{"NOAAStudyId":"2496","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":"2008-04-06","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-2496.xml","doi":null,"earliestYearBP":32400,"earliestYearCE":-30450,"entryId":"noaa-icecore-2496","funding":[],"investigators":"Rasmussen, S.O.; Seierstad, I.K.; Andersen, K.K.; Bigler, M.; Dahl-Jensen, D.; Johnsen, S.J.","mostRecentYearBP":11570,"mostRecentYearCE":-9620,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/2496","originalSource":null,"publication":[{"abstract":null,"author":null,"citation":"S.O. Rasmussen, I.K. Seierstad, K.K. Andersen, M. Bigler, D. Dahl-Jensen, and S.J. Johnsen. 2007. Synchronization of the NGRIP, GRIP, and GISP2 ice cores across MIS 2 and palaeoclimatic implications.    Accepted, Quat. Sci. Rev., INTIMATE special issue, 2007","edition":null,"identifier":null,"issue":null,"journal":"Quaternary Science Reviews","pages":null,"pubRank":"1","pubYear":2007,"reportNumber":null,"title":"Synchronization of the NGRIP, GRIP, and GISP2 ice cores across MIS 2 and palaeoclimatic implications","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"20005","geo":{"geoType":"Feature","geometry":{"coordinates":["75.1","-42.33"],"type":"POINT"},"properties":{"easternmostLongitude":"-42.33","maxElevationMeters":"2917","minElevationMeters":"2917","northernmostLatitude":"75.1","southernmostLatitude":"75.1","westernmostLongitude":"-42.33"}},"locationName":"Continent>North America>Greenland","mappable":"Y","paleoData":[{"NOAADataTableId":"38138","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>oxygen isotopes","earth science>paleoclimate>ice core>chemistry","earth science>paleoclimate>ice core>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/ngrip/gicc05-calcium-20yr.txt","linkText":"gicc05-calcium-20yr.txt","urlDescription":"Data","variables":[{"cvAdditionalInfo":"present is 2000 AD","cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar year before present","cvWhat":"age variable>age>ice age"},{"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"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"resampled","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VSMOW","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"resampled","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":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year","cvWhat":"age variable>age>ice age"}]}],"dataTableName":"GICC05 20yr-d18O Rasmussen2008","dataTableNotes":"Calcium concentration and d18O isotope ratios from the Greenland NGRIP, \r\nGRIP, and GISP2 ice cores on the GICC05 time scale. The period covered \r\nis 11.6-32.44 ka b2k (years before A.D. 2000).\r\n\r\nCalcium concentration and d18O isotope ratios from the Greenland NGRIP, \r\nGRIP, and GISP2 ice cores resampled to 20 year resolution and presented \r\non the GICC05 time scale. The period covered is 11.6-32.44 ka b2k \r\n(years before A.D. 2000).","earliestYear":32390,"earliestYearBP":32390,"earliestYearCE":-30440,"mostRecentYear":11570,"mostRecentYearBP":11570,"mostRecentYearCE":-9620,"species":[],"timeUnit":"cal yr BP"},{"NOAADataTableId":"38139","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>physical properties","earth science>paleoclimate>ice core>chemistry","earth science>paleoclimate>ice core>oxygen isotopes"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/ngrip/gicc05-calcium-50yr.txt","linkText":"gicc05-calcium-50yr.txt","urlDescription":"Data","variables":[{"cvAdditionalInfo":"present is 2000 AD","cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar year before present","cvWhat":"age variable>age>ice age"},{"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"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"resampled","cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil VSMOW","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":"resampled","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"}]}],"dataTableName":"GICC05 50yr Rasmussen2008","dataTableNotes":"Calcium concentration and d18O isotope ratios from the Greenland NGRIP, \r\nGRIP, and GISP2 ice cores resampled to 50 year resolution and presented \r\non the GICC05 time scale. The period covered is 11.6-32.45 ka b2k \r\n(years before A.D. 2000). The match points used for the transfer \r\nof the time scale to GRIP and GISP2 depths can be found in the file \r\nMatchpoints_NGRIP_GRIP_GISP2_27nov2006.","earliestYear":32400,"earliestYearBP":32400,"earliestYearCE":-30450,"mostRecentYear":11600,"mostRecentYearBP":11600,"mostRecentYearCE":-9650,"species":[],"timeUnit":"cal yr BP"},{"NOAADataTableId":"38140","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>oxygen isotopes","earth science>paleoclimate>ice core>physical properties","earth science>paleoclimate>ice core>chemistry"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/ngrip/gicc05-match-points.txt","linkText":"gicc05-match-points.txt","urlDescription":"Data","variables":[{"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"}]}],"dataTableName":"GICC05 Matchpoints Rasmussen2008","dataTableNotes":"Match points used for synchronization of NGRIP, GRIP, and GISP2.\r\n\r\nThe file contains the match points used for the transfer of the \r\nGICC05 time scale from NGRIP to GRIP and GISP2.\r\nThe three cores have been matched using mainly volcanic markers.\r\nThe uncertainty of the match point depths is discussed in S.O. Rasmussen, I.K. Seierstad, K.K. Andersen, M. Bigler, D. Dahl-Jensen, and S.J. Johnsen. 2008. Synchronization of the NGRIP, GRIP, and GISP2 ice cores across MIS 2 and palaeoclimatic implications. Quaternary Science Reviews, 27, 18-28.","earliestYear":32400,"earliestYearBP":32400,"earliestYearCE":-30450,"mostRecentYear":11600,"mostRecentYearBP":11600,"mostRecentYearCE":-9650,"species":[],"timeUnit":"cal yr BP"}],"siteName":"North GRIP"}],"studyCode":null,"studyName":"North GRIP - Calcium and Oxygen Isotope Data and Synchronization Match Points","studyNotes":"Calcium concentration and d18O isotope ratios from the Greenland NGRIP, GRIP, and GISP2 ice cores","version":"1.0","xmlId":"1257"}