Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Дек. 19, 2022
Abstract
The
demand
for
and
investigation
of
groundwater
are
occasionally
increased
by
the
ever-increasing
population
abrupt
climatic
changes.
To
delineate
potential
(GWP)
zones
in
Lower
Omo-Gibe
Watershed,
Basin,
Ethiopia,
an
integrated
strategy
remote
sensing
(RS),
geographic
information
systems
(GIS),
multi-criteria
decision
analysis
(MCDA)
using
analytical
hierarchical
process
(AHP)
was
used.
For
this
purpose,
seven
GWP
influencing
thematic
layers
comprising
lineament
density,
slope,
soil,
drainage
landuse
landcover,
geology
elevation
map
were
Scale
values
classes
within
them
determined
Satty's
AHP
based
on
expert
literary
judgment.
have
been
via
their
weights/rates
weighted
overlay
spatial
function
tool
ArcGIS
to
provide
map.
result
shows
that
comprises
very
good
(13.79%),
(40.68%),
moderate
(27.06%)
fair
(18.45%)
zones.
Heliyon,
Год журнала:
2023,
Номер
9(6), С. e17616 - e17616
Опубликована: Июнь 1, 2023
Groundwater
supplies
have
been
exploited
because
of
global
water
shortage.
Therefore,
effective
management
resources
is
crucial.
Identifying
potential
groundwater
regions
in
arid
and
mountainous
terrains
challenging
for
many
developing
nations
a
lack
financial
human
resources.
An
integrated
strategy
using
remote
sensing,
geographic
information
systems,
multi-criteria
decision
analysis
the
hierarchical
analytical
process
was
used
to
identify
zones
Gulufa
Watershed,
Blue
Nile
River
Basin,
Ethiopia,
which
covers
1700
km2.
Nine
groundwater-influencing
thematic
layers
were
produced
from
conventional
satellite
data,
including
lineament
density,
lithology,
slope,
geomorphology,
soil,
land
use/land
cover,
drainage
rainfall,
elevation.
Satty
scale
values
their
classes
determined
based
on
experts'
opinions
literature.
Thematic
maps
weights
rates
produce
zone
map
ArcGIS
weighted
overlay
spatial
function
tool.
According
results,
prospect
consists
383
km2
very
high,
865
350
moderate,
58
low,
0.3
poor
zones.
Validation
existing
boreholes
yielded
close
agreement,
demonstrating
method's
accuracy.
removal
sensitivity
more
sensitive
lithology
than
other
layers.
The
created
research
region
can
be
an
essential
reference
identifying
locations
additional
resource
exploration,
planning,
management.
Indian Journal of Ecology,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 1, 2024
This
study
focused
on
validation
of
derived
groundwater
potential
zones
(GPZ)
map
from
well
yield
data
using
the
Agreement
Scheme
approach
in
Ken
River
Basin
with
help
geoinformatics.Total
100
random
points
were
generated
over
classified
GPZ
area.Information
regarding
different
extracted
for
each
point.Then,
theses
imported
to
Bhujal-Bhuvan
Portal
ISRO.In
this
portal,
"Ground
Water
Prospects"
represents
depth
and
ranges,
which
is
developed
by
Rajiv
Gandhi
National
Drinking
Mission
Project
collaboration
CGWB
NRSC,
Hyderabad.In
order
validate
map,
was
into
five
classes
namely,
Very
Poor
(<
50
LPM),
(50-100
Moderate
(100-200
Good
(200-400
(>
400
LPM).After
that,
superimposed
Ground
Prospects
data.The
accuracy
cross-validated
agreement
scheme.The
overall
about
84%,
shows
a
very
good
correlation
between
yield.It
proves
that
applied
provided
significant
reliable
outcomes
present
study,
allowing
decision
makers
create
an
effective
plan.
Heliyon,
Год журнала:
2022,
Номер
8(10), С. e10760 - e10760
Опубликована: Сен. 26, 2022
Management
of
groundwater
systems
is
indispensable
to
countries
that
depend
on
as
the
primary
source
community
water
supply
(e.g.
Dodoma,
Tanzania).
Urbanization
and
industrialization
lead
over-pumping
reduced
recharge
zones
in
basin.
