Arctic warming as a potential trigger for the warm blob in the northeast Pacific
Bibliographic record
Abstract
Abstract The northeast (NE) Pacific has experienced significant marine heatwaves (MHWs) in recent years, commonly known as “warm blobs.” This study examines the impact of Arctic warming, particularly in the Eastern Siberian-Chukchi Sea (ES-CS) region, on the occurrence of these warm blobs during boreal winters. We found that Arctic warming triggers a positive phase of the Tropical/Northern Hemisphere-like (TNH-like) atmospheric circulation, creating a pronounced high-pressure system over the Alaskan region. This system leads to easterly wind anomalies that weaken prevailing westerlies, reducing heat loss from the ocean to the atmosphere and cold advection in the upper ocean. Consequently, sea surface temperatures rise, favoring the development of warm blobs. A numerical experiment confirmed that the projected changes in the ES-CS region impact warm blobs occurrences by inducing this high-pressure system, linking Arctic warming to MHWs in the NE Pacific.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 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) | 0.000 | 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".