Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(24), P. 5635 - 5635
Published: Dec. 5, 2023
Lightning
Electromagnetic
Pulses,
or
LEMPs,
propagate
in
the
Earth–ionosphere
waveguide
and
can
be
detected
remotely
by
ground-based
lightning
electric
field
sensors.
LEMPs
produced
different
types
of
processes
have
signatures.
A
single
thunderstorm
produce
thousands
which
makes
their
classification
virtually
impossible
to
carry
out
manually.
The
is
important
distinguish
thunderstorms
know
severity.
type
also
related
aerosol
concentration
reveal
wildfires.
Artificial
Intelligence
(AI)
a
good
approach
recognizing
patterns
dealing
with
huge
datasets.
AI
general
denomination
for
Machine
Learning
Algorithms
(MLAs)
including
deep
learning
others.
constant
improvements
show
us
that
most
Location
Systems
(LLS)
will
soon
incorporate
those
techniques
improve
performance
lightning-type
task.
In
this
study,
we
assess
MLAs,
SVM
(Support
Vector
Machine),
MLP
(Multi-Layer
Perceptron),
FCN
(Fully
Convolutional
Network),
Residual
Neural
Network
(ResNet)
task
LEMP
classification.
We
address
aspects
dataset
interfere
problem,
data
balance,
noise
level,
recorded
length.
Theoretical and Applied Climatology,
Journal Year:
2023,
Volume and Issue:
155(1), P. 1 - 44
Published: Aug. 28, 2023
Abstract
Atmospheric
extreme
events
cause
severe
damage
to
human
societies
and
ecosystems.
The
frequency
intensity
of
extremes
other
associated
are
continuously
increasing
due
climate
change
global
warming.
accurate
prediction,
characterization,
attribution
atmospheric
is,
therefore,
a
key
research
field
in
which
many
groups
currently
working
by
applying
different
methodologies
computational
tools.
Machine
learning
deep
methods
have
arisen
the
last
years
as
powerful
techniques
tackle
problems
related
events.
This
paper
reviews
machine
approaches
applied
analysis,
most
important
extremes.
A
summary
used
this
area,
comprehensive
critical
review
literature
ML
EEs,
provided.
has
been
extended
rainfall
floods,
heatwaves
temperatures,
droughts,
weather
fog,
low-visibility
episodes.
case
study
focused
on
analysis
temperature
prediction
with
DL
is
also
presented
paper.
Conclusions,
perspectives,
outlooks
finally
drawn.
Geoscientific model development,
Journal Year:
2024,
Volume and Issue:
17(6), P. 2347 - 2358
Published: March 21, 2024
Abstract.
In
recent
years,
deep
learning
models
have
rapidly
emerged
as
a
stand-alone
alternative
to
physics-based
numerical
for
medium-range
weather
forecasting.
Several
independent
research
groups
claim
developed
forecasts
that
outperform
those
from
state-of-the-art
models,
and
operational
implementation
of
data-driven
appears
be
drawing
near.
However,
questions
remain
about
the
capabilities
with
respect
providing
robust
extreme
weather.
This
paper
provides
an
overview
developments
in
field
scrutinises
challenges
events
pose
leading
models.
Lastly,
it
argues
need
tailor
forecast
proposes
foundational
workflow
develop
such
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,
Journal Year:
2024,
Volume and Issue:
17, P. 3701 - 3714
Published: Jan. 1, 2024
This
paper
explores
the
enhancement
of
Global
Navigation
Satellite
Systems
(GNSS)
tropospheric
tomography
by
integrating
remote
sensing
data
and
employing
various
vertical
constraints.
Wet
refractivity
modeling,
critical
for
understanding
atmospheric
dynamics,
has
shown
promising
advancements.
Leveraging
from
Ocean
Land
Color
Instrument
(OLCI),
this
research
addresses
issue
empty
voxels
that
impede
GNSS-based
due
to
satellite
receiver
geometries.
Incorporating
sensors
mitigates
voxels,
enhancing
retrieval
accuracy
water
vapor.
study
evaluates
constraint
functions
in
tomography,
presenting
eight
schemes
utilize
GNSS
OLCI
data,
highlighting
their
capacity
fill
without
relying
on
empirical
horizontal
Results
highlight
superiority
using
observations
accuracy.
Validation
against
radiosonde
measurements
Weather
Research
Forecasting
(WRF)
model
outputs
affirms
reliability
approach.
Integrating
with
reduces
average
Root
Mean
Square
Error
(RMSE)
approximately
27%,
Gaussian
function
exhibiting
superior
performance.
Water,
Journal Year:
2023,
Volume and Issue:
15(4), P. 826 - 826
Published: Feb. 20, 2023
Every
farmer
requires
access
to
rainfall
prediction
(RP)
continue
their
exploration
of
harvest
yield.
