Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of the global pressure index (GPI) in river types
| River type | GPI | |||
|---|---|---|---|---|
| Min | Max | Mean | Median | |
| A-Headwater | 3.0 | 18.5 | 6.8 | 6.0 |
| B-Downstream | 3.0 | 18.0 | 7.4 | 7.0 |
| C-Greyling | 3.0 | 15.7 | 9.8 | 9.7 |
| D-Salmon | 3.0 | 16.5 | 6.1 | 6.0 |
| E-Mediterranean | 3.0 | 15.2 | 5.8 | 6.0 |
| F-Lowland | 3.0 | 17.0 | 10.9 | 10.3 |
