Abstract
An attempt was made to demonstrate the significance of core compression (shortening) by the use of geochemical profiles. In Plastic Lake, Canada, the hypothesis was tested that the measured anthropogenic zinc burdens would differ in the sediments while the measured sediment enrichment factors would be comparable, in shortened and unshortened cores. However, there was no significant difference in either the anthropogenic zinc burdens or the sediment enrichment factors calculated from the shortened and unshortened cores. The fact that the anthropogenic zinc is found, almost exclusively, in the top 10 cm of the sediment in Plastic Lake may explain these results.
Published Version
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