Tlk zonal and temporal structure of the mean and low-frequency flow beneath the Gulf Stream at 55W is explored in an analysis of 17 months of current and temperature measurements at 4000 m depth….
Hendry, R. M.. 1982. "On the structure of the deep Gulf Stream." Journal of Marine Research 40, (1). https://elischolar.library.yale.edu/journal_of_marine_research/1576