{"NOAAStudyId":"11929","contactInfo":{"address":"325 Broadway, E/NE31","city":"Boulder","constraints":"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.","country":"USA","dataCenterUrl":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data","email":"paleo@noaa.gov","fax":"303-497-6513","longName":"National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce ","phone":"303-497-6280","postalCode":"80305-3328","shortName":"DOC/NOAA/NESDIS/NCEI","state":"CO","type":"CONTACT INFORMATION"},"contributionDate":"2011-08-23","dataPublisher":"NOAA","dataType":"ICE CORES","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/ice-core","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-icecore-11929.xml","doi":null,"earliestYearBP":7000,"earliestYearCE":-5050,"entryId":"noaa-icecore-11929","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":"0117113"}],"investigators":"Thompson, L.G.; Yao, T.; Davis, M.E.; Mosley-Thompson, E.; Mashiotta, T.A.; Lin, P-N.; Mikhalenko, V.N.; Zagorodnov, V.S.","mostRecentYearBP":0,"mostRecentYearCE":1950,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/11929","originalSource":null,"publication":[{"abstract":"Two ice cores (118.4 and 214.7 m in length) were collected in 2000 \r\nfrom the Puruogangri ice cap in the center of the Tibetan Plateau (TP) \r\nin a joint US-Chinese collaborative project. These cores yield \r\npaleoclimatic and environmental records extending through the Middle \r\nHolocene, and complement previous ice-core histories from the Dunde \r\nand Guliya ice caps in northeast and northwest Tibet, respectively, \r\nand Dasuopu glacier in the Himalaya. The high-resolution Puruogangri \r\nclimate record since AD 1600 details regional temperature and moisture \r\nvariability. The post-1920 period is characterized by above-average \r\nannual net balance, contemporaneous with the greatest 18O enrichment \r\nof the last 400 years, consistent with the isotopically inferred \r\nwarming observed in other TP ice-core records. On longer timescales \r\nthe aerosol history reveals large and abrupt events, one of which \r\nis dated ~4.7 kyr BP and occurs close to the time of a drought that \r\nextended throughout the tropics and may have been associated with \r\ncenturies-long weakening of the Asian/Indian/African monsoon system. \r\nThe Puruogangri climate history, combined with the other TP ice-core \r\nrecords, has the potential to provide valuable information on \r\nvariations in the strength of the monsoon across the TP during \r\nthe Holocene. \r\n","author":null,"citation":"Thompson, L.G., T. Yao, M.E. Davis, E. Mosley-Thompson, \r\nT.A. Mashiotta, P.-N. Lin, V.N. Mikhalenko, and V.S. Zagorodnov. 2006. \r\nHolocene climate variability archived in the Puruogangri ice cap \r\non the central Tibetan Plateau. \r\nAnnals of Glaciology, Vol. 43, No. 1, September 2006, pp. 61-69. \r\nDOI: 10.3189/172756406781812357 ","edition":null,"identifier":{"id":"10.3189/172756406781812357 ","type":"doi","url":"http://dx.doi.org/10.3189/172756406781812357 "},"issue":null,"journal":"Annals of Glaciology","pages":null,"pubRank":"1","pubYear":2006,"reportNumber":null,"title":"Holocene climate variability archived in the Puruogangri ice cap  on the central Tibetan Plateau","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["Monsoon"],"site":[{"NOAASiteId":"52345","geo":{"geoType":"Feature","geometry":{"coordinates":["33.9167","89.0833"],"type":"POINT"},"properties":{"easternmostLongitude":"89.0833","maxElevationMeters":"6070","minElevationMeters":"6070","northernmostLatitude":"33.9167","southernmostLatitude":"33.9167","westernmostLongitude":"89.0833"}},"locationName":"Continent>Asia>Eastern Asia>China","mappable":"Y","paleoData":[{"NOAADataTableId":"20249","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>chemistry","earth science>paleoclimate>ice core>oxygen isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/trop/puruogangri/puruogangri2006.txt","linkText":"puruogangri2006.txt","urlDescription":"Data","variables":[{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>inorganic compound>ammonium"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"meter","cvWhat":"depth variable>depth>depth at sample start"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":"isotope ratio mass spectrometry","cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil SMOW","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age>ice age at sample end"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age>ice age at sample start"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"unspecified unit","cvWhat":"geological material>bulk geological material>dust"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>element or single-element molecule>fluorine>fluoride"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>element or single-element molecule>chlorine>chloride"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>inorganic compound>sulfate"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>element or single-element molecule>sodium"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>inorganic compound>nitrate"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>element or single-element molecule>calcium"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>element or single-element molecule>potassium"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"averaged","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>element or single-element molecule>magnesium"},{"cvAdditionalInfo":"ice equivalent","cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"centimeter per year","cvWhat":"formation property>formation rate>accumulation rate"}]},{"NOAAKeywords":["earth science>paleoclimate>ice core>oxygen isotopes","earth science>paleoclimate>ice core>chemistry"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/trop/puruogangri/puruogangri2006.xls","linkText":"puruogangri2006.xls","urlDescription":"Data","variables":[]}],"dataTableName":"Puruogangri Core 1","dataTableNotes":null,"earliestYear":7000,"earliestYearBP":7000,"earliestYearCE":-5050,"mostRecentYear":0,"mostRecentYearBP":0,"mostRecentYearCE":1950,"species":[],"timeUnit":"cal yr BP"}],"siteName":"Puruogangri Ice Cap"}],"studyCode":null,"studyName":"Puruogangri Ice Cap 7000 Year Isotope and Geochemical Data","studyNotes":"Puruogangri ice core oxygen isotopes, dust, ice accumulation, \nmajor anions (chloride, nitrate, sulfate) and cations (sodium, \nammonium, potassium, magnesium, and calcium), presented as \nmeter, decadal, or centennial averages from 7.0 to 0 ky BP.  \n\nPuruogangri Ice Cap, Tanggula Mountains, Tibetan Plateau:  \n33°55'N, 89°05'E, 6070 meters above sea level \n","version":"1.0","xmlId":"10032"}