Exchange of sea ice between the Arctic Ocean and the Canadian Arctic Archipelago
Bibliographic record
Abstract
First estimates of sea ice exchange between the Arctic Ocean and the Canadian Arctic Archipelago (CAA) are obtained using six years (1997–2002) of RADARSAT ice motion. Over the period, the mean annual flux of sea ice area from the Amundsen Gulf (AG), M'Clure Strait (MS), and Queen Elizabeth Islands (QEI) are −85 ± 26 × 10 3 , −20 ± 24 × 10 3 , and 8 ± 6 × 10 3 km 2 . Positive/negative sign indicates Arctic outflow/inflow. Overall, net sea ice area is exported from the CAA; rough estimates suggest a mean annual volume flux of ∼10 2 km 3 into the Canada Basin. Ice types are largely seasonal near the AG flux gate, mixed seasonal and multiyear at the MS gate, and primarily multiyear at the QEI gates. Sea ice at the QEI flux gates remains land fast for most of the year. Cross‐strait gradient in sea level pressure explains more than 50% of the variance in the area flux at these passages. The role of ice exchange during the anomalous decrease in multiyear ice coverage in the Sverdrup Basin during September 1998 is examined.
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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 | 0.002 | 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 | 0.003 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".