The effect of brine on the collection efficiency of cylindrical sediment traps

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ID: 305713
1997
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Abstract
Cylindrical sediment traps are frequently used to measure the downward flux of particles in the upper ocean. Some protocols recommend filling these traps with brine (50 psu in excess of ambient) before deployment to better retain the collected sample. However, this also changes the aspect ratio of the traps-a critical parameter affecting the trapping effkiency. We conducted controlled experiments in a flume that demonstrate filling traps with a 5 psu brine decreases their trapping efficiency to 54% at a velocity of 5 cm set-‘, and to 75% at 15 cm set-’ relative to the same trap with no brine. This suggests that a revision of the protocols and further experiments are needed.
Reference Key
openalex_W2078270388 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wilford D. Gardner, Zhang Youcheng
Journal journal of marine research
Year 1997
DOI
10.1357/0022240973224157
URL
Keywords Keywords not found

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