MA-SARNet: A one-shot nowcasting framework for SAR image prediction with physical driving forces
ISPRS Journal of Photogrammetry and Remote Sensing,
Год журнала:
2023,
Номер
205, С. 176 - 190
Опубликована: Окт. 12, 2023
Язык: Английский
A Systematic Review of Deep Learning Applications in Streamflow Data Augmentation and Forecasting
EarthArXiv (California Digital Library),
Год журнала:
2022,
Номер
unknown
Опубликована: Сен. 26, 2022
The
volume
and
variety
of
Earth
data
have
increased
as
a
result
growing
attention
to
climate
change
and,
subsequently,
the
availability
large-scale
sensor
networks
remote
sensing
instruments.
This
has
been
an
important
resource
for
data-driven
studies
generate
practical
knowledge
services,
support
environmental
modeling
forecasting
needs,
transform
earth
science
research
thanks
computational
resources
popularity
novel
techniques
like
deep
learning.
Timely
accurate
simulation
extreme
events
are
critical
planning
mitigation
in
hydrology
water
resources.
There
is
strong
need
short-term
long-term
forecasts
streamflow,
benefiting
from
recent
developments
learning
methods.
In
this
study,
we
review
literature
that
employ
tackling
tasks
either
improve
quality
streamflow
or
forecast
streamflow.
study
aims
serve
starting
point
by
covering
latest
approaches
those
topics
well
highlighting
problems,
limitations,
open
questions
with
insights
future
directions.
Язык: Английский
MA-SARNet: A one-shot nowcasting framework for SAR image prediction with physical driving forces
EarthArXiv (California Digital Library),
Год журнала:
2022,
Номер
unknown
Опубликована: Дек. 19, 2022
Remote
sensing
imagery
is
one
of
the
most
widely
used
data
sources
for
large-scale
Earth
observations
with
consistent
spatial
and
temporal
quality.
However,
current
usage
scenarios
Earth’s
surface
remote
images,
such
as
those
generated
from
Landsat,
Sentinel
2,
SAR,
are
largely
limited
to
retrospective
tasks,
they
often
reconstruct
existing
phenomena,
land
use
change,
flood
inundation,
wildfire.
This
study
proposes
MA-SARNet,
a
one-shot
nowcasting
framework
built
modified
MA-Net
structure
ResNet50
backbone,
predict
backscatter
values
Synthetic-Aperture
Radar
(SAR)
images
using
previous
SAR
observations,
precipitation,
soil
moisture,
geomorphic
layers
input.
The
model
was
trained,
validated,
tested
collected
during
catastrophic
2019
Midwest
U.S.
Floods
that
affected
several
states
on
Missouri
Mississippi
River
tributaries.
Compared
benchmark
performance,
predictions
show
an
increase
31.9%
17.8%
mean
median
AAI
(Assemble
Accuracy
Index)
37.9%
15.1%
NSE
(Nash-Sutcliffe
Efficiency)
test
set.
Results
showed
extent
derived
has
less
misclassifications
caused
by
pixel-level
noise
compared
map
real
backscatters.
robustness
tests
demonstrate
sufficient
generalization
potential
does
not
require
further
fine-tuning
work
new
data,
therefore
proves
its
usefulness
in
real-time
prediction
tasks
aimed
at
fast
response
mitigation
upcoming
floods
tight
time
schedule.
Язык: Английский
Democratizing Deep Learning Applications in Earth and Climate Sciences on the Web: EarthAIHub
Applied Sciences,
Год журнала:
2023,
Номер
13(5), С. 3185 - 3185
Опубликована: Март 2, 2023
Most
deep
learning
application
studies
have
limited
accessibility
and
reproducibility
for
researchers
students
in
many
domains,
especially
earth
climate
sciences.
In
order
to
provide
a
step
towards
improving
the
of
models
such
disciplines,
this
study
presents
community-driven
framework
repository,
EarthAIHub,
that
is
powered
by
TensorFlow.js,
where
can
be
tested
run
without
extensive
technical
knowledge.
achieve
this,
we
present
configuration
data
specification
form
middleware,
an
abstraction
layer,
between
models.
Once
easy-to-create
file
generated
model
user,
EarthAIHub
seamlessly
makes
publicly
available
testing
access
using
web
platform.
The
platform
community-enabled
repository
will
benefit
who
are
new
domain
enabling
them
test
existing
community
with
their
datasets,
share
novel
community.
help
before
adapting
research
learn
about
model’s
details
performance.
Язык: Английский
Temporal and Spatial Satellite Data Augmentation for Deep Learning-Based Rainfall Nowcasting
EarthArXiv (California Digital Library),
Год журнала:
2023,
Номер
unknown
Опубликована: Окт. 3, 2023
Climate
change
has
been
associated
with
alterations
in
precipitation
patterns
and
increased
vulnerability
to
floods
droughts.
The
need
for
improvements
forecasting
monitoring
approaches
become
imperative
due
flash
severe
flooding.
Rainfall
prediction
is
a
challenging
but
critical
issue
owing
the
complexity
of
atmospheric
processes,
spatial
temporal
variability
rainfall,
dependency
this
on
several
nonlinear
factors.
Because
excessive
rainfall
cause
natural
disasters
such
as
landslides,
accurate
real-time
nowcast
necessary
precautions,
control,
planning.
In
study,
nowcasting
studied
utilizing
NASA
Giovanni
satellite-derived
products
convolutional
long
short-term
memory
(ConvLSTM)
approach,
which
variation
LSTM.
Due
data
requirements
deep
learning-based
methods,
augmentation
performed
using
interpolation
techniques.
study
utilized
three
types
data,
including
spatial,
temporal,
spatio-temporal
interpolated
conduct
comparative
analysis
results
obtained
through
rainfall.
This
research
examines
two
catastrophic
that
transpired
Türkiye
Marmara
Region
2009
Central
Black
Sea
2021,
are
selected
focal
case
studies.
It
also
explores
suitability
model
various
flood
events,
while
examining
impact
nowcast.
Язык: Английский