 20, 2024
Solar
photovoltaic
(PV)
technology
stands
out
as
a
cornerstone
in
Bangladesh's
journey
towards
achieving
net-zero
emissions,
representing
crucial
building
block
the
country's
sustainable
energy
transition
plan.
However,
rapid
land
use
change
and
lack
of
suitable
for
developing
PV
pose
significant
barriers
to
renewable
targets
decarbonisation
goals
transition.
Our
analysis
predevelopment
state
ten
existing
solar
plants
Bangladesh
reveals
substantial
scarce
agricultural
their
establishment.
Therefore,
identify
pathways
overcoming
challenges,
this
study
reassesses
geographic
technical
potential
using
geospatial
modelling
by
considering
local
contexts.
investigation
encompasses
Rooftop
(RPV),
Ground-mounted
(GPV),
Floating
(FPV),
Agrivoltaic
(APV)
systems.
To
areas
quantify
potential,
we
employ
comprehensive
exclusion
model
system-specific
suitability
models
QGIS
platform.
Utilising
latest
spatial
datasets,
including
footprint
data
comprising
approximately
20
million
buildings,
10
metre
(m)
resolution
cover
map,
bathymetry
data,
our
provides
robust
analysis.
The
results
present
holistic
view
estimating
about
30
GWp
RPV,
9
GPV,
5
FPV,
81
APV
applications.
Given
escalating
urbanisation
Bangladesh,
findings
recommend
diversifying
deployment
with
focus
on
RPV
other
systems
that
offer
dual
facilitate
smoother
development.
