EXPLANATION OF OCEANOGRAPHIC STATION DATA 



Each of the items appearing on the data pages is explained below. 



Reference. 



Country Code. A code indicating nationality of the institute or agency 

 conducting the survey or expedition assigned according to WMO/IGY 

 country code (modified). 31 is the code for the United States, 

 Identity Number. A reference number assigned to the survey by NODC 

 for storage-retrieval purposes. 



Ship Code. Alphabetic abbreviation of the ship's name. 



Latitude. In degrees, minutes, and tenths of minutes. Hemisphere is 

 noted by N or S. 



Longitude. In degrees, minutes, and tenths of minutes. Hemisphere is 

 noted by E_ or W, 



Drift Indicator. The letter D appears in this column if extensive drift 

 occurred while on station, 



Marsden Square. Numbered according to the Marsden Square system in 10° 

 and 1° squares. 



Station Time (GMT). Month, day, and hour, to the nearest tenth, of the 

 surface environmental information taken on station. 



Year. The year in which the data were taken. 



Originator's Cruise Number. Cruise number, alphabetic or alpha-numeric 

 designator as assigned by the originator. 



Originator's Station Number. Stations are numbered by the originator to 

 designate a certain station location. This number is assigned either prior 

 to the beginning of the cruise or chronologically as the stations are 

 occupied. 



Depth to Bottom. Uncorrected sounding depth in meters. 



Max. Depth of Samples. Depth of deepest sample in hundreds of meters to 

 the nearest hundred meter interval. 



Wave Observations. 



Dir. Direction from which the dominant waves are coming, in tens of 



degrees, according to Table 1. (WMO Code 0885). 



Hgt. Height of dominant waves according to WMO Code 1555. 



Per. Period of dominant waves according to WMO Code 3155. 



Sea Amt. Sea amount (sea state) according to Table 2 when height and 



period are not given. 



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