Environmental Science & Technology Letters,
Journal Year:
2024,
Volume and Issue:
11(6), P. 553 - 559
Published: April 29, 2024
An
operational
real-time
surface
ozone
(O3)
retrieval
(RT-SOR)
model
was
developed
that
can
provide
a
gapless
diurnal
cycle
of
O3
retrievals
with
spatial
resolution
6.25
km
by
integrating
Chinese
Land
Data
Assimilation
System
(CLDAS)
data
and
multisource
auxiliary
information.
The
robustly
captures
the
hourly
variability,
sample-based
(station-based)
cross-validation
R2
0.88
(0.85)
RMSE
14.3
μg/m3
(16.1
μg/m3).
additional
hindcast-validation
experiment
demonstrated
generalization
ability
is
robust
(R2
=
0.75;
21.9
Compared
previous
studies,
performs
comparably
or
even
better
at
daily
scale
fills
gaps
in
terms
missing
within
24-hour
cycle.
More
importantly,
underpinned
RT
availability
CLDAS
data,
concentration
be
updated
RT,
which
expected
to
advance
our
understanding
pollution
China.
npj Climate and Atmospheric Science,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: Jan. 6, 2024
Abstract
Accurately
estimating
the
concentration
of
carbon
monoxide
(CO)
with
high
spatiotemporal
resolution
is
crucial
for
assessing
its
meteorological-environmental-health
impacts.
Although
machine
learning
models
have
predictive
ability
in
environmental
research,
there
are
relatively
few
explanations
model
outputs.
Utilizing
top-of-atmosphere
radiation
data
China’s
new
generation
geostationary
satellites
(FY-4A
and
FY-4B)
interpretable
models,
24-hour
near-surface
CO
concentrations
China
was
conducted
(resolution:
1
hour,
0.04°).
The
improved
by
6.6%
when
using
all-sky
dataset
(cloud-contained
model,
R
2
=
0.759)
compared
to
clear-sky
(cloud-removed
model).
interpretability
analysis
estimation
used
two
methods,
namely
ante-hoc
(model
feature
importance)
post-hoc
(SHapley
Additive
exPlanations).
importance
daytime
meteorological
factors
increased
51%
nighttime.
Combining
partial
dependency
plots,
impact
key
on
elucidated
gain
a
deeper
understanding
variations
CO.
Journal of Geophysical Research Atmospheres,
Journal Year:
2022,
Volume and Issue:
127(9)
Published: April 18, 2022
Abstract
The
rapid
urbanization
in
China
and
the
long‐range
transport
dust
(LRTD)
from
arid
semi‐arid
areas
has
resulted
an
increase
of
PM
10
concentration.
In
this
study,
interpretable
deep
learning
model
[deep
forest
(DF)]
with
FY‐4A
top‐of‐the‐atmosphere
reflectance
(TOAR)
data
were
used
to
obtain
hourly
China.
optimal
average
R
2
10‐fold
cross
validation
can
achieve
0.85
(13:00
Beijing
time);
(RMSE,
μg/m³)
daily,
monthly,
annual
averages
0.82
(24.16),
0.97
(6.53),
0.99
(2.30),
respectively.
Using
TOAR
data,
DF
performed
better
than
other
machine
models.
feature
importance
TOAR‐PM
showed
that
meteorological
elements
both
contributed
significantly
model.
spring,
northern
was
greater
southern
China,
which
may
be
related
LRTD.
Excluding
weather
periods,
high
values
mainly
cities
their
suburbs,
where
correlated
human
activities.
During
a
process,
LRTD
increased
by
80.4%.
mixture
haze
130.2%
led
73.7%.
sources
(from
Taklimakan
Desert
China)
transmission
paths
these
two
processes
similar.
contribution
intensity
conditions.
results
local
pollution
important
periods.
Earth and Space Science,
Journal Year:
2023,
Volume and Issue:
10(10)
Published: Oct. 1, 2023
Abstract
Economic
growth,
air
pollution,
and
forest
fires
in
some
states
the
United
States
have
increased
concentration
of
particulate
matter
with
a
diameter
less
than
or
equal
to
2.5
μm
(PM
).
