picophytoplankton

 PI:              Robert Olson and Heidi Sosik
 of:              Woods Hole Oceanographic Institution 
 dataset:         Picophytoplankton abundance and biomass
 project/cruise:  AESOPS/NBP-97-1 - Ross Sea Process 2 Cruise
 ship:            Nathaniel B. Palmer

 References:  Olson, R.J., E.R. Zettler and M.D. DuRand.  1993.  Phytoplankton
              analysis using flow cytometry.  In:  Kemp, P.F., B.F. Sherr,
              E.B. Sherr and J.J. Cole {Eds.}, Handbook of Methods in Aquatic
              Microbial Ecology, Lewis Publ., 777 pp.

 Method Note: 5-ml preserved samples were analyzed using a modified version of
              the flow cytometer in which each optical signal was split and
              measured by two photomultipliers at different gain settings, which
              increased the dynamic range of the measurements (allowing cells
              ranging in size from 1 to 40 micrometers to be analyzed
              simultaneously).

 DMO note regarding parameter names:
              In the parameter names listed below, lt40 indicates 
	      cells ranging in size from 1 to 40 microns.
 
 Parameter           Description                                 Units

 event               event number from event log
 sta                 station number from event log
 cast                CTD rosette cast number from event log
 cast_type           CTD = CTD rosette
                     TM = Trace Metal rosette
 bot                 rosette bottle number 
 depth_n             nominal sample depth                        meters
 bact_cyan_lt40      Cyanobacteria, abundance                    cells/ml
                      (Synechococcus and Prochlorococcus)
 diatom_pen_lt40     Pennate diatoms, abundance                  cells/ml
 diatom_pen_lt40_C   Pennate diatoms, biomass                    picograms C/ml
 phyto_cryp_lt40     Cryptophyte phytoplankton, abundance        cells/ml
 phyto_cryp_lt40_C   Cryptophyte phytoplankton, biomass          picograms C/ml
 phyto_oth_lt40      Other phytoplankton, abundance              cells/ml
 phyto_oth_lt40_C    Other phytoplankton, biomass                picograms C/ml
 phyto_tot_lt40      Total phytoplankton, abundance              cells/ml
 phyto_tot_lt40_C    Total phytoplankton, biomass                picograms C/ml
 nd                  no data