Underway measurements metadata form

• Investigator:
  • Name: Dr. Richard Feely
  • Organization: NOAA/PMEL
  • Address:
    7600 Sand Point Way NE Seattle, WA 98115
  • Phone: 206-526-6214
  • Email: Richard.A.Feely@noaa.gov
• Dataset Info:
  • Dataset ID: KA0701
  • Submission Dates:
    • Initial Submission: 2008/07/24
    • Revised Submission:
• Cruise Info:
  • Experiment:
    • Experiment Name: Underway measurement of atmospheric and surface water pCO2
    • Cruise:
      • Cruise ID: GP107KA
      • Section:
      • Geographical Coverage:
        • Geographical Region:
          Equatorial Pacific
        • Bounds:
          • Westernmost Longitude: -126.502
            Degrees, Minutes, Seconds: E
          • Easternmost Longitude: -90.2927
            Degrees, Minutes, Seconds: E
          • Northernmost Latitude: 47.5662
            Degrees, Minutes, Seconds: N
          • Southernmost Latitude: -8.0527
            Degrees, Minutes, Seconds: N
      • Temporal Coverage:
        • Start Date: 2007/03/07
        • End Date: 2007/04/20
      • Ports of Call:
        Seattle Washington, USA Manzanillo, Mexico
  • Vessel:
    • Vessel Name: NOAA Ship Ka'imimoana
    • Vessel ID: WTEU
    • Country: USA
    • Vessel Owner: NOAA
• Variables Info:
  • Variable:
    • Variable Name: xCO2W_ppm
    • Description of Variable: Mole fraction of dry CO2 in equilibrator headspace in parts per million
  • Method Description:
    • Equilibrator Design:
      • Equilibrator type: Showerhead
      • Equilibrator volume:0.5 liters
      • Water_Flow_Rate: 3.5 liters/minute
      • Headspace_Gas_Flow_Rate:60 ml/minute
      • Vented: Yes
    • Measurement Method: Infrared absorption of dried gas
    • Manufacturer of Calibration Gas: NOAA/CMDL
    • C0₂ Sensors:
      • Manufacturer: Licor
      • Model: 6262, Serial number IRG3-1295
      • Environmental Control:
        Gas Standard Concentrations: 363.96 421.13 466.38 496.11
      • Resolution: 0.3 uatm
      • Uncertainty: 0.2 uatm
      • Calibration:
        System is calibrated every 2.5 hours with the gas standards referenced. Temperature is measured with a Hart thermometer (Fluke Scientific), calibrated yearly.
    • Other sensors:
      • Manufacturer: Seabird TSG
      • Model: 21, Serial number 1885, Remote Temp Probe serial number 2356
      • Resolution: .001 °C
      • Calibration:
        Yearly
    • Method References:
      Feely, R.A., R. Wanninkhof, H.B. Milburn, C.E. Cosca, M. Stapp, and P.P. Murphy, A new automated underway system for making high precision pCO2 measurements onboard research ships, Analytica Chim. Acta, 377, 185-191, 1998. and Wanninkhof and Thoning, Measurement of fugacity of Carbon Dioxide in surface water and air using continuous sampling methods, Marine Chemistry, 44, 189-205, 1993.
  • Additional Information:
    Shoreside support and data reduction performed by Cathy Cosca, cathy.cosca@noaa.gov System maintained by chief survey technician Tonya Watson
  • Data Set References:
    http://www.pmel.noaa.gov/co2/uwpco2/
  • Citation:
    http://www.pmel.noaa.gov/co2/uwpco2/
• Data Set Link:
  • URL: http://www.pmel.noaa.gov/co2/uwpco2/
  • Label: KA0701_final.csv
  • Link Note: