Proceedings of the Institution of Mechanical Engineers Part M Journal of Engineering for the Maritime Environment,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 23, 2024
CO
2
is
the
main
green
house
gas
(GHG)
produced
in
fossil
fuel
burning
engines
on
ships.
The
growth
of
activities
sea-going
vessels,
have
been
increasing
interest
and
concerns
over
ship-born
emissions.
Consequently,
numerous
studies
introduced
for
emission
estimation.
Each
estimation
approach
has
its
own
assumptions,
thus
uncertainty
with
data
vessel
activities,
attributes,
calculating
methods.
conceptual
design
phase
first
ship
design.
One
issues
addressed
at
this
assessment
energy
system
alternatives
relevant
ship.
A
provides
propulsion
electrical
power.
a
naval
very
complicated
business
that
significant
impact
interaction
overall
integration.
Naval
vessels
their
systems
constitute
noteworthy
part
total
world
fleet.
present
study
aims
to
realistic
methodology
estimating
efficiency,
hence
emissions,
candidate
surface
phase.
frigate
selected
as
case
(baseline)
vessel.
Three
systems,
namely
CODAD,
CODOG,
CODLOG-CC,
are
proposed
Instead
general
approaches,
proposes
mission
profile-oriented
which
more
precise
accurate
results.
Energy
Efficiency
Design
Index
(EEDI)
defines
efficiency
sets
limitation
during
construction
specific
merchant
but
since
index
does
not
comply
unique
characteristics
profile
novel
defined
integral
warship
EEDI
(IWEEDI)
implemented
According
analysis,
CODAD
found
be
most
efficient
alternative,
followed
by
CODLOG-CC
respectively.
Earth system science data,
Год журнала:
2025,
Номер
17(1), С. 277 - 292
Опубликована: Янв. 28, 2025
Abstract.
The
high-resolution
ship
emission
inventory
serves
as
a
crucial
dataset
for
various
disciplines
including
atmospheric
science,
marine
and
environmental
management.
Here,
we
present
global
high-spatiotemporal-resolution
at
resolution
of
0.1°
×
the
years
2013
2016–2021,
generated
by
state-of-the-art
Shipping
Emission
Inventory
Model
(SEIMv2.2).
Initially,
annual
30
billion
Automatic
Identification
System
(AIS)
data
underwent
extensive
cleaning
to
ensure
validity
accuracy
in
temporal
spatial
distribution.
Subsequently,
integrating
real-time
vessel
positions
speeds
from
AIS
with
static
technical
parameters,
factors,
other
computational
SEIM
simulated
emissions
on
ship-by-ship,
signal-by-signal
basis.
Finally,
results
were
aggregated
analyzed.
In
2021,
activity
established
based
covered
109
300
vessels
globally
(101
400
reported
United
Nations
Conference
Trade
Development).
Concerning
major
air
pollutants
greenhouse
gases,
ships
emitted
847.2×106
t
CO2,
2.3×106
SO2,
16.1×106
NOx,
791.2
kt
CO,
737.3
HC
(hydrocarbon),
415.5
primary
PM2.5,
61.6
BC
(black
carbon),
210.3
CH4,
45.1
N2O
accounting
3.2
%
14.2
2.3
CO2
all
anthropogenic
sources,
Community
Emissions
Data
(CEDS).
Due
implementation
fuel-switching
policies,
SO2
PM2.5
saw
significant
reduction
81.3
76.5
2021
compared
2019,
respectively.
According
results,
composition
types
contributing
remained
relatively
stable
through
years,
container
consistently
∼
emissions.
Regarding
age
distribution,
contribution
built
before
2000
(without
Tier
standards)
has
been
declining,
dropping
10.2
suggesting
that
even
complete
phase-out
these
would
have
limited
potential
reducing
NOx
short
term.
On
hand,
after
2016
(meeting
III
standard)
kept
increasing,
reaching
13.3
2021.
Temporally,
exhibited
minimal
daily
fluctuations.
Spatially,
characteristics
different
delineated.
