Civil Engineering Journal,
Journal Year:
2022,
Volume and Issue:
8(5), P. 910 - 925
Published: May 1, 2022
Groundwater
constitutes
99%
of
all
liquid
freshwater
globally
that
is
available
for
human
use.
levels
in
the
Nairobi
aquifer
system
(NAS)
have
been
declining
over
time
because
excessive
abstraction
fueled
by
increased
water
demand.
This
has
cost
pumping
and
drilling
boreholes,
which
unsustainable.
The
objective
this
study
to
determine
effect
recharge
on
groundwater
using
a
more
realistic
approach
estimating
SWAT
model
while
considering
climatic
data,
soil
type,
land
use/cover,
topography.
Recharge
obtained
from
was
applied
MODFLOW
system.
Results
showed
average
annual
73
mm,
about
9.7%
precipitation.
decreased
with
an
increase
decrease
vice
versa.
will
76
m
year
2063
if
rate
kept
constant
maintained,
14m
2030
trend
continues
constant.
should
be
regulated
according
enhanced
avoid
possible
depletion
groundwater.
Doi:
10.28991/CEJ-2022-08-05-05
Full
Text:
PDF
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
155, P. 110926 - 110926
Published: Sept. 18, 2023
Changes
in
land
use/land
cover
(LULC)
can
impact
water
yield
(WY)
by
altering
the
structural
layout
and
functions
of
terrestrial
ecosystems.
Therefore,
to
ensure
regional
economic
ecosystem
sustainability,
it
is
critical
investigate
correlation
between
LULC
change
WY.
The
GMOP-PLUS-InVEST
(GPI)
coupling
model
based
on
gray
multi-objective
optimization
model,
patch-generating
use
simulation
integrated
valuation
services
trade-offs
was
used
this
study.
Establishing
three
different
scenarios:
business
as
usual
(BAU),
development
scenario
(ED),
ecological
conservation
(EC)
predict
distribution
pattern
Nansi
Lake
Basin
(NLB)
2035,
obtain
WY
from
2000
2035.
Getis-Ord
Gi*
Anselin
Local
Moran's
I
were
spatial–temporal
features
at
grid
scale.
results
indicated
that:
(1)
dominant
types
NLB
farmland
construction
land.
primary
transfer
trend
encroaching
due
acceleration
urbanization
process
policy
intervention.
(2)
2035
showed
that
BAU
had
a
continuous
for
nearly
20
years;
Under
ED,
intensity
encroachment
accelerating;
EC,
an
apparent
increase
proportion
could
be
seen,
contradiction
eased,
which
expected
more
line
with
planning
objectives.
(3)
significant
effect
From
continued
increase,
under
scenarios
ED
>
EC
BAU.
Spatially
always
high
value
south
west
NLB.
GPI
service
evaluation,
providing
ideas
rational
future
LULC.
Research
have
reference
significance
formulation
policies
protection
restoration
environment
Geomatics Natural Hazards and Risk,
Journal Year:
2023,
Volume and Issue:
14(1), P. 1 - 25
Published: Jan. 20, 2023
The
current
study
analyzed
the
impact
of
Land
Use
Cover
(LULC)
change
on
streamflow
and
surface
water
availability
in
Akaki
catchment
Awash
Basin,
Ethiopia.
Soil
Water
Assessment
Tool
(SWAT)
Climatic
Balance
(CWB)
models
were
used.
SWAT
model
calibrated
validated
daily
streamflow.
results
indicated
that
from
1993
to
2016,
built-up
barren
land
areas
increased
by
5.3%
3.4%,
respectively.
over-simulated
peak
flows
best
simulated
medium
low
flows.
Based
streamflow,
runoff
was
236.01
mm
272.59
under
2016
LULC
scenarios.
total
yield
366.7
382.01
for
scenarios,
seasonal
CWB
depicted
decreasing
trend
except
Tsedey
(SON)
season.
study's
findings,
since
enhanced
catchment,
proactive
flood
management
is
recommended
reduce
hazard
life
property.
Journal of Agriculture and Food Research,
Journal Year:
2023,
Volume and Issue:
12, P. 100535 - 100535
Published: Feb. 24, 2023
Population
and
economic
growth,
the
consequent
increase
in
food
demands
have
put
great
pressures
on
environmental
resources
they
are
driving
rapid
LULC
changes.
