Dynamics of the ice-age Earth: Solid mechanics and fluid mechanics
Bibliographic record
Abstract
The global theory of the glacial isostatic adjustment process is employed to infer the thicknesses of the continental ice sheets that existed at Last Glacial Maximum 21000 calendar years before present. Further analyses allow the global ice thickness distribution to be mapped into a paleo-topography for the planet as a whole, a field that is of primary importance for the understanding, through the application of modern general circulation models, of the surface climate that was characteristic of this epoch of Earth history. Crucial to the success of this procedure is knowledge of the radial visco-elastic structure of the solid Earth. Given an accurate model of the topography of the planet at Last Glacial Maximum that includes the component associated with the distribution of land ice, together with a surface albedo mask which differentiates ice covered from non-ice-covered regions, we may proceed to simulate the climate at glacial maximum using a modem coupled atmosphere-ocean general circulation model. Recently obtained results of this program are described which include an initial assessment of the primary modes of climate variability that were characteristic of the glacial state.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.002 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), 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".