Description of labels in data file (NC108E-NC148W)

Col. Label Description Unit
A yyyymmdd date (year-month-day) GMT
B hhmmss time (hour-min-sec) GMT
C utc serial number since January 1, 1900 day
D Lat latitude degree N
E Lon longitute degree E
F ShipSpeed(KT) ship speed knots
G TrueHeading(deg) True Heading degree
H SLP sea level pressure hPa
I Air xCO2 calibrated atmospheric xCO2 ppm
J SD standard deviation of Air xCO2 cal  
K Flag_x 0: SD < 0.3; 1: SD < 1.0; blank: SD = 1.0 or more (value eliminated)  
L Air fCO2 calibrated atmospheric fCO2 μatm
M SD standard deviation of Air fCO2 cal  
N Flag_f 0: SD < 0.3; 1: SD < 1.0; blank: SD = 1.0 or more (value eliminated)  
O Air pCO2 calibrated atmospheric pCO2 μatm
P SD standard deviation of Air pCO2 cal  
Q Flag_p 0: SD < 0.3; 1: SD < 1.0; blank: SD = 1.0 or more (value eliminated)  
R EQTemp calibrated temperature in Equilibrator degree Celsius
S SST calibrated sea surface temperature(SST) degree Celsius
T SD standard deviation of calibrated SST  
U EQP(hPa) pressure in equilibrator hPa
V xCO2_Eq calibrated sea water xCO2 at equilibrator temperature ppm
W SD standard deviation of xCO2_Eq  
X fCO2_Eq sea water fCO2 at equilibrator temperature μatm
Y SD standard deviation of fCO2_Eq  
Z fCO2_SST sea water fCO2 at SST μatm
AA SD standard deviation of fCO2_SST  
AB xCO2_SST sea water xCO2 at SST ppm
AC SD standard deviation of xCO2_SST  
AD pCO2_SST sea water pCO2 at SST μatm
AE SD standard deviation of pCO2_SST  
AF delta fCO2 ΔfCO2 = sea water fCO2 at SST - atmospheric fCO2 μatm
AG delta xCO2 ΔxCO2 = sea water xCO2 at SST - atmospheric xCO2 ppm
AH delta pCO2 ΔpCO2 = sea water pCO2 at SST - atmospheric pCO2 μatm
AI Salinity verified salinity from calibrated SBE salinity  
AJ SD standard deviation of calibrated SBE salinity  
AK Bubble Flag 0: normal; 1: possible to bubble in pipe by ship rolling/pitching  
AL Bottle Name bottle name of sampling (NC125E or later)