{"NOAAStudyId":"2487","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":"2005-01-01","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-2487.xml","doi":null,"earliestYearBP":648679,"earliestYearCE":-646729,"entryId":"noaa-icecore-2487","funding":[],"investigators":"Spahni, R.; Chappellaz, J.A.; Stocker, T.F.; Loulergue, L.; Hausammann, G.; Kawamura, K.; Flückiger, J.; Schwander, J.; Raynaud, D.; Masson-Delmotte, V.; Jouzel, J.","mostRecentYearBP":0,"mostRecentYearCE":1950,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/2487","originalSource":null,"publication":[{"abstract":null,"author":null,"citation":"Spahni, R., J. Chappellaz, T.F. Stocker, L. Loulergue, G. Hausammann, K. Kawamura,  J. Flückiger, J. Schwander, D. Raynaud, V. Masson-Delmotte, and J. Jouzel.  2005.  Atmospheric methane and nitrous oxide of the late Pleistocene from Antarctic ice cores. Science 310, 1317-1321, 2005.","edition":null,"identifier":null,"issue":null,"journal":"Science","pages":null,"pubRank":"1","pubYear":2005,"reportNumber":null,"title":"Atmospheric methane and nitrous oxide of the late Pleistocene from Antarctic ice cores","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":"38160","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>atmospheric gas"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/epica_domec/edc-n2o-2005-650k.txt","linkText":"edc-n2o-2005-650k.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"},{"cvAdditionalInfo":"EDC1","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>gas age"},{"cvAdditionalInfo":"EDC2","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>gas age"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE FORCING|ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"atmospheric material>bulk atmosphere","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>inorganic compound>nitrous oxide"},{"cvAdditionalInfo":"artefacts","cvDataType":"CLIMATE FORCING|ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"atmospheric material>bulk atmosphere","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>inorganic compound>nitrous oxide"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE FORCING|ICE CORES","cvDetail":null,"cvError":"one standard deviation","cvFormat":"Numeric","cvMaterial":"atmospheric material>bulk atmosphere","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>inorganic compound>nitrous oxide"}]}],"dataTableName":"EPICA-DomeC N2O Spahni2005","dataTableNotes":"N2O record from the EPICA Dome C 1996 and 1999 (EDC96 and EDC99) ice cores (Antarctica) covering the last 650,000 years. New measurements along the EPICA Dome C (75-06°S, 123-21°E, 3233 m above sea level) ice cores were performed at 476 different depth levels for N2O concentration at the University of Bern. The mean N2O time resolution is 760 years for MISs 2 to 7 and 1110 years for MISs 12 to 16.","earliestYear":647130,"earliestYearBP":647130,"earliestYearCE":-645180,"mostRecentYear":0,"mostRecentYearBP":0,"mostRecentYearCE":1950,"species":[],"timeUnit":"cal yr BP"},{"NOAADataTableId":"38161","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>ice core>atmospheric gas"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/epica_domec/edc-ch4-2005-650k.txt","linkText":"edc-ch4-2005-650k.txt","urlDescription":"Data","variables":[{"cvAdditionalInfo":"EDC3","cvDataType":"ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"meter","cvWhat":"depth variable>depth"},{"cvAdditionalInfo":"EDC1","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>gas age"},{"cvAdditionalInfo":"EDC2","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>gas age"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE FORCING|ICE CORES","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"atmospheric material>bulk atmosphere","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>organic compound>hydrocarbon>alkane>n-alkane>methane"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE FORCING|ICE CORES","cvDetail":null,"cvError":"one standard deviation","cvFormat":"Numeric","cvMaterial":"atmospheric material>bulk atmosphere","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"parts per billion","cvWhat":"chemical composition>compound>organic compound>hydrocarbon>alkane>n-alkane>methane"}]}],"dataTableName":"EPICA-DomeC CH4 Spahni2005","dataTableNotes":"CH4 record from the EPICA Dome C 1996 and 1999 (EDC96 and EDC99) ice cores (Antarctica) covering the last 650,000 years. New measurements along the EPICA Dome C (75-06°S, 123-21°E, 3233 m above sea level) ice cores were performed at 553 different depth levels for CH4 concentration at the University of Bern and at the LGGE in Grenoble. The mean CH4 time resolution is 770 years for MISs 2 to 7 and 840 years for MISs 11 to 16.","earliestYear":648679,"earliestYearBP":648679,"earliestYearCE":-646729,"mostRecentYear":0,"mostRecentYearBP":0,"mostRecentYearCE":1950,"species":[],"timeUnit":"cal yr BP"}],"siteName":"EPICA Dome C"}],"studyCode":null,"studyName":"EPICA Dome C - Nitrous Oxide and Methane Data","studyNotes":null,"version":"1.0","xmlId":"1252"}