Concept
Messenger-operated Tucker Trawl - Hopkins et al. (1973)
| URI | http://vocab.nerc.ac.uk/collection/L22/current/NETT0159/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Hopkins modified Tucker Trawl | ||
| Definition | A 180 cm x 180 cm rectangular mouth opening Tucker trawl with a double messenger activated release mechanism made by General Oceanics. Net is made from 1.1 cm mesh for first 500 cm and 0.33 mm nylon mesh for last 2 meters. Flow measured with a TSK flowmeter and a time-depth recorder is used to log net trajectory. Also used with trawl with 180 cm x 360 cm mouth opening. Tow speeds generally are between 2and 2.5 knots [Wiebe and Benfield 2003 Plate 6 C]. | ||
| Date | 2011-10-21T14:18:49 | ||
| Identifier | SDN:L22::NETT0159 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L19:SDNKG17 |
sensor_model | Mapping: 1696049 |
| L05 SeaDataNet device categories - (2) | |||
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