Data dictionary for Sitka Tribe of Alaska data files submitted to SOCAT and OCADS

(1) Yearday: numeral day of the year 

(2) Year: calendar year 

(3) Matlab Serial Date Number (days since Jan 1 0000): serial date number in Matlab format

(4) Excel Serial Date Number (days since Jan 1 1990): serial date number in Excel format 

(5) TSG-T (deg C): SBE 45 TSG seawater temperature in degrees C	 

(6) TSG-S (PSS-78): SBE 45 TSG seawater salinity in Practical Salinity Units 

(7) corrected xCO2 (ppm): corrected SW CO2 mole fractions in wet air (ppm)	 

(8) equilibrator pressure (kPa): total pressure of equilibration (equilibrator differential pressure + LI840 cell pressure; kPa)

(9) SWpCO2@TSG_T (uatm) 

(10) SWfCO2@TSG_T (uatm) 

(11) SBE56_T (deg C) 

(12) SST (TSG-T minus mean delta-T) 

(13) SWpCO2@SST (uatm): SW CO2 partial pressure in wet air (uatm)

(14) SWfCO2@SST (uatm): SW CO2 fugacity in wet air (uatm) 

(15) TA (umol/kg; from Evans et al., 2015 relationship) 

(16) TCO2 (umol/kg; Waters et al constants) 

(17) pH_T (total scale; Waters et al constants) 

(18) Omega_arag (Waters et al constants) 

(19) Omega_calc (Waters et al constants) 

(20) Revelle factor (Waters et al constants)

(21) Date and Time: in GMT yyyy-mm-dd hh:mm:ss

(22) Latitude (deg N): degrees north

(23) Longitude (deg W): degrees west