optics_irrad

 PI:              Greg Mitchell
 of:              Scripps Institution of Oceanography
 dataset:         Optics - downwelling irradiance, upwelling radiance using MER 2040
 project/cruise:  AESOPS/NBP97-8 - Process 4 cruise
 ship:            R/V  Nathaniel B. Palmer

 Methodology


 Parameter     Description                                 Units

 cruise_id     cruise designation
 event         event number from event log
 depth_n       nominal depth                               meters
 Ed_xxx        in water downwelling irradiance             W m^-2 nm^-1
                  at xxx nm wavelength
 Es_xxx        surface downwelling irradiance              W m^-2 nm^-1
                  at xxx nm wavelength
 Lu_xxx        in water upwelling radiance                 W m^-2 sr-1 nm^-1
                  at xxx nm wavelength