Amedee Lighthouse, New Caledonia Stable Isotope (delta 18O, delta 13C) Data for 1657 to 1992

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Frequently anticipated questions:


What does this data set describe?

Title:
Amedee Lighthouse, New Caledonia Stable Isotope (delta 18O, delta 13C) Data for 1657 to 1992
Abstract:
Bathymetry: coral collected live in ~3m of water in September of 1992. Coral species: Porites lutea. Variable names: The Excel File contains 4 worksheets labelled Raw Data, 92-52 mo., 1951-1657 qtr., and Published 1992-1657 Qtr. The last worksheet contains age, delta18O and delta 13C used in Quinn et al. (1998). These data have been interpolated at 4 samples/year using AnalySeries (Paillard et al., 1996). Path refers to sampling pathway; values range from 1 to 30. Sample id refers to numbering scheme used in sampling. Cells with more than 1 value reflect offset and overlapping sequences. Stable isotope data for these cells are averages of overlapped samples. Sample # refers to sequential numbering of all data from top to bottom. Overlapped samples counted as one sample. Raw delta 18O, delta 13C isotopic values as they were determined on the mass spectrometer. Year: calendar year assignments based on integrated use of density-bands and observed SST measurements. Post-AS delta 18O, delta 13C refers to data that have been interpolated at equal age increments using the software program AnalySeries (Paillard et al., 1996). Conversion from depth to age was accomplished using the age model feature of AnalySeries. Variable unit: per mil relative to VPDB. Data precision: Precision (ó2) was monitored by daily analyses of a powdered calcite standard (NBS-20) and was better than 0.08 per mil for both oxygen and carbon. The average standard deviation of forty-six replicate analyses of coral samples is 0.10 per mil for oxygen and 0.07 per mil carbon. Data format: Values are reported in standard notation relative to VPDB after correction for the 17O contribution. Sampling information: We sampled the coral at two levels of sampling density. The upper 40 years of the coral was sampled at 12 samples/density-band couplet (dbc). The remainder of the coral was sampled at 4 samples/dbc.
  1. How should this data set be cited?

    Quinn, T. M. , Crowley, T.J., Taylor, F.W., Henin, C., Joannot, P., and Join, Y., 199901, Amedee Lighthouse, New Caledonia Stable Isotope (delta 18O, delta 13C) Data for 1657 to 1992: World Data Center for Paleoclimatology Data Contribution Series 1999-003, World Data Center for Paleoclimatology, Boulder, Boulder.

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: 166.45
    East_Bounding_Coordinate: 166.45
    North_Bounding_Coordinate: -22.48
    South_Bounding_Coordinate: -22.48

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date:
    Ending_Date: 1992
    Currentness_Reference: Publication Date

  5. What is the general form of this data set?

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

    2. What coordinate system is used to represent geographic features?

  7. How does the data set describe geographic features?

    coral variable
    coral variable (Source: coral variable)

    del13C
    delta 13C (per mil) (Source: Craig, H., 1957. Isotopic standards for mass spectrometric analysis of carbon dioxide. Geochimica Cosmochimica Acta, 12:113-140; Fairbanks, R.G., and R.E. Dodge, Annual periodicity of the O-18/O-16 and C-13/C-12 ratios in the coral Montastrea annularis, Geochimica et Cosmochimica Acta, 43, 1979.)

    Range of values
    Minimum:unknown
    Maximum:unknown
    Units:per mil
    Resolution:0.01

    del18O
    delta 18O (per mil) relative to PDB (Source: Craig, H., 1957. Isotopic standards for mass spectrometric analysis of carbon dioxide. Geochimica Cosmochimica Acta, 12:113-140)

    Range of values
    Minimum:unknown
    Maximum:unknown
    Units:per mil
    Resolution:0.01


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Quinn, T.M., T.J. Crowley, F.W. Taylor, C. Henin, P. Joannot, and Y. Join, 1998, A multicentury stable isotope record from a New Caledonia coral: Interannual and decadal SST variability in the southwest Pacific since 1657; Paleoceanography, 13, 4, 412-426.

  3. To whom should users address questions about the data?


Why was the data set created?

Paleoclimatic Research


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

  3. What similar or related data should the user be aware of?


How reliable are the data; what problems remain in the data set?


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None
Use_Constraints: Please cite original reference when using this data.

  1. Who distributes the data set? (Distributor 1 of 1)

    NOAA Paleoclimatology Program
    Data Manager
    325 Broadway, Code E/CC23
    Boulder, Colorado 80305-3328
    U.S.A.

    (303) 497-6280 (voice)
    (303) 497-6513 (FAX)
    paleo@noaa.gov

    Hours_of_Service: 9-5 MST Monday-Friday
  2. What's the catalog number I need to order this data set?

    Other Documents

  3. What legal disclaimers am I supposed to read?

    Disclaimer- While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 31-Mar-2011
Last Reviewed: 31-Mar-2011
Metadata author:
NOAA Paleoclimatology Program
Data Manager
325 Broadway, Code E/CC23
Boulder, Colorado 80305-3328
U.S.A.

(303) 497-6280 (voice)
(303) 497-6513 (FAX)
paleo@noaa.gov

Hours_of_Service: 9-5 MST Monday-Friday
Metadata standard:
FGDC Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)


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