CalCOFI Database Tables Description - DIC Table  
Column Header Units Description
ID Auto-numbered incremental index Auto-numbered incremental index for relational primary key
Cast_Index Auto-numbered Cst_Cnt Number Corresponds to the Auto-numbered Cst_Cnt field in the database Cast Table
Bottle_Index Auto-numbered Btl_Cnt Number Corresponds to the Auto-numbered Btl_Cnt field in the database Bottle Table
Cruise n.a. Cruise name: YYYYMM
Depth(m) Meters Depth in meters sample was collected from
Line Sta_ID n.a. 4 digit Line and 4 digit Station
Depth_ID n.a. [Century]-[YY][MM][ShipCode]-[CastType][Julian Day]-[CastTime]-[Line][Sta][Depth][Bottle]-[Rec_Ind]
DIC1 µmol/Kg Dissolved Inorganic Carbon micro-moles per kilogram seawater
DIC2 µmol/Kg Dissolved Inorganic Carbon micro-moles per kilogram seawater (on a replicate sample)
TA1 µmol/Kg Total Alkalinity micro-moles per kilogram seawater
TA2 µmol/Kg Total Alkalinity micro-moles per kilogram seawater (on a replicate sample)
pH1 n.a. Spectrophotometrically measured pH per kilogram seawater
pH2 n.a. Spectrophotometrically measured pH per kilogram seawater (on a replicate sample)
Salinity1 Practical Salinity Scale, 1978 (UNESCO, 1981a) Measured Salinity of DIC sample 1
Salinity2 Practical Salinity Scale, 1978 (UNESCO, 1981a) Measured Salinity of DIC sample 2
Temperature_degC Celsius Temperature of seawater as logged from CTD at time of niskin closure
Bottle Salinity Practical Salinity Scale, 1978 (UNESCO, 1981a) Measured salinity of CalCOFI salt sample
Bottle O2 (ml_L) Oxygen in mL/L Measured dissolved oxygen from CalCOFI oxygen sample
Bottle O2 (umol/Kg) µmol/Kg Measured oxygen in micro moles per kilogram from CalCOFI oxygen sample
Sigma-theta n.a. Potential Density of Water
DIC Bottle_ID1 n.a Number on DIC sample bottle for DIC Sample 1
DIC Bottle_ID2 n.a. Number on DIC sample bottle for DIC Sample 2
DIC Quality Comment n.a. Quality Comments associated with DIC sampling, drawing and analysis