nutrients

 PI:              Patricia Wheeler
 dataset:         Nutrients from Bottle Casts
 project/cruise:  EQPAC/TT012
 ship:            Thomas Thompson

 Methodology:  U.S. JGOFS Equatorial Pacific Process Study 
               Sampling and Analytical Protocols (section 13)

 PI-Notes
 
 DMO QC note (020905):
     event 10080449, sta 5, cast 35, bottle 4:  depth is reported as 130 
     in this file, but Murray reports 120 for this bottle in his data


 Parameter    Description                                      Units
  
 event        event/operation number from event log, 
                composed of elements of date and time decoded
                as follows (MMDDHHmm) where MM = month, DD =
                day, HH = hour, mm = minutes.  Date/time 
                reported in local Hawaii time.
 sta          station number from event log
 cast         CTD cast number from event log
 date         date of observation decoded as follows (YYMMDD)
                YY = year, MM = month, DD = day.  Reported in
                local time. 
 bot          CTD rosette bottle number
 depth        sample depth                                     meters     
 nh4          ammonium                                         micromoles/liter
 no3          nitrate                                          micromoles/liter
 no2          nitrite                                          micromoles/liter
 po4          phosphate                                        micromoles/liter
 sio4         silicate                                         micromoles/liter


 'nd' indicates missing data