Relict Shorelines and Shell Middens of the Dundas Island Archipelago
Bibliographic record
Abstract
L'archipel des iles Dundas, sur la cote nord de la Colombie-Britannique, est situe a proximite d'une « zone charniere » entre deux regions ayant eu une histoire tres differente en ce qui concerne le niveau de la mer durant la transition entre le Pleistocene et l'Holocene: jusqu'a 200 metres de regression marine verticale a l'est et 150 metres de transgression verticale a l'ouest. En se basant sur les identifications des diatomees ramassees par carottage de lacs, combinees a des indices relatifs des niveaux de la mer, nous avons elabore une courbe du niveau de la mer pour les iles Dundas qui montre une lente regression jusqu'a l'epoque moderne, de plus de treize metres, des lignes de rivage au cours des 12,000 dernieres annees. Cette histoire du niveau de la mer a permis de dater des sondages de sites archeologiques remontant au-dela de 5000 ans avant le present. Des sondages et des echantillonnages de ces sites ont montre des occupations le long du rivage en regression depuis une periode aussi ancienne que 9690 avant le present. Les elevations, stratigraphies et datations radiocarbones des materiaux archeologiques concordent avec la courbe du niveau de la mer basee sur des points de reference paleo-environnementaux. Cette methodologie de recherche a procure des donnees archeologiques correspondant au debut de l'Holocene pour le territoire cotier Tsimshian, ce qui pourra potentiellement permettre a l'archeologie de remonter jusqu'a l'epoque du Pleistocene.
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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 | 0.000 |
| 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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 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".