| Total Events Occurred in Marine Environment | ||
| Range (Km) | Data conductivity tendency (μS/cm) | |
| 1rst AscT | 1rst DescT | |
| 0 - 50 | 29 | 10 |
| 50 - 100 | 15 | 20 |
| 100 - 150 | 10 | 2 |
| 150 - 200 | 7 | 5 |
| 200 - 250 | 10 | 1 |
| 250 - 300 | 4 | 3 |
| 300 - 350 | 9 | 5 |
| 350 - 400 | 10 | 8 |