Environmental Research Communications,
Journal Year:
2024,
Volume and Issue:
6(9), P. 095016 - 095016
Published: Sept. 1, 2024
Abstract
Extreme
weather
events,
such
as
heavy
rainfall,
are
being
increased
by
climate
change
in
various
regions,
and
events
often
cause
floods.
This
study
examined
the
trends
variability
of
extreme
rainfall
indices
using
daily
data
(1981–2023)
from
three
sites
at
different
socio-economic
development
spectra
Vhembe
District,
Limpopo
Province,
South
Africa.
The
analyses
focus
on
annual
total
wet
days
(PRCPTOT),
maximum
number
consecutive
dry
(CDD)
(CWD),
1-day
5-day
(RX1
day
RX5
day),
Simple
Daily
Intensity
Index
(SDII),
exceeding
varying
amounts
precipitation
(R10,
R20,
R40)
with
greater
than
95th
99th
percentile
(R95p
R99p)
1981–2023
rainfall.
We
discuss
observed
light
actual
flood
occurrences
to
establish
linkages.
Several
statistically
significant
marginal
changes
were
identified
provided
key
insights
into
reported
flooding
district—flooding
episodes
mainly
attributed
increases
(PRCPTOT)
(R99p).
Other
contributors
declining
CDD
increasing
RX1day
Duthuni,
R40
Musina
well
R1
Sane.
However,
low
altitude,
urbanization,
poor
waste
management
inadequate
drainage
systems
among
non-climatic
drivers
risk
across
sites,
but
these
warrant
further
investigation.
complex
interplay
between
climatic
underscores
importance
localized
studies
need
for
adaptive
strategies
minimize
loss
damage.
Overall,
this
research
provides
valuable
trends,
which
essential
developing
site-specific
mitigation
adaptation
strategies.
initiatives
require
placing
vulnerable
communities
centre
order
develop
solutions
that
locally
led
relevant.
Abstract
Anthropogenic
climate
change
and
rapid
urbanization
are
contributing
to
more
frequent
intense
urban
flooding.
There
is
widespread
agreement
that
traditional
gray
infrastructure,
a
single‐purpose
solution,
fails
address
the
problem
properly
contributes
adverse
direct
indirect
environmental
impacts.
As
such,
Nature‐based
Solutions
(NbS)
can
provide
improved
outcomes
flood
risk
management
along
with
co‐benefits
society
economy,
as
they
have
numerous
benefits
incuding
often
smaller
carbon
footprint
or
even
sometimes
sequestering
carbon.
However,
there
ambiguity
misconception
about
NbS
uptake
of
for
management,
which
still
inadequate
compared
infrastructure.
This
research
seeks
explore
various
nature‐based
infrastructures
including
their
present
status
application
build
resilience
flooding
through
systematic
literature
review.
The
robustness
some
questionable
varies
across
different
spatial
scales
from
plot
watershed.
work
stand‐alone
in
many
cases
well
supplement
infrastructure
achieve
wider
benefits.
review
provides
comparison
solutions
identifies
mitigation
include
elements,
an
overview
effectiveness
scales.
findings
should
contribute
better
understanding
appropriate
diverse
options
NbS,
gray,
hybrid
designs
by
policymakers
decision‐makers
enable
them
effectively
designing
implementing
measures.
article
categorized
under:
Climate
Development
>
Urbanization,
Development,
Change
Vulnerability
Adaptation
Learning
Cases
Analogies
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(7), P. 4088 - 4088
Published: March 30, 2022
Floods
have
been
reported
to
be
an
important
disaster
in
any
country
and
Malaysia
has
faced
similar
disasters
the
past,
resulting
disturbance
daily
community
routine
issues,
financial
losses,
infrastructure
damage
including
railway
tracks,
bridges,
roads,
vehicles,
properties,
worst
is
loss
of
lives.
The
Sarawak
region
also
witnesses
yearly
rainy
seasons.
purpose
this
paper
explore
possible
challenges
manage
flood
identify
solutions
floods.
In
research,
secondary
data
was
used
for
qualitative
assessment.
newspaper
articles
were
collected
from
year
2015
until
2019.
Targeted
interviews
conducted
with
experts
working
management
schemes
rank
validate
most
factors
after
content
analysis
past
news
reports.
It
concluded
that
poor
drainage
systems,
rapid
development,
heavy
rainfall,
lack
public
awareness,
coordination
executing
cycle
among
agencies
are
key
challenges.
Thus,
it
recommended
systems
should
upgraded
case
study
area.
Proper
planned
forecasting
strengthened.
