{"NOAAStudyId":"23373","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":"2018-02-05","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-23373.xml","doi":null,"earliestYearBP":4353,"earliestYearCE":-2403,"entryId":"noaa-ocean-23373","funding":[],"investigators":"Thirumalai, K.; Quinn, T.M.; Okumura, Y.; Richey, J.N.; Partin, J.W.; Poore, R.Z.; Moreno-Chamarro, E.","mostRecentYearBP":-49,"mostRecentYearCE":1999,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/23373","originalSource":null,"publication":[{"abstract":"Surface-ocean circulation in the northern Atlantic Ocean influences Northern Hemisphere climate. Century-scale circulation variability in the Atlantic Ocean, however, is poorly con- strained due to insufficiently-resolved paleoceanographic records. Here we present a repli- cated reconstruction of sea-surface temperature and salinity from a site sensitive to North Atlantic circulation in the Gulf of Mexico which reveals pronounced centennial-scale varia- bility over the late Holocene. We find significant correlations on these timescales between salinity changes in the Atlantic, a diagnostic parameter of circulation, and widespread pre- cipitation anomalies using three approaches: multiproxy synthesis, observational datasets, and a transient simulation. Our results demonstrate links between centennial changes in northern Atlantic surface-circulation and hydroclimate changes in the adjacent continents over the late Holocene. Notably, our findings reveal that weakened surface-circulation in the Atlantic Ocean was concomitant with well-documented rainfall anomalies in the Western Hemisphere during the Little Ice Age.","author":{"name":"Thirumalai, K., T.M. Quinn, Y. Okumura, J.N. Richey, J.W. Partin, R.Z. Poore, and E. Moreno-Chamarro"},"citation":"Thirumalai, K., T.M. Quinn, Y. Okumura, J.N. Richey, J.W. Partin, R.Z. Poore, and E. Moreno-Chamarro. 2018. Pronounced centennial-scale Atlantic Ocean climate variability correlated with Western Hemisphere hydroclimate. Nature Communications, 9, 392, 1-11. doi:  10.1038/s41467-018-02846-4","edition":null,"identifier":{"id":" 10.1038/s41467-018-02846-4","type":"doi","url":"http://dx.doi.org/ 10.1038/s41467-018-02846-4"},"issue":null,"journal":"Nature Communications","pages":"1-11","pubRank":"1","pubYear":2018,"reportNumber":"392","title":"Pronounced centennial-scale Atlantic Ocean climate variability correlated with Western Hemisphere hydroclimate","type":"publication","volume":"9"}],"reconstruction":"Y","scienceKeywords":null,"site":[{"NOAASiteId":"57590","geo":{"geoType":"Feature","geometry":{"coordinates":["26.66","-93.92"],"type":"POINT"},"properties":{"easternmostLongitude":"-93.92","maxElevationMeters":"-1776","minElevationMeters":"-1776","northernmostLatitude":"26.66","southernmostLatitude":"26.66","westernmostLongitude":"-93.92"}},"locationName":"Ocean>Atlantic Ocean>North Atlantic Ocean>Gulf Of 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RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"hydrologic material>sea water>sea surface","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"},{"cvAdditionalInfo":"5th percentile; See Thirumalai et al. 2018 for error details (uncertainty accounts for analytical+sampling+dating uncertainty)","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"reconstruction material>isotope ratio>delta 18O","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"},{"cvAdditionalInfo":"5th percentile; See Thirumalai et al. 2018 for error details (uncertainty accounts for analytical+sampling+dating uncertainty)","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"reconstruction material>element or compound ratio>magnesium/calcium","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"},{"cvAdditionalInfo":"5th percentile; See Thirumalai et al. 2018 for error details (uncertainty accounts for analytical+sampling+dating uncertainty)","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"hydrologic material>sea water>sea surface","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"},{"cvAdditionalInfo":"95th percentile; See Thirumalai et al. 2018 for error details (uncertainty accounts for analytical+sampling+dating uncertainty)","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"reconstruction material>isotope ratio>delta 18O","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"},{"cvAdditionalInfo":"95th percentile; See Thirumalai et al. 2018 for error details (uncertainty accounts for analytical+sampling+dating uncertainty)","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"reconstruction material>element or compound ratio>magnesium/calcium","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"},{"cvAdditionalInfo":"95th percentile; See Thirumalai et al. 2018 for error details (uncertainty accounts for analytical+sampling+dating uncertainty)","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOCEANOGRAPHY","cvDetail":null,"cvError":"percentile","cvFormat":"Numeric","cvMaterial":"hydrologic material>sea water>sea surface","cvMethod":null,"cvSeasonality":"annual","cvShortName":null,"cvUnit":"practical salinity unit","cvWhat":"chemical composition>solution property>salinity"}]}],"dataTableName":"Garrison Stack Thirumalai2018","dataTableNotes":"Most recent year is -49 cal yr BP and oldest is 4353 cal yr BP","earliestYear":-2403,"earliestYearBP":4353,"earliestYearCE":-2403,"mostRecentYear":1999,"mostRecentYearBP":-49,"mostRecentYearCE":1999,"species":[],"timeUnit":"AD"}],"siteName":"Garrison Basin"}],"studyCode":null,"studyName":"Garrison Basin, Gulf of Mexico d18O and Mg/Ca in three multicores, and stacked SST/d18Osw/SSS reconstructions spanning the past 4.4 kyrs","studyNotes":"Sea-surface temperature, d18Osw, and sea-surface salinity reconstructions from the northern Gulf of Mexico generated from paired Mg/Ca-dٸO measurements in G. ruber (White) from three Garrison Basin sediment cores spanning the last 4,400 years.\r\n      Provided Keywords: Gulf of Mexico, sea-surface temperature, sea-surface salinity, G. ruber, foraminifera, late Holocene","version":"1.0","xmlId":"21537"}