This
study
is
aimed
to
examine
impacts
of
land
use/land
cover
changes
hydrology
Upper
Gilgel
Abay
watershed.
Landsat
images
(Landsat
5
TM
1986,
ETM+
2003,
8
OLI-TIRS
2021)
were
categorized
into
classes
following
supervised
image
classification
technique,
Soil
Water
Assessment
Tool
(SWAT)
model
was
used
evaluate
hydrological
The
result
analysis
revealed
an
cultivated
(11.7%)
a
decrease
forest
(39.6%),
shrubland
(17.5%),
grassland
(5.6%),
water
bodies
(25%)
during
1986–2003
periods.
On
other
hand,
between
2003
2021
periods,
land,
decreased
while
woodland
grew
up.
Consequent
taking
place
1986
surface
runoff
(6%)
yield
(1.8%)
increased,
but
groundwater
flow
(37.9),
lateral
(4.1),
soil
(1.85),
evapotranspiration
(2.2%)
at
watershed-scale.
In
contrast,
average
watershed
time
scales,
flow,
water,
owing
growth
decline
land.
also
indicated
sub-watershed
scales.
change
status
components
2003–2021
periods
different
compared
with
findings
scale.
suggests
improvements
vegetation
covers
reduce
content
area
particular
Ethiopian
Highlands
general.
Climate Services,
Journal Year:
2023,
Volume and Issue:
30, P. 100388 - 100388
Published: April 1, 2023
Climate
change
is
one
of
the
most
important
factors
impacting
hydrological
regimes.
In
this
paper,
climate
impact
on
streamflow
Loukkos
basin
(northwestern
Morocco)
evaluated
using
SWAT
model
for
three
future
periods:
near
(2021–2040),
mid
(2041–2070),
and
far
(2071–2100),
compared
to
baseline
1981–2020.
A
set
bias-corrected
models
was
used:
five
regional
(EURO-CORDEX),
four
global
(CMIP6)
their
ensemble
mean,
under
two
representative
concentration
pathways
respectively
(RCP
4.5;
RCP
8.5)
(SSP2-4.5;
SSP5-8.5).
Furthermore,
SUFI-2
algorithm
in
SWAT-CUP
performed
calibrate
(1981–1997),
validate
(1998–2015),
analyze
uncertainty
each
dataset
at
ten
stations.
stations,
statistical
performance
indicated
a
good
simulation,
with
Nash–Sutcliffe
efficiency
(NSE)
greater
than
0.77
percent
bias
(PBIAS)
within
±10%
monthly
basis.
Overall,
82%
that
could
decline
streamflow.
The
largest
decrease
would
be
2071–2100
8.5/SSP5-8.5.
Our
findings
help
planners
policymakers
developing
reasonable
water
management
policies
adaptation
measures.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
922, P. 171185 - 171185
Published: Feb. 24, 2024
Balancing
supply
and
demand
in
Nature-based
Recreation
(NbR)
has
the
potential
to
yield
co-benefits
across
multiple
Ecosystem
Services
(ES),
helping
make
tourism
activities
more
sustainable.
However,
a
comprehensive
understanding
of
supply-demand
mismatches
NbR
is
challenging
due
complex
interaction
among
various
social,
economic
ecological
factors.
This
paper
investigates
provide
insights
for
informing
spatial
regional
planning
achieve
sustainable
tourism.
To
this
end,
uses
wide
range
indicators
such
as
biophysical
attributes,
accessibility
social
map
assess
demand,
followed
by
application
statistics
analyse
mismatches.
Cluster
analysis
was
performed
based
on
relationship
identify
typology
ES
study
area
north
Iran.
The
proposes
an
innovative
recreation
bundles
with
implications
region
marked
hot
spot
generated
five
differing
recreational
opportunities.
Bundles
1
2,
characterized
surplus
substantial
value,
are
suitable
camping,
hiking,
climbing,
birdwatching.
In
contrast,
bundle
4
5
associated
urban
centres,
experience
deficit,
making
them
less
NbR.
Bundle
3,
mixture
natural
productive
lands,
plays
important
role
maintaining
balanced
state.
holds
diverse
forms
tourism,
including
rural
agricultural
farm
tours
life
experiences.
Based
findings,
provides
valuable
proposing
targeted
strategies
sustainably
manage
activities.
