The great divide? Differences in environmental and hunter-gatherer responses to the 8.2 ka BP event between northwestern and northeastern Eurasia
Bibliographic record
Abstract
In this contribution we provide an overview of the potential impacts of the 8.2 ka BP cooling event on hunter-gatherer societies in northwestern Europe and northern/eastern Eurasia. There seems to be a division between the two parts of the continent, with Atlantic Europe generally seeing a stronger climatic and environmental impact compared to continental Eurasia. This plausibly relates to the greater effects on oceanic weather patterns, particularly those of the North Atlantic. The palaeoenvironmental record is more limited for the Pacific coast of northeast Asia, but the evidence to date does not suggest as strong an impact there. We then focus on a case study of the hunter-gatherers of Cis-Baikal in southern Siberia. While the archaeological record for the period pre-8200 cal BP is patchy, we find no clear evidence for any impact on the region’s hunter-gatherer communities. Major visible changes occur only with the appearance of the Kitoi culture from ca. 7600 cal BP, which sees the introduction of pottery, the bow and arrow, and large cemeteries. This appears to be an internal sociotechnological development unrelated to any abrupt changes in the regional climate and environment at this time.
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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 | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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".