A large, glacially modified, shelf-edge canyon, Scotian Shelf, Atlantic Canada
Bibliographic record
Abstract
Located on the Scotian Shelf, The Gully is the largest submarine canyon on the outer southeastern Canadian continental margin (Fig. 1a, b). It indents the continental shelf much deeper than other canyons on the Scotian margin, connecting the middle shelf to the continental slope. It is generally recognized that The Gully formed by fluvial, glacial and meltwater erosion that cut deeply into Cenozoic mudstone and sandstone units (Fader et al. 1998). It was excavated over the past million years as successive continental glaciations lowered sea level, exposing the shelf and allowing rivers to erode and deposit sediments near the top of the continental slope. The Gully was also partially eroded by turbidity currents that flowed down the canyon at times of glacial maxima. Fig. 1. Multibeam swath bathymetry and bathymetric profiles of The Gully, Scotian Shelf, Atlantic Canada. ( a ) Sun-illuminated multibeam-bathymetric image of The Gully and the adjacent Scotian shelf and slope showing feeder canyons, bathymetric profile locations and bathymetric isobaths that define the limits of The Gully. Acquisition system Kongsberg EM1000. Frequency 95 kHz. Grid-cell size 10–20 m. Isobaths are in metres. ( b ) Location of study area (red box; map from GEBCO_08). ( c ) Change in slope image featuring curvilinear moraines on the eastern flank of The Gully. ( d ) Bathymetric profile of …
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.007 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".