Modelling Rubble Field Development at Isserk I-15 and Its Implications for Engineering Ice Rubble
Bibliographic record
Abstract
A grounded rubble field can be advantageous when it surrounds an Arctic offshore structure. It can attenuate ice loads and could be used as a base for an evacuation shelter. These advantages mean that the creation of a sTable., grounded rubble field at an offshore site can be beneficial for locations in the transition and landfast ice zones of the Beaufort Sea. In the winter of 1989~1990, the Molikpaq Caisson was deployed at the Isserk I-15 site in the Canadian Beaufort Sea. During October and early November, the Molikpaq was exposed to mobile first year ice driven by strong winds. This series of storms built a “cigar-shaped” rubble field at the site. Detailed information concerning the rubble field development at this site was collected. In this paper, a numerical model is used to examine the factors that affect the generation of a grounded rubble field. The observations from Isserk are used to validate the model. By investigating several scenarios of ice interaction, through an examination of the influence of water depth, ice thickness, velocity and fetch length upon rubble extent, the model can be used to provide information on the rate of growth of grounded rubble fields. The data can be used to quantify the effects of ice rubble on reducing ice loads in the winter and provide guidance on rubble stability and optimal rubble field extent, as well as evacuation options.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".