Global ETD Search
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Showing 1 to 4 of 4 for “"Oceanus (Ship : 1975-) Cruise OC202"”.
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Mixing and dynamics of the Mediterranean outflow
… two preferred isopycnals: 27.5 and 27.8 (Zenk 1975b). The spreading of the flow contains both a barotropic and baroclinic character. The average change in angle above and below the maximum velocity of the outflow is 8°while at the edges of the flow the average direction of the outflow diverges …
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A study of North Atlantic ventilation using transient tracers
… North Atlantic measured on a 1988 hydrographic cruise between Iceland and the equator. CFC tagged seawater fills the entire sub-polar water column and subtropical thermocline. Measurable CFC levels are found at the ocean bottom as far south as 35°N; the CFC penetration depth shoals to about 750 …
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Constraining the North Atlantic circulation with transient tracer observations
The capability of transient tracers to constrain the ocean circulation in the North Atlantic is explored. Study of an idealized tracer shows that inferences of circulation properties from transient state distributions are impacted by uncertainties in the time-varying boundary conditions and sparse …
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Temporal evolution of tritium-³He age in the North Atlantic : implications for thermocline ventilation
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 …