"Oceanus (Ship : 1975-) Cruise OC52" · 2 results · Global ETD Search

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Showing 1 to 2 of 2 for “"Oceanus (Ship : 1975-) Cruise OC52"”.

Temporal evolution of tritium-³He age in the North Atlantic : implications for thermocline ventilation

Robbins, Paul E.Massachusetts Institute of Technology and Woods Hole Oceanographic Institution1997

This thesis is a study of the physical mechanisms that ventilate the subtropical thermocline of the eastern North Atlantic. The starting point is an analysis of the existent historical database of natural and anthropogenic tracers, with special emphasis on 3He and tritium, that can be used to infer …

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The ecology of colonial radiolarians : their colony morphology, trophic interactions and associations, behavior, distribution, and the photosynthesis of their symbionts

Swanberg, Neil RalphMassachusetts Institute of Technology and Woods Hole Oceanographic Institution1979

Colonial radiolarians (Spumellaria) are among the most common and abundant large zooplankton, but they have been little studied by modern biologists. Colonies were found on 98% of epipelagic diving stations in the period from 1977 to 1979. Measured abundances ranged from .04 to 540 colonies per m3. …

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