{"xmlId":"20594","NOAAStudyId":"22415","studyName":"Kiritimati Island Modern and Fossil Coral d18O and d13C Data","doi":"https://doi.org/10.25921/979k-br89","uuid":"e9dd4196-0f8e-4bb4-807b-6ae3d8dc0c28","dataPublisher":"NOAA","contactInfo":{"type":"CONTACT INFORMATION","shortName":"DOC/NOAA/NESDIS/NCEI","longName":"National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce ","address":"325 Broadway, E/NE31","city":"Boulder","state":"CO","postalCode":"80305-3328","country":"USA","dataCenterUrl":"https://www.ncei.noaa.gov/products/paleoclimatology","email":"paleo@noaa.gov","phone":"828-271-4800","fax":null,"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."},"dataType":"CORALS AND SCLEROSPONGES","investigators":"Grothe, P.R.; Cobb, K.M.; Liguori, G.; Di Lorenzo, E.; Capotondi, A.; Lu, Y.; Cheng, H.; Edwards, R.L.; Southon, J.R.; Santos, G.M.; Deocampo, D.M.; Lynch-Stieglitz, J.; Chen, T.; Sayani, H.R.; Thompson, D.M.; Conroy, J.L.; Moore, A.L.; Townsend, K.; Hagos, M.; O'Connor, G.; Toth, L.T.","investigatorDetails":[{"firstName":"Pamela","lastName":"Grothe","initials":"P.R.","orcId":"0000-0003-1855-4776"},{"firstName":"Kim","lastName":"Cobb","initials":"K.M.","orcId":"0000-0002-2125-9164"},{"firstName":"Giovanni","lastName":"Liguori","initials":"G.","orcId":null},{"firstName":"Emanuele","lastName":"Di Lorenzo","initials":"E.","orcId":"0000-0002-1935-7363"},{"firstName":"Antonietta","lastName":"Capotondi","initials":"A.","orcId":null},{"firstName":"Yanbin","lastName":"Lu","initials":"Y.","orcId":null},{"firstName":"Hai","lastName":"Cheng","initials":"H.","orcId":"0000-0002-5305-9458"},{"firstName":"R. Lawrence","lastName":"Edwards","initials":"R.L.","orcId":"0000-0002-7027-5881"},{"firstName":"John","lastName":"Southon","initials":"J.R.","orcId":"0000-0001-6168-6235"},{"firstName":"Guaciara","lastName":"Santos","initials":"G.M.","orcId":"0000-0003-1755-6390"},{"firstName":"Daniel","lastName":"Deocampo","initials":"D.M.","orcId":"0000-0003-3523-2592"},{"firstName":"Jean","lastName":"Lynch-Stieglitz","initials":"J.","orcId":"0000-0002-9353-1972"},{"firstName":"Tianran","lastName":"Chen","initials":"T.","orcId":"0000-0001-6828-0852"},{"firstName":"Hussein","lastName":"Sayani","initials":"H.R.","orcId":"0000-0002-0607-4882"},{"firstName":"Diane","lastName":"Thompson","initials":"D.M.","orcId":"0000-0002-6181-1259"},{"firstName":"Jessica","lastName":"Conroy","initials":"J.L.","orcId":"0000-0003-3652-3199"},{"firstName":"Andrea","lastName":"Moore","initials":"A.L.","orcId":"0000-0002-8683-1037"},{"firstName":"Kayla","lastName":"Townsend","initials":"K.","orcId":null},{"firstName":"Melat","lastName":"Hagos","initials":"M.","orcId":null},{"firstName":"Gemma","lastName":"O'Connor","initials":"G.","orcId":"0000-0002-4645-4038"},{"firstName":"Lauren","lastName":"Toth","initials":"L.T.","orcId":"0000-0002-2568-802X"}],"version":"1.0","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":"3506D33; 41888101; 1029020; 1349599"}],"studyNotes":"This dataset contains coral oxygen (d18O) and carbon (d13C) data from modern and fossil coral specimens collected on Kiritimati Island, Line Islands, central tropical Pacific. Proided are the raw data by depth and the associated running timeseries.","onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/22415","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-coral-22415.