Stream Velocity Observation
A reference table for codes that describe the types of velocity observations for a stream discharge measurement.
United States Geological Survey, Surface Water User Group
| Code | Sort Order | Valid Flag | Name | Description |
|---|---|---|---|---|
| UNSP | 1 | true | Unspecified | The average velocity observation was not specified. |
| 2&8D | 2 | true | .2/.8 depth | The velocity observation of flow was through a vertical section at 0.2 and 0.8 depths. |
| 268D | 3 | true | .2/.6/.8 depth | The velocity observation of flow through a vertical section at 0.2 0.6 and 0.8 depths. |
| .6D | 4 | true | .6 depth | The velocity observation of flow through a vertical section at 0.6 depth. |
| .5D | 5 | true | .5 depth | The velocity observation of flow through a vertical section at 0.5 depth. |
| VPRF | 6 | true | Velocity profile | Velocity profile. |
| VDCP | 7 | true | Integrated-velocity profile | The velocity observation of flow was through entire vertical section (ADCP). |
| FIXD | 8 | true | Fixed depth | The velocity observation of flow was at a fixed depth across stream. |
| SURF | 9 | true | Surface velocity | The velocity observation of flow through a vertical section at the surface. |
| ULTA | 10 | true | Ultrasonic path | The ultrasonic path method is referring to the horizontal path used for monitoring a velocity index at a gaging station. |
| .2D | 11 | true | .2 depth | The velocity observation of flow through a vertical section at 0.2 depth. |
| SFLT | 12 | true | Surface float | The velocity observation of flow using a surface float. |
| DINT | 13 | true | Depth-integrated float | The velocity observation of flow using a depth integrated float. |