Although
previous
studies
tried
observe
PM
both
spatially
temporally
using
aerosol
remote
sensing
geostatistical
estimation,
they
were
limited
accuracy
by
coarse
resolution.
In
this
paper,
performance
machine
learning
models
on
predicting
is
assessed
linear
regression
(LR),
decision
tree
(DT),
gradient
boosting
(GBR),
AdaBoost
(ABR),
XGBoost
(XGB),
k‐nearest
neighbors
(K‐NN),
long
short‐term
memory
(LSTM),
random
(RF),
support
vector
(SVM)
station
data
from
2017
2021.
To
compare
all
nine
models,
coefficient
determination
(
R
2
),
root
mean
square
error
(RMSE),
Nash‐Sutcliffe
efficiency
(NSE),
ratio
(RSR),
percent
bias
(PBIAS)
evaluated.
Among
RF
(100
trees
max
depth
20)
(SVR;
nonlinear
kernel,
degree
3
polynomial)
best
for
concentrations.
Additionally,
comparison
metrics
displayed
that
had
better
predictive
behavior
western
eastern
States.
Aerosol and Air Quality Research,
Journal Year:
2023,
Volume and Issue:
24(1), P. 230151 - 230151
Published: Nov. 30, 2023
Many
studies
use
machine
learning
to
predict
atmospheric
pollutant
levels,
prioritizing
accuracy
over
interpretability.
This
systematic
review
will
focus
on
reviewing
that
have
utilized
interpretable
models
enhance
interpretability
while
maintaining
high
for
air
pollution
prediction.
The
search
terms
"air
pollution,"
"machine
learning,"
and
"interpretability"
were
used
identify
relevant
published
between
2011
2023
from
PubMed,
Scopus,
Web
of
Science,
Science
Direct,
JuSER.
included
assessed
quality
based
an
ecological
checklist
maximizing
reproducibility
niche
models.
Among
the
5,396
identified
studies,
480
focused
prediction,
with
56
providing
model
interpretations.
20
methods
identified:
8
model-agnostic
methods,
4
model-specific
hybrid
Shapley
additive
explanations
was
most
commonly
method
(46.4%),
followed
by
partial
dependence
plots
(17.4%),
both
which
are
methods.
These
important
features,
enhancing
researchers'
understanding
making
outcomes
more
accessible
non-experts.
can
prediction
prevention
adverse
weather
events
pollution,
benefiting
public
health.
IEEE Transactions on Geoscience and Remote Sensing,
Journal Year:
2023,
Volume and Issue:
61, P. 1 - 17
Published: Jan. 1, 2023
Satellite-based
aerosol
optical
property
retrieval
over
land,
especially
size-related
parameters,
is
challenging.
This
study
proposed
a
novel
two-stage
machine
learning
(ML)
algorithm
for
retrieving
depth
(AOD),
Ångström
exponent
(AE),
fine
mode
fraction
(FMF),
and
AOD
(FAOD))
land
using
MODIS
observed
reflectance.
The
new
ML
consists
of
three
steps:
(1)
first,
all
samples
extracted
from
AERONET
measurements
were
used
to
train
the
model,
(2)
then,
reduce
extreme
estimation
bias
divided
low-value
high-value
models,
respectively,
(3)
finally,
models
integrated
into
final
based
on
weight
interpolation.
Independent
site
network
validation
results
show
that
has
Pearson
correlation
coefficient
(R)
0.894
(0.638,
0.661,
0.865)
root
mean
square
error
(RMSE)
0.146
(0.258,
0.245,
0.153)
(AE,
FMF,
FAOD)
retrieval,
which
significantly
outperforms
metrics
operational
products,
with
RMSE
0.130-0.156
(0.536-0.569,
0.313,
0.191).
inter-comparison
products
shows
spatial
patterns
AOD,
AE,
FAOD
are
in
good
agreement
those
POLDER
products.
These
illustrate
performance
transferability
indicate
ability
methods
be
applied
multispectral
instruments
(such
as
MODIS)
retrieve
multiple
properties.