optics_beamcp

 PI:              Greg Mitchell
 of:              Scripps Institution of Oceanography
 dataset:         Optics - particulate beam attenuation
 project/cruise:  AESOPS/NBP97-8 - Process 4 cruise
                  AESOPS/KIWI-8  - APFZ Survey 2 cruise
                  AESOPS/KIWI-9  - APFZ Process 2 cruise
 ship:            R/V  Nathaniel B. Palmer
                  R/V Roger A. Revelle

 Methodology


 Parameter     Description                                 Units

 cruise_id     cruise designation
 event         event number from event log
 cast_type     up or down cast of instrument package
 depth_n       nominal depth                               meters
 cp_488        particulate beam attenuation at 488 nm      1/m
 cp_660        particulate beam attenuation at 660 nm      1/m