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Source: http://cdiac.ornl.gov:8080/xml-oceans/ako/underway/VOS_Columbus.xml
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simpleSaveXMLlength: 7785
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OME_version: non-OME
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DTD_version: unknown
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Creation_datetime: 20060605 104910
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Creation_IP: 160.91.18.70
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File_revision: 20090114 101024
Investigator
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Name: Feely, Richard A.
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Organization: NOAA/PMEL
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Address: 4301 Rickenbacker Causeway
7600 Sand Point Way NE,Seattle, WA 98115
Miami, FL 33149
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Phone: 1(206) 526-6214
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Email: Richard.A.Feely@noaa.gov
Investigator
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Name: Tilbrook, Bronte
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Organization: CSIRO Marine Research
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Address: 7600 Sand Point Way NE,Seattle, WA 98115
P.O. Box 1538,Hobart, Tasmania 7001,AUSTRALIA
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Phone: +61-3-6232-5273
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Email: Bronte.Tilbrook@csiro.au
Dataset_Info
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Dataset_ID: Columbus Waikato Underway Data
Submission_Dates
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Initial_Submission: 20060606
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Revised_Submission: 20090109
Cruise_Info
Experiment
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Experiment_Name: VOS Underway Measurements
Cruise
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Cruise_ID: VOS Columbus Waikato
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Section: VOS Sections
Geographical_Coverage
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Geographical_Region: Pacific Ocean
Bounds
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Westernmost_Longitude: 140
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Easternmost_Longitude: -120
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Northernmost_Latitude: 40
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Southernmost_Latitude: -40
Temporal_Coverage
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Start_Date: 20040303
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End_Date: 20060115
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Ports_of_Call: Los Angeles, CA
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Ports_of_Call: Auckland, New Zealand
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Ports_of_Call: Melbourne, Australia
Vessel
Variables_Info
Variable
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Variable_Name: xCO2eq_ppm
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Description_of_Variable: Mole fraction of CO2 in the equilibrator at equilibrator temperature (Teq) in parts per million
Variable
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Variable_Name: xCO2A_PPM
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Description_of_Variable: Mole fraction of CO2 in air in parts per million
Variable
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Variable_Name: PRES_EQUIL_hPa
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Description_of_Variable: Barometric pressure in the lab in hectopascals
Variable
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Variable_Name: PRES_SEALEVEL_hPa
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Description_of_Variable: Barometric pressure from ship's computer system, corrected to sea level in hectopascals
Variable
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Variable_Name: EqTEMP_C
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Description_of_Variable: Temperature in equilibrator water in degrees centrigade
Variable
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Variable_Name: SST(TSG)_C
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Description_of_Variable: Temperature from the ship's thermosalinograph in degrees centrigrade
Variable
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Variable_Name: SAL(TSG)
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Description_of_Variable: Salinity from the ship's thermosalinograph
Variable
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Variable_Name: WATER_FLOW_L/MIN
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Description_of_Variable: Water flow through equilibrator in liters per minute
Variable
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Variable_Name: GAS_FLOW_IR_ML/MIN
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Description_of_Variable: Gas flow through the Licor infrared analyzer before the flow is stopped in milliliters per minute
Variable
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Variable_Name: TEMP_IR_C
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Description_of_Variable: Temperature of the Licor infrared analyzer sample cell in degrees centrigrade
Variable
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Variable_Name: PRES_IR_hPa
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Description_of_Variable: Pressure in the Licor infrared analyzer in hectopascals
Variable
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Variable_Name: fCO2W@SST_uATM
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Description_of_Variable: Fugacity of CO2 in sea water in microatmospheres
Variable
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Variable_Name: fCO2A_uATM
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Description_of_Variable: Fugacity of CO2 in air in microatmospheres
Variable
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Variable_Name: dfCO2_uATM
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Description_of_Variable: Sea water fCO2 - air fCO2 in microatmospheres
Method_Description
Equilibrator_Design
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Equilibrator_Type: Showerhead, volume of ~0.5 L with a headspace of ~ 0.8 L
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Equilibrator_Volume: ~0.5 L
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Water_Flow_Rate: 1.5 to 2 L/min
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Headspace_Gas_Flow_Rate: 60 mL/min
- Vented:
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Measurement_Method: Infrared absorption of dried gas
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Manufacturer_of_Calibration_Gas: NOAA/CMDL in Boulder
CO2_Sensors
CO2_Sensor
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Manufacturer: Licor 6262, Serial # IRG3-1261
- Model:
- Environmental_Control:
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Resolution: 0.3 uatm for equilibrator measurements, 0.2 utam for atmospheric measurements
- Uncertainty:
- CO2_Sensor_Calibration:
Other_Sensors
- Manufacturer:
- Model:
- Resolution:
- Uncertainty:
- Calibration:
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Method_References: Wanninkhof, R., and K. Thoning, 1993: Measurement of fugacity of CO2 in
surface water using continuous and discrete sampling methods. Mar. Chem., v. 44, no. 2-4, pp. 189-205.<br>
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.
- Data_set_References:
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Citation: Feely, R., B. Tilbrook. 2006. Underway pCO2 Data Obtained During the VOS Columbus Waikato Cruises in the Pacific Ocean (2004-2006).
http://cdiac.ornl.gov/oceans/VOS_Program/columbus.html. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, Tennessee.
Data_Set_Link