Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 12, 2023
Abstract
Floods
are
one
of
the
most
devastating
natural
events
that
threaten
social
and
economic
conditions
more
than
any
other
disaster.
Therefore,
aim
this
study
was
to
map
Iso-severity
flood
patterns
determining
seasonality
over
different
return
periods
in
Ardabil
province,
Iran
with
diverse
relief
climatic
regions.
Thus,
data
32
River
Gauge
Stations
(RGS)
were
used
spatiotemporal
analysis
a
40-year
recorded
period.
EasyFit
software
determine
appropriate
statistical
distribution
for
discharge
at
2-,
5-,
10-,
25-,
50-
100-year
periods.
Then,
frequency
monthly
seasonal
quantified
each
RGS.
significant
trend
RGS
tested,
explored.
According
results,
it
can
be
said
studied
RGS,
about
63.63%
floods
occurred
April.
On
hand,
showed
maximum
number
percentage
assigned
spring
season
As
some
stations
such
as
Yamchi,
Nouran,
Naneh-Karan,
Mashiran,
Amouqin,
Doroud
Pole-
Almas,
almost
100%
related
shows
province
floods.
mapping
higher
central
northern
regions
southern
highlands
area.
It
is
necessary
areas
while
conducting
studies,
proper
planning
should
considered
focus
on
Integrated
Watershed
Management
(IWM)
order
reduce
occurrence
future
minimize
its
human
losses.
Environmental Earth Sciences,
Год журнала:
2023,
Номер
82(17)
Опубликована: Авг. 9, 2023
Abstract
Groundwater
quality
(GWQ)
monitoring
is
one
of
the
best
environmental
objectives
due
to
recent
droughts
and
urban
rural
development.
Therefore,
this
study
aimed
map
GWQ
in
central
plateau
Iran
by
validating
machine
learning
algorithms
(MLAs)
using
game
theory
(GT).
On
basis,
chemical
parameters
related
water
quality,
including
K
+
,
Na
Mg
2+
Ca
SO
4
2−
Cl
−
HCO
3
pH,
TDS,
EC,
were
interpolated
at
39
sampling
sites.
Then,
random
forest
(RF),
support
vector
(SVM),
Naive
Bayes,
K-nearest
neighbors
(KNN)
used
Python
programming
language,
was
plotted
concerning
GWQ.
Borda
scoring
validate
MLAs,
sample
points
prioritized.
Based
on
results,
among
ML
algorithms,
RF
algorithm
with
error
statistics
MAE
=
0.261,
MSE
0.111,
RMSE
0.333,
AUC
0.930
selected
as
most
optimal
algorithm.
created
algorithm,
42.71%
studied
area
poor
condition.
The
proportion
region
classes
moderate
high
18.93%
38.36%,
respectively.
results
prioritization
sites
GT
showed
a
great
similarity
between
model.
In
addition,
analysis
condition
critical
non-critical
based
that
aspects,
carbonate
balance,
salinity
general,
it
can
be
said
simultaneous
use
MLA
provides
good
basis
for
constructing
Iran.
Natural Resource Modeling,
Год журнала:
2023,
Номер
36(4)
Опубликована: Июнь 13, 2023
Abstract
Environmental
planning
facilitates
decision‐making
to
achieve
sustainable
development
goals
and
provides
a
crucial
way
integrated
watershed
management
(IWM).
However,
such
systematic
has
not
been
adequately
conducted
worldwide.
Therefore,
this
study
was
develop
an
IWM
framework
using
SWOT
(i.e.,
strengths,
weaknesses,
opportunities,
threats)
model
for
the
Cheshmeh–Kileh
Watershed,
Mazandaran
Province,
Iran.
The
input
components
were
comparatively
weighted
different
multicriteria
(MCDM)
techniques,
including
Game
Theory
Algorithm
(GTA),
Best–Worst
Method
(BWM),
VIekriterijumsko
KOmpromisno
Rangiranje
(VIKOR),
Technique
Order
of
Preference
by
Similarity
Ideal
Solution
(TOPSIS),
Simple
Additive
Weighting
(SAW).
Semistructured
interviews
with
stakeholders,
residents,
executive
experts,
policymakers,
used
identify
factors.
number
interviewees
in
subgroups
local
users,
policy‐making
institutions
organization
75,
13,
6
respectively.
Five
MCDM
techniques
then
calculate
overall
weight
According
results,
groups
factors
abundant
water
resources,
severe
floods,
promotion
environmental
conservation
culture,
increasing
migration
young
age
respective
weights
0.298,
0.372,
0.279
scored
higher
than
other
Based
on
weights,
it
can
be
said
that
positive
more
points
negative
according
opinions
Watershed
good
condition
based
strengths
opportunities
compared
weaknesses
threats,
reason,
GTA
SAW,
which
had
included
status
growth
strategy,
selected
as
best
method.
