MétaCan
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Unprecedented Arctic ozone loss in 2011

2011· article· en· 709 citations· W2040091314 on OpenAlex· 10.1038/nature10556

Why is this work in the frame?

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

Canadian affiliationAn author listed a Canadian institution. This is the only route the usual frame has.
Canadian funderA Canadian agency funded it. The work may carry no Canadian affiliation at all.

Classifier prediction

metacan-v1-d91a1de5be90

Predictions imitate two machine teachers. Scores are not calibrated prevalence probabilities.

Classifier candidate
Observational
Classifier consensus
Observational
Teacher imitation scores

Codex

Observational0.983
Not applicable0.012
Bibliometrics0.002
Other design0.002
Research integrity0.001
Open science0.001
Simulation or modelling0.000
Theoretical or conceptual0.000
Case report0.000
Metaresearch0.000
Scholarly communication0.000
Randomized trial0.000
Meta-epidemiology (narrow)0.000
Non-randomized trial0.000
Meta-analysis0.000
Qualitative0.000
Bench or experimental0.000
Science and technology studies0.000
Systematic review0.000
Meta-epidemiology (broad)0.000

Gemma

Observational0.922
Not applicable0.015
Bibliometrics0.002
Simulation or modelling0.002
Theoretical or conceptual0.001
Research integrity0.000
Bench or experimental0.000
Metaresearch0.000
Science and technology studies0.000
Open science0.000
Randomized trial0.000
Case report0.000
Scholarly communication0.000
Non-randomized trial0.000
Meta-epidemiology (narrow)0.000
Meta-epidemiology (broad)0.000
Systematic review0.000
Meta-analysis0.000
Qualitative0.000

Machine scores (provisional)

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

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.

Opus teacher head0.012
GPT teacher head0.215
Teacher spread
0.203 how far apart the two teachers sit on this one work
Validation status
score_only:v0-immature-baseline verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Abstract

Chemical ozone destruction occurs over both polar regions in local winter-spring. In the Antarctic, essentially complete removal of lower-stratospheric ozone currently results in an ozone hole every year, whereas in the Arctic, ozone loss is highly variable and has until now been much more limited. Here we demonstrate that chemical ozone destruction over the Arctic in early 2011 was--for the first time in the observational record--comparable to that in the Antarctic ozone hole. Unusually long-la…

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