diatoms

 PI:              Greta Fryxell
 dataset:         Relative abundance of three dominant diatoms 
 project/cruise:  EQPAC/TT013, Benthic cruise
 ship:            Thomas Thompson
 
 Parameter         Description                                          Units

 sta               station number from event log
 event             event number from event log
 tow               plankton tow type
                     H = Horizontal tow at surface
	             V = Vertical tow between 0-200 meters
 diatom_Nit_bi     relative abundance of bicapitate Nitzschia diatoms   percent
                     in the size fraction greater than 26 microns
 diatom_Nit_oth    relative abundance of other Nitzschia diatoms        percent
                     in the size fraction greater than 26 microns
 diatom_Pseudo     relative abundance of Pseudoeunoita diatoms          percent
                     in the size fraction greater than 26 microns