Concept
British Antarctic Survey manual permafrost corer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL2000/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | BAS manual permafrost corer | ||
| Definition | A manual coring device to extract cores through permafrost in peat banks. A 600 mm long SIPRE (Snow, Ice, and Permafrost Research Establishment) type ice-core barrel with internal diameter of 82.5 mm and plastic flights was adapted for peat core extraction. Shoe plates can be continually stacked to allow the angle of the cutting edges to be altered depending on the field conditions. It utilises vertical extension rods 1 m long, along with a manual horizontal rotation bar. The barrel and head were designed with four spring-loaded lever arms called 'core dogs', as opposed to the usual two, for extraction of the material from the core hole. The drill head has two sharp cutting teeth. It is operated by manual rotation of the barrel whilst being held vertical. The maximum length of core potentially held within the barrel is 600 mm. | ||
| Date | 2024-01-15T12:05:19 | ||
| Identifier | SDN:L22::TOOL2000 | ||
| Note | accepted | ||
| Is Version Of | TOOL2000 | ||
| version | 1 | ||
| Broader | L05:51 |
unconsolidated sediment corers | |
| Related | B75:ORG0015 |
British Antarctic Survey | |
L35:MAN0052 |
British Antarctic Survey | ||
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