Session Ten: Ecosystem Modelling in a Macrotidal Estuary—Cobscook Bay MODELING CIRCULATION AND EXCHANGE PATHWAYS IN COBSCOOK AND PASSAMAQUODDY BAYS: IMPLICATIONS FOR ECOSYSTEM MANAGEMENT
Bibliographic record
Abstract
Cobscook and Passamaquoddy bays lie on the border between the United States and Canada at the entrance to the Bay of Fundy, where the mean tidal range is about 6 meters. Vigorous tidal currents maintain cold temperatures and efficient mixing, supporting an unusually productive and diverse eco-system. This paper summarizes results from a circulation model that was part of a Cobscook Bay eco-system study, reported elsewhere (Northeastern Naturalist 2004). Tidal-mean flushing times vary, from less than a day near the entrance, to over a week in the inner arms of the Bay. A pair of counter-rotating eddies form in the central bay during each flooding tide, which influences the distribution of particles and dissolved materials. Over the last several decades, net-pen salmon aquaculture has developed in both bays. Recent outbreaks of fish diseases have led to heightened concerns about tidal coupling between net-pen sites and potential pathways for disease transmission. Model experiments including both bays and their connecting passages, indicate that neutral particles carried in the flow can cross the border in both directions, pointing to the importance of well-coordinated international plans for ecosystem manage-ment.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 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".