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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":"2011-04-20","dataPublisher":"NOAA","dataType":"PALEOCEANOGRAPHY","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/paleoceanography","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-ocean-10868.xml","doi":null,"earliestYearBP":25702000,"earliestYearCE":-25700050,"entryId":"noaa-ocean-10868","funding":[],"investigators":"Diester-Haass, L.; Billups, K.; Emeis, K.C.","mostRecentYearBP":19680000,"mostRecentYearCE":-19678050,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/10868","originalSource":null,"publication":[{"abstract":"The Oligocene to Miocene boundary (23 Ma) marks one of the major \nCenozoic cooling steps. A corresponding but slightly lagging d13C \nmaximum in benthic foraminifer calcite of globally distributed \nsediment cores has been attributed to increased organic matter \nburial, either on land or in the oceans. To test this idea we \nreconstruct the organic carbon flux to the sea floor at three \nAtlantic Ocean Drilling Program (ODP) Sites using benthic \nforaminiferal accumulation rates (BFAR) and compare them with \nthe stable isotope records. Our data show that the d18O and d13C \nmaximum that characterizes the Oligocene/Miocene boundary is \naccompanied by a pronounced maximum in BFAR derived \npaleoproductivity at two of the sites. At tropical Atlantic \nSite 926 the paleoproductivity increase at the Oligocene/Miocene \nboundary is smaller than at the higher latitude sites, but high \nresolution sampling of a 2 million year interval (22-24 Ma) \nreveals that on eccentricity time scales productivity and stable \nisotope records are significantly correlated. The productivity \nrecords are in phase with the d18O and d13C records at the \nshort-term (~125 ky) component of eccentricity. At the long-term \neccentricity period (~400 ky) productivity is in phase with d18O \nbut leads the d13C record by an amount that is consistent with \npublished phase lags between the d18O and d13C records. \nThese results imply that there was enhanced flux of organic \nmatter to the ocean floor during the O/M climate transition \nand support that marine primary productivity may have played \na role in the carbon cycle and atmospheric CO2 draw-down \nat this time. \n","author":null,"citation":"Diester-Haass, L., K. Billups, and K. Emeis. 2011. \nEnhanced paleoproductivity across the Oligocene/Miocene boundary \nas evidenced by benthic foraminiferal accumulation rates. \nPalaeogeography, Palaeoclimatology, Palaeoecology, \nVol. 302, Issues 3-4, 15 March 2011, pp. 464-473. \ndoi:10.1016/j.palaeo.2011.02.006 \n","edition":null,"identifier":{"id":"10.1016/j.palaeo.2011.02.006 ","type":"doi","url":"http://dx.doi.org/10.1016/j.palaeo.2011.02.006 "},"issue":null,"journal":"Palaeogeography, Palaeoclimatology, Palaeoecology","pages":null,"pubRank":"1","pubYear":2011,"reportNumber":null,"title":"Enhanced paleoproductivity across the Oligocene/Miocene boundary  as evidenced by benthic foraminiferal accumulation 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material>organism>foraminifer>benthic foraminifer>calcareous benthic foraminifer>Cibicidoides sp.>Cibicidoides mundula","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil","cvWhat":"chemical composition>isotope>isotope ratio>delta 13C"},{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"biological material>organism>foraminifer>benthic foraminifer>calcareous benthic foraminifer>Cibicidoides sp.>Cibicidoides mundula","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"per mil","cvWhat":"chemical composition>isotope>isotope ratio>delta 18O"}]},{"NOAAKeywords":["earth science>paleoclimate>paleocean>geochemistry"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/diester-haass2011/diester-haass2011.xls","linkText":"diester-haass2011.xls","urlDescription":"Original Data and Full Metadata","variables":[]}],"dataTableName":"ODP1265","dataTableNotes":null,"earliestYear":25702000,"earliestYearBP":25702000,"earliestYearCE":-25700050,"mostRecentYear":19771000,"mostRecentYearBP":19771000,"mostRecentYearCE":-19769050,"species":[],"timeUnit":"cal yr BP"}],"siteName":"ODP 1265"}],"studyCode":null,"studyName":"Atlantic Oligocene/Miocene Boundary Paleoproductivity Data ","studyNotes":"Atlantic Ocean paleoproductivity data from 3 cores for a 5 million \nyear interval (20-25Ma) across the Oligocene-Miocene Boundary. \n\nData include accumulation rates, planktic/benthic foraminifer\nratios, carbonate and organic carbon content, benthic foraminiferal \nnumbers per unit of time, stable isotopes, and geochemistry, \ninterpreted in terms of orbital control of productivity variations. \n\n","version":"1.0","xmlId":"9412"}