nanoplankton

 PI:              David Caron and Darcy Lonsdale
 of:              Woods Hole Oceanographic Institution 
 dataset:         Nanoplankton abundance and biomass
 project/cruise:  AESOPS/NBP-97-3 - Ross Sea Process Cruise 3
 ship:            Nathaniel B. Palmer

 Methodology 
 
 Parameter    Description                                 Units

 event        event number from event log
 sta          station number from event log
 cast         CTD cast number
 cast_type    CTD = CTD rosette
              TM = Trace Metal rosette
 bot          rosette bottle number
 depth_n      nominal sample depth                         meters
 pnp          phototrophic nanoplankton abundance          cells/milliliter
 pnp_C        phototrophic nanoplankton biomass            micrograms carbon/liter
 hnp          heterotrophic nanoplankton abundance         cells/milliliter
 hnp_C        heterotrophic nanoplankton biomass           micrograms carbon/liter