Sustainability,
Год журнала:
2024,
Номер
16(24), С. 10794 - 10794
Опубликована: Дек. 10, 2024
Urbanization
increases
the
number
of
impervious
surfaces
in
watersheds,
reducing
infiltration
and
evapotranspiration,
which
runoff
volumes
risks
flooding
pollution
water
resources.
Nature-based
solutions
(NBS)
mitigate
these
effects
by
managing
volume
quality,
restoring
hydrological
cycle,
creating
sustainable
livelihoods
that
can
promote
socioeconomic
equity
providing
green
space.
In
light
aforementioned
information,
this
study
analyzes
response
NBS
La
Guapil,
a
densely
populated
socioeconomically
vulnerable
area
Costa
Rica
with
approximately
80%
surfaces,
focusing
on
their
effectiveness
stormwater
management
improving
conditions.
Field
data
from
area’s
storm
drainage
system,
as
well
analyses,
were
collected
processed
to
evaluate
RCP8.5
climate
change
scenarios
using
Clausius–Clapeyron
(CC)
relationship.
Three
proposed:
(1)
“status
quo”,
reflecting
current
conditions,
(2)
roofs
improvements,
(3)
detention
ponds
evaluated
SWMM,
latter
scenario
also
Iber
model.
Simulations
showed
Scenario
2
achieved
greatest
reduction
peak
flow
(53.74%)
(57.60%)
compared
3
(peak:
28.37%;
volume:
56.42%).
Both
demonstrate
resilience
projections.
The
results
provide
foundation
for
further
research
into
other
comparable
regions.
Water,
Год журнала:
2024,
Номер
16(3), С. 458 - 458
Опубликована: Янв. 31, 2024
Extreme
rainfall
events
cause
immense
damage
in
cities
where
drainage
networks
are
nonexistent
or
deficient
and
thus
unable
to
transport
rainwater.
Infrastructure
adaptations
can
reduce
flooding
help
the
population
avoid
associated
negative
consequences.
Consequently,
it
is
imperative
develop
suitable
mathematical
models
rooted
a
thorough
understanding
of
system.
Additionally,
utilization
efficient
computational
search
techniques
crucial
when
applying
these
methods
real-world
problems.
In
this
study,
we
propose
novel
iterative
space
reduction
methodology
coupled
with
multiobjective
algorithm
(NSGA-II)
for
urban
network
rehabilitation
flood
mitigation.
This
approach
considers
replacement
pipes
installation
storm
tanks
(STs)
networks.
NSGA-II
integrated
Storm
Water
Management
Model
(SWMM)
achieve
optimization.
To
demonstrate
advantages
using
technique,
two
case
study
presented.
After
three
iterations,
90%
decision
variables
eliminated
from
process
E-Chicó
case,
76%
Ayurá
case.
The
primary
outcome
that
proposed
yields
reductions
costs
levels.
application
reduced-dimension
model
superior
Pareto
front
compared
original
network.
IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1326(1), С. 012142 - 012142
Опубликована: Июнь 1, 2024
Abstract
The
uncertainties
created
by
climate
change
and
the
pressure
of
urbanisation
create
unparalleled
challenges
to
urban
disaster
management.
Conventional
solutions
infrastructure
management
are
no
longer
sufficient
combat
emerging
challenges.
Among
all
disasters,
floods
require
special
attention
because
destruction
it
is
causing
economy
their
frequency
occurrence.
Managing
pluvial
a
real
challenge
due
about
source
direction
flow
insufficiency
grey
infrastructure.
Low
Impact
Development
(LID)
technologies
recognised
many
researchers
as
an
effective
method
support
existing
In
this
paper,
authors
analyse
understand
effectiveness
LID
techniques
in
creating
flood
resilience.
A
frequently
flooded
region
south-Indian,
coastal
city
Kochi
selected
study
region.
results
indicate
that,
among
three
experimented
options
porous
pavements,
bio-retention
cells
rain
barrels,
permeable
pavements
highest
reduction
run-off
if
used
isolation.
However,
combination
various
found
be
more
efficient
than
localised
attempts
micro-scale.
also
that
efficacy
depends
on
local
characteristics,
including
topography,
soil
type
spatial
availability.
research
can
further
carried
out
using
linking
with
drainage
network.
