Holocene alluvial chronology of one tree creek, southern alberta, canada
Bibliographic record
Abstract
AbstractAn alluvial chronology for the One Tree Creek basin, a southern tributary of the Red Deer River in southern Alberta, is reconstructed using terrace and palaeochannel remnants and associated radiocarbon dated bones. Prior to the development of One Tree Creek as a northeastward flowing tributary, the prairie surface was scoured by proglacial floodwaters decanting from Glacial Lake Bassano/Patricia in the west. Radiocarbon dates on bones from the bedload gravels in palaeochannels provide a morphochronology of Holocene stream incision. Tentative average incision rates for the middle and upper reaches are calculated at 0.34–0.38 cm a‐1 since 2.8 ka BP and 0.80 – 1.60 cm and 0.81 – 0.96 cm a‐1 for the two periods of 1870 to 1230 BP and 1230 BP to modern respectively. Terraces and palaeochannels dating to the period of highest incision (1870 BP to modern) include numerous reworked bones dating to earlier periods, indicating that fluvial downcutting triggered slope instability and terrace reworking. Although the lower bedrock reaches of the creek may have incised down to the present level of the Red Deer River during early postglacial time, the middle and upper reaches were rapidly incised into Quaternary sediments during the late Holocene when climatic conditions were more humid.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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) | 0.002 | 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 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".