{"NOAAStudyId":"2578","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":"2003-07-01","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-2578.xml","doi":null,"earliestYearBP":10740,"earliestYearCE":-8790,"entryId":"noaa-ocean-2578","funding":[],"investigators":"Gupta, A.K.; Anderson, D.M.; Overpeck, J.T.","mostRecentYearBP":548,"mostRecentYearCE":1402,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/2578","originalSource":null,"publication":[{"abstract":"During the last ice age, the Indian Ocean southwest monsoon exhibited abrupt changes that were closely correlated with millennial-scale climate events in the North Atlantic region, suggesting a mechanistic link. In the Holocene epoch, which had a more stable climate, the amplitude of abrupt changes in North Atlantic climate was much smaller, and it has been unclear whether these changes are related to monsoon variability. Here we present a continuous record of centennial-scale monsoon variability throughout the Holocene from rapidly accumulating and minimally bioturbated sediments in the anoxic Arabian Sea. Our monsoon proxy record reveals several intervals of weak summer monsoon that coincide with cold periods documented in the North Atlantic region-including the most recent climate changes from the Medieval Warm Period to the Little Ice Age and then to the present. We therefore suggest that the link between North Atlantic climate and the Asian monsoon is a persistent aspect of global climate.","author":null,"citation":"Gupta, A.K., D.M. Anderson, and J.T. Overpeck. 2003. Abrupt changes in the Asian southwest monsoon during the Holocene and their links to the North Atlantic Ocean. Nature 421:354-357.","edition":null,"identifier":null,"issue":null,"journal":"Nature","pages":null,"pubRank":"1","pubYear":2003,"reportNumber":null,"title":"Abrupt changes in the Asian southwest monsoon during the Holocene and their links to the North Atlantic Ocean","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"19181","geo":{"geoType":"Feature","geometry":{"coordinates":["18.05","57.6"],"type":"POINT"},"properties":{"easternmostLongitude":"57.6","maxElevationMeters":"-808","minElevationMeters":"-808","northernmostLatitude":"18.05","southernmostLatitude":"18.05","westernmostLongitude":"57.6"}},"locationName":"Ocean>Indian Ocean","mappable":"Y","paleoData":[{"NOAADataTableId":"4207","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleocean>age control","earth science>paleoclimate>paleocean>population abundance"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/gupta2003","linkText":"gupta2003","urlDescription":"Original Data and Full Metadata","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>paleocean>population abundance","earth science>paleoclimate>paleocean>age control"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/sediment_files/complete/723a-g-tab.txt","linkText":"723a-g-tab.txt","urlDescription":"Alternate Format Data","variables":[{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"centimeter","cvWhat":"depth variable>depth"},{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar year before present","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"PALEOCEANOGRAPHY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"percent","cvWhat":"biological material>organism>foraminifer>identified foraminifer>Globigerina bulloides"}]}],"dataTableName":"723A","dataTableNotes":null,"earliestYear":9449,"earliestYearBP":10740,"earliestYearCE":-8790,"mostRecentYear":560,"mostRecentYearBP":548,"mostRecentYearCE":1402,"species":[],"timeUnit":"14C yr BP"}],"siteName":"723A"}],"studyCode":null,"studyName":"Arabian Sea Holocene G. bulloides Data ","studyNotes":null,"version":"1.0","xmlId":"1577"}