{"NOAAStudyId":"16136","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":"2014-03-05","dataPublisher":"NOAA","dataType":"PALEOLIMNOLOGY","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/lake","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-lake-16136.xml","doi":null,"earliestYearBP":891,"earliestYearCE":1059,"entryId":"noaa-lake-16136","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":"SBD-HSD 0611320, IGERT fellowship DGE0221594"}],"investigators":"Conroy, J.L.; Overpeck, J.T.; Cole, J.E.; Liu, K.-B.; Wang, L.; Ducea, M.N.","mostRecentYearBP":-57,"mostRecentYearCE":2007,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/16136","originalSource":null,"publication":[{"abstract":"Dust over the Himalayas and southern Tibetan Plateau may influence high-elevation temperature and hydrology across Asia, but little is known about long-term dust variability and its relationship with regional climate over the last millennium. Here we have reconstructed a proxy record of past dust and temperature impacts on glacial streamflow and sediment deposition in Kiang Co, a small lake on the southwestern Tibetan Plateau. Terrigenous elemental variability in the Kiang Co sediment record, a proxy for glaciofluvial sediment deposition in the lake, covaries with the Dasuopu ice core dust record from the central Himalayas on centennial timescales. The relationship between the Kiang Co sediment record and Dasuopu indicates coherent dust forcing across the central Himalayas over much of the last millennium, and suggests that regional dustiness influences glacial streamflow and sediment transport on centennial timescales. In addition, the Kiang Co terrigenous elemental abundance record is positively correlated with May-September temperatures from the Tibetan Plateau to central India from 1870 to 2007 AD, highlighting the important influence of temperature on melting and streamflow in this region, as well as a relationship between dust and temperature on centennial timescales. These findings strengthen the likelihood of future dustiness with continued warming, along with further increases in melting and high-elevation streamflow in coming decades.\r\n","author":{"name":"Jessica L. Conroy, Jonathan T. Overpeck, Julia E. Cole, Kam-Biu Liu, Luo Wang, Mihai N. Ducea"},"citation":"Jessica L. Conroy, Jonathan T. Overpeck, Julia E. Cole, Kam-Biu Liu, Luo Wang, Mihai N. Ducea. 2013. Dust and temperature influences on glaciofluvial sediment deposition in southwestern Tibet during the last millennium. Global and Planetary Change, 107, 132-144. doi: 10.1016/j.gloplacha.2013.04.009","edition":null,"identifier":{"id":"10.1016/j.gloplacha.2013.04.009","type":"doi","url":"http://dx.doi.org/10.1016/j.gloplacha.2013.04.009"},"issue":null,"journal":"Global and Planetary Change","pages":"132-144","pubRank":"1","pubYear":2013,"reportNumber":null,"title":"Dust and temperature influences on glaciofluvial sediment deposition in southwestern Tibet during the last millennium","type":"publication","volume":"107"}],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"55817","geo":{"geoType":"Feature","geometry":{"coordinates":["30.55","81.74"],"type":"POINT"},"properties":{"easternmostLongitude":"81.74","maxElevationMeters":"4800","minElevationMeters":"4800","northernmostLatitude":"30.55","southernmostLatitude":"30.55","westernmostLongitude":"81.74"}},"locationName":"Continent>Asia>Eastern Asia>China","mappable":"Y","paleoData":[{"NOAADataTableId":"26100","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleolimnology>geochemistry"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/asia/china/kiangco2013xrf.txt","linkText":"Kiang Co XRF Elemental Abundances","urlDescription":"Data File","variables":[{"cvAdditionalInfo":"first PC of elemental abundance with influence of Ca removed","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"statistical variable>multivariate eigenvector-based variable>principal component"},{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"energy-dispersive x-ray fluorescence 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microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 158.489319 to 181.970086 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 181.970086 to 208.929613 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 208.929613 to 239.883292 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 239.883292 to 275.42287 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 275.42287 to 316.227766 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 316.227766 to 363.078055 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 363.078055 to 416.869383 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 416.869383 to 478.630092 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 478.630092 to 549.540874 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 549.540874 to 630.957344 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 630.957344 to 724.43596 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 724.43596 to 831.763771 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 831.763771 to 954.992586 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 954.992586 to 1096.478196 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 1096.478196 to 1258.925412 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 1258.925412 to 1445.439771 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 1445.439771 to 1659.586907 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 1659.586907 to 1905.460718 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"grain size 1905.460718 to 2187.761624 microns","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"laser particle size analysis","cvSeasonality":null,"cvShortName":null,"cvUnit":"volume percent","cvWhat":"physical property>diameter>grain size>grain size class"},{"cvAdditionalInfo":"first PC of grain size","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"statistical variable>multivariate eigenvector-based variable>principal component"},{"cvAdditionalInfo":"second PC of grain size","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"statistical variable>multivariate eigenvector-based variable>principal component"},{"cvAdditionalInfo":"third PC of grain size","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"statistical variable>multivariate eigenvector-based variable>principal component"}]}],"dataTableName":"KiangCo2013particle","dataTableNotes":null,"earliestYear":1059,"earliestYearBP":891,"earliestYearCE":1059,"mostRecentYear":2007,"mostRecentYearBP":-57,"mostRecentYearCE":2007,"species":[],"timeUnit":"AD"}],"siteName":"Kiang Co"}],"studyCode":null,"studyName":"Kiang Co, Tibetan Plateau, China 950 Year Particle Size and XRF Data","studyNotes":"Proxy record of dust on the Tibetan Plateau for the past ~1000 years. Data are high resolution \nlake sediment measurements from Kiang Co, including particle size classes and elemental abundances measured \nby scanning X-ray fluorescence (XRF).  XRF element data include Al, Si, Cl, K, Ca, Ti, Mn, Fe, Zn, Rb, and Sr. \nThe particle size record consists of 65 individual time series of volume percent abundance for particle sizes \nranging from 0.27-0.31 um to 1905-2000 um.","version":"1.0","xmlId":"13882"}