Product I: Temperature and Salinity Annual Fields

The annual fields are the average of the monthly fields down to 1500m, and the average of the seasonal fields for the remaining depth levels.

Field Depths
 The 33 available depths (in meters) are:
     0    400    1750
    10    500    2000
    20    600    2500
    30    700    3000
    50    800    3500
    75    900    4000
   100   1000    4500
   125   1100    5000
   150   1200    5500
   200   1300
   250   1400
   300   1500

Specifics