{"xmlId":"68671","NOAAStudyId":"28171","studyName":"Lake Hayes, New Zealand Last Deglacial Biomarker and Carbonate Data","doi":"https://doi.org/10.25921/6hw2-b154","uuid":"ee0eb543-3753-4c97-b5c6-35f0bc2296b7","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":"PALEOLIMNOLOGY","investigators":"Hinojosa, J.L.; Moy, C.M.; Vandergoes, M.; Feakins, S.J.; Sessions, A.L.","investigatorDetails":[{"firstName":"Jessica","lastName":"Hinojosa","initials":"J.L.","orcId":null},{"firstName":"Christopher","lastName":"Moy","initials":"C.M.","orcId":"0000-0002-2177-5265"},{"firstName":"Marcus","lastName":"Vandergoes","initials":"M.","orcId":null},{"firstName":"Sarah","lastName":"Feakins","initials":"S.J.","orcId":"0000-0003-3434-2423"},{"firstName":"Alex","lastName":"Sessions","initials":"A.L.","orcId":null}],"version":"1.0","funding":[],"studyNotes":"Hydrogen isotopes from n-alkanes of varying lengths, and Ca/Ti as a proxy for endogenic carbonate production, from sediments collected in Lake Hayes, New Zealand.","onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/28171","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-lake-28171.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-lake-28171.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/lake","studyCode":null,"scienceKeywords":null,"reconstruction":"N","contributionDate":"2019-10-27","entryId":"noaa-lake-28171","earliestYearBP":17400,"mostRecentYearBP":9625,"earliestYearCE":-15450,"mostRecentYearCE":-7675,"publication":[{"author":{"name":"Hinojosa, Jessica L; Moy, Christopher M; Vandergoes, Marcus; Feakins, Sarah J; Sessions, Alex L"},"pubYear":2020,"title":"Hydrologic change in New Zealand during the last deglaciation linked to reorganization of the Southern Hemisphere westerly winds","journal":"Paleoceanography and Paleoclimatology","volume":"34","edition":null,"issue":null,"pages":"2158-2170","reportNumber":null,"citation":"Hinojosa, Jessica L; Moy, Christopher M; Vandergoes, Marcus; Feakins, Sarah J; Sessions, Alex L. 2020. Hydrologic change in New Zealand during the last deglaciation linked to reorganization of the Southern Hemisphere westerly winds. Paleoceanography and Paleoclimatology, 34, 2158-2170. doi: 10.1029/2019PA003656","type":"publication","identifier":{"type":"doi","id":"10.1029/2019PA003656","url":"http://dx.doi.org/10.1029/2019PA003656"},"abstract":"Millennial-scale climate anomalies punctuating the last deglaciation were expressed differently in the Northern and Southern Hemispheres. While oceanic meridional overturning has been invoked to explain these disparities, the nearly synchronous onset of such events requires atmospheric mediation. Yet the extent and structure of atmospheric reorganization on millennial timescales remains unclear. In particular, the role of the Southern Hemisphere westerly winds (SHWW) and associated storm tracks is poorly constrained, largely due to the paucity of accessible archives of wind behavior. Here we present a new paleohydrologic record from a Lake Hayes, New Zealand (45 S) sediment core spanning ~17 ka. Using two independent proxies for lake hydrology (Ca/Ti in sediments and dD values of aquatic plant biomarkers), we find evidence for a wetter Antarctic Cold Reversal (ACR, 14.7-13.0 ka) and a drying trend during the Younger Dryas (YD, 12.9-11.6 ka) and early Holocene (11.7 ka onward in this record). Comparisons of the Lake Hayes record with other Southern Hemisphere sites indicate coherent atmospheric shifts during the ACR and YD. Several mechanisms, such as the retreat of Antarctic sea ice, could explain the shifts in the westerlies and decoupling between Southern Hemisphere low- and mid-latitude climates in the early Holocene.","pubRank":"1"}],"site":[{"NOAASiteId":"58113","siteName":"Lake Hayes","siteCode":null,"mappable":"Y","locationName":"Continent>Australia/New Zealand>New Zealand","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["-44.98","168.81"]},"properties":{"southernmostLatitude":"-44.98","northernmostLatitude":"-44.98","westernmostLongitude":"168.81","easternmostLongitude":"168.81","minElevationMeters":null,"maxElevationMeters":null}},"paleoData":[{"dataTableName":"Hayes2020LH-A-B","NOAADataTableId":"40497","earliestYear":17400,"mostRecentYear":9625,"timeUnit":"cal yr BP","earliestYearBP":17400,"mostRecentYearBP":9625,"earliestYearCE":-15450,"mostRecentYearCE":-7675,"coreLengthMeters":6,"dataTableNotes":null,"species":[],"dataFile":[{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/paleolimnology/australia/newzealand/hayes2020biomarkers.txt","urlDescription":"NOAA Template File","linkText":"Lake Hayes Biomarker Data","variables":[{"cvDataType":"PALEOLIMNOLOGY","cvWhat":"chemical composition>isotope>isotope ratio>delta 2H","cvMaterial":"chemical composition>compound>organic compound>hydrocarbon>alkane>n-alkane>C23 n-alkane","cvError":null,"cvUnit":"concentration unit>parts per notation unit>parts per thousand>per mil>per mil VSMOW","cvSeasonality":null,"cvDetail":"averaged|corrected","cvMethod":"laboratory method>spectroscopy>mass spectrometry>isotope ratio mass spectrometry","cvAdditionalInfo":"dD of C23 n-alkane; Ice-volume corrected following Tierney et al. 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