Concept
National Marine Facilities piston corer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1176/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | National Marine Facilities piston corer |
| Definition | A marine piston corer part of the UK National Marine Equipment Pool (NMEP). The corer consists of a weight fitted with steel sample tubes. A PVC liner tube is fitted the full-length core barrel. A piston is fitted inside the PVC liner and is attached to a wire, which runs inside the corer barrel, through a hole in the centre of the weight and is attached to the main deployment wire. The corer is lowered on a wire to the seabed and a trigger system causes the core barrel to free fall into the sediment to collect samples. The action of the piston reduces internal friction allowing long cores to be collected. Core samples of 90mm and 110mm diameter can be taken. Up to five sections of 5.4 metre-long barrels can be fitted depending on the type of sediment being sampled. |
| Broader |
L05:
unconsolidated sediment corers |
| Related |
B75:
Natural Environment Research Council, National Marine Facilities Sea Systems |
| Note | accepted |
| Deprecated | false |
| Alternative Label | NMF Piston |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1176/1/ |
| Authored On | 2017-11-23 13:03:21 |
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