Thesaurus Term/Concept: SUB BOTTOM PROFILING SURVEY
| Identifier | 145168 |
|---|---|
| Class | EVENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | Used to identify and measure various sediment layers that exist below the seabed. A sound source emits a signal vertically downwards and a receiver monitors the return signal that has been reflected off the seafloor and sub seabed sediment layers. |