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Record W4405098517 · doi:10.22215/etd/2024-16357

Mercury storage and cycling in permafrost peatlands of the Hudson Bay Lowlands

2024· dissertation· en· W4405098517 on OpenAlexaff
James Adam Kirkwood

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldEnvironmental Science
TopicMercury impact and mitigation studies
Canadian institutionsCarleton University
Fundersnot available
KeywordsPermafrostCircumpolar starMercury (programming language)PeatMethylmercuryBayEnvironmental scienceCyclingEnvironmental chemistryPhysical geographyBioaccumulationOceanographyEcologyGeologyChemistryGeographyForestry

Abstract

fetched live from OpenAlex

Pascale's lab members, including Tabatha Rahman, who I've gotten to share several amazing field seasons in Churchill with, to Rose-Marie Cardinal, for asking questions about Hg and forcing me to really think and understand the processes, to Dani Chiasson for her enthusiasm about peat, Churchill, and many things Arctic, and to more recent members of the lab Edith and Hemma, who I'm really happy to have spent time with at an excellent European Conference on Permafrost in Spain.Thanks Frederic Brieger for taking the time to come to Churchill and fly drone surveys, and the many pleasant conversations we've had when running into each other at the university.The research professionals in the CRYO-UL Lab, Sarah Gauthier, Arianne St-Amour, and Emmanuel (Manu) L'Hérault also provides so much help, good conversation, and good laughs that I will remember as a fond part of my PhD experience.Many thanks to Sam Hunter from Peawanuck

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)0.000
metaresearch head score (Gemma)0.000
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: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.591
Threshold uncertainty score0.814

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.009
GPT teacher head0.260
Teacher spread0.251 · 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".

Quick stats

Citations0
Published2024
Admission routes1
Has abstractno

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