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Search Criteria: dataset_idText : WOCE_P16N (CGC91) AND ( datasource :( oceanbt ) )


Dataset_ID: WOCE_P16N (CGC91)
Investigator(s) Name: Feely, Richard A.
Organization: NOAA/PMEL
Address: 7600 Sand Point Way NE,Seattle, WA 98115
Phone: 1(206) 526-6214
Email: feely@pmel.noaa.gov

Name: Bullister, John L.
Organization: NOAA/PMEL
Address: Bin C15700Pacific Marine Environmental LaboratoryNOAA Building 37600 Sand Point Way NESeattle, WA98115-0007
Phone: 206-526-6741
Email: John.L.Bullister@noaa.gov
Dataset Info:Dataset ID:WOCE_P16N (CGC91)
Submission Dates: Initial Submission: 20040614
Revised Submission: 20040614
Cruise Info:
  • Experiment:
    1. Experiment Name: WOCE
Cruise:
  • Cruise ID: 31DICGC91_2
  • Section: WOCE_P16N
  • Geographical Coverage:
    1. Geographical Region: Pacific Ocean
Bounds:
NorthWestSouthEast
58.81-160.6518.57-148.89


Temporal Coverage: Start Date: 19910307 End Date: 19910407
Vessel:Vessel Name:R/V Discoverer
Vessel ID:31DI
Country:U.S.A.
Vessel Owner:Department of Commerce, NOAA
Data Center URL: http://cdiac.esd.ornl.gov/
Download Data Sets: Discrete measurements from WOCE P16N

Variable Info: downup
Variable NameDescription of Variable
CTD PressureDBAR
CTD Temperature
CTD Salinity
Bottle Salinity
Bottle OxygenUMOL/KG
SilicateUMOL/KG
NitrateUMOL/KG
NitriteUMOL/KG
PhosphateUMOL/KG
CFC-11PMOL/KG
CFC-12PMOL/KG
delta C14/MILLE
delta C13/MILLE
TCO2UMOL/KG
TALKUMOL/KG
pH
Method Description:
  • Total C02 Data:
    1. TCO2 Analysis Method: The TCO2 concentration of seawater samples was determined by using the coulometric titration system (UIC Inc., Model 5011) described by Johnson et al. (1985, 1987). The standards used were Na2CO3 in a matrix of 0.7M KCl, and were analyzed daily.
    2. Standardization Technique:
      1. Technique Description:
      2. Sample Volume: 500 mL
      3. CRM Info:
        1. Correction Magnitude:
        2. Batch Number: 1
        3. CRM Analysis Info: Batch 1 CRM shipboard measurements yielded a mean value of 2017.0 +/- 2.5 umol/kg (n=25), which compares with 2020.2 +/- 0.8 umol/kg (n=12) certified by SIO.Data reported for this cruise have been corrected to the Batch 1 CRM value by adding the difference between the certified value and the mean shipboard CRM value (certified value - shipboard analyses).
    3. Field Replicate Info:
    4. Poisoning Info: Poisoned with 100uL of HgCl2 100uL
      1. Poisoning Correction Description: Poisoned with 100uL of HgCl2
      2. Poison Volume: 100uL
    5. Accuracy Info:
    6. Method References: Johnson, K.M., A.E. King, and J. McN. Sieburth (1985): Coulometric DIC analyses for marine studies: An introduction. Mar. Chem., 16, 61-82.Johnson, K.M., P.J. Williams, L. Brandstrom, and J. McN. Sieburth (1987): Coulometric total carbon analysis for marine studies: Automation and calibration. Mar. Chem., 21, 117-133.
    7. Citations:
  • Alkalinity:
    1. Curve Fitting Method:
    2. Type of Titration:
    3. Description of Other Titration:
    4. Cell Type:
    5. CRM cale:
    6. Sample Volume:
    7. Magnitude of Blank Correction:
    8. Accuracy Info:
    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: Sample cells (10-cm pathlength spectrophotometric cells, 30-cm3 volume) were filled directly from the NiskinTM-type bottle using a 20-cm length of silicone tubing. A flushing volume of approximately 300 mL was used. Care was taken to eliminate bubbles from the sampling system, and the sample cell was sealed with PTFE caps while ensuring that there was no head space. All spectrophotometric pH measurements were made using the indicator m-Cresol Purple. Spectrophotometric cells were warmed to 25CC within the water bath of a refrigerated thermocirculator. Subsequently cells were cleaned and placed in the thermostated sample compartment of the spectrophotometer. Absorbance measurements were made at three wavelengths: a non-absorbing wavelength (730 nm) and wavelengths corresponding to the absorbance maxima of the alkaline (I2-, 578 nm) and acidic (HI-, 434 nm) forms of the indicator.
    3. Calibration Info:
      1. Calibration Description: NA
      2. In Situ Temperature: NA
      3. Temperature of Analysis: 25C
      4. Temperature Normalization: NA
      5. In Situ Pressure: atm
    4. Accuracy Info:
    5. Method References: Clayton T. and Byrne, R. H., 1993. Spectrophotometric seawater pH measurements: total hydrogen ion concentration scale calibration of m-cresol purple and at-sea results., Deep Sea Res., 40, 2115-2129.
Method References:
Data Set References:
Citation: Feely, R., J. Bullister, and M. Roberts. 1991. Hydrographic, Chemical and Carbon Data Obtained During the R/V Discoverer cruise in the Pacific Ocean during WOCE Section P16N, CGC-91 (EXPOCODE 31DICGC91_2), (07 March - 07 April, 1991). http://cdiac.ornl.gov/oceans/woce_p16n.html. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, Tennessee.
Measurement Type: discrete measurement discrete data discrete measurements bottle measurement bottle data bottle measurements
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