Inertial Modes in the Earth'S Fluid Outer Core
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Bibliographic record
Abstract
Several inertial waves previously identified by Aldridge and Lumb [1987] in the long period gravimetric data of Melchior and Ducarme [1986], have been observed in a record from the same laboratory over 1440 days during the period 1982 to 1986. In the original data, collected following the Mindanao (20 November 1984) and Hindu Kush (30 December 1983) earthquakes, 8 inertial waves were tentatively identified by close proximity of their frequencies to those of a Poincaré Earth model for the fluid outer core. All of the waves identified in the earlier record persist in the longer record, thus verifying the significance of the earlier identification. All the waves decay more rapidly than would be expected from Ekman dissipation which suggests other mechanisms, possibly of hydromagnetic origin, for the damping of these waves. Alternatively the waves may be critically damped due to irregularity in the core-mantle boundary (CMB). Both of these models and others for the decay of the observed waves can be directly evaluated using the high-quality gravimetric data which is now available. The inertial waves identified here will serve as a precise tool for subsequent evaluation of models for core dynamics and the geodynamo.
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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 | 0.000 | 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 | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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