BWM
TOPSIS
provided
relatively
acceptable
weakest
result
associated
VIKOR,
showed
defensive
strategy.
present
results
help
managers
optimal
decisions
create
ecological
balance
increase
welfare
residents.
Groundwater for Sustainable Development,
Год журнала:
2024,
Номер
26, С. 101216 - 101216
Опубликована: Май 31, 2024
The
eco-physical
health
assessment
of
watersheds
is
crucial
for
sustainable
water
resource
management
and
ecosystem
services.
This
study
quantifies
the
Talar
watershed
in
Iran
using
geometric
mean
method
(GMM),
game-theoretic
algorithm
(GTA),
machine
learning
algorithms
including
Random
Forest
(RF),
Support
Vector
Machine
(SVM),
Simple
Linear
Regression
(SLR),
K-Nearest
Neighbor
(KNN)
distributed
semi-distributed
monitoring.
results
show
that
RF
performed
better
than
other
models,
as
indicated
by
MAE,
MSE,
RMSE,
AUC
statistics
with
values
0.032,
0.003,
0.058,
0.940,
respectively.
index
prioritization
different
approaches
showed
pattern
changes
positively
from
upstream
to
downstream.
Based
on
GMM,
it
can
be
said
sub-watersheds
Int6
Int5
are
healthiest
studied
watershed,
0.93
0.90,
GTA
approach,
also
Int6,
Int5,
Int01
ones.
In
case
algorithm,
average
pixels
each
sub-watershed
were
recognized
0.91
0.88,
consistently
emerged
across
all
methods,
attributed
high
TWI
NDVI
low
slope,
DEM,
erosion,
CN
values.
general,
catchment
fully
followed
factors
affecting
catchment's
spatial
patterns
change
this
consistent
physiographic
hydroclimatic
conditions
three
approaches.
study's
implications
underline
importance
multi-criteria
multi-algorithm
accurately
assessing
managing
development.
World Water Policy,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 2, 2025
ABSTRACT
Watershed
degradation
is
a
significant
global
problem,
and
as
mountainous
nation,
Nepal
faces
even
greater
challenges
in
managing
its
water
resources.
Because
it
largely
unrealistic
to
execute
management
plans
at
time
for
large
spatial
extent,
subwatershed
prioritization
has
now
become
promising
approach
watersheds.
Our
study
delineated
prioritize
subwatersheds
the
Gandaki
Province,
Nepal,
utilizing
geospatial
technique‐based
morphometric
analysis
first
provincial
level.
Using
Digital
Elevation
Model
having
30‐m
resolution
ArcGIS,
we
121
across
province,
ranging
size
from
29
796
km
2
.
Subwatersheds
were
quantitatively
ranked
by
assigning
60%
weight
biophysical
parameters
40%
anthropogenic
factors.
The
study's
novel
inclusion
of
road
network
density
livestock
within
aspect,
each
assigned
10
points,
alongside
population
that
received
20
points.
Eleven
subwatersheds,
one
district,
prioritized
because
highest
risk.
Myagdi
Khola
3
covering
an
area
309
,
Kali
Nadi
1
Parbat
33
two
with
score
100.
scoring
higher
priorities
should
be
adopted
development
programs
immediate
effect.
This
directly
contributes
Sustainable
Development
Goals
promoting
targeted
action
resource
management,
supporting
ecosystem
preservation,
climate
resilience.
DELETED,
Год журнала:
2023,
Номер
89(2), С. 376 - 385
Опубликована: Апрель 24, 2023
Sub-basins
prioritization
is
considered
an
essential
procedure
in
ecosystem
management
and
planning
on
watershed
scales.
Integrating
morphometric
parameters
remote-sensing
data
(RS)
a
geographic
information
system
(GIS)
environment
provides
advanced
platform
that
effectively
investigates
sub-basins
prioritization.
In
the
current
study,
eight
belonging
to
Barada
river
basin
was
investigated
by
utilizing
assessment
order
comprehensively
specify
for
conservation
strategies.
The
final
map
evaluates
classes:
low,
moderate,
high,
very
high.
results
also
determines
SB8,
SB4,
SB3,
SB7
SB6
have
highest
prioritization,
which,
turn,
refers
urgent
need
conserving
measures.
Totally,
spatial
outcomes
of
present
study
constructively
proved
efficiency
extracted
layers
from
RS-data
regard
evaluation
basin;
they
include
important
tool
post-war
environmental
rehabilitation
basins
Syria.