The changing ozone depletion potential of N<sub>2</sub>O in a future climate
Bibliographic record
Abstract
Abstract Nitrous oxide (N 2 O), which decomposes in the stratosphere to form nitrogen oxides (NO x ), is currently the dominant anthropogenic ozone‐depleting substance emitted. Ozone depletion potentials (ODPs) of specific compounds, commonly evaluated for present‐day conditions, were developed for long‐lived halocarbons and are used by policymakers to inform decision‐making around protection of the ozone layer. However, the effect of N 2 O on ozone will evolve in the future due to changes in stratospheric dynamics and chemistry induced by rising levels of greenhouse gases. Despite the fact that NO x ‐induced ozone loss slows with increasing concentrations of CO 2 and CH 4 , we show that ODP N2O for year 2100 varies under different scenarios and is mostly larger than ODP N2O for year 2000. This occurs because the traditional ODP approach is tied to ozone depletion induced by CFC‐11, which is also sensitive to CO 2 and CH 4 . We therefore suggest that a single ODP for N 2 O is of limited use.
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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".