One-minute average cruise track and ship velocity of the Antarctic Circumnavigation Expedition (ACE) undertaken during the austral summer of 2016/2017.

Data file: cruise-track-1min-legs0-4.csv

date_time: date and time of one minute averaging interval (center) in ISO 8601 format YYYY-MM-DDThh:mm:ss+00:00 [UTC]
latitude: average latitude of the ship [degree_north]
longitude: average longitude of the ship [degree_east]
platform_speed_wrt_sea_water_east: average velocity of the ship in East direction [m s-1]
platform_speed_wrt_sea_water_north: average velocity of the ship in North direction [m s-1]
platform_orientation: average heading of the ship clockwise from North [degree]
platform_course: average course of the ship clockwise from North [degree]
platform_speed_wrt_ground: average velocity of the ship [m s-1]
VELOCITY_SOURCE: Flag indicating the source of the velocity estimates (1 = from 1/second filtered GPS coordinates; 3 = from 1/3second true and relative wind speed record; 30 = from 1/30second filtered GPS coordinates)