Patterns
contributions
vary
among
maritime
regions,
predominant
North
South
Pacific,
bulk
carriers
Atlantic,
oil
tankers
prevalent
Arabian
Sea.
distribution
intensity
also
significantly
across
regions.
Our
dataset,
which
is
accessible
https://doi.org/10.5281/zenodo.10869014
(Wen
et
al.,
2024),
provides
breakdown
type
age;
it
available
broad
research
purposes,
will
provide
solid
foundation
fine-scale
scientific
shipping
mitigation.
Journal of Marine Science and Engineering,
Год журнала:
2025,
Номер
13(1), С. 168 - 168
Опубликована: Янв. 18, 2025
Quantifying
and
estimating
shipping
emissions
is
a
critical
component
of
global
emission
reduction
research
has
become
growing
area
interest
in
recent
years.
However,
from
short-distance
passenger
ships
operating
on
inter-island
routes
their
environmental
impacts
have
received
limited
attention.
This
contribution
investigated
the
temporal
spatial
distribution
characteristics
pollutants
emitted
by
at
Zhoushan
(China)
using
Automatic
Identification
System
(AIS)
data
bottom–up
model
integrated
with
multi-source
meteorological
data.
A
year-long
inventory
was
investigated.
The
results
indicated
that
high-speed
contributed
to
largest
share
emissions.
were
predominantly
concentrated
during
daytime
hours,
between
Island
Daishan,
Daishan
Shengsi,
Liuheng
accounting
for
most
Furthermore,
intra-port
waterways
identified
as
primary
areas
ships.
study
provides
essential
support
references
relevant
authorities
understand
patterns
ships,
thereby
facilitating
formulation
targeted
strategies
maritime
transport
sector.
The Science of The Total Environment,
Год журнала:
2024,
Номер
945, С. 173714 - 173714
Опубликована: Июнь 11, 2024
Shipping
contributes
to
air
pollution
causing
adverse
health
effects.
We
conducted
for
the
first
time
a
systematic
review
on
and
economic
impacts
of
ambient
from
shipping
emissions.
performed
search
in
PubMed,
Web
Science,
EBSCO
(Medline),
Scopus
all
up
December
2023.
then
inter-compared
semi-quantitatively
results
included
eligible
studies.
identified
23
studies,
22
applying
impact
assessment,
1
using
epidemiological
methods.
These
studies
used
different
methods
evaluation
emissions,
dispersion,
exposure,
exposure-mortality
risk
functions
exposure
emissions
1–2
years.
The
estimated
excess
global
all-cause
mortality
six
ranged
between
5
deaths
per
100,000
person-years.
However,
heterogeneity
critical
gaps
reporting
seriously
limited
synthesis
evidence
effects
Sufficient
spatial
temporal
resolutions
both
dispersion
modeling,
as
well
presentation
uncertainties
is
needed.
Health
assessment
should
present
with
main
population
attributable
risks,
magnitude
effect
be
expressed
number
given
person-time
or
size.
Economic
also
cover
work
productivity,
mental
well-being,
cognitive
functions.
recommend
that
future
properly
evaluate
report
uncertainty
ranges
confidence
limits
results.
Rigorous
are
needed
multipollutant
exposures,
exposures
various
source
categories,
attributed
particulate
matter
measures.
Studies
measures
format
facilitates
straightforward
inter-study
comparisons.
Further
research
specifically
grid
spacings
whether
these
optimal
task.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Июль 9, 2024
Fishing
vessels
are
important
contributors
to
global
emissions
in
terms
of
greenhouse
gases
and
air
pollutants.
However,
few
studies
have
addressed
the
from
fishing
on
grounds.
In
this
study,
a
framework
for
estimating
vessel
emissions,
using
bottom-up
dynamic
method
based
big
data
Beidou
VMS
(vessel
monitoring
system)
vessels,
is
proposed
applied
survey
East
China
Sea.
The
results
study
established
one-year
emission
inventory
This
was
first
use
estimate
area,
will
help
support
management
their
carbon
emissions.