An
effective
early
warning
system
designed
activate
plans
a
proper
awareness
campaign
initiated
educate
train
local
deal
such
disasters.
suggested
assure
maintain
collaboration
different
during
last
phase,
proposes
framework
future
management.
will
assist
stakeholders
make
informed
decisions
save
human
lives
substantial
losses.
can
terrain
countries.
Discover Sustainability,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: May 16, 2024
Abstract
Cities
are
globally
exposed
to
climate
change
effects,
which
revealed
that
55%
of
the
world's
population
is
at
risk.
Despite
their
low
contribution
global
greenhouse
gas
emissions,
African
cities
paying
highest
cost
threats
caused
by
due
rapid
urban
community
growth,
high
density,
and
inadequate
planning.
This
review
has
explored
demonstrated
benefit
Nature-based
Solutions
(NbS)
implementation
for
crisis
resilience
have
been
implemented
sharing
information
on
sustainable
city
planning
in
Africa.
The
analysis
based
countries’
Nationally
Determined
Contribution
(NDC)
reports,
institution’s
review,
scientific
articles.
successful
NbS
since
2015
developed
countries
confirms
a
multi-functional
environmental
pre-urban
populations.
It
reduces
cities'
vulnerability
advances
numerous
Sustainable
Development
Goals
(SDGs)
achievement.
only
15
(27,7%)
with
119
projects
adapt
tackle
water,
agriculture,
forest
woodland,
coastal
marine
habitat,
grassland,
mountain
habitat
sectors.
Rural
areas
paid
more
attention
than
despite
urbanization
face
extreme
effects.
Furthermore,
process
observed
some
challenges
translating
approaches
into
measurable
actions
resilience:
(i)
issues
governance
policies;
(ii)
insufficient
mobilization
resources
lack
private
sector
involvement
financing
NbS;
(iii)
comprehensive
evidence-based
strategies
knowledge
operationalization
cities.
Social Sciences,
Journal Year:
2023,
Volume and Issue:
12(1), P. 40 - 40
Published: Jan. 11, 2023
The
United
Nations
(UN)
emphasizes
the
necessity
of
reducing
social
and
material
losses
imposed
by
water
disasters,
with
an
emphasis
on
protecting
most
vulnerable
groups
to
achieve
sustainable
development
goals
(SDGs).
Several
objectives
outlined
under
SDGs
including
Goals
1,
11,
13
concentrate
minimizing
vulnerability
disasters
boosting
resilience
extreme
occurrences.
Flooding
is
increasingly
challenging
problem
facing
cities
today,
consequences
mostly
felt
in
marginalized
communities.
Residents
informal
settlements
are
particularly
susceptible
effects
flooding
given
that
they
compelled
live
unsafe
locations,
such
as
floodplains.
This
study
reviews
current
status
research
from
empirical
perspectives
globally
South
Africa
through
systematic
literature
bibliometric
analysis
249
peer-reviewed
articles
flooding,
a
focus
settlements.
We
detect
keywords
major
themes.
Our
shows
studies
flood
modeling
inadequate.
synthesized
present
body
knowledge
floods
Future
prospects
identified
areas
upgrading
housing
infrastructures,
policies,
integrating
indigenous
knowledge,
local
participation.
Journal of Outdoor Recreation and Tourism,
Journal Year:
2023,
Volume and Issue:
43, P. 100661 - 100661
Published: July 27, 2023
There
is
consensus
that
the
risk
of
flooding
increasing
in
many
parts
Africa
and
globally
due
to
climate
variability
change-induced
extreme
weather
events.
Floods
are
often
considered
a
necessity
by
conservation
community
semi-arid
regions
since
they
recharge
important
aquifers
wetlands,
which
critical
areas
for
biodiversity
conservation.
However,
floods
threaten
tourism
infrastructure,
given
their
destructive
nature.
This
study
maps
evaluates
hotspots
19
South
African
national
parks
assesses
flood
occurrence
impact
on
tourism.
A
mixed
methods
approach
was
adopted,
utilising
primary
data
collected
from
interviews,
surveys,
field
observations
secondary
sources.
The
found
most
located
Kruger
National
Park,
with
more
than
nine
Mapungubwe
almost
all
events
linked
Flooding
incidents
these
parks,
devastatingly
impacting
infrastructures,
such
as
camps,
roads,
bridges
heritage
picnic
sites.
Other
concerned
about
include
Wilderness
section
Garden
Route,
Bontebok
Park
isolated
some
Kgalagadi,
Augrabies
Mokala
Parks.
affected
within
pathway
tropical
cyclones.
recommends
engineering,
nature-based
solutions
development
early
warning
systems
manage
risks
parks.
In
view
increased
frequency
intensity
there
need
build
robust
system
reduce
impacts
damage
back
better
greener
after
ensure
resilience.
Ensure
adequate
insurance
cater
r
potential
revenue
losses
where
business
incurred.
hazard
zoning
avoid
infrastructure
establishments.
