E3S Web of Conferences,
Journal Year:
2023,
Volume and Issue:
379, P. 01001 - 01001
Published: Jan. 1, 2023
PM
2.5
is
a
typical
air
pollutant
which
has
harmful
health
effects
worldwide,
particularly
in
the
developing
countries
such
as
China
due
to
significant
pollution.
The
objectives
of
this
study
were
investigate
spatio-temporal
pattern
concentration
Jiangsu
Province,
China.
data
collected
from
72
monitoring
stations
between
2018-21
and
HYSPLIT
model
was
used
transport
pathways
masses.
According
obtained
results,
obvious
during
duration.
results
show
that
constantly
decreased
2018
2021,
while
level
higher
winter
lower
summer
Jiangsu.
backward
trajectory
analysis
revealed
trajectories
originated
Siberia,
Russia
passed
thorough
Mongolia
northwestern
parts
then
reached
at
spot.
These
masses
played
role
aerosol
pathway
affect
quality
Environmental Science and Pollution Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Human-induced
global
warming,
primarily
attributed
to
the
rise
in
atmospheric
CO
2
,
poses
a
substantial
risk
survival
of
humanity.
While
most
research
focuses
on
predicting
annual
emissions,
which
are
crucial
for
setting
long-term
emission
mitigation
targets,
precise
prediction
daily
emissions
is
equally
vital
short-term
targets.
This
study
examines
performance
14
models
data
from
1/1/2022
30/9/2023
across
top
four
polluting
regions
(China,
India,
USA,
and
EU27&UK).
The
used
include
statistical
(ARMA,
ARIMA,
SARMA,
SARIMA),
three
machine
learning
(support
vector
(SVM),
random
forest
(RF),
gradient
boosting
(GB)),
seven
deep
(artificial
neural
network
(ANN),
recurrent
variations
such
as
gated
unit
(GRU),
long
memory
(LSTM),
bidirectional-LSTM
(BILSTM),
hybrid
combinations
CNN-RNN).
Performance
evaluation
employs
metrics
(
R
MAE,
RMSE,
MAPE).
results
show
that
(ML)
(DL)
models,
with
higher
(0.714–0.932)
lower
RMSE
(0.480–0.247)
values,
respectively,
outperformed
model,
had
(−
0.060–0.719)
(1.695–0.537)
all
regions.
ML
DL
was
further
enhanced
by
differencing,
technique
improves
accuracy
ensuring
stationarity
creating
additional
features
patterns
model
can
learn.
Additionally,
applying
ensemble
techniques
bagging
voting
improved
approximately
9.6%,
whereas
CNN-RNN
RNN
models.
In
summary,
both
relatively
similar.
However,
due
high
computational
requirements
associated
recommended
using
bagging.
assist
accurately
forecasting
aiding
authorities
targets
reduction.
Atmosphere,
Journal Year:
2024,
Volume and Issue:
15(12), P. 1432 - 1432
Published: Nov. 28, 2024
Ambient
air
pollution
affects
human
health,
vegetative
growth
and
sustainable
socio-economic
development.
Therefore,
data
in
Dezhou
City
China
are
collected
from
January
2014
to
December
2023,
multiple
deep
learning
models
used
forecast
PM2.5
concentrations.
The
ability
of
the
is
evaluated
compared
with
observed
using
various
statistical
parameters.
Although
all
eight
can
accomplish
forecasting
assignments,
precision
accuracy
CNN-GRU-LSTM
method
34.28%
higher
than
that
ANN
method.
result
shows
has
best
performance
other
seven
models,
achieving
an
R
(correlation
coefficient)
0.9686
RMSE
(root
mean
square
error)
4.6491
μg/m3.
values
CNN,
GRU
LSTM
57.00%,
35.98%
32.78%
method,
respectively.
results
reveal
predictor
remarkably
improves
performances
benchmark
overall
forecasting.
This
research
provides
a
new
perspective
for
predictive
ambient
model
provide
scientific
basis
prevention
control.
Energy Sources Part A Recovery Utilization and Environmental Effects,
Journal Year:
2023,
Volume and Issue:
45(3), P. 9149 - 9177
Published: July 9, 2023
Predictive
analytics
utilizing
machine
learning
algorithms
play
a
pivotal
role
in
various
domains,
including
the
profiling
of
carbon
dioxide
(CO2)
emissions.
