Concept
Double Longhurst-Hardy Plankton Recorder - Williams et al. (1983)
| URI | http://vocab.nerc.ac.uk/collection/L22/current/NETT0033/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | Double Longhurst-Hardy Plankton Recorder - Williams et al. (1983) |
| Definition | A modified version of the LHPR . An unenclosed Lowestoft Sampler , 130 cm high x 92 cm wide x 357 cm long and with a 35.6 cm expanding to 76 cm diameter nose cone was used with a recorder box (with 0.28 mm nylon mesh gauze) attached to the cod-end of a main net. A second recorder box was attached to the end of 0.053 mm polyester mesh net. The mouth of this net was attached to a nose cone with 2.6 and 5.1 diameter mouth openings expanding to 7.7 cm. System acoustically (IOS) telemeters depth, flow, and temperature. System also carries a chlorophyll sensor with recorder system. Nose cones of both nets have doors that are shut when system deployed and can be opened remotely. Designed to tow up to 6 knots [Wiebe and Benfield 2003 Plate 27 A]. |
| Broader |
L05:
fluorometers L05: water temperature sensor L05: plankton recorders L05: flow meters |
| Note | accepted |
| Deprecated | false |
| Alternative Label | Double LHPR |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/NETT0033/1/ |
| Authored On | 2011-10-21 14:18:49 |
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