Abstract
An inexpensive improvement to lightweight percussion coring systems is presented. Non-stretching lines are often required to facilitate core sampling in hundreds of metres of water, unfortunately such lines are usually negatively buoyant, which creates difficulties in keeping lightweight core assemblies upright while lowering through the water column. The addition of urethane closed-cell foam to the core head creates buoyancy that vertically stabilizes the coring assembly within the water column and prevents the core barrel from contacting the sediment-water interface non-vertically.
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Mazzucchi, D. A simple method to vertically stabilize line-suspended, lightweight percussion coring equipment. J Paleolimnol 34, 281–282 (2005). https://doi.org/10.1007/s10933-005-2448-7
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DOI: https://doi.org/10.1007/s10933-005-2448-7