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Record W7116213221

Transition énergétique des ports : analyse comparative des plans de décarbonation de six administrations portuaires canadiennes

2025· other· fr· W7116213221 on OpenAlexaboutno aff

Bibliographic record

VenueSémaphore (Université du Québec à Rimouski) · 2025
Typeother
Languagefr
Field
Topic
Canadian institutionsnot available
Fundersnot available
KeywordsContext (archaeology)Medium termTransition time
DOInot available

Abstract

fetched live from OpenAlex

« Les ports sont désormais largement reconnus comme d'importantes sources d'émissions de gaz à effet de serre (GES). Renforcer la transition énergétique des ports, pour atteindre la neutralité carbone d'ici 2050, constitue un enjeu majeur de développement durable et de réalisation des engagements de l'Accord de Paris. La présente étude, utilisant une approche de cas multiples, vise à comparer les plans de décarbonation de six administrations portuaires canadiennes (APC). La revue documentaire combinée à l'analyse de contenu et l'étude de cas ont été les deux principales méthodes utilisées pour collecter, analyser et organiser les données. Le cadre méthodologique utilisé est scindé en trois principales étapes : (i) clarification des concepts et identification des technologies, stratégies et bonnes pratiques disponibles ou en développement de réduction des émissions de GES; (ii) conception d'une grille d'analyse; et (iii) recrutement des cas des APC et enquête en ligne. Il ressort que les APC ont opéré différentes actions et mesures de réduction de GES et ne sont toujours pas au même niveau d'avancement. La majorité des APC se sont concentrées plus sur les mesures à effet indirect que direct de réduction de GES. Très peu de mesures à effet direct observées incluaient dématérialisation des activités portuaires, utilisation des navires à zéro émission, utilisation des énergies propres et renouvelables, mise en place des infrastructures de chargement et de distribution d'énergies, et d'accueil des navires à faible émissions. Sur les six cas recrutés, trois APC : Vancouver, Prince Rupert et Montréal seraient plus en avance alors que l'Administration portuaire de St. John's serait la moins avancée, en matière de transition énergétique. Cette étude a permis de déceler, qu'en maintenant la trajectoire et le rythme de changement en cours, il serait difficile aux APC d'atteindre la neutralité carbone d'ici 2050. C'est pourquoi, notre étude a suggéré des actions ou bonnes pratiques à promouvoir en vue de renforcer la transition énergétique des APC. Ces résultats devraient également servir de base et aider les politiques publiques du Canada à identifier et opérer les meilleurs choix en termes de mesures pertinentes pour accompagner la transition énergétique en cours des APC. -- Mot(s) clé(s) en français : Ports, transition énergétique, plans de décarbonation, changement climatique, Administration portuaire de Montréal, Administration portuaire de Prince Rupert, Administration portuaire de Saint John, Administration portuaire de St. John's, Administration portuaire de Sept-Îles, Administration portuaire de Vancouver. »-- « Ports are now widely recognized as major source of greenhouse gas (GHG) emissions. Enhancing energy transition of ports in achieving carbon neutrality by 2050 has become a key challenge for sustainable development and for meeting the commitments of the Paris Agreement. This study employed a multiple case study approach to conduct a comparative analysis of the decarbonization plans of Canadian port authorities (CPAs). The methodological framework was divided into three main stages: (i) clarification of key concepts and identification of available or emerging technologies, and best practices to reduce GHG emissions; (ii) development of an analytical grid; et (iii) recruitment of six CPAs and an online survey. Findings revealed that CPAs adopted diverse actions and measures to reduce GHG emissions, but they remained at different levels of progress. The majority of CPAs focused on indirect measures rather than direct measures to reduce GHG emissions. Very few direct GHG emission reduction measures observed included digitalization of port activity, deployment of zero-emission vessels, use of clean and renewable energy sources, development of charging and energy distribution infrastructure, and accommodation of low-emission ships. Out of six cases recruited, only three CPAs: Vancouver, Prince Rupert, and Montreal might be the most advanced while the St. John's port Authority might be the least advanced, in terms of energy transition. Findings revealed that maintaining the current pace and scope of change would likely challenge the CPAs in achieving the carbon neutrality by 2050. Therefore, we suggest a set of targeted actions and best practices to accelerate the energy transition of the CPAs. The results of this study, also, provided, useful information that could help Canadian public policy to identify and makes the best choices, in terms of relevant measures to support the ongoing energy transition of the CPAs. -- Mot(s) clé(s) en anglais : Ports, energy transition, decarbonization plans, climate change, Montreal port Authority, Prince Rupert port Authority, Saint John port Authority, St. John's port Authority, Sept-Îles port Authority, Vancouver port Authority. »--

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.003
metaresearch head score (Gemma)0.007
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.918
Threshold uncertainty score0.163

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.007
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.001
Bibliometrics0.0030.004
Science and technology studies0.0010.001
Scholarly communication0.0050.002
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0060.001

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 head0.013
GPT teacher head0.223
Teacher spread0.210 · 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 source (direct Gemma or distilled Codex), 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".

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Citations0
Published2025
Admission routes1
Has abstractyes

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