Biological productivity along Line P in the subarctic northeast Pacific: In situ versus incubation‐based methods
Bibliographic record
Abstract
We compared net community production determined from an in situ O 2 /Ar mass balance (O 2 /Ar‐NCP) with incubation measurements of new and primary production in the subarctic northeast Pacific. In situ O 2 /Ar‐NCP was strongly correlated to new production from 24‐h 15 NO 3 − uptake integrated over the mixed layer ( 15 N‐NewP), if measurements were separated into high and low‐productivity conditions. Under high‐productivity conditions, O 2 /Ar‐NCP estimates were similar to 15 N‐NewP, whereas under low productivity conditions O 2 /Ar‐NCP was up to two times higher than 15 N‐NewP. The relationship between O 2 /Ar‐NCP and 24‐h 13 C primary production ( 13 C‐PP) was more variable, but with a consistent mean O 2 /Ar‐NCP: 13 C‐PP ratio of 0.52 ± 0.17 when only low‐productivity, summer measurements were considered. This relationship with primary production is perturbed by high productivity events such as a late‐summer, iron‐stimulated bloom observed at the offshore stations. Finally, we show that diapycnal mixing usually dominates the O 2 /Ar mass balance in winter in the subarctic Pacific, preventing the determination of NCP by the O 2 /Ar method at that time, except for one unusual stratification event in February 2007.
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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 | 0.001 | 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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".