A steady-state coupled ocean-polynya flux model of the North Water, Baffin Bay
Bibliographic record
Abstract
Abstract A steady-state coupled wind-driven reduced-gravity polynya flux model is developed to study the maintenance of the North Water Polynya. The following features are incorporated into the coupled model: (i) arbitrary wind stress; (ii) entrainment of fluid into the upper active layer from the deep motionless layer; (iii) frazil ice trajectories determined from the free-drift ice momentum balance; (iv) the collection depth of frazil ice at the polynya edge is calculated using a parameterization in terms of the depth of frazil ice arriving at the edge and the normal component to the edge of the frazil ice velocity relative to the consolidated new ice velocity. Solutions are calculated for a range of values of the meridional mass flux across Nares Strait (the northern boundary of the domain), wind stress orientation, entrainment rates and the ice-water drag coefficient. The polynya edge is found to be insensitive to entrainment, in agreement with previous modeling studies. On the other hand, the polynya is extremely sensitive to the magnitude of the ice-water drag coefficient and the meridional mass transport across the northern boundary. Also included are two simulations of the North Water Polynya which incorporate forecasted wind stress data.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".