Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Окт. 10, 2023
Abstract
This
study
aimed
to
conduct
a
cost-benefit
analysis
of
an
innovative
large-scale
treated
wastewater
reuse
for
indirect
groundwater
recharge
project
that
was
implemented
in
the
Kolar
district
Southern
India.
The
cost
and
agricultural
benefits
were
obtained
from
various
government
organizations.
results
indicate
considerable
increase
cropped
land
area
productivity
after
recycling
period.
assured
supply
water
resulted
significant
improvements
area,
cropping
intensities,
leading
higher
revenues.
Additionally,
there
boost
milk
collection
related
revenues,
as
well
6-fold
silk
cocoon
production.
Year-round
filled
tanks
>
25-fold
fish
production,
Furthermore,
had
positive
impact
on
employment
opportunities,
promoting
sustainability,
local
economy,
environmental
responsibility.
confirmed
project's
exceeded
costs,
with
net
present
value
₹40,100
million
rupees
@
5%
₹27,103
@8%
interest
rates
fixed
capital
cost,
benefit-cost
ratio
5.30
(@
5%)
4.26
8%).
could
significantly
enhance
agro-economic
system
ensure
food
security
circular
economy.
Environmental Health Insights,
Год журнала:
2024,
Номер
18
Опубликована: Янв. 1, 2024
Underground
water
quality
can
be
affected
by
natural
or
human-made
influences.
This
study
investigates
how
the
management
and
characteristics
of
hand-dug
wells
impact
in
3
suburbs
Kumasi,
Ghana,
using
a
combination
qualitative
quantitative
research
methods.
Descriptive
analysis,
including
frequency
percentages,
depicted
demographic
profiles
respondents.
Box
plot
diagrams
illustrated
distribution
physicochemical
parameters
(Total
Dissolved
Solid
[TDS],
Electrical
Conductivity
[EC],
Turbidity,
Oxygen
[DO],
Temperature).
Factor
analysis
evaluated
dominant
factors
among
these
parameters.
Cluster
(hierarchical
clustering)
utilized
sampling
points
as
variables
to
establish
spatial
variations
Cramer’s
V
correlation
test
explored
relationships
between
individual
perceptions
management.
One-way
ANOVA
verified
significant
mean
differences
Logistic
regression
models
assessed
influence
selected
well
features
(e.g.,
cover
apron)
on
TDS,
pH,
Temperature,
DO.
The
findings
revealed
that
proximity
human
settlements
affects
quality,
increasing
turbidity
is
associated
with
unmaintained
covers,
significantly
impacting
(
P
<
.05).
Over
80%
were
located
within
10
30
m
pollution
sources,
65.63%
situated
lower
ground
87.5%
being
unmaintained.
Other
contamination
sources
included
plastic
bucket/rope
usage
(87.50%),
defective
linings
(75%),
apron
fissures
(59.37%).
Presence
E.
coli,
Total
coliform,
Faecal
coliform
rendered
unpotable.
attributed
90.85%
time-based
organic
particle
decomposition
factors.
However,
found
establishing
association
factor
associations
difficult.
It
encouraged
promote
construction
maintenance
standards
ensure
are
properly
built
protected
from
sources.
