Lack
of
studies
in
developing
countries
with
tropical
climate
such
as
the
Philippines
limit
local
LID
adoption.
This
study
compared
performance
different
scenarios
across
urban
land
use
types
at
sub-catchment
level
using
peak
flow,
runoff
volume
and
flood
reductions
criteria.
Results
showed
that
most
effective
strategies
for
each
are:
1)
combined
green
roof
bioretention
low-density
residential;
2)
high-density
3)
rain
barrel,
permeable
pavement
industrial,
4)
vegetative
swale
detention
pond
open
spaces.
examined
how
differences
characteristics
influence
performance,
unlike
focused
on
type
comparisons.
It
low
density
setting
positively
affected
flow
reduction
barrels
roofs,
while
good
drainage
infrastructure
quality
bioretention.
Considering
complexity
conducting
hydrologic
studies,
decision-makers
may
these
findings
to
conduct
rapid
assessments
selection
siting,
provided
similarities
between
described
this
those
their
localities
are
justified.
can
lead
increased
adoption
towards
building
water-sensitive
sustainable
environments.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
158, P. 111546 - 111546
Published: Jan. 1, 2024
The
expansion
of
impervious
surfaces
during
urbanization,
as
well
the
irrationality
their
spatial
layout,
is
one
main
causes
urban
waterlogging.
Optimizing
layout
through
renewal
important
for
waterlogging
prevention.
differences
in
hydrological
conditions
among
different
units
affect
optimization
efficiency
units.
Therefore,
this
study
proposes
an
effective
model
surface
employing
a
hybrid
approach
that
couples
Soil
Conservation
Service
Curve
Number
(SCS-CN)
model,
nondominated
sorting
genetic
algorithm
2
(NSGA2),
and
multiple
linear
programming
(MLP)
algorithm.
This
applied
case
Guangzhou,
China.
results
show
(1)
compared
to
MLP-SCS
enhanced
not
only
provides
reduced
runoff
coefficients
but
also
achieves
better
balance
retention
water
volume.
(2)
Compared
before
optimization,
medium-
high-density
significantly
change
after
connectivity
between
patches
reduced.
optimized
alters
original
gradient
connection
method,
preventing
aggregation
from
thereby
reducing
risk
heavy
rain.
can
provide
reference
optimizing
aimed
at
prevention
planning.
Water,
Journal Year:
2024,
Volume and Issue:
16(3), P. 374 - 374
Published: Jan. 23, 2024
Climate
change
and
urbanization
have
led
to
an
increase
in
the
amount
of
water
flowing
into
traditional
drainage
systems,
which
results
frequent
urban
flooding.
Low–Impact
Development
(LID)
facilities,
with
their
distributed
feature,
are
one
important
means
mitigate
flooding
been
widely
used.
In
this
paper,
based
on
integrated
catchment
management
(ICM),
we
compare
abatement
runoff,
flooding,
ponding
under
two
durations
rainfall
eight
different
return
periods
runoff
as
control
objective
(RACO)
(FACO)
for
deployment
LID
facilities.
The
waterlogged
area
FACO
is
higher
by
a
range
92.462
m2
24,124.39
compared
RACO.
Both
percentage
reduction
overflow
volume
tend
decrease
gradually
period.
For
per
unit
area,
sometimes
RACO
greater
than
FACO,
vice
versa,
while
where
exceeds
between
0.29
10.95
(%/ha).
cost
has
decreased
4.94%
46.20%
This
shows
that
FACO’s
method
can
fully
utilize
capacity
facilities
inundation,
reducing
certain
extent.
Water,
Journal Year:
2025,
Volume and Issue:
17(2), P. 233 - 233
Published: Jan. 16, 2025
Bioretention
cells
(BCs)
are
widely
used
to
manage
urban
runoff
due
their
positive
impact
on
control.
Current
research
primarily
focuses
optimizing
the
internal
structural
design
of
bioretention
cells,
while
studies
interactions
between
spatial
configuration,
topography,
and
land
use
types
limited.
This
study
employs
Storm
Water
Management
Model
(SWMM)
uses
extreme
rainfall
analyze
influence
typical
stormwater
flow
paths,
determined
by
various
as
well
configurations
catchment
hydrological
performance.
The
results
show
following:
(1)
Different
paths
significantly
affect
performance,
with
series-type
pathways
performing
best.
(2)
configuration
influences
Decentralized
BCs
under
showed
better
performance
for
reducing
total
outflow
peak
runoff,
reduction
rates
increasing
7.1%
8.8%,
centralized
delayed
times.
(3)
Stormwater
BC
efficiency
in
a
path
recommended
priority
use.
provides
novel
perspective
arrangement
management,
thereby
contributing
flood
risk
mitigation.
