Concept
Sound pressure level of ambient noise (250Hz-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/AMBNSP25/1/ | ||
|---|---|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary | ||
| Alternative Labels | SPL_AmbientNoise_250Hz_water | ||
| 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). | ||
| Date | 2020-06-24T11:04:44 | ||
| Identifier | SDN:P01::AMBNSP25 | ||
| Note | accepted | ||
| Is Version Of | AMBNSP25 | ||
| version | 1 | ||
| Broader | P02:NOYS |
Acoustic noise in the water column | |
S29:PE001417 |
ambient noise (250Hz-centred one-third-octave frequency band, time interval specified elsewhere) relative to 1 micropascal | ||
S06:S0600238 |
Sound pressure level | ||
S26:MAT00640 |
water body | ||
| Related | P06:UDBL |
Decibels | |
S02:S028 |
in the | ||
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