MEPS 538:13-21 Supplementary Material
Long overdue improvement of box corer sampling
MEPS 538:13-21 | Full text in pdf format
Supplement 1.
Video of field trial of the box corer in Byfjorden, Sweden, April 2013. The sampled sediment is virtually undisturbed by the sampling procedure.
Supplement 2.
Video of field trial of the box corer in Koljöfjorden, Sweden, December 2013. It shows severe resuspension of the sampled sediment due to sideways movement of the box corer during sediment penetration.
Supplement 3.
Video of field trial of the box corer in Byfjorden, Sweden. April 2013. A wedge shaped gap is formed between the liner wall and the sediment due to sideways movement of the box corer as it contacts the sediment.
Supplement 4.
Video of field trial of the USNEL box corer in Koljöfjorden, Sweden, December 2013. The central stem of the box corer tilts as the spade closes.
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