Trapping efficiency of bottom-tethered sediment traps estimated from the intercepted fluxes of 230Th and 231Pa

The trapping efficiency of bottom-tethered deep-sea sediment traps deployed in four oceanic basins was estimated from the intercepted fluxes of (231)Pa and (230)Th. The results validate the general use of baffled, conical sediment traps for measuring the settling flux of particles in the bathypelagi...

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Bibliographic Details
Published in:Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 2001-03, Vol.48 (3), p.865-889
Main Authors: YU, E.-F, FRANCOIS, R, BACON, M. P, HONJO, S, FLEER, A. P, MANGANINI, S. J, VAN DER LOEFF, M. M, ITTEKOT, V
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Fluid dynamics
Isotope geochemistry
Isotope geochemistry. Geochronology
Isotopes
Marine and continental quaternary
Ocean currents
Organic chemistry
Sediments
Surficial geology
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Summary:The trapping efficiency of bottom-tethered deep-sea sediment traps deployed in four oceanic basins was estimated from the intercepted fluxes of (231)Pa and (230)Th. The results validate the general use of baffled, conical sediment traps for measuring the settling flux of particles in the bathypelagic zone (depth > 1200 m) of the open ocean where current velocity is generally low.
ISSN:0967-0637
1879-0119