nutrients

 PI:             Christopher Garside
 dataset:        Nutrients
 project/cruise: EQPAC/TT007
 ship:           Thomas Thompson

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

 PI-Notes on Quality Procedure
 PI-Notes on NO3 vs. T/S misfits


 Parameter   Description                          Units

 event       event/operation number per event log 
 sta         station number per event log 
 cast        CTD cast number per event log
 date        date as year month day GMT           yymmdd 
 time        time of day GMT                      decimal hours 
 bot         CTD rosette bottle number 
 press       sample depth reported as pressure    decibars
 NH4         ammonium                             micromoles/liter
 NO3         nitrate                              micromoles/liter  
 NO2         nitrite                              micromoles/liter
 PO4         phosphate                            micromoles/liter
 SiO4        silicate                             micromoles/liter
 urea        urea                                 micromoles N/liter
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