STUDIES IN ENGINEERING AND EXACT SCIENCES,
Год журнала:
2024,
Номер
5(2), С. e10985 - e10985
Опубликована: Ноя. 22, 2024
The
increased
needs
of
the
actors
in
land
management
mean
that
static
maps
no
longer
meet
requirements
scientists
and
decision-makers.
Access
is
needed
to
data,
methods
tools
produce
complex
response
different
stages
risk
evaluation
response.
availability
high
spatial
resolution
remote
sensing
data
makes
it
possible
detect
objects
close
human
size
and,
therefore,
interest
for
studying
anthropogenic
activities.
development
new
knowledge
using
detailed
coupled
with
use
Geographic
Information
System
(GIS),
naturally
becomes
beneficial
risks
analysis.
Indeed,
extraction
information
from
specific
processes,
such
as
vegetation
indices,
can
be
used
variables
water
heights,
flow
velocities,
rates
submersion
predict
potential
consequences
a
flood.
functionalities
GIS
cartographic
overlay
make
identify
flood
zones
according
level
flood,
thus
making
useful
decision-making
tool.
This
study
was
carried
out
on
territory
watersheds
Annaba
region,
East
Algeria.
choice
guided
by
(satellites
images,
maps,
hydrology,
etc.)
hydrological
specificities
(proximity
an
urban
area).
adopted
model
divided
into
two
parts.
first
part
establish
methodology
preservation
wetland
biodiversity
protection
areas
against
floods.
second
consisted
integration
cadastral
map
obtained
our
research.
In
other
words,
through
machine
learning
algorithms,
particular
decision
trees
AdaBoost,
we
have
generated
specified
catchment
area
region.
results
showed
AdaBoost
satisfactory
compared
field
reality
most
optimal
under
curve
(AUC)
value
0.90.
While
tree
had
0.68.
findings
this
are
planning
implementing
mitigation
strategies
Water Resources Research,
Год журнала:
2025,
Номер
61(3)
Опубликована: Март 1, 2025
Abstract
The
tidal
jacking
effect
is
a
crucial
factor
exacerbating
waterlogging
in
coastal
cities,
but
its
mechanism
complex
and
difficult
to
quantify.
In
this
study,
comprehensive
framework
established
explore
how
exacerbates
waterlogging.
includes
three
components:
hydrodynamic
simulations
of
urban
combing
rainfall
tide
levels,
analysis
the
drainage
system
reveal
impedes
water
flow
waterlogging,
quantification
changes
flooded
buildings
assess
impact
hazards.
Taking
Liede
River
Basin
Guangzhou,
China,
as
case
results
show
that
levels
intensify
through
series
cascading
processes:
outfalls,
impeded
pipeline
drainage,
pipe
overflow,
eventually
surface
When
encounters
jacking,
number
duration
jacked
outfalls
increase,
extending
full
pipes.
This
leads
9%–43%
increase
overflow
4%–27%
expansion
area.
exceeds
under
jacking.
Tidal
proportion
areas
with
different
risk
concentrating
higher
downstream.
also
causes
differential
losses
among
building
types.
study
provides
essential
insights
into
level
offers
evidence
for
mitigating
Journal of Hydrology,
Год журнала:
2024,
Номер
634, С. 131113 - 131113
Опубликована: Март 26, 2024
As
floods
are
a
major
and
growing
source
of
risk
in
urban
areas,
there
is
necessity
to
improve
flood
management
frameworks
civil
protection
through
planning
interventions
that
modify
surface
flow
pathways
introduce
storage.
Despite
the
complexity
densely
urbanised
areas
(topography,
buildings,
green
spaces,
roads),
modern
models
can
represent
features
characteristics
order
help
researchers,
local
authorities,
insurance
companies
develop
efficient
achieve
resilience
cities.
A
cost-benefit
driven
'source-receptor'
framework
developed
this
study
identify
(1)
locations
contributing
flooding
(sources),
(2)
buildings
at
high
(receptors),
(3)
nexus
between
'source'
'receptor',
finally
(4)
ways
mitigate
'receptor'
by
adding
Blue-Green
Infrastructure
(BGI)
critical
locations.
The
analysis
based
on
five
steps
area
exposure
damages
arising
from
available
spaces
with
best
potential
add
sustainable
resilient
solutions
reduce
flooding.
was
using
detailed
hydrodynamic
model
CityCAT
case
city
centre
Newcastle
upon
Tyne,
UK.
novelty
firstly,
multiple
storm
magnitudes
(i.e.
small
large
floods)
used
combined
method
locate
prioritized
set
places
upstream
downstream.
