A Hydrologic Modeling Assessment of Future Water Scarcity in the Baitarani River Basin
Water science and technology library,
Год журнала:
2025,
Номер
unknown, С. 499 - 526
Опубликована: Янв. 1, 2025
Язык: Английский
Flood susceptibility mapping in the Tongo Bassa watershed through GIS, remote sensing and frequency ratio model
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 8, 2024
Abstract
Flooding
constitutes
a
major
problem
for
the
inhabitants
of
Douala
City
in
general
and
those
Tongo
Bassa
watershed
(TBW)
particular.
Faced
with
this
situation,
public
authorities
need
to
put
place
measures
mitigate
vulnerability
populations
these
disasters.
This
article
aims
map
flooding
risk
areas
TBW
using
geographic
information
system
(GIS),
field
data
(historical
flood
points),
remote
sensing
(Sentinel
II
image)
frequency
ratio
(FR)
model.
Six
independent
variables
linked
floods
were
considered
(land
use
land
cover
patterns,
altitudes,
slopes,
drainage
densities,
distances
from
watercourses
soil
types).
The
patterns
was
obtained
following
supervised
classification
Landsat
8
image
ENVI
5.2
software.
other
five
(05)
automatically
generated
digital
terrain
model
ArcGIS
10.2
produced
shows
that
1.41%,
8.88%,
28.51%,
33.86%
27.33%
basin
area
are
respectively
delimited
into
very
low,
medium,
high
classes.
High
(those
where
is
most
likely
occur)
occupy
more
than
half
(61.19%).
These
characterized
by
significant
imperviousness,
low
weak
proximity
clayey
soils.
Most
houses
(66.92%)
located
affected
two
levels
exposure
(high
high).
With
respective
success
prediction
accuracy
rates
89%
96.78%,
certain
confidence
deserves
be
placed
on
produced.
results
study
could
serve
as
decision-support
tools
context
various
developments
undertaken
authorities,
fight
against
basin.
Язык: Английский
A Multi-Objective Scenario Study of County Land Use in Loess Hilly Areas: Taking Lintao County as an Example
Sustainability,
Год журнала:
2024,
Номер
16(8), С. 3178 - 3178
Опубликована: Апрель 10, 2024
Land
use
serves
as
a
connecting
link
between
human
activities
and
the
natural
ecology
of
surface;
under
multi-objective
background
national
policies
dual-carbon
tasks,
land
transformation
is
studied
simulated
in
multiple
scenarios,
carbon
stock
changes
are
analyzed
based
on
future
to
explore
path
for
region
achieve
coordination.
Drawing
upon
data
from
2000
2020
Lintao
County,
Gansu
Province,
we
conducted
an
in-depth
analysis
dynamics
governing
transformation.
Subsequently,
employing
FLUS
(Future
Use
Simulation)
model,
projected
County
2035
various
scenarios.
Furthermore,
utilized
InVEST
(Integrated
Valuation
Ecosystem
Services
Trade-offs)
model
assess
change
within
study
area
each
scenario.
These
analyses
aim
furnish
robust
scientific
foundation
planning
endeavors
County.
The
conclusions
follows:
(1)
transition
showed
strongest
motivation
construction
growth,
with
continued
rapid
growth
scale
urban
other
relatively
slow
rural
settlement
areas,
while
cropland
water
areas
decrease,
forest
grew
slowly,
magnitude
exhibited
higher
intensity
river
townships
compared
mountainous
townships.
(2)
simulation
results
protection
scenario
(CPS),
ecological
(EPS),
economic
development
(EDS),
comprehensive
(CDS)
better.
Among
them,
CDS,
which
considers
types
higher-level
strategic
requirements
can
compensate
single-goal
nature
single-demand
scenario,
demonstrates
level
rationality
pattern.
(3)
total
descending
order
EPS,
EDS,
CPS.
these,
CDS
at
stock,
site
more
balanced,
ideal
state
line
Язык: Английский