Merchant ship observations were summarized for one-degree squares along the eastern shore of the Atlantic between 7° and 44°N; monthly averages were prepared for several properties including sea surface temperature and its difference from mid-ocean values, offshore Ekman transport, and surface current....
Wooster, Warren S., Andrew Bakun, and Douglas R. McLain. 1976. "The seasonal upwelling cycle along the eastern boundary of the North Atlantic." Journal of Marine Research 34, (2). https://elischolar.library.yale.edu/journal_of_marine_research/1351