Reconnaissance of the upper continental slope off Sable Island Bank, Nova Scotia
Bibliographic record
Abstract
A bathymetric chart or the . continental. slope off Sable Island - . Bank was compiled from soundings released by the Canadian Hydrographic Service. The slope in this area is dissected by numerous valleys in the region directly adjacent to Sable Island Bank but changes abruptly to a featureless terrain in the region off the southwestern limit of the bank. During cruises aboard the CSS KAPUSKASING and the CNAV -- ·- SACKVILLE, a total of 21 piston cores were obtained. Analyses of the sediment cores included visual description, iriVestigation of internal structure through X-radiography, textural analysis, petrographic examination of the coarse fraction, heavy minerals, and clq fraction, and investigation of the distribution of foraminifera. This reconnaissance study has revealed three sediment types on the continental slope. The sediloonts are very similar mineralogically and are probabl;r derived from material transported from northern Nova Scotia and the Gulf of St. Lawrence region by glacial processes. Several periods of sedimentation are indicated on the eontinentaJ. slope. During the height of the vlisconsin lowering of sea level active erosion of the exposed shelf led to the rapid deposition of a sand and pebble rich, brown mud on the continental. slope. Following the rapid rise in sea level, the shelf was submerged, and the abundant supply of sed:i.llent was cut off. Slow deposition of fine sand and mud subsequently formed a l~r of grey sediment on the slope. Continued removal of fines from the shelf, and increasing bottom currents, produced a graduaJ. increase in the proportion of sand being deposited on the slope. A thin layer of relatively clean sand, foum at the surface in many parts o:f' the slope, suggests the intensification of tbis process in Recent time.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 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) | 0.002 | 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 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".