This
study
used
Remote
Sensing
geospatial
datasets
determine
(GWRZ)
followed
by
sensitivity
analysis
identify
influence
geologic
hydrologic
factors
variation
GWRZ
case
Makutupora
basin,
Tanzania.
The
implementation
weighted
overlay
aimed
using
different
thematic
maps
created
from
land
use
cover
(LULC),
drainage
density,
lithology,
lineament
rainfall,
slope
soil
datasets.
analytical
hierarchy
process
(AHP)
multi-influencing
factor
(MIF)
are
multi-criteria
decision
(MCDA)
implemented
assign
weights
selected
influencing
factors.
Either,
map
removal
method
was
for
analysis.
Pumping
wells
were
overlaid
validate
determined.
seven
resulted
being
categorized
good
(35.79%
AHP
21.68%
MIF),
moderate
(40.98%
58.39%
MIF)
poor
(23.22%
19.95%
MIF).
Good
potential
areas
lie
an
area
characterized
thick
forest,
high
bodies
around
northwestern
central-eastern
side
Validation
indicated
33.33%
30%
MIF
GWRZ,
41.6%
28%
25%
42%
GWRZ.
revealed
effect
LULC,
lithology
layer
both
MIF-generated
maps.
implies
expansion
settlements
not
considering
zone
protection.
Lineaments
also
a
very
important
governing
which
needs
be
protected.
result
displays
urbanization
dramatically
recharge.
Protecting
any
activity
reduces
vital
sustainability
groundwater.
Remote Sensing,
Год журнала:
2023,
Номер
15(15), С. 3873 - 3873
Опубликована: Авг. 4, 2023
The
Gannan
region
is
situated
in
Ganzhou
City,
Jiangxi
Province,
China,
and
has
a
complicated
geological
background.
Seasonal
droughts
significantly
jeopardize
the
water
security
of
local
population.
Groundwater
essential
to
alleviate
region’s
needs.
In
this
research,
groundwater
potential
(GWP)
was
assessed
using
Soil
Water
Assessment
Tool
(SWAT)
Analytical
Hierarchical
Process
(AHP).
recharge
rainfall
estimated
by
SWAT
model
exhibited
notable
inconsistencies
regarding
their
spatial
distribution.
Eight
assessment
factors
(lithology,
fault
density,
land
use,
slope,
convergence
index,
drainage
rainfall,
recharge)
were
constructed
integrating
remote
sensing,
geological,
output
data.
Two
GWP
maps
an
overlay
analysis
based
on
obtained
weights
AHP,
with
assigned
same
weight
calculate
other
six
separately.
Each
map
split
into
five
classes:
excellent,
good,
moderate,
poor,
very
poor.
Data
from
23
wells
42
springs
collected
validate
two
correlation
between
flow
rates
springs.
result
indicates
that
calculated
(R2
=
0.8
0.74,
respectively)
more
accurate
than
0.21
0.48,
can
provide
theoretical
basis
for
management
exploration
area.
Water Science & Technology Water Supply,
Год журнала:
2023,
Номер
23(9), С. 3805 - 3818
Опубликована: Авг. 24, 2023
Abstract
In
uneven
terrain
regions,
the
water
tank
location
plays
a
significant
role
in
pressure
distribution
and
economical
pipe
sizes
system.
This
study
aimed
to
determine
suitable
locations
by
analytical
hierarchy
process
(AHP)
geographical
information
system
(GIS).
Factors
such
as
elevation,
slope,
population,
land
use
cover,
distance
road
are
considered
for
this
analysis.
Thematic
maps
created
ArcGIS
weights
determined
using
AHP
method.
From
weighted
overlay
analysis,
result
shows
that
15.59,
52.36,
31.31,
0.63%
of
areas
suitable,
moderately
least
unsuitable,
respectively.
Since
area
has
an
elevation
range
27–87
m,
it
is
divided
into
three
zones.
An
unsuitable
falls
only
under
one
zone;
therefore,
results
tested
EPANET
locating
tanks
locations.
Locating
reduces
size
pipes
economically
maintains
successfully
while
creates
negative
increases
size.
helps
designers
obtain
effective
design
network
evaluating
