"The Atlantic Meridional Transect (AMT) is a multidisciplinary programme which undertakes biological, chemical and physical oceanographic research during an annual voyage between the UK and destinations in the South Atlantic." As of early November, 2013, there have been 23 cruises. AMT data have resulted in many publications including three special issues.
National Center for Atmospheric Research Staff (Eds). Last modified 31 Oct 2013. "The Climate Data Guide: Atlantic Meridional Transect (AMT) ." Retrieved from https://climatedataguide.ucar.edu/climate-data/atlantic-meridional-transect-amt.