Lichenometric dating of little ice age glacier activity in the central british columbia coast mountains, canada
Bibliographic record
Abstract
The ittle ce ge behaviour of glaciers in the central ritish olumbia oast ountains, anada, was described by conducting lichenometric surveys of hizocarpon spp. found on recently deposited moraines in the itimat and acific ranges. At attullo lacier in the southern itimat ange, surveys across four sets of nested lateral moraines describe advances prior to the late thirteenth century, 1550–1610, 1680–1710, and 1850 ad. In the onarch cefield area in the northern acific ange, ittle ce ge moraines stabilized prior to 1380–1430 ad, the mid‐seventeenth and mid‐eighteenth centuries, and in the mid‐nineteenth century. The timing of these moraine‐building episodes corresponds closely to the intervals of glacier expansion recorded in complementary studies in the region. These findings indicate that most glaciers in the region reached their maximum downvalley ittle ce ge extent prior to 1780 ad, and suggest that climate forcing likely contributed to regionally synchronous glacier fluctuations.
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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 | 0.005 | 0.005 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".