This
research
paper
delves
into
an
extensive
exploration
different
algorithms,
encompassing
neural
networks
with
diverse
architectures,
optimization,
training,
ensemble,
and
specialized
algorithms.
The
primary
objective
this
is
to
evaluate
efficacy
supervised
unsupervised
Deep
Belief
Networks,
Feed
Forward
Neural
Gradient
Boosting,
Regression,
as
well
Convolutional
Gaussian,
Grey,
Markov
models,
clustering
optimization
study
places
particular
emphasis
on
data-driven
methodologies
cross-validation
techniques
evaluation
models
entailing
comprehensive
validation,
testing,
employing
metrics
such
R2,
MAE,
RMSE.
employs
correlation
analysis
examine
relationship
between
input
parameters
emission
characteristics.
highlights
advantageous
attributes
these
accurately
forecasting
CO2
emissions,
evaluating
energy
sources,
improving
prediction
accuracy,
estimating
Notably,
deep
learning,
Artificial
Networks
(ANN),
Support
Vector
Machines
(SVM)
demonstrate
effectiveness
across
industries,
while
Modified
Regularized
Fast
Orthogonal-Extreme
Learning
Machine
(MRFO-ELM)
algorithm
optimizes
predictions
specifically
related
coal
chemical
Hybrid
accuracy
predicting
emissions
consumption,
whereas
gray
provide
reliable
estimates
even
limited
data.
However,
it
important
acknowledge
certain
limitations,
data
requirements,
potential
inaccuracies
arising
from
complex
factors,
constraints
faced
by
developing
countries,
impact
electric
vehicle
expansion
power
grid.
To
optimize
survey
conducted,
involving
customization
rates,
exploring
performance
model
accuracy.
outcomes
contribute
effective
monitoring
operational
environments,
thereby
aiding
executive
decision-making
processes.
Modeling Earth Systems and Environment,
Journal Year:
2024,
Volume and Issue:
10(5), P. 6003 - 6011
Published: July 22, 2024
Abstract
This
study
aims
to
analyze
the
trend
of
carbon
dioxide
CO
2
emissions
from
various
sources
in
Pakistan
between
1990
and
2020
effectively
model
underlying
dynamics
emissions.
The
design
fitting
historical
data
reveal
significant
trends
patterns,
highlighting
alarming
increase
These
findings
underscore
necessity
for
robust
policy
interventions
mitigate
achieve
sustainable
development
goals
(SDGs).
work
can
contribute
addressing
challenges
recent
plans
targeting
global
warming
climate
emergency.
By
controlling
these
parameters,
mean
reversion
be
managed,
allowing
control
increasing
rate
regions
threatened
by
change.
O-U
provides
a
valuable
framework
understanding
stochastic
nature
emissions,
offering
insights
into
persistence
variability
emission
levels
over
time.
optimized
parametric
thresholds
model,
after
synchronizing
it
with
real
data,
that
challenge
cannot
naturally
resolved
serious
are
highly
desired.
include
measures
improve
air
quality,
combat
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(4), P. 1471 - 1471
Published: Feb. 11, 2025
In
the
face
of
global
climate
change,
accurately
predicting
carbon
dioxide
emissions
has
become
an
urgent
requirement
for
environmental
science
and
policy-making.
This
article
provides
a
systematic
review
literature
on
emission
forecasting,
categorizing
existing
research
into
four
key
aspects.
Firstly,
regarding
model
input
variables,
thorough
discussion
is
conducted
pros
cons
univariate
models
versus
multivariable
models,
balancing
operational
simplicity
with
high
accuracy.
Secondly,
concerning
types,
detailed
comparison
made
between
statistical
methods
machine
learning
methods,
particular
emphasis
outstanding
performance
deep
in
capturing
complex
relationships
emissions.
Thirdly,
data,
explores
annual
daily
emissions,
highlighting
practicality
predictions
policy-making
importance
providing
real-time
support
policies.
Finally,
quantity,
differences
single
ensemble
are
examined,
emphasizing
potential
advantages
considering
multiple
selection.
Based
literature,
future
will
focus
integration
multiscale
optimizing
application
in-depth
analysis
factors
influencing
prediction,
scientific
more
comprehensive,
real-time,
adaptive
response
to
challenges
change.
comprehensive
outlook
aims
provide
scientists
policymakers
reliable
information
promoting
achievement
protection
sustainable
development
goals.