NOAA/WDS Paleoclimatology - Espiritu Santo, Vanuatu 446 Year Stalagmite Oxygen Isotope Data
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title: NOAA/WDS Paleoclimatology - Espiritu Santo, Vanuatu 446 Year Stalagmite Oxygen Isotope Data
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date: 2013-09-06
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Anchor: DOI doi:10.25921/8rk5-h238
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abstract: This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Cave. The data include parameters of speleothems with a geographic location of Vanuatu, Melanesia. The time period coverage is from 393 to -53 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
purpose: Records of past temperature, precipitation, and other aspects of climate derived from mineral deposits found in caves. Parameter keywords describe what was measured in this dataset. Additional summary information can be found in the abstracts of papers listed in the dataset citations.
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keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Land Records > Cave Deposits
keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Speleothems
keyword: Earth Science > Paleoclimate > Land Records > Cave Deposits
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date: 2020-01-09
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keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > speleothems
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keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > speleothems > carbon isotopes
keyword: earth science > paleoclimate > speleothems > oxygen isotopes
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keyword: Pacific Decadal Oscillation
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keyword: What: age; Material: null
keyword: What: depth; Material: null
keyword: What: delta 18O; Material: calcium carbonate
keyword: What: age; Material: null
keyword: What: delta 13C; Material: calcium carbonate
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keyword: Ocean > Pacific Ocean > South Pacific Ocean > Melanesia > Vanuatu > Taurius Cave > LATITUDE -15.5333 > LONGITUDE 167.0167
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otherConstraints: Cite as: Partin, J.W.; Quinn, T.M.; Shen, C.-C.; Emile-Geay, J.; Taylor, F.W.; Maupin, C.R.; Lin, K.; Jackson, C.S.; Banner, J.L.; Sinclair, D.J.; Huh, C.-A. (2013-09-06): NOAA/WDS Paleoclimatology - Espiritu Santo, Vanuatu 446 Year Stalagmite Oxygen Isotope Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/8rk5-h238. Accessed [date].
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otherConstraints: Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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otherConstraints: Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
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otherConstraints: Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.
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title: Multidecadal rainfall variability in South Pacific Convergence Zone as revealed by stalagmite geochemistry
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date: 2013
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individualName: Partin, J.W., T.M. Quinn, C-C Shen, J. Emile-Geay, F.W. Taylor, C.R. Maupin, K. Lin, C.S. Jackson, J.L. Banner, D.J. Sinclair and C.-A. Huh
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linkage: https://doi.org/10.1130/G34718.1
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description: Partin, J.W., T.M. Quinn, C-C Shen, J. Emile-Geay, F.W. Taylor, C.R. Maupin, K. Lin, C.S. Jackson, J.L. Banner, D.J. Sinclair and C.-A. Huh, 2013: Multidecadal rainfall variability in South Pacific Convergence Zone as revealed by stalagmite geochemistry. Geology, 41, , 10.1130/G34718.1
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description: Date Range: 1557 CE to 2003 CE; Date Range: 393 cal yr BP to -53 cal yr BP;
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westBoundLongitude: 167.0167
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supplementalInformation: STUDY NOTES: Data include a table of U-Th ages and the d18O record from Taurius Cave on the island of Espiritu Santo (15º32’S, 167º01’E) in Vanuatu that spans ~450 years. The age model for the record is comprised of 31 U/Th Dates, and the top age is assumed to be circa 2005 (year of collection). The average temporal resolution for each d18O measurement is ~3 months/sample. The age model for the sample is based on a MATLAB program that fits piecewise quadratic splines to the U-Th dates. A Monte-Carlo approach is used to constructs alternative age models by allowing each U-Th date to vary according to a normal distribution with mean age (its best estimate) and standard deviation Sigma (its analytical uncertainty) over a 2sigma range. The spread in the alternate age models is a measure of the age uncertainty of each d18O measurement and is listed in the table with the d18O data for each measurement. The d18O data are reported with respect to PDB, and ages are reported as Year Common Era (Year C.E.). Depths without a d18O measurement are identified by NaN. ABSTRACT SUPPLIED BY ORIGINATOR: Pacific decadal variability (PDV) causes widespread, persistent fluctuations that affect climate, water resources, and fisheries throughout the Pacific basin, yet the magnitude, frequency, and causes of PDV remain poorly constrained. Here we present an absolutely dated, subannually resolved, 446 yr stable oxygen isotope (d18O) cave record of rainfall variability in Vanuatu (southern Pacific Ocean), a location that has a climate heavily influenced by the South Pacific Convergence Zone (SPCZ). The d18O-based proxy rainfall record is dominated by changes in stalagmite d18O that are large (~1 permil), quasi-periodic (~50 yr period), and generally abrupt (within 5-10 yr). These isotopic changes imply abrupt rainfall changes of as much as ~1.8 m per wet season, changes that can be ~2.5x larger than the 1976 C.E. shift in rainfall amount associated with a PDV phase switch. The Vanuatu record also shares little commonality with previously documented changes in the Intertropical Convergence Zone during the Little Ice Age or solar forcing. We conclude that multidecadal SPCZ variability is likely of an endogenous nature. Large, spontaneous, and low-frequency changes in SPCZ rainfall during the past 500 yr have important implications for the relative magnitude of natural PDV possible in the coming century.
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fees: In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
orderingInstructions: Contact NCEI for other distribution options and instructions.
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maintenanceNote: This ISO metadata record was translated from DIF metadata using dif-9x-to-iso-19115-2.xsl Version: 2022-06-21
