Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 4, 2023
Abstract
The
rapid
development
of
the
city
leads
to
continuous
updating
ratio
land
use
allocation,
especially
during
flood
season,
which
will
exacerbate
significant
changes
in
spatial
and
temporal
patterns
urban
flooding,
increasing
difficulty
forecasting
early
warning.
In
this
study,
evolution
flooding
a
high-density
area
was
analyzed
based
on
Mike
Flood
model,
influence
mechanisms
different
rainfall
peak
locations
infiltration
rate
scenarios
characteristics
waterlogging
were
explored.
results
revealed
that
under
same
return
period,
larger
coefficient,
value
inundation
volume
area.
When
coefficient
is
small,
higher
period
is,
lag
time
P
=
50a,
r
0.2,
delay
for
depths
H
>
0.03
m
0.15
reached
32
min
45
min,
respectively,
At
time,
there
are
also
differences
depths.
greater
depth,
longer
volume,
more
effect
prolongation.
It
worth
noting
increase
lead
advance
area,
overall
obvious
than
volume.
times
advanced
by
4
~
8
−
2
9
m,
after
rate;
smaller
time.
capacities
obtained
study
can
help
provide
new
perspective
warning
waterlogging.
Water,
Год журнала:
2024,
Номер
16(3), С. 374 - 374
Опубликована: Янв. 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.
Journal of Advanced Transportation,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
Rainstorm
and
the
induced
flood
disaster
often
cause
serious
damage
to
transportation
system,
resulting
in
loss
of
life
property.
To
improve
resilience
this
study
proposes
a
framework
for
assessing
impacts
rainstorm
on
road
network
based
GPS
data.
The
change
ratio
traffic
flow
congestion
index
are
used
evaluate
disrupted
detour
sections
caused
by
rainstorm.
A
method
compared
normal
circumstances
is
proposed
identify
flood‐damaged
sections.
case
Beijing
verifies
feasibility
practicality
framework,
which
can
effectively
assess
from
multiple
spatial
temporal
dimensions,
sections,
supplement
existing
research.
Research
findings
provide
scientific
basis
emergency
management
departments
accurately
roads
affected
system.
Water Resources Research,
Год журнала:
2025,
Номер
61(5)
Опубликована: Май 1, 2025
Abstract
The
employment
of
Low
Impact
Development
(LID)
facilities
is
an
effective
means
to
alleviate
urban
flood
in
the
context
climate
change
and
urbanization.
Existing
methods
for
evaluating
hydrological
reduction
control
effect
LID
are
mostly
based
on
models,
which
have
inherent
shortages
accurate
process
simulation.
In
this
study,
a
fully‐distributed
bidirectional‐coupled
hydrodynamic
model
Finite
Volume
Coastal
Ocean
Model
(FVCOM)
one‐dimensional
drainage
pipe
used
evaluate
effectiveness
combining
Coevolutionary
Constrained
Multi‐objective
Optimization
(CCMO)
algorithm.
proposed
method
applied
investigate
responses
rainfall
patterns
Yuelai
New
City,
Chongqing,
China.
Results
show
that
overflow
volume
peak
under
unimodal
larger
than
those
other
patterns.
time
lag
between
initial
shortest,
it
shorter
small
return
period.
delay
lower
bimodal
rainfall,
best
uniform
rainfall.
At
low
costs,
combined
may
be
single
facility
with
strong
permeability,
but
as
costs
continue
increase,
its
superiority.
optimization‐simulation
great
significance
environmental
managers
seek
solutions
control.
