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Analysis of shipping accident patterns among commercial and non-commercial vessels operating in ice-infested waters in Arctic Canada from 1990 to 2022

2024· article· en· W4404124900 on OpenAlexaffabout
Adrian Nicoll, Jackie Dawson, Jérôme Marty, Luke Copland, Michael Sawada

Bibliographic record

VenueJournal of Transport Geography · 2024
Typearticle
Languageen
FieldSocial Sciences
TopicArctic and Russian Policy Studies
Canadian institutionsUniversity of OttawaTransport Canada
Fundersnot available
KeywordsArcticThe arcticEnvironmental scienceEngineeringOceanographyGeology

Abstract

fetched live from OpenAlex

Over the past two decades, the Canadian Arctic has experienced a marked reduction in sea ice extent, coinciding with a significant rise in ship traffic. This study explores the relationship between ship traffic, shipping accidents, accident rates, and diminishing sea ice from 1990 to 2022 during the shipping season. The findings reveal that ship traffic has increased substantially along major Arctic routes, such as the Hudson Strait, Baffin Island, and the Northwest Passage, driven by the consistent decline in sea ice. Despite this rise in traffic, accident rates for commercial vessels, particularly General Cargo and Tanker ships, have significantly decreased, suggesting that current safety measures may be effective. However, the study also uncovered a significant positive correlation between all vessel accidents and sea ice concentration, indicating that certain ice conditions still pose substantial risks to vessels. Additionally, passenger vessel traffic has shown a notable positive correlation with accidents, pointing to emerging risks in the region. Non-commercial vessels, such as fishing vessels, have demonstrated stable accident rates, though they remain understudied. These results underscore the complexity of Arctic maritime operations in the face of climate change and highlight the urgent need for adaptive strategies, continuous monitoring, and targeted policy interventions to ensure the safety and sustainability of future Arctic shipping. • Using GIS and statistical techniques to identify trends and correlations. • Ship traffic increases in Hudson Strait, Baffin Island, and Northwest Passage. • Significant reduction in accident rates among commercial ships. • Positive correlation between sea ice concentration and accidents. • Significant decrease in sea ice during shipping season.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.064
Threshold uncertainty score0.505

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.002
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.012
GPT teacher head0.281
Teacher spread0.269 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations9
Published2024
Admission routes2
Has abstractyes

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