Land,
Год журнала:
2024,
Номер
13(10), С. 1666 - 1666
Опубликована: Окт. 13, 2024
This
study
aims
to
investigate
the
coupling
and
harmonization
between
land
ecological
security
(LES)
high-quality
agricultural
development
(HAD)
in
Han
River
Basin
(HRB),
China,
with
objective
of
promoting
harmonious
coexistence
agriculture
ecosystems.
Using
17
cities
HRB
as
research
objects,
an
evaluation
index
system
two
systems,
LES
HAD,
was
constructed,
analyzed,
evaluated
via
projective
tracer
modeling
for
multiple
intelligent
genetic
algorithms
(MIGA-PTM).
The
degree
coordination
(DCC)
used
quantitatively
evaluate
status
obstacle
model
(OM)
identify
main
influencing
factors,
gray
predictive
first-order
univariate
(GM
(1,
1))
predict
DCC
HAD
from
2025
2040.
results
show
following:
(1)
levels
tended
increase
during
period,
there
a
large
gap
cities;
(2)
spatial
distributions
DCCs
were
uneven,
high
values
southern
low
central
northern
parts,
overall
fluctuate.
showed
fluctuating
upward
trend;
(3)
obstacles,
per
capita
water
resources,
greening
coverage,
rate
return
on
financial
expenditure
are
factors;
(4)
prediction
GM
1)
indicate
that
will
be
close
reaching
intermediate
stage
2035.
offers
critical
insights
into
sustainable
practices
facilitate
alignment
growth
preservation.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110845 - 110845
Опубликована: Авг. 21, 2023
Urban
flooding
is
an
important
natural
hazard
that
affects
urban
security
in
the
context
of
global
climate
change
and
urbanization.
The
simulation
stormwater
inundation
risk
assessment
environments
critical
for
sustainable
development
agglomerations.
However,
few
studies
have
focused
on
rainstorm
at
agglomeration
scale.
In
this
study,
Central
Southern
Liaoning
Agglomeration
(CSLN)
was
selected
a
case
study.
A
method
proposed
to
assess
potential
exposure
risk.
CSLN
characterized
by
average
depth
(AFD)
each
sub-catchment,
indicated
regional
population
results
illustrate
AFD
increased
with
increase
rainfall
return
period,
especially
core.
city
ranged
from
10
80
mm,
there
were
strong
differences
among
cities.
spatial
distribution
nine
cities
presented
aggregation
characteristics,
hotspots
mainly
concentrated
old
districts.
tended
as
period
100
years;
however,
significant
Among
them,
area
Shenyang
largest,
increasing
365
km2
under
10-year
463
100-year
period.
largest
proportion
Anshan,
which
3%
13.8%
periods.
Most
had
some
More
residents
populous
cities,
such
Dalian,
subject
higher
risks.
Benxi,
Tieling
high
severely
affected
areas,
although
size
their
much
smaller
than
Dalian.
apparently
business
government
zones
industrial
greenspace
zones.
These
methods
may
provide
references
mitigation
through
planning
areas.
Journal of Water and Climate Change,
Год журнала:
2024,
Номер
15(7), С. 3293 - 3311
Опубликована: Июнь 25, 2024
ABSTRACT
The
mismatch
between
water
supply
and
demand
challenges
sustainable
human–environment
development.
Understanding
future
supply–demand
dynamics
underlying
mechanisms
is
crucial
for
resource
sustainability.
This
study
presents
a
framework
analyzing
their
driving
under
land
use/land
cover
(LULC)
changes
in
China's
Han
River
(HR)
Basin
using
PLUS,
InVEST,
geographic
detector
models.
Results
show
precipitation
increased
slowly
(0.64)
from
2000
to
2020,
while
potential
evapotranspiration
slightly
decreased
(−0.02).
By
2030,
the
scenarios
of
natural
increase
scenario
(NIS),
economic
development
(EDS),
ecological
protection
(EPS),
significant
are
projected
forest,
cropland,
construction
land.
impact
LULC
on
concentrated
0.17
0.45%,
its
effect
significant,
approximately
10%.
security
index
(WSI)
HR
gradually
declined
0.118
0.078.
