Description of labels in data file (NC149E or later)
| 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 | Epoch | UNIX Epoch time (the number of seconds that have elapsed since 00:00:00 Thursday, 1 January 1970 UTC) | second |
| E | Lat | latitude | degree N |
| F | Lon | longitute | degree E |
| G | ShipSpeed(KT) | ship speed | knots |
| H | TrueHeading(deg) | True Heading | degree |
| I | SLP | sea level pressure | hPa |
| J | Air xCO2 | calibrated atmospheric xCO2 | ppm |
| K | SD | standard deviation of Air xCO2 cal | |
| L | Flag_x | 0: SD < 0.3; 1: SD < 1.0; blank: SD = 1.0 or more (value eliminated) | |
| M | Air fCO2 | calibrated atmospheric fCO2 | μatm |
| N | SD | standard deviation of Air fCO2 cal | |
| O | Air pCO2 | calibrated atmospheric pCO2 | μatm |
| P | SD | standard deviation of Air pCO2 cal | |
| Q | EQTemp | calibrated temperature in Equilibrator | degree Celsius |
| R | SST | calibrated sea surface temperature(SST) | degree Celsius |
| S | SD | standard deviation of calibrated SST | |
| T | EQP(hPa) | pressure in equilibrator | hPa |
| U | xCO2_Eq | calibrated sea water xCO2 at equilibrator temperature | ppm |
| V | SD | standard deviation of xCO2_Eq | |
| W | fCO2_Eq | sea water fCO2 at equilibrator temperature | μatm |
| X | SD | standard deviation of fCO2_Eq | |
| Y | fCO2_SST | sea water fCO2 at SST | μatm |
| Z | SD | standard deviation of fCO2_SST | |
| AA | xCO2_SST | sea water xCO2 at SST | ppm |
| AB | SD | standard deviation of xCO2_SST | |
| AC | pCO2_SST | sea water pCO2 at SST | μatm |
| AD | SD | standard deviation of pCO2_SST | |
| AE | delta fCO2 | ΔfCO2 = sea water fCO2 at SST - atmospheric fCO2 | μatm |
| AF | delta xCO2 | ΔxCO2 = sea water xCO2 at SST - atmospheric xCO2 | ppm |
| AG | delta pCO2 | ΔpCO2 = sea water pCO2 at SST - atmospheric pCO2 | μatm |
| AH | Salinity | verified salinity from calibrated SBE salinity | |
| AI | SD | standard deviation of calibrated SBE salinity | |
| AJ | Bubble Flag | 0: normal; 1: possible to bubble in pipe by ship rolling/pitching | |
| AK | Bottle Name | bottle name of sampling (NC125E or later) |
Changes since previous format