The oceanographic Research Vessel Marcus G. Langseth belongs to the National Science Foundation and operated by Lamont-Doherty Earth Observatory of Columbia University. The cruise took place in April - May 2013. The cruise area in the North Atlantic Ocean included the region between Bermuda and the Azores. Seventeen (17) measurement series spanning 14 days were acquired during the cruise.
Dr. Robert Dunn from the University of Hawaii was the Principal Investigator for aerosol optical depth measurements and Dr. Ryuta Arai (University of Hawaii at Manoa) operated a sunphotometer onboard.