Index of /ftp/oceans/VOS_Ronald_Brown/RB2007
Please cite this data set as:
Wanninkhof, R., R. D. Castle, and J. Shannahoff. 2008. Underway pCO2 measurements aboard the
R/V Ronald H. Brown during the 2007 cruises. http://cdiac.ess-dive.lbl.gov/ftp/oceans/VOS_Ronald_Brown/RB2007/.
Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy,
Oak Ridge, Tennessee. doi: 10.3334/CDIAC/otg.VOS_RB_2007
List of variables included in this dataset:
COLUMN HEADER EXPLANATION
1. GROUP/SHIP: AOML_Brown for all underway data from the Ron Brown.
2. CRUISE_DESIGNATION: Cruise ID (e.g., RBYYYYnn where RB = Ron Brown,
YYYY= the four digit year, and nn = the cruise number for
that year).
3. JD_GMT: Decimal year day.
4. DATE_DDMMYYYY: GMT date. The date format has been changed to comply
with the IOCCP recommendations.
5. TIME_HH:MM:SS: GMT time.
6. LAT_DEC_DEGREE: Latitude in decimal degrees (negative values are in the southern hemisphere).
7. LONG_DEC_DEGREE: Longitude in decimal degrees (negative values are in the western hemisphere).
8. xCO2W_PPM: Mole fraction of CO2 (dry) in the equilibrator
headspace at equilibrator temperature (Teq) in parts
per million.
9. xCO2A_PPM: Mole fraction of CO2 in air in parts per million.
10. PRES_EQUIL_hPa: Barometric pressure in the lab in hectopascals (1
hectopascal = 1 millibar).
11. PRES_SEALEVEL_hPa: Barometric pressure corrected to sea level from the ship’s barometer in hectopascals (1 hectopascal = 1 millibar).
12. EqTEMP_C: Temperature in equilibrator water in degrees
centigade. Temperature in equilibrator measured with
a calibrated thermistor.
13. SST(TSG)_C: Temperature from the ship's thermosalinograph in
degrees centigrade.
14. SAL(TSG)_PERMIL: Salinity from the ship's thermosalinograph on the
Practical Salinity Scale.
15. WATER_FLOW_L/MIN: Water flow rate through the equilibrator in liters per minute.
16. GAS_FLOW_IR_ML/MIN: Gas flow through the sample cell of the Licor IR analyzer in milliliters per minute.
17. TEMP_IR_C: Temperature in the Licor sample cell in degrees centigrade.
18. PRES_IR_hPa: Barometric pressure in the lab in hectopascals (1
hectopascal = 1 millibar). The Licor in this system does not include a pressure sensor so this field is the same as # 10 above.
19. SHIP_HEADING_TRUE_DEGREE: Ship’s heading in true degrees from the ship’s scientific computing system.
20. SHIP_SPEED_KNOT: Ship’s speed in knots from the ship’s scientific computing system.
21. WIND_DIR_REL_DEGREE: Relative wind direction in degrees from the ship’s scientific computing system.
22. WIND_SPEED_REL_M/S: Relative wind speed in meters per second from the ship’s scientific computing system.
23. fCO2W@SST_uatm: Fugacity of CO2 in sea water in microatmospheres
calculated as outlined below.
24. QC_FLAG_WATER: Quality control flag for fCO2W@SST measurement. 2 = good, 3 = questionable, 4 = bad.
25. fCO2A_uATM: Fugacity of CO2 in air in microatmospheres
calculated as outlined below.
24. QC_FLAG_AIR: Quality control flag for fCO2A measurement. 2 = good, 3 = questionable, 4 = bad.
27. dfCO2_uATM: Sea water fCO2 - air fCO2 in microatmospheres. This
uses the average air value for the current hour.
28. FLUORO_uG/l: Measurement from the ship’s Turner 10AU fluorometer in micrograms per liter.
29. WIND_SPEED_TRUE_M/S: True wind speed in meters per second from the ship’s scientific computing system.
30. WIND_DIR_TRUE_DEGREE: True wind direction in degrees from the ship’s scientific computing system.
31. AIR_TEMP_C: Outside air temperature from the ship’s scientific computing system.