Abstract
Materials for constructing a simple piston corer are available at most well-stocked hardware stores, primarily using galvanized fence post for the barrel, and pipe for the drive rod and head. These are assembled with a modicum of machinist skills. In the field, this VolksCorer operates like similar corers; it is limited to relatively shallow water (about 10–15 m) and is poorly suited for down-the-hole coring, but it requires few specialized tools. Likewise, materials to construct the VolksExtruder are widely available; this extruder, although simple, allows very precise extrusion control. The very low cost of the corer and extruder (less than US$50 each) make them suitable for investigators operating with low budgets without sacrificing sample quality.
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References
Brown, S. R., 1956. A piston sampler for surface sediments of lake deposits. Ecology 37: 611–613.
Fisher, M. M., M. Brenner & K. R. Reddy, 1992. A simple, inexpensive piston corer for collecting undisturbed sediment/water interface profiles. J. Paleolim. 7: 157–161.
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Haberyan, K.A. Coring and extruding sediments from shall lakes with the simple, inexpensive VolksCorer and VolksExtruder. Journal of Paleolimnology 26, 219–223 (2001). https://doi.org/10.1023/A:1011109810610
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DOI: https://doi.org/10.1023/A:1011109810610