International Journal of Disaster Risk Reduction,
Journal Year:
2023,
Volume and Issue:
97, P. 104052 - 104052
Published: Oct. 1, 2023
Social
vulnerability
assessment
to
flood
hazard
depends
upon
multiple
factors
that
can
vary
across
the
different
indicators.
However,
there
is
limited
knowledge
on
specific
indicators
suitable
for
assessing
social
Sarawak.
This
study
systematically
analyzed
important
components
of
and
mapped
them
by
weight
12
divisions.
Indices
focusing
two
dimensions
(physical
exposure
resistances)
were
identified
based
literature.
Data
these
indices
then
collected
through
relevant
government
agencies.
Components
assessed
significantly
contributing
Principal
Component
Analysis
(PCA).
An
entropy
method
was
used
Vulnerability
estimated
Iyengar
Sudarshan
methodology
data
produce
a
map
proposed
Index
(SVI).
The
results
indicated
divisions
Kuching,
Miri,
Sibu
Bintulu
more
vulnerable
(score
over
than
0.81)
those
in
other
Greater
mainly
due
high
extreme
events
less
adaptive
capacity
resistance,
which
affect
agricultural
production
negatively,
combination
with
population
density
communities.
clearly
shows
areas
are
susceptible,
indicating
government's
adaptation
measures
should
depending
available
resources,
urgency,
means
survival
needed
achieve
resilience
against
climate
change.
Water,
Journal Year:
2024,
Volume and Issue:
16(13), P. 1763 - 1763
Published: June 21, 2024
Floods
are
recognised
as
one
of
the
most
destructive
and
costliest
natural
disasters
in
world,
which
impact
lives
livelihoods
millions
people.
To
tackle
risks
associated
with
flood
disasters,
there
is
a
need
to
think
beyond
structural
interventions
for
protection
move
more
non-structural
ones,
such
early
warning
systems
(FEWSs).
Firstly,
this
study
aimed
uncover
how
forecasting
models
FEWSs
have
evolved
over
past
three
decades,
1993
2023,
identify
challenges
unearth
opportunities
assist
model
selection
prediction.
Secondly,
and,
return,
point
data
other
modelling
components
required
develop
an
operational
system
focus
on
data-scarce
regions.
The
scoping
literature
review
(SLR)
was
carried
out
through
standardised
procedure
known
Preferred
Reporting
Items
Systematic
Reviews
Meta-Analyses
(PRISMA).
SLR
conducted
using
electronic
databases
Scopus
Web
Science
(WoS)
from
until
2023.
results
found
that
between
2010,
time
series
(TSMs)
were
dominant
prediction
machine
learning
(ML)
models,
mostly
artificial
neural
networks
(ANNs),
been
2011
present.
Additionally,
coupling
hydrological,
hydraulic,
(ANN)
used
ensemble
flooding
due
superior
accuracy
ability
bring
uncertainties
system.
challenge
ungauged
poorly
gauged
rainfall
stations
developing
countries.
This
leads
situations
where
ML
algorithms
like
ANNs
predict
floods.
On
hand,
use
Satellite
Precipitation
Products
(SPP)
replace
missing
or
stations.
Finally,
recommended
interdisciplinary,
institutional,
multisectoral
collaborations
be
embraced
bridge
gap
so
knowledge
shared
faster-paced
advancement
systems.
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(12), P. 7482 - 7482
Published: June 19, 2022
The
impact
of
global
climate
change
is
gradually
intensifying,
and
the
frequent
occurrence
meteorological
disasters
poses
a
serious
challenge
to
crop
production.
Analyzing
evaluating
agricultural
multi-hazard
disaster
risks
based
on
historical
data
summary
occurrences
development
patterns
are
important
bases
for
effective
reduction
natural
regulation
This
paper
explores
technical
system
risk
assessment
establishes
model
at
regional
level
from
1978–2020
in
first
national
comprehensive
census,
carrying
out
assessments
18
major
grain-producing
regions
Jilin
province.
empirical
evidence
shows:
(1)
drought
flood
key
prevention
Hotspots
widely
distributed
study
area,
while
hail
typhoons
mainly
concentrated
eastern
region
with
certain
regionality.
(2)
values
four
all
decreased
increase
index.
Under
same
index,
various
main
areas
as
follows:
>
typhoon
hail.
different
indices,
Jiutai,
Nongan,
Yitong,
Tongyu,
other
places
presented
high
medium–high
levels.
(3)
From
spatial
evolution
trend,
along
rising
hazards
spatially
oriented
southeastern
direction,
central
part
area
decreases
increasing
damage
In
addition,
recommendations
made
three
aspects:
institutional
construction,
management
model,
capacity.