{"NOAAStudyId":"17855","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":"1997-11-30","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-17855.xml","doi":null,"earliestYearBP":248763,"earliestYearCE":-246813,"entryId":"noaa-icecore-17855","funding":[],"investigators":"Hammer, C.U.; Andersen, K.K.; Clausen, H.B.; Dahl-Jensen, D.; Hvidberg, C.S.; Iversen, P.","mostRecentYearBP":-39,"mostRecentYearCE":1989,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/17855","originalSource":null,"publication":[],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"19973","geo":{"geoType":"Feature","geometry":{"coordinates":["72.58","-37.63"],"type":"POINT"},"properties":{"easternmostLongitude":"-37.63","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"72.58","southernmostLatitude":"72.58","westernmostLongitude":"-37.63"}},"locationName":"Continent>North America>Greenland","mappable":"Y","paleoData":[{"NOAADataTableId":"28174","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>accumulation"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/grip/physical/gripacum.txt","linkText":"GRIP Accumulation Rates","urlDescription":"Data File","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>depth at sample start"},{"cvAdditionalInfo":null,"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 at sample start"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"gram per square centimeter per year","cvWhat":"formation property>formation rate>accumulation rate"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"meter","cvWhat":"physical property>length>layer thickness"}]}],"dataTableName":"GRIP1997accum","dataTableNotes":null,"earliestYear":248763,"earliestYearBP":248763,"earliestYearCE":-246813,"mostRecentYear":-39,"mostRecentYearBP":-39,"mostRecentYearCE":1989,"species":[],"timeUnit":"cal yr BP"}],"siteName":"GRIP"}],"studyCode":null,"studyName":"GRIP Ice Core 248KYr Accumulation Rate Data","studyNotes":"GRI accumulation rate, based on d18O, plus layer thickness.\n\nREFERENCES:\nHammer, C.U., K.K. Andersen, H.B. Clausen, D. Dahl-Jensen, C.S. Hvidberg,\nand P. Iversen. 1997. The stratigraphic dating of the GRIP ice core.\nSpecial Report of the Geophysical Department, Niels Bohr Institute for\nAstronomy, Physics and Geophysics, University of Copenhagen.\n\nJohnsen, S.J., D. Dahl-Jensen, W. Dansgaard, and N.S. Gundestrup. 1995.\nGreenland palaeotemperatures derived from GRIP bore hole temperaure and ice core isotope profiles. Tellus 47B:624-629.\n\nDahl-Jensen, D., S.J. Johnsen, C.U. Hammer, H.B. Clausen, and J. Jouzel.\n1993. Past accumulation rates derived from observed annual layers in the\nGRIP ice core from Summit, central Greenland. Pages 517-532 in W.R.\nPeltier, editor. Ice in the Climate System. Springer-Verlag, Berlin\nHeidelberg, Germany.","version":"1.0","xmlId":"15578"}