The collapse of a mixed patch in stratified fluid
Bibliographic record
Abstract
Lock-release laboratory experiments are performed to examine the collapse of a localized mixed patch of fluid in a uniformly stratified ambient with constant buoyancy frequency, N. The intrusion speed is approximately 0.13NHℓ, in which Hℓ is the depth of the mixed patch. This is consistent with the speed of intrusions released from a full-depth lock where Hℓ=H is the depth of the ambient. The vertically propagating waves have frequency set by N (ω≃0.7N) and the horizontal wavelength, λx, is set by Hℓ (λx≃1.5Hℓ). The amplitude is found to scale as the depth of the mixed region cubed at small Hℓ, and saturates at large Hℓ≳10cm due to nonlinear effects.
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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 | 0.001 |
| 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".