Environmental Advances,
Journal Year:
2024,
Volume and Issue:
16, P. 100548 - 100548
Published: May 22, 2024
Leachate
from
sanitary
landfill
and
dumpsites
have
potential
to
cause
soil
groundwater
contamination,
disrupt
ecosystems.
However,
there
is
little
information
about
dumpsite
leachates
geotechnical
properties
their
impacts
on
surface
in
Bono
region,
Ghana.
This
study
assessed
leachate,
of
the
soil,
quality
Sunyani.
Six
triplicate
leachates,
eleven
three
water
samples
were
taken
at
(up-stream,
mid-stream
down-stream)
urban
dumpsite,
eight
around
peri-urban
dumpsite.
Water
stored
(<4°C)
polyethylene
bottle
for
laboratory
analysis.
Physicochemical
leachate
analyzed
using
standard
methods.
Heavy
metals
(Cd,
Hg,
Pb,
Zn,
Cr,
Fe,
Cu,
Ni)
determined
atomic
absorption
spectroscopy.
index
(WQI)
pollution
loads
(LPL)
investigated,
while
plasticity
(Ip)
liquid
(Il)
Atterberg
limit
test.
The
results
showed
that
all
heavily
polluted
with
mean
concentrations
chlorides
ranged
between
(2830±220
63810±340),
biochemical
oxygen
demand
(358±36
820±80),
ammonium
ions
(82.8±2.2
267.6±62),
cadmium
(0.49±0.02
5.32±1.0);
(LPI)
LPL
exceeding
disposal
standards
(LDS>100).
WQI
6.51
289,
indicating
excellent
sources.
Surface
was
0.84
776.75,
majority
having
WQI>100.
located
75-155
m
away
Moderate
significant
negative
association
established
(WQI-P
WQI-H)
distance
multiple
R2=0.4709,
p=0.0191
R2=
0.4482,
p=0.02425
respectively.
Statistically,
strong
&
Ip
(p
<
0.05).
implies
when
sources
increased,
values
decreased,
improved.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
23, P. 102708 - 102708
Published: Aug. 9, 2024
Climate
change
has
a
negative
impact
on
the
basin's
hydrological
processes
and
water
resources.
In
this
study,
projected
impacts
of
climate
in
Omo
River
Basin
was
evaluated
under
two
Shared
Socioeconomic
Pathways
(SSP245
SSP585)
scenarios.
The
latest
Coupled
Model
Inter-comparison
Project
(CMIP6)
model
dataset
precipitation
temperature
were
used
to
assess
anticipated
basin.
SWAT
simulate
effects
throughout
baseline
(1990–2019),
near
(2031–2060),
far
future
(2071–2100)
periods.
predicted
stream
flow
will
increase
annually
monthly
June,
July,
August,
September
(JJAS)
both
scenarios
except
decrease
months
March,
April,
May
(MAM)
SSP245
scenario.
basin
mean
annual
seasonal
(JJAS
MAM)
surface
runoff
SSP585
scenarios;
however,
it
decreases
groundwater
decline
MAM
Likewise,
yield
scenario,
nevertheless,
increases
potential
evapotranspiration
with
over
all
circumstances.
There
be
significant
spatial
variations
balance
components
future.
results
study
essential
for
managing
resources
future,
creating
plans
coping
change,
reducing
risk
flooding
scarcity.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 24, 2024
Abstract
The
study
explores
the
spatial
distribution
and
trends
of
groundwater
pollutants
focusing
on
calcium
four
other
key
water
quality
parameters
in
Gurage
Zone,
Ethiopia,
2024.
It
uses
ArcGIS
geostatistical
analysis
tool
with
Kriging
algorithm
to
map
analyze
variability
contaminants.
primary
aim
is
identify
areas
high
levels
understand
patterns.
identifies
contamination
hotspots
associated
natural
processes
human
activities.
Twenty-seven
samples
were
collected
from
various
sites,
like
calcium,
total
dissolved
solids,
hardness,
conductivity,
alkalinity
measured.
findings
show
that
contaminants
varies
significantly
across
different
areas,
some
exceeding
safe
drinking
limits.
reveals
southern
region
has
highest
concentration,
shallow
local
boreholes.
deeper
wells
have
higher
conductivity.
trend
shows
increased
pollutant
along
X
Y
axes.
model
effectively
predicted
unsampled
offering
a
reliable
technique
aimed
at
monitoring.
provides
important
insights
for
authorities
implement
interventions
protection
Zone.
Environmental Advances,
Journal Year:
2024,
Volume and Issue:
16, P. 100548 - 100548
Published: May 22, 2024
Leachate
from
sanitary
landfill
and
dumpsites
have
potential
to
cause
soil
groundwater
contamination,
disrupt
ecosystems.
However,
there
is
little
information
about
dumpsite
leachates
geotechnical
properties
their
impacts
on
surface
in
Bono
region,
Ghana.
This
study
assessed
leachate,
of
the
soil,
quality
Sunyani.
Six
triplicate
leachates,
eleven
three
water
samples
were
taken
at
(up-stream,
mid-stream
down-stream)
urban
dumpsite,
eight
around
peri-urban
dumpsite.
Water
stored
(<4°C)
polyethylene
bottle
for
laboratory
analysis.
Physicochemical
leachate
analyzed
using
standard
methods.
Heavy
metals
(Cd,
Hg,
Pb,
Zn,
Cr,
Fe,
Cu,
Ni)
determined
atomic
absorption
spectroscopy.
index
(WQI)
pollution
loads
(LPL)
investigated,
while
plasticity
(Ip)
liquid
(Il)
Atterberg
limit
test.
The
results
showed
that
all
heavily
polluted
with
mean
concentrations
chlorides
ranged
between
(2830±220
63810±340),
biochemical
oxygen
demand
(358±36
820±80),
ammonium
ions
(82.8±2.2
267.6±62),
cadmium
(0.49±0.02
5.32±1.0);
(LPI)
LPL
exceeding
disposal
standards
(LDS>100).
WQI
6.51
289,
indicating
excellent
sources.
Surface
was
0.84
776.75,
majority
having
WQI>100.
located
75-155
m
away
Moderate
significant
negative
association
established
(WQI-P
WQI-H)
distance
multiple
R2=0.4709,
p=0.0191
R2=
0.4482,
p=0.02425
respectively.
Statistically,
strong
&
Ip
(p
<
0.05).
implies
when
sources
increased,
values
decreased,
improved.
