A hand-held core sampler for plastic benthic sediments

A hand-held benthic sediment core sampler useful in water to diving depth is described. The sampler is based on the previous design of Miller and Bingham (1987) but incorporates two important modifications. The first prevents detachment and possible loss of the piston's sealing plug. The second...

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Bibliographic Details
Published in:Catena (Giessen) 1994-04, Vol.22 (1), p.79-84
Main Authors: Gippel, C.J., Grayson, R.B., Pot, A., Finlayson, B.L.
Format: Article
Language:English
Subjects:
Bgi / Prodig
Freshwater
Geomorphology
Methods and techniques
Physical geography
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Description
Summary:A hand-held benthic sediment core sampler useful in water to diving depth is described. The sampler is based on the previous design of Miller and Bingham (1987) but incorporates two important modifications. The first prevents detachment and possible loss of the piston's sealing plug. The second is a support frame which enables the corer to sample plastic sediments without compressing and distorting the core. The device was used successfully to take cores from the bottom of Lake Wellington, Gippsland, Victoria in sediment ranging from plastic silt/clay to compressed coarse sand. It is proposed that the corer can be modified to have a replaceable barrel for use in situations where extrusion of the sediment sample from the barrel in the field is problematic.
ISSN:0341-8162
1872-6887
DOI:10.1016/0341-8162(94)90067-1