As part of the POLYMODE experiment, three clusters (labeled A, B, C) of moored current meters and temperature-pressure recorders were deployed in three relatively unexplored regions in the North Atlantic Ocean to study the mesoscale variability….
Fu, L.-L., T. Keffer, P. P. Niiler, and C. Wunsch. 1982. "Observations of mesoscale variability in the western North Atlantic: A comparative study." Journal of Marine Research 40, (3). https://elischolar.library.yale.edu/journal_of_marine_research/1608