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A comparison of lead and zinc sediment profiles from cores taken by diver and a gravity corer (1984)

Evans, Hayla E. ; Lasenby, David C.

Springer

Hydrobiologia 108 (1984), S. 165-169

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ISSN: 1573-5117

Keywords: gravity coring ; K-B corer ; lake sediments ; zinc ; lead

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract The zinc and lead concentrations were compared in several pairs of sediment cores obtained with a modified K-B corer and by Scuba diver from Coon Lake, Canada. A slow approach to and penetration of the sediments (ca. 0.1 m s-1) was employed for both coring devices. The modified K-B corer gave similar lead and zinc profiles to the diver cores. The divers observed that the K-B corer caused no disturbance of the surface sediment layers as it approached and entered the sediments. These results suggest that the K-B corer is suitable for use in lake studies requiring short, undisturbed cores from fine-grained sediments.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00014876

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