Science Advances,
Journal Year:
2024,
Volume and Issue:
10(18)
Published: May 3, 2024
Deltas
are
threatened
by
erosion
due
to
climate
change
and
reduced
sediment
supply,
but
their
response
these
changes
remains
poorly
quantified.
We
investigate
the
abandoned
Yellow
River
delta
that
has
transitioned
from
rapid
growth
ongoing
deterioration
a
river
avulsion
removing
supply.
Integrating
bathymetric
data,
process
observations,
transport
modeling,
we
find
while
subaerial
was
stabilized
engineering
measures,
subaqueous
continued
erode
intensified
storms,
losing
39%
of
its
mass
deposited
before
avulsion.
Long-term
observations
show
winter
storms
initiate
scouring
delta,
contributing
up
70%
seabed
erosion.
then
analyze
108
global
deltas
assess
risks
identify
17
facing
similar
situations
decline
storm
intensification
during
past
40
years.
Our
findings
suggest
must
be
integrated
into
sustainability
evaluations.
Hydrology,
Journal Year:
2022,
Volume and Issue:
9(3), P. 50 - 50
Published: March 18, 2022
The
modelling
and
management
of
flood
risk
in
urban
areas
are
increasingly
recognized
as
global
challenges.
complexity
these
issues
is
a
consequence
the
existence
several
distinct
sources
risk,
including
not
only
fluvial,
tidal
coastal
flooding,
but
also
exposure
to
runoff
local
drainage
failure,
various
strategies
that
can
be
proposed.
high
degree
vulnerability
characterizes
such
expected
increase
future
due
effects
climate
change,
growth
population
living
cities,
densification.
An
increasing
awareness
socio-economic
losses
environmental
impact
flooding
clearly
reflected
recent
expansion
number
studies
related
sometimes
within
framework
adaptation
change.
goal
current
paper
provide
general
review
advances
flood-risk
management,
while
exploring
perspectives
fields
research.
npj Urban Sustainability,
Journal Year:
2021,
Volume and Issue:
1(1)
Published: Feb. 23, 2021
Key
insights
on
needs
in
urban
regional
governance
-
Global
urbanization
(the
increasing
concentration
settlements
of
the
world
population),
is
a
driver
and
accelerator
shifts
diversity,
new
cross-scale
interactions,
decoupling
from
ecological
processes,
risk
exposure
to
shocks.
Responding
challenges
demands
fresh
commitments
city–regional
perspective
ways
that
are
explictly
embedded
Anthopocene
bio-
techno-
noospheres,
extend
existing
understanding
city–nature
nexus
scale.
Three
key
dimensions
cities
constrain
or
enable
constructive,
cross
scale
responses
disturbances
extreme
events
include
1)
shifting
2)
connectivity
modularity,
3)
complexity.
These
three
characteristic
current
processes
offer
potential
intervention
points
for
local
global
action.
Science,
Journal Year:
2023,
Volume and Issue:
379(6630)
Published: Jan. 26, 2023
Amazonian
environments
are
being
degraded
by
modern
industrial
and
agricultural
activities
at
a
pace
far
above
anything
previously
known,
imperiling
its
vast
biodiversity
reserves
globally
important
ecosystem
services.
The
most
substantial
threats
come
from
regional
deforestation,
because
of
export
market
demands,
global
climate
change.
Amazon
is
currently
perched
to
transition
rapidly
largely
forested
nonforested
landscape.
These
changes
happening
much
too
for
species,
peoples,
ecosystems
respond
adaptively.
Policies
prevent
the
worst
outcomes
known
must
be
enacted
immediately.
We
now
need
political
will
leadership
act
on
this
information.
To
fail
biosphere,
we
our
peril.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: May 16, 2023
Flooding
is
one
of
the
most
common
natural
hazards,
causing
disastrous
impacts
worldwide.
Stress-testing
global
human-Earth
system
to
understand
sensitivity
floodplains
and
population
exposure
a
range
plausible
conditions
strategy
identify
where
future
changes
flooding
or
might
be
critical.
