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Record W2187169779

Relict Shorelines and Shell Middens of the Dundas Island Archipelago

2011· article· en· W2187169779 on OpenAlexvenueaboutno aff
Duncan McLaren, Andrew Martindale, Daryl Fedje, Quentin Mackiet

Bibliographic record

VenueCanadian Journal of Archaeology · 2011
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicGeology and Paleoclimatology Research
Canadian institutionsnot available
Fundersnot available
KeywordsHumanitiesArchipelagoGeographyArtPleistoceneArchaeology
DOInot available

Abstract

fetched live from OpenAlex

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.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.853
Threshold uncertainty score0.292

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

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.

Opus teacher head0.026
GPT teacher head0.202
Teacher spread0.175 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations25
Published2011
Admission routes2
Has abstractyes

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