OCL/NODC CODES USED IN THE WORLD OCEAN DATABASE 1998.

 OCL CODES ARE THE SAME AS THOSE USED BY NODC EXCEPT WHERE AN NODC
 CODE IS A CHARACTER VALUE IN WHICH CASE OCL ASSIGNS A NUMERIC 
 EQUIVALENT. THE NODC CODE IS IN PARENTHESIS IF DIFFERENT FROM THE
 OCL CODE.

 FIRST NUMBER: OCL CODE
 SECOND NUMBER: NODC CODE
 THIRD NUMBER: CODE DESCRIPTION

   
     36   0613   DATA INTERVAL (XBT)
     --   ----   --------------------
      1        -- FIXED INTERVAL LE 0.1 METER AND LE 0.1 DEG C
      2        -- FIXED INTERVAL GT 1 METER BUT LE 3 METERS AND LE 0. 1
                  DEG C
      3        -- FIXED INTERVAL GT 3 METERS BUT LE 6 METERS AND LE 0 .1
                  DEG C
      4        -- FIXED INTERVAL GT 6 METERS AND LE 0.1 DEG C
     11        -- FIXED INTERVAL LE 1 METER AND LE 0.2 DEG C
     12        -- FIXED INTERVAL GT 1 METER BUT LE 3 METERS AND LE 0. 2
                  DEG C
     13        -- FIXED INTERVAL > 3 METERS AND <= 6 METERS AND <=
                  0.2DEG C
     31        -- VARIABLE INTERVAL - MANUALLY DETERMINED
     32        -- VARIABLE INTERVAL - STATISTICALLY DETERMINED
     33        -- VARIABLE INTERVAL - PHYSICALLY DETERMINED
     34   (FI) -- XED INTERVAL GT 3 METERS BUT LT 6 METERS AND LE 0.2
                  DEG C