| during transport | 10 | temporal |
| from under the ice | 10 | location |
| from ocean | 10 | location |
| methane → be → emitted | 102 |
| methane → be emitted to → the atmosphere | 17 |
| methane → be emitted into → the atmosphere | 14 |
| methane → be emitted in → the atmosphere | 3 |
| methane → be emitted in → area | 3 |
| negative | neutral | positive |
| 0.436 | 0.508 | 0.056 |
| Raw frequency | 139 |
| Normalized frequency | 0.813 |
| Modifier score | 0.425 |
| Perplexity | 78.219 |