Remote sensing of total suspended matter of inland waters: Past, current status, and future directions
Ecological Informatics,
Год журнала:
2025,
Номер
unknown, С. 103062 - 103062
Опубликована: Фев. 1, 2025
Язык: Английский
Identification of Potential Hydropower Generation Sites using Geospatial techniques in the Megecha Watershed of Ethiopia
Heliyon,
Год журнала:
2025,
Номер
11(2), С. e42063 - e42063
Опубликована: Янв. 1, 2025
The
research
focuses
on
modelling
the
surface
water
potential
using
Arc
SWAT
and
Multi-criteria
decision-making
(MCDM)
for
selecting
hydropower
sites
in
Megecha
watershed.
tenure
stream
flow
meteorological
data
used
model
simulation
is
from
1990
to
2019
1988-2019
respectively.
Geospatial
method
generate
gross
head
respective
hydropower.
Multi
criteria
decision
adopted
select
best
site
generation.
Curve
number
(CN2),
saturated
hydraulic
conductivity
(SOL_K),
moist
bulk
density
(SOL_BD),
available
moisture
soil
layer
(SOL_AWC)
were
among
most
sensitive
parameters
assessed
during
research.
performance
of
obtained
R2,
NSE
PBIAS
0.84,
0.78
-4.6
0.81,
0.72
-4.8
percentages
calibration
validation
periods,
Based
duration
curve,
minimum
river
percent
exceedance
90
%
(Q90)
1,
2,
3
are
0.37
m3/s,
0.45
0.48
heads
corresponding
identified
15,
25,
20
m
54.45
KW,
110.36
94.18
KW
at
site1,
3,
From
GIS
based
MCDM
analysis,
alternative
generation
comparison
sites.
total
watershed
area
was
1176
km2
which,
308.65
million
m3
runoff
generated
by
annually.
has
high
potential,
rivers
have
enough
that
may
be
development.
Язык: Английский
Research on the Threshold of the Transverse Gradient of the Floodplain in the Lower Yellow River Based on a Flood Risk Assessment Model
Water,
Год журнала:
2024,
Номер
16(17), С. 2533 - 2533
Опубликована: Сен. 6, 2024
Due
to
the
influence
of
water
and
sediment
conditions,
engineering
projects,
channel
erosion
siltation,
river-related
factors,
human
activities
(such
as
adjustments
in
floodplain
production
structures
village
construction),
there
have
been
significant
variations
transverse
gradient
lower
Yellow
River.
An
irrational
can
lead
rapid
conversion
gravitational
potential
energy
into
kinetic
during
flood
evolution
process,
resulting
increased
flow
velocity
inundated
areas.
Exploring
reasonable
gradients
provide
technical
support
for
management.
Using
“flood
risk
assessment”
a
keyword,
research
papers
from
Web
Science
core
database
CNKI
published
past
five
years
were
collected.
Through
VOS
viewer
analysis
indicators,
assessment
model
based
on
“Source–Path–Receptor–Consequence–Resilience”
framework
was
established.
A
two-dimensional
used
simulate
inundation
scenarios
with
different
same
event,
evaluate
risks
floodplain,
determine
optimal
levels.
The
results
indicate
that,
compared
low
gradients,
moderate
high
more
driving
effect
inundation,
increasing
opportunities
floodplains.
Lower
(i.e.,
TG
=
10LG
1.25‰)
are
most
favorable
protection
after
inundation.
Язык: Английский