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Dataset_ID: CLIVAR_P03_2005
Investigator(s) Name: Murata, Akihiko
Organization: JAMSTEC
Address: Japan Ahency for Marine-Earth Science and Technology2-15, Natsushima, Yokosuka, 237-0061, japan
Phone: +81-46-867-9470
Email: akihiko.murata@jamstec.go.jp

Name: Watanabe, Shuichi
Organization: JAMSTEC
Address: Japan Ahency for Marine-Earth Science and Technology690 Kitasekine, Sekine, Mitsu City, Aomori, 035-0022, Japan
Phone: +81-175-45-1033
Email: swata@jamstec.go.jp
Dataset Info:Dataset ID:CLIVAR_P03_2005
Submission Dates: Initial Submission: 20080114
Revised Submission: 20080114
Cruise Info:
  • Experiment:
    1. Experiment Name: CLIVAR Repeat Hydrography
Cruise:
  • Cruise ID: 49NZ20051031 (49MR0505/1/2/3)
  • Section: CLIVAR P03
  • Geographical Coverage:
    1. Geographical Region: Pacific Ocean
Bounds:
NorthWestSouthEast
3512010-115


Temporal Coverage: Start Date: 20051031 End Date: 20060130
Vessel:Vessel Name:R/V Mirai
Vessel ID:49NZ
Country:Japan
Vessel Owner:JAMSTEC
Data Center URL: http://cdiac.esd.ornl.gov/
Download Data Sets: Repeat Section P03_2005

Variable Info: downup
Variable NameDescription of Variable
CTD temperatureDeg. C
CTD salinity
CTD oxygenumol/kg
salinity
oxygenumol/kg
nutrientsumol/kg
CFCspmol/kg
TCO2umol/kg
TALKumol/kg
pH
delC13/mille
delC14/mille
underway pCO2uatm
Method Description:
  • Total C02 Data:
    1. TCO2 Analysis Method: Coulometric, Systems A and B: Nippon ANS, Inc. and coulometer Model 5012, UIC Inc.
    2. Standardization Technique:
      1. Technique Description:
      2. Sample Volume: 300mL
      3. CRM Info:
        1. Correction Magnitude: No
        2. Batch Number: 69=1907.63 umol/kg72=2091.61 umol/kg
        3. CRM Analysis Info: conducted quality control of the data after returning to a laboratory on land. With calibration factors, which had been determined on board based on blank and 5 kinds of Na2CO3 solutions (see analysis), calculated CT of CRM (batches 69 and 72), and plotted the values as a function of sequential day, separatinglegs and the systems used.
    3. Field Replicate Info:
    4. Poisoning Info: 100 uL
      1. Poisoning Correction Description:
      2. Poison Volume: 100 uL
    5. Accuracy Info: The average and standard deviation of absolute values of differences of DIC analyzed consecutively were 1.2 and 1.1 umol/kg (n=129), 1.0 and 0.7 umol/kg (n=197), and 0.5 and 0.5 umol/kg (n=21), for Leg.1, 2 and 3,respectively.
    6. Method References: Johnson, K. M., A. G. Dickson, G. Eischeid, C. Goyet, P. Guenther, R. M. Key, F. J. Millero, D. Purkerson, C. L. Sabine, R. G. Schottle, D. W. R. Wallace, R. J. Wilke and C. D. Winn (1998), Coulometric total carbon dioxide analysis for marine studies: assessment of the quality of total inorganic carbon measurements made during the US Indian Ocean CO2 survey 1994-1996, Mar. Chem., 63, 21-37.
    7. Citations:
  • Alkalinity:
    1. Curve Fitting Method: The measuring system for AT (customized by Nippon ANS, Inc.) comprises of a water dispensing unit with an auto-sampler (6 ports), an auto-burette (Metrohm) and a pH meter (Thermo Orion).
    2. Type of Titration:
    3. Description of Other Titration:
    4. Cell Type: Closed
    5. CRM cale: Dickson
    6. Sample Volume: 130 mL
    7. Magnitude of Blank Correction:
    8. Accuracy Info: CRM, batches 69 and 72, certified value = 2114.42 and 2312.79 umol kg-1, respectively. The average and standard deviation of absolute values of differences in AT analyzed consecutively were 2.1 and 1.9 umol kg-1 (n = 123), 1.9 and 1.5 umol kg-1 (n = 203) and 2.2 and 1.9 umol kg-1 (n = 20) for Leg.1, 2 and 3,respectively.
    9. Method References:
    10. Citations:
  • pCO2 Data:
    1. Analysis:
      1. pCO2 Analysis Method:
      2. Sample Volume:
      3. Headspace_Volume:
      4. Measurement_Temperature:
      5. Temperature Normalization:
      6. Temperature Correction Method:
      7. Variable Reported:
      8. Gas:
      9. Standard Gas Concentrations:
      10. Frequency of Standardization:
    2. Field Replicate Info:
    3. Storage Method:
    4. Accuracy Info:
    5. Method References:
  • pH Data:
    1. pH Scale: Total pH scale
    2. pH Analysis Method: Measurement of pH was made by a pH measuring system (Nippon ANS, Inc.), which adopts a method of the spectrophotometric determination. The measuring system comprises of a water dispensing unit with an auto-sampler and a spectrophotometer (Carry 50 Scan, Varian).
    3. Calibration Info:
      1. Calibration Description: na
      2. In Situ Temperature: na
      3. Temperature of Analysis: 25
      4. Temperature Normalization: na
      5. In Situ Pressure: na
    4. Accuracy Info: The average and standard deviation of absolute values of differences of pH analyzed consecutively were0.0007 and 0.0012 pH unit (n = 163), 0.0007 and 0.0006 pH unit (n = 255), and 0.0009 and 0.0009 (n = 36) forLeg.1, 2 and 3, respectively.
    5. Method References: Clayton, T.D. and R.H. Byrne (1993): Spectrophotometric seawater pH easurements: total hydrogen ion concentration scale calibration of m-cresol purple and at-sea results. Deep-Sea Research 40, 2115-2129.DOE (1994): Handbook of methods for the analysis of the various parameters of the carbon dioxide system in sea water, version 2, A. G. Dickson & C. Goyet, eds.
Method References:
Data Set References: Fukasawa, M., S. Watanabe, and A. Murata. 2007. WHP P03 REVISIT JAMSTEC Publication.
Citation: Fukasawa, M., S. Watanabe, and A. Murata. 2007. WHP P03 REVISIT JAMSTEC Publication.
Measurement Type: discrete measurement discrete data discrete measurements bottle measurement bottle data bottle measurements
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