| Summary: | Also published as: Journal of Marine Research, Volume 35, 1977, pp. 21-28 Very large (5-10 cm s-1) long-term averaged zonal flows have been observed near 4000 m depth in the vicinity of a recently hypothesized (Worthington, in press) horizontally restricted subtropical gyre in the deep western North Atlantic. The Reynolds stresses associated with low frequency fluctuations may play a significant role in the dynamics of this deep mean flow, possibly inducing a significant downstream increase in transport of the Gulf Stream, perhaps driving the deep gyre. Prepared for the Office of Naval Research under Contracts N00014-66-C-0241; NR 083- 004 and N00014-74-C-0262; NR 083-004 and for the International Decade of Ocean Exploration of the National Science Foundation under Grant OCE75-03962.
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