Gamma instability in an inhomogeneous environment and salt-fingering staircase trapping: Determining the step size
Why this work is in the frame
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Bibliographic record
Abstract
For mid-latitude salt-fingering staircases in the oceans, the staircase step-sizes are always observed to be smaller at vertical positions of relatively higher background gradients than at vertical positions characterized by relatively lower gradients. We extend the gamma instability theory of Radko (2003) to a system with inhomogeneous background gradients for temperature and salinity to explain this observed trend. On the basis of our three-dimensional turbulence analyses and mean-field model simulation, we successfully explain the origins of such step-size differences and test our proposed mechanism against the historical staircase data recorded in the Tyrrhenian Basin.
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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 | 0.001 | 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) | 0.001 | 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 it