{"NOAAStudyId":"2485","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":"2004-07-01","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-2485.xml","doi":null,"earliestYearBP":61975,"earliestYearCE":-60025,"entryId":"noaa-icecore-2485","funding":[],"investigators":"Röthlisberger, R.; Bigler, M.; Wolff, E.W.; Joos, F.; Monnin, E.; Hutterli, M.A.","mostRecentYearBP":25,"mostRecentYearCE":1925,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/2485","originalSource":null,"publication":[{"abstract":null,"author":null,"citation":"Röthlisberger, R., M. Bigler, E.W. Wolff, F. Joos, E. Monnin, and M.A. Hutterli. 2004. Ice core evidence for the extent of past atmospheric CO2 change due to iron fertilisation.  Geophys. Res. Lett., 31, L16207.","edition":null,"identifier":null,"issue":null,"journal":"Geophysical Research Letters","pages":null,"pubRank":"1","pubYear":2004,"reportNumber":null,"title":"Ice core evidence for the extent of past atmospheric CO2 change due to iron fertilisation","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"19998","geo":{"geoType":"Feature","geometry":{"coordinates":["-75.1","123.4"],"type":"POINT"},"properties":{"easternmostLongitude":"123.4","maxElevationMeters":"3240","minElevationMeters":"3240","northernmostLatitude":"-75.1","southernmostLatitude":"-75.1","westernmostLongitude":"123.4"}},"locationName":"Continent>Antarctica","mappable":"Y","paleoData":[{"NOAADataTableId":"38163","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>chemistry"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/epica_domec/edc-ca-na.txt","linkText":"edc-ca-na.txt","urlDescription":"Data","variables":[{"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"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"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 2H"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"nanogram per square centimeter per year","cvWhat":"chemical composition>element or single-element molecule>calcium>non-sea-salt calcium"},{"cvAdditionalInfo":null,"cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"hydrologic material>bulk ice","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"nanogram per square centimeter per year","cvWhat":"chemical composition>element or single-element molecule>sodium"}]}],"dataTableName":"EPICA-DomeC nssCA,NA Rothlisberger2004","dataTableNotes":"Chemical records of Calcium and Sodium obtained by continuous flow analysis. High-resoution data have been averaged to 50-yr. Non-Sea Salt Ca (nss-Ca) is calculated as total Ca minus 0.038*Na. Data from 0 to 44850 yr BP are from EDC96 ice core, those from 43350 to 62000 yr BP from EDC99 ice core.\r\n Dating according to EPICA Dome C ice core timescales EDC1 and EDC2: ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/epica_domec/edc_timescale.txt","earliestYear":61975,"earliestYearBP":61975,"earliestYearCE":-60025,"mostRecentYear":25,"mostRecentYearBP":25,"mostRecentYearCE":1925,"species":[],"timeUnit":"cal yr BP"}],"siteName":"EPICA Dome C"}],"studyCode":null,"studyName":"EPICA Dome C - nss-Ca and Na Data","studyNotes":null,"version":"1.0","xmlId":"1251"}