trace_Fe_Al

 PI:              Christopher Measures 
 of:              School of Ocean and Earth Science and Technology
				at the University of Hawaii
 dataset:         Dissolved iron and aluminum conc. from bottle casts
 project/cruise:  AESOPS/KIWI7, APFZ Process cruise 1
 ship:            Roger Revelle
 
 Notes and Methodology

 Parameter      Description                                   Units

 event          event number from event log
 sta            station number from event log
 cast           cast number from event log
 cast_type      CTD = CTD rosette
                TM = Trace Metal rosette
 bot            bottle number
 depth_n        nominal sample depth                          meters
 Al_diss_lt0d2  dissolved aluminum conc. <0.2 microns         nanomoles/liter
 Fe_diss_lt0d2  dissolved iron conc. <0.2 microns             nanomoles/liter