Abstract
This paper describes improvements for an inexpensive, lightweight percussion core sampling system and presents examples of recovered core. The system has proven most effective in remote settings where the weight of a coring system may be a constraint. Cores of up to 5.5 m in length have been recovered and the system has functioned successfully in water depths to 200 m. The system weighs approximately 25 kg and costs less than $450.00 (US).
The percussion corer is designed for operation from a stable ice-pack surface. The core barrel assembly is lowered through the water column and driven into sediment with a weighted driver. A secondary line is used to raise and drop the driver. The driver is guided to the core barrel assembly by the main line. Cores are retrieved by a simple pulley system anchored to the ice pack.
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Reasoner, M.A. Equipment and procedure improvements for a lightweight, inexpensive, percussion core sampling system. J Paleolimnol 8, 273–281 (1993). https://doi.org/10.1007/BF00177859
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DOI: https://doi.org/10.1007/BF00177859