Impact of open ocean influence on a coastal model: The 1997–1998 El Niño off central California
Bibliographic record
Abstract
Extensive moored current meters, atmospheric observations, and hydrographic surveys were obtained off central California during the 1997–1998 El Niño. In this study the temperature observations from current meter moorings and hydrographic surveys are assimilated into a coastal ocean model to study the seasonal circulation in the Santa Barbara Channel–Santa Maria Basin (SBC‐SMB). Mean coastal circulation was dominated by a poleward jet in fall 1997 at the peak of the El Niño but returned to the normal surface convergent pattern in fall 1998. The data‐assimilated model reproduces well the observed flow patterns in both years. The interannual flow variability is examined through sensitivity analysis of the effects of local forcing and open ocean influence. It is shown that the poleward jet is associated with enhanced California Countercurrent during El Niño, while the surface convergence is driven by local wind stress curl. Taking advantage of the extensive data set, the climatology is compared with the synoptic states. It is found that the climatology could cause significant negative impact.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| 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".