Hydrology and earth system sciences,
Journal Year:
2022,
Volume and Issue:
26(22), P. 5899 - 5916
Published: Nov. 25, 2022
Abstract.
Achieving
water
security
in
poorly
gauged
basins
is
critically
hindered
by
a
lack
of
situ
river
discharge
data
to
assess
past,
current,
and
future
evolution
resources.
To
overcome
this
challenge,
there
has
been
shift
toward
the
use
freely
available
satellite
reanalysis
products.
However,
due
inherent
bias
uncertainty,
these
secondary
sources
require
careful
evaluation
ascertain
their
performance
before
being
applied
basins.
The
objectives
study
were
evaluate
evapotranspiration
estimates
from
eight
gridded
resources
(WRR),
six
satellite-based
(ET)
products,
ET
derived
complimentary
relationship
(CR–ET)
across
located
Central–West
Africa.
Results
highlight
strengths
weaknesses
different
WRR
simulating
dynamics
Likewise,
products
also
show
some
strength
monthly
ET.
Our
results
further
revealed
that
models
strongly
influenced
model
structure,
input
data,
spatial
resolution.
Considering
all
hydrological
criteria,
FLDAS-Noah,
Lisflood,
AWRAL,
Terra
among
best
performing
while
for
estimates,
Terra,
GLEAM3.5a
3.5b,
PMLV2
outperformed
rest
Given
plethora
available,
it
imperative
representative
identify
can
be
each
region.
choice
particular
product
will
depend
on
application
user
requirements.
Taking
together,
suggest
are
useful
source
assessing
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(4)
Published: April 4, 2024
Abstract
This
paper
presents
a
digital
system
that
aims
to
analyze
real-time
data
obtained
from
sensors
installed
in
city's
water
distribution
infrastructure.
The
system’s
primary
objective
is
monitor
quality
and
generate
alerts
when
necessary.
following
metrics
are
used:
Flow,
pH,
Turbidity,
Free
Chlorine,
Nitrate,
Fluoride.
gathered
initially
processed
by
distributed
system,
which
generates
multiple
visualizations
synthesize
large
amounts
of
information.
These
facilitate
monitoring
the
sensor's
status.
Additionally,
citizens
can
receive
updates
on
any
possible
issues
network
through
WhatsApp
messages.
By
addressing
limitations
traditional
methods,
this
contributes
noteworthy
enhancement
public
supply
services.
Consequently,
it
improves
overall
life
for
citizens.
Water Policy,
Journal Year:
2022,
Volume and Issue:
24(4), P. 608 - 625
Published: April 1, 2022
Abstract
The
objectives
of
this
study
are
two
fold:
first,
to
develop
a
composite
water
security
metric
assess
at
national
scale,
and
second,
explore
the
determinants
same
scale
in
three
developing
regions
–
Africa,
Asia-Pacific
Latin
America
Caribbean
(LAC).
index
(WSI)
was
developed
using
biophysical
(water
availability,
climate
risk
ecosystem
vitality)
socioeconomic
accessibility
integrated
resources
management)
variables.
Five
independent
variables
(governance,
gross
domestic
product
(GDP)
per
capita,
percentage
urban
population,
official
development
assistance
for
sanitation
services
(ODA-WSS)
female
primary
school
completion
rate)
were
used
security.
Results
show
that
>90%
countries
Africa
water-insecure,
whereas
most
LAC
water-secure
except
Haiti,
Guatemala
Nicaragua.
Statistical
analyses
GDP
rate
governance
key
This
provides
empirical
evidence
on
link
between
further
strong
correlation
ODA-WSS
region
with
higher
capita
than
low
capita.
suggests
increasing
may
enhance
regions.
Water,
Journal Year:
2024,
Volume and Issue:
16(22), P. 3221 - 3221
Published: Nov. 9, 2024
Smallholder
farmers
in
South
Africa
face
issues
related
to
water
shortages
and
poor
irrigation
management.
This
study
investigated
barriers
improving
water-use
efficiency
(WUE)
smallholder
production
practices
Numbi,
Africa.
The
objectives
were
identify
redesigning
for
higher
agricultural
productivity
analyze
the
relationship
between
supply
adoption
of
WUE
methods.
From
a
population
7696
people,
141
sampled
using
simple
random
sampling
technique
through
Taro
Yamane’s
sample
size
formula.
data
analyzed
Pearson’s
correlation
coefficient
descriptive
statistics.
Unreliable
(M
=
3.78,
SD
0.85),
soil
retention
lack
water-efficient
systems
3.91,
0.71),
storage
facilities
3.85,
0.93),
limited
access
credit
4.09,
income
instability
due
market
fluctuations
3.96,
0.91),
inadequate
knowledge
management
4.00,
0.84),
harsh
climatic
factors
identified.
A
positive
(r
0.339,
n
141,
p
<
0.001)
source
techniques
was
evident,
indicating
that
had
an
insignificant
impact
on
Resolving
these
requires
holistic
approach
focusing
investments
infrastructure
targeted
education
initiatives
by
extension
agents
other
stakeholders,
as
this
can
enhance
productivity.
Hydrology and earth system sciences,
Journal Year:
2022,
Volume and Issue:
26(22), P. 5899 - 5916
Published: Nov. 25, 2022
Abstract.
Achieving
water
security
in
poorly
gauged
basins
is
critically
hindered
by
a
lack
of
situ
river
discharge
data
to
assess
past,
current,
and
future
evolution
resources.
To
overcome
this
challenge,
there
has
been
shift
toward
the
use
freely
available
satellite
reanalysis
products.
However,
due
inherent
bias
uncertainty,
these
secondary
sources
require
careful
evaluation
ascertain
their
performance
before
being
applied
basins.
The
objectives
study
were
evaluate
evapotranspiration
estimates
from
eight
gridded
resources
(WRR),
six
satellite-based
(ET)
products,
ET
derived
complimentary
relationship
(CR–ET)
across
located
Central–West
Africa.
Results
highlight
strengths
weaknesses
different
WRR
simulating
dynamics
Likewise,
products
also
show
some
strength
monthly
ET.
Our
results
further
revealed
that
models
strongly
influenced
model
structure,
input
data,
spatial
resolution.
Considering
all
hydrological
criteria,
FLDAS-Noah,
Lisflood,
AWRAL,
Terra
among
best
performing
while
for
estimates,
Terra,
GLEAM3.5a
3.5b,
PMLV2
outperformed
rest
Given
plethora
available,
it
imperative
representative
identify
can
be
each
region.
choice
particular
product
will
depend
on
application
user
requirements.
Taking
together,
suggest
are
useful
source
assessing
