gas_ratio

 
  
  PI:                Steve Emerson, University of Washington
  dataset:           Ancillary measurements, O2, Ar, N2, and delta 18O
  project/cruise:    HOTS/Cruises 12-20, 21, 34, 36-43, 45
  ship:              Moana Wave, Kila, Wecoma, Thompson

PI-Notes

 Parameters         Descriptions                              Units


 cruise            HOTS cruise identification
 cast              CTD rosette cast number, consecutive within
                     cruise identification, all casts made at HOTS
	             station #2
 date              date reported as MMDDYY                    UTC 
 lat               latitude (minus = south)                   decimal degrees
 lon               longitude (minus = west)                   decimal degrees
 depth             sample depth                               meters
 temp              temperature (CTD)                          decimal deg. C.
 sal               salinity ( autosal salinometer)            o/oo
 O2                oxygen (winkler titration)                 umol/kg
 O2_to_Ar          oxygen argon ratio
 O2_to_N2          oxygen nitrogen ratio
 del_18O_vs_air    The difference of oxygen 18 isotope at
                     depth from that of the atmosphere
		     
 nd                missing data