| Typicality: | 0.339 |
| Saliency: | 0.413 |
| in concentrated areas | 3 | location |
| by human activities | 3 | cause |
| nitrogen → be released into → the atmosphere | 10 |
| nitrogen → be released to → the atmosphere | 4 |
| nitrogen → be released into → the air | 3 |
| negative | neutral | positive |
| 0.488 | 0.484 | 0.028 |
| Raw frequency | 17 |
| Normalized frequency | 0.413 |
| Modifier score | 0.500 |
| Perplexity | 29.244 |