The
proper
use
water
assets,
the
successful
collection
water,
and
pre-growth
construction
all
depend
on
an
accurate
assessment
rainfall.
heavy
rain
provision
information
regarding
natural
catastrophes
are
two
most
challenging
factors
in
this
regard.
In
twentieth
century,
RP
was
methodically
technically
complicated
issue
worldwide.
Weather
may
be
used
calculate
analyse
behaviour
weather
with
unique
features
determine
patterns
at
exact
locale.
To
end,
a
variety
methodologies
have
been
intensity
Saudi
Arabia.
classification
methods
data
mining
(DM)
approaches
that
estimate
both
numerically
categorically
can
achieve
RP.
This
study,
which
DM
approaches,
achieved
greater
accuracy
than
conventional
statistical
methods.
study
conducted
test
efficacy
several
machine
learning
(ML)
for
forecasting
rainfall,
utilising
southern
Arabia’s
historical
obtained
from
live
database
comprises
various
meteorological
variables.
Accurate
crop
yield
predictions
crucial
would
undoubtedly
assist
farmers.
While
engineers
developed
analysis
systems
whose
performance
relies
connected
factors,
these
seldom
despite
potential
precise
forecasts.
For
reason,
agricultural
should
make
impact
drought
difficult
forecast
there
is
need
careful
preparation
choice,
planting
window,
motive,
storage
space.
relevant
characteristics
required
predict
precipitation
were
identified
ML
approach
utilised
innovative
method
whether
predicted
will
regular
or
heavy.
outcomes
different
methodologies,
including
accuracy,
error,
recall,
F-measure,
RMSE,
MAE,
evaluate
metrics.
Based
evaluation,
it
determined
DT
provides
highest
level
accuracy.
Function
Fitting
Artificial
Neural
Network
classifier
(FFANN)
96.1%,
higher
any
other
classifiers
currently
database.
Journal of Meteorological Research,
Journal Year:
2024,
Volume and Issue:
38(3), P. 558 - 569
Published: June 1, 2024
Abstract
Wind
direction
nowcasting
is
crucial
in
various
sectors,
particularly
for
ensuring
aviation
operations
and
safety.
In
this
context,
the
TELMo
(Time-series
Embeddings
from
Language
Models)
model,
a
sophisticated
deep
learning
architecture,
has
been
introduced
work
enhanced
wind-direction
nowcasting.
Developed
by
using
three
years
of
data
multiple
stations
complex
terrain
an
international
airport,
incorporates
horizontal
u
(east–west)
v
(north–south)
wind
components
to
significantly
reduce
forecasting
errors.
On
day
with
high
variability,
achieved
mean
absolute
error
values
5.66
2-min,
10.59
10-min,
14.79
20-min
forecasts,
processed
within
swift
9-ms/step
timeframe.
Standard
degree-based
analysis,
comparison,
yielded
lower
performance,
emphasizing
effectiveness
components.
contrast,
Vanilla
neural
network,
representing
shallow-learning
approach,
underperformed
all
analyses,
highlighting
superiority
methodologies
efficient
capable
accurately
air
traffic
operations,
less
than
20°
97.49%
predictions,
aligning
recommended
thresholds.
This
model
design
enables
its
applicability
across
geographical
locations,
making
it
versatile
tool
global
meteorology.
Journal of Geophysical Research Biogeosciences,
Journal Year:
2024,
Volume and Issue:
129(8)
Published: Aug. 1, 2024
Abstract
As
a
potential
carbon
sink,
mangroves
play
an
important
role
in
climate
mitigation.
India
houses
several
major
global
mangrove
patches,
which
remain
vulnerable
to
change.
The
ecosystem‐atmosphere
CO
2
exchange
is
most
accurately
measured
by
the
eddy
covariance
method,
whereas
satellites
provide
biophysical
parameters
for
wider
area.
In
present
study,
Sentinel‐2
satellite
data
used
map
land
cover
types
Pichavaram
forest
and
identify
two
dominant
species
(
Rhizophora
spp.
Avicennia
marina
),
indicated
more
than
95%
classification
accuracy.
We
years
(2017
2018)
of
situ
gross
primary
productivity
(GPP)
leaf
area
index
(LAI)
measurements
rectified
Moderate
Resolution
Imaging
Spectroradiometer
(MODIS)
GPP
LAI
products
from
2010
2018.
modified
MODIS
were
develop
machine
learning
models,
that
is,
Random
Forest
(RF)
Extreme
Gradient
Boosting
(XGBoost)
study
influence
on
productivity.
RF
model
R
=
0.85
root
mean
square
error
(RMSE)
0.2)
outperformed
XGBoost
0.75
RMSE
0.26)
was
project
impact
change
extreme
scenarios,
namely
SSP1‐1.26
SSP5‐8.5.
increases
decreases
future
during
wet
dry
periods,
respectively.
Overall,
projected
reduction
3.73%–20.3%
2050
2060
4.82%–28.15%
2090
2100,
compared
its
current
average
(from
2018).