Concept
Bubbler tide gauge
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0011/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Bubbler | ||
| Definition | The full tide bubbler system normally consists of two independent measuring systems. The pressure points are mounted approx 1m below Admiralty Chart Datum (ACD) so that negative surges may be recorded and are similar in appearance to an inverted bucket with a copper nozzle mounted on the side. This nozzle is the actual measuring point. A low flow of dry air (normally 7ml/min) is fed down an air tube to the top of the pressure point. When the air pressure in the air line equals the pressure exerted by the column of water above it, then the excess air is released as bubbles through the copper nozzle. This means that the pressure in the air line is proportional to the weight of the water column. | ||
| Date | 2008-11-28T07:54:28 | ||
| Identifier | SDN:L22::TOOL0011 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L05:111 |
sea level recorders | Mapping: 160581 |
L19:SDNKG17 |
sensor_model | Mapping: 1696097 | |
| Related | B75:ORG00003 |
National Oceanography Centre (NOC), Liverpool | Mapping: 1448428 |
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