In June-July 1971 four deep hydrographic sections were made across the Kuroshio south of Japan, eight near-bottom current meters were placed under the Kuroshio on the continental slope, and the near-surface current structure was measured by XBT mapping of the temperature field and tracking four surface drogues....
Taft, Bruce A.. 1978. "Structure of Kuroshio south of Japan." Journal of Marine Research 36, (1). https://elischolar.library.yale.edu/journal_of_marine_research/1424