Particularly
EPS
scenario,
WSI
improves
(0.103).
In
future,
will
increasingly
influence
yield
conjunction
with
other
factors,
but
excessive
dampen
factors
yield.
enhances
understanding
balance
evolution,
enabling
conservation
coordination.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 6, 2024
Abstract
Soil
moisture
content
is
a
crucial
factor
in
hydrological
studies
as
it
helps
to
determine
the
rainfall
and
runoff
response
catchment.
Land
use,
particularly
cropping,
can
have
significant
effect
on
soil
content.
Hilly
topography
with
karst
features
more
prone
flooding
erosion
due
its
low
water
holding
capacity.
Remote
sensing
technology
has
recently
been
applied
agriculture
disaster
management.
The
aim
of
this
research
identify
characteristics
formations
for
estimation
using
remotely
sensed
imagery
from
Sentinel-1.
calculated
Topp
model
equation
based
dielectric
value
obtained
Dubois
model.
By
different
types
land
use
data
Sentinel-1,
CN
values
be
generated
then
used
estimate
runoff.
results
study
show
that
extracting
information
Sentinel-1A
VV
polarisation
areas
still
challenging
high
bias.
Sentinel-1
satellite
products
could
provide
real-time
integrated
This
highlights
importance
monitoring
flood
mitigation.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 23, 2024
Abstract
The
city
of
Bni
drar
in
the
NE
Morocco
experienced
frequent
and
regular
share
flood
events,
especially
at
its
main
road
where
it’s
commonly
submerged
by
floodwaters
during
these
events.
Because
crucial
significance
role
transportation
infrastructure
region,
this
study
aims
to
analyze
evaluate
hazard
Drar,
with
a
specific
focus
on
impact
national
N2
as
it
crosses
Sefrou
wadi.
Rainfall-runoff
transformation
was
conducted
using
HEC-HMS
model,
resulting
flow
hydrographs
for
10,
20,
50,
100
years
return
period.
These
constituted
an
input
IBER
hydrodynamic
enabling
simulation
depth
velocity
period
years.
Flood
categorized
taking
into
account
both
velocity.
maximum
water
area
is
2.7
meters
Regarding
velocity,
value
2
per
second.
acquired
maps
possess
capability
bolster
risk
management
within
research
region
furnishing
geospatial
decision
support
instrument
empower
local
authorities.
This
enables
prompt
execution
preventive
measures
against
risks
fortifies
resilience
territory.
Land,
Год журнала:
2024,
Номер
13(10), С. 1666 - 1666
Опубликована: Окт. 13, 2024
This
study
aims
to
investigate
the
coupling
and
harmonization
between
land
ecological
security
(LES)
high-quality
agricultural
development
(HAD)
in
Han
River
Basin
(HRB),
China,
with
objective
of
promoting
harmonious
coexistence
agriculture
ecosystems.
Using
17
cities
HRB
as
research
objects,
an
evaluation
index
system
two
systems,
LES
HAD,
was
constructed,
analyzed,
evaluated
via
projective
tracer
modeling
for
multiple
intelligent
genetic
algorithms
(MIGA-PTM).
The
degree
coordination
(DCC)
used
quantitatively
evaluate
status
obstacle
model
(OM)
identify
main
influencing
factors,
gray
predictive
first-order
univariate
(GM
(1,
1))
predict
DCC
HAD
from
2025
2040.
results
show
following:
(1)
levels
tended
increase
during
period,
there
a
large
gap
cities;
(2)
spatial
distributions
DCCs
were
uneven,
high
values
southern
low
central
northern
parts,
overall
fluctuate.
showed
fluctuating
upward
trend;
(3)
obstacles,
per
capita
water
resources,
greening
coverage,
rate
return
on
financial
expenditure
are
factors;
(4)
prediction
GM
1)
indicate
that
will
be
close
reaching
intermediate
stage
2035.
offers
critical
insights
into
sustainable
practices
facilitate
alignment
growth
preservation.
