PLOS Water,
Journal Year:
2024,
Volume and Issue:
3(4), P. e0000132 - e0000132
Published: April 17, 2024
In
this
study,
we
examine
a
novel
levee
breach
experiment
that
reconnected
floodplain
along
the
Cosumnes
River,
California
to
determine
decadal
impact
of
removing
250
meters
and
assess
recruitment
large
wood.
This
is
latest
study
in
an
ongoing
series
investigations
40
years
making
largest
river
on
western
slope
Sierra
Nevada
without
major
dam.
We
present
findings
multi-modal
investigation
here
by
first
measuring
geomorphic
alteration
surface
quantify
depletion
accretion
sediment
across
excavated
site.
then
identify
deposition
Results
indicate
initiation
anastomosing
channel
formation
distinct
areas
wood
supporting
naturally
evolving
lateral
levee.
Accretion
resulted
more
than
25,000
m
3
within
original
excavation
site,
development
multiple
sand
splays,
natural
native
riparian
tree
species.
conclude
discussing
implications
following
other
approaches
restoration
as
Nature-based
Solution.
episodic
flow
regimes,
like
California’s
Mediterranean-montane
hydroclimatic
regime,
restoring
hydrologic
connectivity
facilitates
ecosystem
function.
Large
flood
pulse
events
drive
dynamics
heterogeneity
while
enriching
biodiversity
through
biogeochemical
fluxes
habitat
creation
floodplains
store
floodwaters
reduce
peak
discharge.
These
support
importance
long-term
monitoring
efforts
restoration.
npj Urban Sustainability,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: April 22, 2024
Abstract
A
growing
number
of
Nature-based
Solutions
(NbS)
has
been
advocated
for
urban
flood
risk
management
(FRM).
However,
whether
NbS
FRM
(NbS-FRM)
achieves
both
social
and
ecological
co-benefits
remains
largely
unknown.
We
here
propose
use
a
conceptual
framework
with
coupled
social-ecological
perspective
to
explore
identify
such
“win-win”
potential
in
NbS-FRM.
Through
scoping-review
we
find
that
measures
are
unevenly
distributed
around
the
world,
those
solely
targeting
mitigation
may
have
unintended
negative
consequences
society
ecosystems.
In
elaborating
this
evidence
from
reviewed
studies,
NbS-FRM
provide
co-benefits,
remaining
gaps
including
lack
resilience
thinking,
inadequate
consideration
environmental
changes,
limited
collaborative
efforts
manage
trade-offs.
The
proposed
shows
how
move
forward
leverage
equitable
sustainable
improved
human
well-being
ecosystem
health.
Current Opinion in Environmental Science & Health,
Journal Year:
2024,
Volume and Issue:
38, P. 100537 - 100537
Published: Feb. 3, 2024
Nature-based
solutions
(NBS)
can
act
as
a
valuable
complement
to
conventional
'grey'
infrastructure
for
stormwater
management
(e.g.
dams
and
dikes)
in
reducing
flood
risks,
these
'green'
are
perceived
be
more
flexible
multifunctional.
However,
achieve
effective
NBS,
multi-actor
approach
developing
appropriate
measures
specific
sites
is
required,
NBS
occupy
space
than
often
overlap
with
private
land.
also
necessitate
multidisciplinary
approach,
maximise
environmental,
social
economic
benefits.
Thus,
transdisciplinary
needed
implementation
of
NBS.
Viewing
boundary
concept,
focusing
on
the
common
ground
different
disciplines
actors,
facilitate
communication
provide
first
step
towards
risk
mitigation.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
162, P. 112030 - 112030
Published: April 18, 2024
This
study
presents
a
comprehensive
methodology
for
the
implementation
of
Nature-based
Solutions
(NbS)
in
context
urban
flood
mitigation,
specifically
within
heritage
city
Guangzhou,
China.
The
investigation
delves
into
roles
morphology
and
impermeability
exacerbating
risk
through
enhanced
runoff
accumulation
reduced
infiltration.
A
key
focus
is
spatial
heterogeneity
susceptibility,
influenced
by
disparate
distribution
various
building
types
demographic
segments.
research
integrates
susceptibility
vulnerability
assessments
with
analysis
NbS
multi-criteria
decision-making,
facilitating
identification
pivotal
zones
application.
Findings
underscore
critical
role
design
management
reveal
efficacy
vegetation-based
strategies,
namely
vegetated
swales
bioretention
cells,
which
account
8.41%
7.08%
total
area,
respectively,
curbing
impacts.
Recommendations
innovation
include
prioritization
vegetation-integrated
road
layouts
coupled
gradual
enhancement
grey
infrastructure
historical
areas.
culminates
providing
strategic
insights
policymakers
planners
cities,
underscoring
necessity
balanced
approach
to
technical
feasibility
conservation
imperatives
deployment.
Abstract
Nature‐based
solutions
(NbS,
and
related
concepts
like
natural
infrastructure,
Ecosystem‐based
Adaptation,
green
infrastructure)
are
increasingly
recognized
as
multi‐benefit
strategies
for
addressing
the
critical
sustainability
challenges
of
Anthropocene,
including
climate
emergency
biodiversity
crisis.
Mainstreaming
NbS
in
professional
practice
requires
strategic,
landscape‐level
planning
integrating
multiple
sources
benefits
their
synergies
trade‐offs.
