A <sup>10</sup>Be chronology of early Holocene local glacier moraines in central West Greenland
Bibliographic record
Abstract
New cosmogenic 10 Be exposure ages constrain Greenland Ice Sheet (Gr IS ) deglaciation and the culmination of a local glacier advance on the southern shore of Nuussuaq (peninsula) in central West Greenland. Mean ages of Gr IS deglaciation and local glacier moraine deposition are 10.5±0.1 ka (n = 2) and 10.4±0.2 ka (n = 5), respectively. The similar ages suggest an advance/stillstand of local glaciers soon after the local retreat of the Gr IS . The moraines dated in this study may be correlative to the nearby Disko Stade moraines. Moraine chronologies for both Gr IS moraines and our local glacier moraines in central West Greenland correspond to detrital carbonate peaks in a Labrador shelf marine sediment core that records Laurentide Ice Sheet ( LIS ) discharge from Hudson Strait. Large freshwater discharge events into the North Atlantic sub‐polar gyre have been linked to abrupt cooling events in the Northern Hemisphere during the early Holocene. We propose LIS freshwater input to the sub‐polar gyre and associated regional cooling as the main driver for advance/stillstand of both local glaciers and the Gr IS in central West Greenland during the early Holocene.
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How this classification was reachedexpand
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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 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 teacher head, 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".