Table 2. Descriptive statistics of modelled daily 24-hour concentrations of H2S during study period in each section of the Reykjavik capital area, daily count of higher concentration in each section and percentiles, as well as Spearman´s correlation of daily 24-hour concentrations of H2S between sections.
| During study period | Section A | Section B | Section C | Section D | Section E |
|---|---|---|---|---|---|
| Modelled days in study period | 2738 | 2738 | 2738 | 2738 | 2738 |
| Mean concentration (μg/m3) (±SD) | 3.02 (4.05) | 3.53 (5.34) | 3.79 (5.96) | 4.04 (6.83) | 3.89 (7.10) |
| Range (μg/m3) | 0–37.0 | 0–48.1 | 0–69.5 | 0–68.2 | 0–66.9 |
| Interquartile range (μg/m3) (0.25, 0.75) | 0.0, 4.8 | 0.1, 4.5 | 0.2, 4.9 | 0.2, 4.9 | 0.2, 4.6 |
| Number of high concentrations within section | |||||
| Lower limits of percentiles | |||||
| 50% (≥2.46 μg/m3) | 498 | 986 | 1250 | 862 | 266 |
| 60% (≥3.16 μg/m3) | 436 | 833 | 1091 | 743 | 235 |
| 70% (≥4.14 μg/m3) | 345 | 632 | 903 | 567 | 188 |
| 80% (≥5.74 μg/m3) | 241 | 461 | 646 | 393 | 135 |
| 85% (≥7.00 μg/m3) | 177 | 362 | 533 | 321 | 106 |
| 90% (≥8.80 μg/m3) | 124 | 257 | 395 | 263 | 75 |
| 95% (≥11.68 μg/m3) | 58 | 158 | 259 | 171 | 49 |
| Spearman´s correlation | |||||
| Section A | 1.00 | ||||
| Section B | 0.67 | 1.00 | |||
| Section C | 0.39 | 0.73 | 1.00 | ||
| Section D | 0.17 | 0.37 | 0.75 | 1.00 | |
| Section E | 0.05 | 0.18 | 0.46 | 0.80 | 1.00 |