optics_ap

 PI:              Greg Mitchell
 of:              Scripps Institution of Oceanography (UCSD)
 dataset:         Optics - particle absorption coefficients
 project/cruise:  AESOPS/NBP97-8   - Process 4 cruise
                  AESOPS/RR-KIWI-8 - APFZ Survey 2 cruise
                  AESOPS/RR-KIWI-9 - APFZ Process 2 cruise
 ship:            R/V Nathaniel B. Palmer
                  R/V Roger A. Revelle

 Methodology
 
 This data is associated with the B. Greg Mitchell, Dariusz Stramski, and Rick A.
 Reynolds AESOPS proposal entitled: "Optical measurements and modeling to
 estimate concentrations and fluxes of organic matter within the Southern Ocean" 
 
 The U.S. JGOFS DMO has compiled a list of event numbers
 for which there is no corresponding bottle file data.


 Parameter     Description                                 Units

 cruise_id     cruise designation
 event         event number from event log
 cast_type     CTD = CTD rosette
               TM = trace metal rosette
 sta           station number from event log
 cast          rosette cast number from event log
 bot           rosette bottle number
 depth_n       nominal depth                               meters
 ap_xxx        particle absorption coefficient at          1/meters
                 xxx wavelength