Concept
Sound pressure level of ambient noise (8000Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal in the water body
| URI | http://vocab.nerc.ac.uk/collection/P01/current/AMBNSP40/ |
|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary |
| Preferred Label | Sound pressure level of ambient noise (8000Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal in the water body |
| Definition | The logarithm to the base 10 of the ratio of the mean-square or root-mean-square of the sound pressure of underwater ambient noise measured within the specified frequency band and the specified time interval relative to a reference pressure value of 1 micropascal (squared if using the mean-square pressure). |
| Broader |
P02:
Acoustic noise in the water column S06: Sound pressure level S26: water body S29: ambient noise (8000Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal |
| Related |
P06:
Decibels S02: in the |
| Note | accepted |
| Deprecated | false |
| Alternative Label | SPL_AmbientNoise_8000Hz_water |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/P01/current/AMBNSP40/1/ |
| Authored On | 2020-06-24 11:04:44 |
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