{"xmlId":"8724","NOAAStudyId":"9775","studyName":"Southeast Atlantic Holocene and Marine Isotope Stage 11 isotope, alkenone and SST data","doi":"https://doi.org/10.25921/p98s-qg14","uuid":"20effa24-d644-46c9-8642-f625a337949b","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":"PALEOCEANOGRAPHY","investigators":"Dickson, A.J.; Beer, C.J.; Dempsey, C.; Maslin, M.A.; Bendle, J.A.; McClymont, E.L.; Pancost, R.D.","investigatorDetails":[{"firstName":"Alexander","lastName":"Dickson","initials":"A.J.","orcId":"0000-0001-8928-4799"},{"firstName":"Christopher","lastName":"Beer","initials":"C.J.","orcId":null},{"firstName":"Ciara","lastName":"Dempsey","initials":"C.","orcId":null},{"firstName":"Mark","lastName":"Maslin","initials":"M.A.","orcId":"0000-0001-9957-3463"},{"firstName":"James","lastName":"Bendle","initials":"J.A.","orcId":"0000-0002-6826-8658"},{"firstName":"Erin","lastName":"McClymont","initials":"E.L.","orcId":"0000-0003-1562-8768"},{"firstName":"Richard","lastName":"Pancost","initials":"R.D.","orcId":"0000-0003-0298-4026"}],"version":"1.0","funding":[{"fundingAgency":"UK Natural Environment Research Council (NERC)","fundingGrant":"PhD Studentship (NER/S/A/2005/13226); LSMSF Grant (lsmsfbris008)"},{"fundingAgency":"UK Natural Environment Research Council (NERC) Isotope Geoscience Facility","fundingGrant":"IP/894/0506"},{"fundingAgency":"UK Natural Environmental Research Council (NERC) Radiocarbon Facility","fundingGrant":"1194.1006 and 1235.1007"}],"studyNotes":"Depth is cm below sea floor. The age model for Site-1085 was determined by correlation of the benthic delta18O data to the LR04 curve. d18O values have been corrected to a common 'Uvigerina' scale by adding 0.64permil. Some d13C data from Site-1085 are on the basis of measurements of Uvigerina spp. corrected to C. wuellerstorfi values by adding 0.9permil.\n","onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/9775","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-ocean-9775.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-ocean-9775.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/paleoceanography","studyCode":null,"scienceKeywords":["Sea Surface Temperature Reconstruction","Meridional Overturning Circulation (MOC)"],"reconstruction":"Y","contributionDate":"2010-09-10","entryId":"noaa-ocean-9775","earliestYearBP":473780,"mostRecentYearBP":0,"earliestYearCE":-471830,"mostRecentYearCE":1950,"publication":[{"author":{"name":"Dickson, A.J., M.J. Leng, M.A. Maslin, H.J. Sloane, J. Green, J.A. Bendle, E.L. McClymont and R.D. Pancost"},"pubYear":2010,"title":"Atlantic overturning circulation and Agulhas leakage influences on southeast Atlantic upper ocean hydrography during marine isotope stage 11","journal":"Paleoceanography","volume":"25","edition":null,"issue":"3","pages":null,"reportNumber":"PA3208","citation":"Dickson, A.J., M.J. Leng, M.A. Maslin, H.J. Sloane, J. Green, J.A. Bendle, E.L. McClymont and R.D. Pancost. 2010. Atlantic overturning circulation and Agulhas leakage influences on southeast Atlantic upper ocean hydrography during marine isotope stage 11. Paleoceanography, 25(3), PA3208. doi: 10.1029/2009PA001830","type":"publication","identifier":{"type":"doi","id":"10.1029/2009PA001830","url":"http://dx.doi.org/10.1029/2009PA001830"},"abstract":null,"pubRank":"2"},{"author":{"name":"Dickson, A.J., M.J. Leng and M.A. Maslin"},"pubYear":2008,"title":"Mid-depth South Atlantic Ocean circulation and chemical stratification during MIS-10 to 12: implications for atmospheric CO2","journal":"Climate of the Past","volume":"4","edition":null,"issue":null,"pages":"333-344","reportNumber":null,"citation":"Dickson, A.J., M.J. Leng and M.A. Maslin. 2008. Mid-depth South Atlantic Ocean circulation and chemical stratification during MIS-10 to 12: implications for atmospheric CO2. Climate of the Past, 4, 333-344. doi: 10.5194/cp-4-333-2008","type":"publication","identifier":{"type":"doi","id":"10.5194/cp-4-333-2008","url":"http://dx.doi.org/10.5194/cp-4-333-2008"},"abstract":null,"pubRank":"3"},{"author":{"name":"Dickson, A.J., C.J. Beer, C. Dempsey, M.A. Maslin, J.A. Bendle, E.L. McClymont, and R.D. Pancost"},"pubYear":2009,"title":"Oceanic forcing of the Marine Isotope Stage 11 interglacial","journal":"Nature Geoscience","volume":"2","edition":null,"issue":null,"pages":"428-433","reportNumber":null,"citation":"Dickson, A.J., C.J. Beer, C. Dempsey, M.A. Maslin, J.A. Bendle, E.L. McClymont, and R.D. Pancost. 2009. Oceanic forcing of the Marine Isotope Stage 11 interglacial. Nature Geoscience, 2, 428-433. doi: 10.1038/ngeo527","type":"publication","identifier":{"type":"doi","id":"10.1038/ngeo527","url":"http://dx.doi.org/10.1038/ngeo527"},"abstract":"The interglacial known as Marine Isotope Stage 11 has been proposed to be analogous to the Holocene, owing to similarities in the amplitudes of orbital forcing. It has been difficult to compare the periods, however, because of the long duration of Stage 11 and a lack of detailed knowledge of any extreme climate events that may have occurred. Here we use the distinctive phasing between seasurface temperatures and the oxygen-isotope records of benthic foraminifera in the southeast Atlantic Ocean to stratigraphically align the Holocene interglacial with the first half of the Marine Isotope Stage 11 interglacial optimum. This alignment suggests that the second half of Marine Isotope Stage 11 should not be used as a reference for 'pre-anthropogenic' greenhouse-gas emissions. By compiling benthic carbon-isotope records from sites in the Atlantic Ocean on a single timescale, we also find that meridional overturning circulation strengthened about 415,000 years ago, at a time of high orbital obliquity. We propose that this mechanism transported heat to the high northern latitudes, inhibiting significant ice-sheet build-up and prolonging interglacial conditions. We suggest that this mechanism may have also prolonged other interglacial periods throughout the past 800,000 years.","pubRank":"1"}],"site":[{"NOAASiteId":"31223","siteName":"GeoB1720-3","siteCode":null,"mappable":"Y","locationName":"Ocean>Atlantic Ocean>South Atlantic Ocean","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["-28.9833","13.833333"]},"properties":{"southernmostLatitude":"-28.9833","northernmostLatitude":"-28.9833","westernmostLongitude":"13.833333","easternmostLongitude":"13.833333","minElevationMeters":"-1997","maxElevationMeters":"-1997"}},"paleoData":[{"dataTableName":"GeoB1720-3","NOAADataTableId":"18600","earliestYear":1511,"mostRecentYear":0,"timeUnit":"cal yr 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