Secondly,
decisions
informed
considering
benefit
reduced
properties
cost
construct
BGI
options
rather
than
restricted
hydraulic
only
depths
storages
isolation
real
world
economics.
Water,
Год журнала:
2024,
Номер
16(5), С. 693 - 693
Опубликована: Фев. 27, 2024
With
the
acceleration
of
urbanization
and
impact
climate
change,
frequent
occurrence
urban
waterlogging
not
only
leads
to
road
closures
traffic
congestion
but
also
severely
affects
timeliness
emergency
rescue.
To
accurately
assess
enhance
response
capability
rescue
under
storm-induced
scenarios,
a
hydrodynamic
model
was
developed
simulate
conditions
various
design
rainfall
scenarios.
By
identifying
risks
blocked
roads,
as
well
combining
Two-Step
Floating
Catchment
Area
(2SFCA)
method,
accessibility
services
for
points
interest
(POIs)
with
different
vulnerabilities
evaluated.
The
Liwan
District
Guangzhou
City
selected
case
study
assessment
improvement
simulation.
results
indicate
that
increase
in
return
period
rainfall,
both
area
depth
waterlogged
regions
increased
number
roads
affected
by
rose,
leading
an
length
from
11
km
49
km,
over
300%.
Additionally,
POIs
inaccessible
increased,
while
accessible
decreased,
resulting
significant
downward
trend
overall
accessibility.
deploying
mobile
pumping
vehicles,
periods
were
reduced
10%,
decreased
more
than
12%.
findings
highlight
hinders
flow
reduces
services.
Through
strategic
deployment
can
be
effectively
improved,
mitigating
on
functions
public
safety.
Land,
Год журнала:
2023,
Номер
12(3), С. 543 - 543
Опубликована: Фев. 23, 2023
Cities
in
the
Spanish
Mediterranean
regions
have
undergone
an
extensive
process
of
urban
growth
recent
decades.
This
transformation
has
often
failed
to
consider
variable
flooding
its
planning.
Such
a
situation,
combined
with
current
meteorological
changes
derived
from
climate
change
phenomena
that
increasingly
cause
less
frequent
but
more
extreme
rainfall
events
this
part
planet,
caused
sharp
increase
vulnerability
many
areas
against
flooding.
research
aims
analyze,
spatiotemporal
approach,
case
study
Murcia,
city
southeastern
Spain,
existing
spatial
statistical
correlation
between
planning
patterns
and
risk
due
Using
GIS-based
multivariate
indicators
geostatistical
analysis,
behavior
said
will
be
numerically
evaluated,
possible
future
trends
scenarios
for
problem
raised.
Water,
Год журнала:
2023,
Номер
15(12), С. 2261 - 2261
Опубликована: Июнь 16, 2023
Urban
roads
in
China,
particularly
low-lying
areas
such
as
underpasses,
tunnels,
and
culverts,
are
highly
vulnerable
to
the
dangers
of
urban
pluvial
flooding.
We
used
spatial
interpolation
methods
limited
measured
data
assign
elevation
values
road
surface.
The
network
was
divided
into
tiny
squares,
enabling
us
calculate
each
square’s
elevation,
slope,
curvature.
Statistical
analysis
then
employed
evaluate
impact
terrain
on
flood
characteristics
systems.
Our
reveals
a
strong
correspondence
between
distribution
flood-prone
points
curvature
parameters
terrain.
coincidence
rate
can
reach
100%
when
an
appropriate
sampling
scale
is
chosen.
presence
depressions
necessary
but
insufficient
for
forming
points.
In
lowland/gentle
slope
(LL/GS)
with
higher
drainage
pressure,
we
observe
significant
negative
correlation
(Spearman’s
r
=
0.205,
p
<
0.01).
However,
highland/steep
(HL/SS)
areas,
find
no
them.
Notably,
matters,
effective
more
influential
areas.
maximum
depth
(MFD),
submerged
area,
ponding
volume
during
flooding
constrained
by
depression
topography,
while
upstream
catchment
area
also
play
role
determining
MFD
peak
lag
time(FPLT).
Larger
longer
flow
paths
normally
result
greater
emergency
response
times/FPLT.
Additionally,
path
gradient
will
directly
contribute
increased
risk
(greater
shorter
FPLT).
These
findings
have
important
implications
identification
development
mitigation
strategies.
