SeaSoar

 PI:              Taro Takahashi
 collaborators:   S.C. Sutherland and Burke Hales
 of:              Lamont-Doherty Earth Observatory
 dataset:         Lamont Pumping SeaSoar (LPSS) CTD and Fluorometer data
 project/cruise:  AESOPS/NBP-97-8 - Ross Sea Process Cruise 4
 ship:            R/V Nathaniel B. Palmer
 
 Sampling Methodology

 Note:  "-9.900e+01" indicates no data


 Parameter     Description                          Units

 event         from cruise event log                MMDDhhmm
 section_name  tow number
 date_begin    date sampling begins                 YYYYMMDD
 date_end      date sampling ends                   YYYYMMDD
 lat           latitude (- for South)               decimal degrees
 lon           longitude (- for West)               decimal degrees
 press         pressure                             decibars
 sal           salinity (PSS-78)                    dimensionless
 temp          in-situ temperature                  degrees Celsius
 sigma_t       sigma density                        kg/cubic meter
               (density at in-situ temperature)
 PAR           Photosynthetically Active Radiation  microEinsteins/m^2/second
 O2_umol_kg    oxygen, dissolved                    micromoles/kg seawater
 pCO2_is       partial pressure of CO2 at the       microatmospheres
               temperature reported in temp
 NO3_NO2_kg    nitrate plus nitrite concentration   micromoles/kg seawater
 PO4_kg        phosphate                            micromoles/kg seawater
 SiO4_d        silicate depletion; difference       micromoles/kg seawater
                 between measured value and value 
                 in the deep water at the bottom of 
                 the cast
 chl_a_LPSS    chlorophyll-a concentration from     micrograms/kg
                 fluorometry