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-coral-22415.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/coral-sclerosponge","studyCode":null,"scienceKeywords":null,"reconstruction":"N","contributionDate":"2019-10-28","entryId":"noaa-coral-22415","earliestYearBP":6296,"mostRecentYearBP":-62,"earliestYearCE":-4346,"mostRecentYearCE":2012,"publication":[{"author":{"name":"Grothe, P.R.; Cobb, K.M.; Liguori, G.; Di Lorenzo, E.; Capotondi, A.; Lu, Y.; Cheng, H.; Edwards, R.L.; Southon, J.R.; Santos, G.M.; Deocampo, D.M.; Lynch-Stieglitz, J.; Chen, T.; Sayani, H.R.; Thompson, D.M.; Conroy, J.L.; Moore, A.L.; Townsend, K.; Hagos, M.; O'Connor, G.; Toth, L.T."},"pubYear":2020,"title":"Enhanced El Nino-Southern Oscillation variability in recent decades","journal":"Geophysical Research Letters","volume":"47","edition":null,"issue":"7","pages":null,"reportNumber":"e2019GL083906","citation":"Grothe, P.R.; Cobb, K.M.; Liguori, G.; Di Lorenzo, E.; Capotondi, A.; Lu, Y.; Cheng, H.; Edwards, R.L.; Southon, J.R.; Santos, G.M.; Deocampo, D.M.; Lynch-Stieglitz, J.; Chen, T.; Sayani, H.R.; Thompson, D.M.; Conroy, J.L.; Moore, A.L.; Townsend, K.; Hagos, M.; O'Connor, G.; Toth, L.T. 2020. Enhanced El Nino-Southern Oscillation variability in recent decades. Geophysical Research Letters, 47(7), e2019GL083906. doi: 10.1029/2019GL083906","type":"publication","identifier":{"type":"doi","id":"10.1029/2019GL083906","url":"http://dx.doi.org/10.1029/2019GL083906"},"abstract":"The El Niņo-Southern Oscillation (ENSO) represents the largest source of year-to-year global climate variability. While earth system models suggest a range of possible shifts in ENSO properties under continued greenhouse gas forcing, many centuries of preindustrial climate data are required to detect a potential shift in the properties of recent ENSO extremes. Here, we reconstruct the strength of ENSO variations over the last 7,000 years with a new ensemble of fossil coral oxygen isotope records from the Line Islands, located in the central equatorial Pacific. The corals document a significant decrease in ENSO variance of ~20% from 3,000 to 5,000 years ago, coinciding with changes in spring/fall precessional insolation. We find that ENSO variability over the last five decades is ~25% stronger than during the preindustrial. Our results provide empirical support for recent climate model projections showing an intensification of ENSO extremes under greenhouse forcing.","pubRank":"1"}],"site":[{"NOAASiteId":"58104","siteName":"Kiritimati Island, Multiple Sites","siteCode":null,"mappable":"Y","locationName":"Ocean>Pacific Ocean>Central Pacific Ocean>Kiribati","geo":{"geoType":"Feature","geometry":{"type":"POLYGON","coordinates":["1.683333","2.05","-157.55","-157.15"]},"properties":{"southernmostLatitude":"1.683333","northernmostLatitude":"2.05","westernmostLongitude":"-157.55","easternmostLongitude":"-157.15","minElevationMeters":"-5","maxElevationMeters":"-5"}},"paleoData":[{"dataTableName":"Kiritimati X12-D2-5 Grothe2019","NOAADataTableId":"40419","earliestYear":2491,"mostRecentYear":2491,"timeUnit":"cal yr BP","earliestYearBP":2491,"mostRecentYearBP":2491,"earliestYearCE":-541,"mostRecentYearCE":-541,"coreLengthMeters":null,"dataTableNotes":"18 year record; 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