Ocean Engineering,
Journal Year:
2023,
Volume and Issue:
289, P. 115868 - 115868
Published: Nov. 9, 2023
The
complexity
and
diversity
of
ship
traffic
conditions
have
burdened
maritime
safety
because
the
increasing
transportation,
especially
in
waters
around
busy
ports.
A
shipping
route
modelling
approach
port
areas
is
presented
for
identification
monitoring
characterized
by
confluence
routes
approaching
entrance.
In
this
study,
a
clustering-based
adopted,
which
involves
identifying
trajectories
different
motion
patterns
corresponding
to
in-port
out-port
based
on
Principal
Component
Analysis
K-mean
clustering
algorithms.
Subsequently,
centrelines
are
estimated
each
using
Soft
Dynamic
Time
Wrapping
barycentre
averaging
algorithm
from
near
centre
trajectory
defined
Wrapping.
Afterwards,
boundaries
generated
with
optimal
distribution
conjunction
points
at
observation
lines
along
centrelines.
Finally,
case
study
Leixões
Portugal
coast
indicates
that
proposed
framework
practical
model
facilitates
prudent
selection
vessels,
ensuring
promoting
effective
supervision.
Earth Science Informatics,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 1, 2025
Abstract
The
significance
of
drought
monitoring
and
prediction
systems
has
grown
substantially
due
to
the
escalating
impacts
climate
change.
However,
existing
tools
for
analysis
face
several
limitations,
including
restricted
functionality
single-variable
indices,
reliance
on
predefined
probability
distributions,
lack
flexibility
in
choosing
need
advanced
programming
expertise.
These
constraints
hinder
comprehensive
accurate
assessments.
This
study
introduces
DroughtStats,
a
novel,
user-friendly
software
designed
overcome
these
challenges
enhance
capabilities.
DroughtStats
integrates
statistical
analyze
hydrometeorological
data,
compute
both
multivariable
indices
using
empirical
parametric
methods,
evaluate
characteristics
with
improved
accuracy.
Notably,
it
supports
broader
range
performs
copula-based
analyses,
estimates
potential
evapotranspiration
multiple
Penman–Monteith.
Additionally,
can
relationship
between
different
datasets
techniques
like
Kendall’s
tau.
By
addressing
limitations
tools,
provides
more
flexible
approach
monitoring.
Its
versatility
global
applicability
are
demonstrated
through
case
Turkey’s
Çoruh
River
Basin
(CRB),
where
based
precipitation
streamflow
calculated
characterize
conditions.
results
show
that
successfully
identify
events
at
various
time
scales,
providing
valuable
insights
into
severity,
frequency,
recovery,
offering
reliable
tool
ongoing
management.
