The arrival of a « new » Labrador Sea Water signal in the tropical Atlantic in 1996
Bibliographic record
Abstract
We describe results inferred from the tracking, in the tropical Atlantic, of CFC signals linked to the intensification of convection processes in the Labrador Sea since 1988. CFC and hydrology series (1993–1997) off French Guiana (7°N) have been investigated in order to analyse LSW characteristics and their variability. A dramatic increase of the CFC concentrations below 2000 m at the level of the classical LSW has been observed in April 1996. Using CFC and salinity data, the comparison of the (1993–1997) series at 7°N with a (1989–1999) series at 35°W indicates that the sporadic 1996 event has been followed in the equatorial Atlantic in the late 90s by the arrival of a more continuous newly ventilated LSW flow. This study evaluates a transit time from the Labrador basin to the tropics of less than one decade, in agreement with direct current measurements.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| 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".