Levee
setbacks
(LS)
among
best‐studied
riverine
with
flood
risk
management,
drought
resilience,
water
quality
recreational
opportunities,
ecological
restoration
biodiversity.
Although
awareness
multifarious
LS
forms
Natural
Capital
is
growing,
implementation
remains
ad‐hoc
opportunistic.
To
address
this
gap
one
major
example
NbS,
we
review
synthesize
literature
across
diverse
disciplines
to
provide
an
overview
primary
social,
economic,
mechanisms
that
affect
co‐benefit
delivery
projects.
Next,
make
information
relevant
practitioners,
link
these
spatial
metrics
can
be
used
approximate
relative
magnitude
project
costs
mechanisms.
Finally,
highlight
examples
key
trade‐offs
should
considered
planning.
This
synthetic
approach
intended
familiarize
readers
potential
LS,
understanding
how
select
prioritize
sites
further
study
implementation.
Synergies
important
benefit
drivers
abound,
social
equity
concerns
will
paramount
ensuring
successful
other
future.
article
categorized
under:
Engineering
Water
>
Sustainable
Planning
Life
Nature
Freshwater
Ecosystems
Sustainable Development,
Journal Year:
2024,
Volume and Issue:
32(5), P. 4686 - 4706
Published: Feb. 18, 2024
Abstract
The
potential
of
using
nature‐based
solutions
to
address
issues
climate
change
has
continued
gain
momentum,
especially
in
developed
nations.
However,
the
same
cannot
be
said
for
developing
countries,
particularly
Africa,
where
knowledge
and
awareness
natural
are
low,
research
on
their
application
within
built
environment
is
scant.
Using
a
sciento‐metric
narrative
review
published
literature,
this
paper
makes
case
exploration
sustainable
Africa.
findings
revealed
an
opportunity
significant
contributions
addressing
flood
risk
management,
urban
planning,
water
quality
carbon
emission,
development,
green
infrastructure
development.
These
areas
critical
focus
past
studies
explored.
Also,
offer
guidance
further
conducted
less
explored
areas,
such
as
sequestration,
greenhouse
gases,
energy
utilisation,
indoor
comfort,
numeric
models
African
context.
study
excellent
theoretical
background
direct
researchers
practitioners
who
seek
attain
promote
environments
through
solutions,
Abstract
We
propose
a
holistic
approach
to
define
river
corridor
as
the
minimum
space
needed
sustain
key
functions
based
on
an
understanding
of
desired
that
and
processes
governing
channel
floodplain
formation.
Giving
such
is
fundamental
nature‐based
solution
management,
it
allows
use
its
own
energy
maintain
flood
conveyance
habitat
function.
The
review
existing
concepts
shows
these
often
focus
one
or
two
potential
may
not
be
well
suited
tools
optimize
eco‐geomorphic
argue
evaluating
effects
width
multiple
can
provide
objective
means
delineation
in
areas
where
development
encroaches
onto
floodplains
migration
zones.
Key
are
linked
include
rejuvenation,
emergence
dynamic
patch
mosaic
riparian
sustains
functioning
large
wood
cycle,
constriction
confinement
dynamics
morphology.
Quantification
for
example
most
rapid
gains
protection
values
up
threshold
planform‐controlled
conditions
asymptotically
reducing
rate
gain
function
above
threshold.
For
river,
approaching
asymptote
substantially
more
than
constrained
condition
but
much
less
zone,
offering
compromise
managing
rivers
with
developed
floodplains.
This
article
categorized
under:
Engineering
Water
>
Sustainable
Life
Nature
Freshwater
Ecosystems
Conservation,
Management,
Awareness
ABSTRACT
Natural
flood
management
(NFM)
has
gained
prominence
as
a
risk
approach
in
temperate
settings
but
lacks
extensive
applied
examples
and
evidence
tropical
settings,
despite
significant
ecosystem
degradation
high
exposure.
Tropical
river
catchments
often
experience
highly
variable
hydrographs
(i.e.,
prone
to
flash
floods)
intense
rainfall
from
monsoon
typhoon‐dominated
weather
systems
that
can
cause
landslides
sediment‐transporting
flows.
These
conditions
provide
backdrop
the
prospects
for
NFM
Southeast
Asia,
of
which
Philippines
is
representative.
Catchments
country
are
typically
small
thus
associated
with
short
hydrological
response
times.
They
also
characterized
by
diversity
types,
rates
lateral
mobility,
downstream
urbanization,
complex
land
use
mosaics
at
coast.
Consideration
conceptual
framework
may
enable
conversations
about
adapting
existing
approaches.
To
explore
these
alternatives,
we
conceptualize
opportunities
typical
catchment
divide
into
four
nested,
connected
parts:
managing
headwaters
sponges;
conserving
restoring
floodplain
width;
blue‐green
infrastructure
urban
areas;
maintaining
creating
space
water
fluvial‐coastal
settings.
There
potential
countries
such
adopt
strategies
have
shown
promise
regions
select
Asian
countries,
where
emerging
supports
their
effectiveness.
Monitoring
interventions
remains
crucial
gather
supporting
broader
application
nature‐based
solutions
mitigation
biodiversity
loss
Asia.