Evaluating the Accuracy of the ERA5 Model in Predicting Wind Speeds Across Coastal and Offshore Regions
Mohamad Alkhalidi,
No information about this author
Abdullah N. Al–Dabbous,
No information about this author
Shoug Kh. Al-Dabbous
No information about this author
et al.
Journal of Marine Science and Engineering,
Journal Year:
2025,
Volume and Issue:
13(1), P. 149 - 149
Published: Jan. 16, 2025
Accurate
wind
speed
and
direction
data
are
vital
for
coastal
engineering,
renewable
energy,
climate
resilience,
particularly
in
regions
with
sparse
observational
datasets.
This
study
evaluates
the
ERA5
reanalysis
model’s
performance
predicting
speeds
directions
at
ten
offshore
stations
Kuwait
from
2010
to
2017.
analysis
reveals
that
effectively
captures
general
patterns,
demonstrating
stronger
correlations
(up
0.85)
higher
Perkins
Skill
Score
(PSS)
values
0.94).
However,
model
consistently
underestimates
variability
extreme
events,
especially
stations,
where
correlation
coefficients
dropped
0.35.
Wind
highlighted
ERA5’s
ability
replicate
dominant
northwest
patterns.
it
notable
biases
underrepresented
during
transitional
seasons.
Taylor
diagrams
error
metrics
further
emphasize
challenges
capturing
localized
dynamics
influenced
by
land-sea
interactions.
Enhancements
such
as
calibration
using
high-resolution
datasets,
hybrid
models
incorporating
machine
learning
techniques,
long-term
monitoring
networks
recommended
improve
accuracy.
By
addressing
these
limitations,
can
more
support
engineering
applications,
including
infrastructure
design
energy
development,
while
advancing
Kuwait’s
sustainable
development
goals.
provides
valuable
insights
into
refining
complex
environments.
Language: Английский
Understanding “8.12” Flash Flood in Suizhou, China: A Meteorological Analysis and Implications for Multi-scale Prevention Strategies
Enze Jin,
No information about this author
Xiekang Wang
No information about this author
International Journal of Disaster Risk Reduction,
Journal Year:
2025,
Volume and Issue:
unknown, P. 105397 - 105397
Published: March 1, 2025
Language: Английский
Development of a fast radiative transfer model for ground-based microwave radiometers (ARMS-gb v1.0): validation and comparison to RTTOV-gb
Geoscientific model development,
Journal Year:
2025,
Volume and Issue:
18(6), P. 1947 - 1964
Published: March 25, 2025
Abstract.
This
study
proposes
a
fast
radiative
transfer
model,
the
Advanced
Radiative
Transfer
Modeling
System
–
ground-based
(ARMS-gb),
designed
to
simulate
brightness
temperatures
observed
by
microwave
radiometers.
ARMS-gb
employs
clear-sky
solver
account
for
atmospheric
thermal
emissions,
while
gaseous
absorption
is
estimated
using
statistical
regression
scheme.
To
enhance
simulation
accuracy,
particularly
in
moist
environments,
seven
humid
profiles
from
University
of
Maryland,
Baltimore
County
48-profile
dataset
are
added
European
Centre
Medium-Range
Weather
Forecasts
83-profile
train
Additionally,
an
advanced
water
vapor
vertical
interpolation
method
incorporated,
offering
improved
accuracy
compared
used
TOVS
(RTTOV)-gb.
The
standard
deviation
reduced
0.15
K
channels
with
strong
absorption.
Jacobians
calculated
these
two
modes
also
different.
further
validate
ARMS-gb's
performance,
simulations
both
and
RTTOV-gb
against
real
observations
observation
minus
background
analyses
demonstrates
that
aligns
well
achieves
smaller
deviations
under
high-humidity
conditions.
Furthermore,
capability
monitor
observational
quality
radiometers
demonstrated.
Language: Английский
Unveiling the intricate dynamics of PM2.5 sulfate aerosols in the urban boundary layer: A pioneering two-year vertical profiling and machine learning-enhanced analysis in global Mega-City
Urban Climate,
Journal Year:
2025,
Volume and Issue:
61, P. 102424 - 102424
Published: April 16, 2025
Language: Английский
Combined Wind Turbine Protection System
Energies,
Journal Year:
2024,
Volume and Issue:
17(20), P. 5074 - 5074
Published: Oct. 12, 2024
The
increasing
deployment
of
wind
turbines
in
technologically
advanced
nations
underscores
the
need
to
enhance
their
reliability,
extend
operational
lifespan,
and
minimize
failures.
current
protection
devices
for
turbine
components
do
not
sufficiently
shield
them
from
various
external
factors
that
degrade
performance.
This
study
addresses
environmental
technical
challenges
disrupt
operations
reviews
existing
research
solutions
protecting
individual
components,
supported
by
experimental
findings.
Using
a
decomposition
method
followed
integration
we
propose
combined
system
designed
improve
overall
resilience
turbines.
proposed
aims
reduce
incidents,
service
life,
increase
addressing
critical
gap
energy
technology
contributing
its
continued
development
efficiency.
Language: Английский
A Multi-Farm Global-to-Local Expert-Informed Machine Learning System for Strawberry Yield Forecasting
Agriculture,
Journal Year:
2024,
Volume and Issue:
14(6), P. 883 - 883
Published: June 2, 2024
The
importance
of
forecasting
crop
yields
in
agriculture
cannot
be
overstated.
effects
yield
are
observed
all
the
aspects
supply
chain
from
staffing
to
supplier
demand,
food
waste,
and
other
business
decisions.
However,
process
is
often
inaccurate
far
perfect.
This
paper
explores
potential
using
expert
forecasts
enhance
predictions
our
global-to-local
XGBoost
machine
learning
system.
Additionally,
it
investigates
ERA5
climate
model’s
viability
as
an
alternative
data
source
for
absence
on-farm
weather
data.
We
find
that,
by
combining
both
expert’s
pre-season
model
with
model,
we
can—in
most
cases—obtain
better
that
outperform
growers’
learning-only
models.
Our
expert-informed
attains
4
weeks
ahead
average
RMSE
0.0855
across
plots
0.0872
included.
Language: Английский