This
study
presents
analysis
inundated
areas
varying
flood
event
magnitudes
globally
for
1.2
million
river
reaches.
Here
we
show
that
topography
drainage
correlate
with
sensitivities
as
well
societal
behaviour.
We
find
clear
settlement
patterns
in
which
sensitive
frequent,
low
magnitude
events,
reveal
evenly
distributed
across
hazard
zones,
suggesting
people
have
adapted
this
risk.
In
contrast,
extreme
events
tendency
populations
densely
settled
these
rarely
flooded
being
significant
danger
from
potentially
increasing
given
climate
change.
Natural hazards and earth system sciences,
Journal Year:
2023,
Volume and Issue:
23(2), P. 823 - 846
Published: Feb. 27, 2023
Abstract.
Coastal
river
deltas
are
susceptible
to
flooding
from
pluvial,
fluvial,
and
coastal
flood
drivers.
Compound
floods,
which
result
the
co-occurrence
of
two
or
more
these
drivers,
typically
exacerbate
impacts
compared
floods
a
single
driver.
While
several
global
models
have
been
developed,
do
not
account
for
compound
flooding.
Local-scale
provide
state-of-the-art
analyses
but
hard
scale
other
regions
as
based
on
local
datasets.
Hence,
there
is
need
globally
applicable
hazard
modeling.
We
develop,
validate,
apply
framework
modeling
that
accounts
interactions
between
all
It
consists
high-resolution
2D
hydrodynamic
Super-Fast
INundation
CoastS
(SFINCS)
model,
automatically
set
up
datasets
coupled
with
routing
model
surge
tide
model.
To
test
framework,
we
simulate
historical
events,
Tropical
Cyclone
Idai
Eloise
in
Sofala
province
Mozambique,
compare
simulated
extents
satellite-derived
multiple
days
both
events.
Compared
CaMa-Flood
generally
performs
better
terms
critical
success
index
(−0.01–0.09)
hit
rate
(0.11–0.22)
worse
false-alarm
ratio
(0.04–0.14).
Furthermore,
depth
maps
realistic
due
floodplain
connectivity
comprehensive
picture
direct
pluvial
simulated.
Using
new
determine
dominant
drivers
transition
zones
These
vary
significantly
events
because
differences
magnitude
time
lag
argue
wide
range
plausible
should
be
investigated
obtain
robust
understanding
interactions,
important
understand
adaptation,
preparedness,
response.
As
setup
coupling
automated,
reproducible,
applicable,
presented
promising
step
forward
towards
large-scale
Sensors,
Journal Year:
2023,
Volume and Issue:
23(5), P. 2659 - 2659
Published: Feb. 28, 2023
Cities,
and
in
particular
those
coastal
low-lying
areas,
are
becoming
increasingly
susceptible
to
climate
change,
the
impact
of
which
is
worsened
by
tendency
for
population
concentration
these
areas.
Therefore,
comprehensive
early
warning
systems
necessary
minimize
harm
from
extreme
events
on
communities.
Ideally,
such
a
system
would
allow
all
stakeholders
acquire
accurate
up-to-date
information
respond
effectively.
This
paper
presents
systematic
review
that
highlights
significance,
potential,
future
directions
3D
city
modelling,
systems,
digital
twins
creation
technology
building
resilience
through
effective
management
smart
cities.
In
total,
68
papers
were
identified
PRISMA
approach.
A
total
37
case
studies
included,
among
(n
=
10)
define
framework
twin
technology,
14)
involve
design
virtual
models,
13)
entail
generation
alerts
using
real-time
sensor
data.
concludes
bidirectional
flow
data
between
model
real
physical
environment
an
emerging
concept
enhancing
resilience.
However,
research
primarily
phase
theoretical
concepts
discussion,
numerous
gaps
remain
regarding
implementation
use
true
twin.
Nonetheless,
ongoing
innovative
projects
exploring
potential
address
challenges
faced
communities
vulnerable
will
hopefully
lead
practical
solutions
near
future.