Flux of Multi-Year Ice Past the Molikpaq in the Beaufort Sea, 1985-86 Season
Bibliographic record
Abstract
As part of the environmental monitoring program that supported drilling operations from the Molikpaq at the Amauligak I-65 location during the winter of 1985-86, information about the ice conditions and movements round the structure were collected on an hourly basis. These observations included ice thickness, ice type, partial concentrations, floe sizes and drift rate and direction. In this paper the data were used to assess the flux of ice passing a fixed location. Of particular interest was the amount of multi-year ice present and the relative exposure of the Molikpaq to multi-year ice interactions. In addition to the hourly ice observations, which were representative of a zone within a several km radius of the Molikpaq, detailed observations and video records of ice interactions with the structure were also made. Monthly Canadian Ice Service regional ice charts and drift buoys provided regional data. The various sources of ice data are compared to put the 1985-86 data into a broader context. The total flux of ice through the 2 km radius zone of observation was about 1000 km over the 240 day observation period, of which 30 km was multi-year ice. The flux of multi-year ice that actually interacted with the 100 m wide Molikpaq was about 10 km, the majority of which was second-year ice in November.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".