NOAA/WDS Paleoclimatology - Guoqu Glacier Ice Core, Tibet 70 Year Major Ions Data
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fileIdentifier: noaa-icecore-11818
language: eng; USA
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organisationName: NOAA World Data Service for Paleoclimatology
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dateStamp: 2024-04-16
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title: NOAA/WDS Paleoclimatology - Guoqu Glacier Ice Core, Tibet 70 Year Major Ions Data
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date: 2011-07-12
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Anchor: DOI doi:10.25921/5hvp-f447
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code: noaa-icecore-11818
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code: NCEI DSI 1200_02
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individualName: Grigholm, B.
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individualName: Kang, S.
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individualName: Kang, S.
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individualName: Zhang, Y.
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individualName: Zhang, Y.
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individualName: Kaspari, S.
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individualName: Zhang, Q.
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organisationName: NOAA National Centers for Environmental Information
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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 Ice Core. The data include parameters of ice cores with a geographic location of Asia. The time period coverage is from 15 to -54 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, atmospheric trace gases, and other aspects of climate and environment derived from ice cores drilled on glaciers and ice caps around the world. 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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electronicMailAddress: paleo@noaa.gov
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fileDescription: Paleoclimatology - Ice Core
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descriptiveKeywords: (MD_Keywords)
keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Ice Core Records
keyword: Earth Science > Paleoclimate > Ice Core Records
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title: Global Change Master Directory (GCMD) Science Keywords
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date: 2020-01-09
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edition: 9.1
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organisationName: NASA Goddard Space Flight Center, Earth Science Data and Information System
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keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
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keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice cores
keyword: earth science > paleoclimate > ice core > chemistry
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keyword: What: sodium; Material: bulk ice
keyword: What: potassium; Material: bulk ice
keyword: What: magnesium; Material: bulk ice
keyword: What: sulfate; Material: bulk ice
keyword: What: chloride; Material: bulk ice
keyword: What: nitrate; Material: bulk ice
keyword: What: depth; Material: null
keyword: What: ice age; Material: null
keyword: What: calcium; Material: bulk ice
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title: Paleoenvironmental Standard Terms (PaST) Thesaurus
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keyword: Continent > Asia > Guoqu Glacier > LATITUDE 33.5772 > LONGITUDE 91.1765
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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otherConstraints: Cite as: Grigholm, B.; Mayewski, P.A.; Kang, S.; Zhang, Y.; Kaspari, S.; Sneed, S.; Zhang, Q. (2011-07-12): NOAA/WDS Paleoclimatology - Guoqu Glacier Ice Core, Tibet 70 Year Major Ions Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/5hvp-f447. Accessed [date].
resourceConstraints: Distribution Liability (MD_LegalConstraints)
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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: None
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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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aggregateDataSetName: (CI_Citation)
title: Atmospheric soluble dust records from a Tibetan ice core: Possible climate proxies and teleconnection with the Pacific Decadal Oscillation
date: (CI_Date)
date: 2009
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individualName: Grigholm, B., P.A. Mayewski, S. Kang, Y. Zhang, S. Kaspari, S.B. Sneed, and Q. Zhang
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description: Grigholm, B., P.A. Mayewski, S. Kang, Y. Zhang, S. Kaspari, S.B. Sneed, and Q. Zhang, 2009: Atmospheric soluble dust records from a Tibetan ice core: Possible climate proxies and teleconnection with the Pacific Decadal Oscillation. Journal of Geophysical Research: Atmospheres, 114, , 10.1029/2008JD011242
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extent: (EX_Extent)
description: Date Range: 1935 CE to 2004 CE; Date Range: 15 cal yr BP to -54 cal yr BP;
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westBoundLongitude: 91.1765
eastBoundLongitude: 91.1765
southBoundLatitude: 33.5772
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beginPosition: 1935
endPosition: 2004
supplementalInformation: STUDY NOTES: High resolution (Annual Median Concentrations) Na+, K+, Mg2+, Ca2+, Cl-,NO3-, SO42- from the 2005 Guoqu Glacier ice core from northern side of Mt. Geladaindong, central Tibetan Plateau. ABSTRACT SUPPLIED BY ORIGINATOR: In autumn 2005, a joint expedition between the University of Maine and the Institute of Tibetan Plateau Research recovered three ice cores from Guoqu Glacier (33°34'37.8"N, 91°10'35.3"E, 5720 m above sea level) on the northern side of Mt. Geladaindong, central Tibetan Plateau. Isotopes (d18O), major soluble ions (Na+, K+, Mg2+, Ca2+, Cl-, NO3-,SO4 2-), and radionuclide (b-activity) measurements from one of the cores revealed a 70-year record (1935–2005). Statistical analysis of major ion time series suggests that atmospheric soluble dust species dominate the chemical signature and that background dust levels conceal marine ion species deposition. The soluble dust time series have interspecies relations and common structure (empirical orthogonal function (EOF) 1), suggesting a similar soluble dust source or transport route. Annual and seasonal correlations between the EOF 1 time series and National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis climate variables (1948–2004) suggest that the Mt. Geladaindong ice core record provides a proxy for local and regional surface pressure. An approximately threefold decrease of soluble dust concentrations in the middle to late 1970s, accompanied by regional increases in pressure and temperature and decreases in wind velocity, coincides with the major 1976-1977 shift of the Pacific Decadal Oscillation (PDO) from a negative to a positive state. This is the first ice core evidence of a potential teleconnection between central Asian atmospheric soluble dust loading and the PDO. Analysis of temporally longer ice cores from Mt. Geladaindong may enhance understanding of the relationship between the PDO and central Asian atmospheric circulation and subsequent atmospheric soluble dust loading.
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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
