bottle

 PI:              Lou Codispoti
 dataset:         Temp, salinity, nutrients from Niskin bottles
 project/cruise:  Arabian Sea/TTN039 - Intercalibration Cruise
 ship:            Thomas Thompson

 Final Recalibration changes (10/28/96)
 PI Notes and Methodology


 Parameter   Description                                   Units

 event       a unique number assigned to each sampling
             operation consisting of month MM, day DD
	     and time TT.T
 sta         station number
 cast        CTD cast number
 date        date (YYYYMMDD) decoded as follows
               YYYY = year, MM = month, DD = day
               Date converted to UTC(GMT).
 time        time of day in UTC(GMT)                       decimal hours
 lat         latitude (negative = South)                   decimal degrees
 lon         longitude (negative = West)                   decimal degrees
 bot         CTD rosette bottle number
 press       sample depth reported as pressure             decibars
 temp        temperature, taken from CTD, IPTS-68          degrees C
 sal_bot     bottle salinity (Autosal; PSU)                dimensionless
 O2_ml_L     oxygen (Winkler)                              milliliters/liter
 O2_umol_kg  oxygen (Winkler)                              micromoles/kilogram
 O2_umol_L   oxygen (Winkler)                              micromoles/liter
 O2_4        oxygen (colorimetric)                         milliliters/liter
 NO3         nitrate                                       micromoles/liter
 PO4         phosphate (reactive phosphorus)               micromoles/liter
 SiO4        silicate (silicic acid/reactive silica)       micromoles/liter
 NO2         nitrite                                       micromoles/liter
 NH4         ammonium                                      micromoles N/liter
 
 nd indicates missing or bad data