{"NOAAStudyId":"13610","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":"2012-12-13","dataPublisher":"NOAA","dataType":"PALEOLIMNOLOGY","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/lake","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-lake-13610.xml","doi":null,"earliestYearBP":2805000,"earliestYearCE":-2803050,"entryId":"noaa-lake-13610","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":null},{"fundingAgency":"International Continental Scientific Drilling Program (ICDP)","fundingGrant":null},{"fundingAgency":"German Ministry of Research and Education (BMBF)","fundingGrant":null},{"fundingAgency":"Russian Academy of Sciences","fundingGrant":null}],"investigators":"Melles, M.; Brigham-Grette, J.; Minyuk, P.S.; Nowaczyk, N.R.; Wennrich, V.; DeConto, R.M.; Anderson, P.M.; Andreev, A.A.; Coletti, A.; Cook, T.L.; Haltia-Hovi, E.; Kukkonen, M.; Lozhkin, A.V.; Rosén, P.; Tarasov, P.E.; Vogel, H.; Wagner, B.","mostRecentYearBP":0,"mostRecentYearCE":1950,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/13610","originalSource":null,"publication":[{"abstract":"The reliability of Arctic climate predictions is currently hampered \r\nby insufficient knowledge of natural climate variability in the past. \r\nA sediment core from Lake El´gygytgyn (NE Russia) provides a continuous \r\nhigh-resolution record from the Arctic spaning the past 2.8 Ma. \r\nThe core reveals numerous \"super interglacials\" during the Quaternary, \r\nwith maximum summer temperatures and annual precipitation during marine \r\nbenthic isotope stages (MIS) 11c and 31 ~4-5 °C and ~300 mm higher than \r\nthose of MIS 1 and 5e. Climate simulations show these extreme warm \r\nconditions are difficult to explain with greenhouse gas and astronomical \r\nforcing alone, implying the importance of amplifying feedbacks and far \r\nfield influences. The timing of Arctic warming relative to West Antarctic \r\nIce Sheet retreats implies strong interhemispheric climate connectivity. ","author":null,"citation":"Melles, M., J. Brigham-Grette, P.S. Minyuk, N.R. Nowaczyk, V. Wennrich, \r\nR.M. DeConto, P.M. Anderson, A.A. Andreev, A. Coletti, T.L. Cook,  \r\nE. Haltia-Hovi, M. Kukkonen, A.V. Lozhkin, P. Rosén, P. Tarasov,  \r\nH. Vogel, and B. Wagner. 2012. \r\n2.8 Million Years of Arctic Climate Change from Lake El'gygytgyn, NE Russia. \r\nScience, Vol. 337, no. 6092, pp. 315-320, 20 July 2012. \r\nDOI: 10.1126/science.1222135","edition":null,"identifier":{"id":"10.1126/science.1222135","type":"doi","url":"http://dx.doi.org/10.1126/science.1222135"},"issue":null,"journal":"Science","pages":null,"pubRank":"1","pubYear":2012,"reportNumber":null,"title":"2.8 Million Years of Arctic Climate Change from Lake El'gygytgyn, NE Russia","type":"publication","volume":null}],"reconstruction":"Y","scienceKeywords":["Arctic"],"site":[{"NOAASiteId":"54271","geo":{"geoType":"Feature","geometry":{"coordinates":["67.4997","172.1038"],"type":"POINT"},"properties":{"easternmostLongitude":"172.1038","maxElevationMeters":"492","minElevationMeters":"492","northernmostLatitude":"67.4997","southernmostLatitude":"67.4997","westernmostLongitude":"172.1038"}},"locationName":"Continent>Europe>Eastern Europe>Russia","mappable":"Y","paleoData":[{"NOAADataTableId":"23300","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleolimnology>population abundance","earth science>paleoclimate>paleolimnology>geochemistry","earth science>paleoclimate>paleolimnology>physical properties","earth science>paleoclimate>paleolimnology>reconstruction","earth science>paleoclimate>paleolimnology>magnetic susceptibility","earth science>paleoclimate>paleolimnology>mineralogy","earth science>paleoclimate>paleolimnology>age control"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/asia/russia/elgygytgyn2012.txt","linkText":"elgygytgyn2012.txt","urlDescription":"Data","variables":[{"cvAdditionalInfo":"best modern analog","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":"modern analogue technique","cvSeasonality":"non-calendric period>warmest month","cvShortName":null,"cvUnit":"degree Celsius","cvWhat":"earth system variable>temperature variable>temperature"},{"cvAdditionalInfo":"maximum value in the range of best modern analogs","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":"range lower bound","cvFormat":"Numeric","cvMaterial":null,"cvMethod":"modern analogue technique","cvSeasonality":"non-calendric period>warmest month","cvShortName":null,"cvUnit":"degree Celsius","cvWhat":"earth system variable>temperature variable>temperature"},{"cvAdditionalInfo":"minimum value in the range of best modern analogs","cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":"range upper bound","cvFormat":"Numeric","cvMaterial":null,"cvMethod":"modern analogue technique","cvSeasonality":"non-calendric period>warmest month","cvShortName":null,"cvUnit":"degree Celsius","cvWhat":"earth system variable>temperature variable>temperature"},{"cvAdditionalInfo":"best modern 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technique","cvSeasonality":"annual","cvShortName":null,"cvUnit":"millimeter","cvWhat":"earth system variable>hydroclimatic variable>hydroclimate rate>precipitation"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar kiloyear before present","cvWhat":"age variable>age>age at sample start"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar kiloyear before present","cvWhat":"age variable>age>age at sample end"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"calendar kiloyear before present","cvWhat":"age variable>age"},{"cvAdditionalInfo":"x10-6 units","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"magnetic susceptibility measurement with point or surface sensor","cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless (SI system)","cvWhat":"magnetic property>magnetic moments>magnetic susceptibility>volume magnetic susceptibility"},{"cvAdditionalInfo":null,"cvDataType":"CLIMATE RECONSTRUCTIONS|PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"meter","cvWhat":"depth variable>depth"},{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"percent","cvWhat":"chemical composition>element or single-element molecule>carbon>organic carbon"},{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":"smoothed","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"energy-dispersive x-ray fluorescence spectroscopy","cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"chemical composition>element or compound ratio>silicon/titanium"},{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"dimensionless","cvWhat":"chemical composition>element or compound ratio>manganese/iron"},{"cvAdditionalInfo":"sequential leaching technique","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"weight percent","cvWhat":"chemical composition>compound>inorganic compound>silicon dioxide>biogenic silica"},{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":"fourier transform infrared spectroscopy","cvSeasonality":null,"cvShortName":null,"cvUnit":"weight percent","cvWhat":"chemical composition>compound>inorganic compound>silicon dioxide>biogenic silica"},{"cvAdditionalInfo":"Facies","cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Character","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"sampling metadata>notes"}]},{"NOAAKeywords":["earth science>paleoclimate>paleolimnology>magnetic susceptibility","earth science>paleoclimate>paleolimnology>population abundance","earth science>paleoclimate>paleolimnology>age control","earth science>paleoclimate>paleolimnology>mineralogy","earth science>paleoclimate>paleolimnology>physical properties","earth science>paleoclimate>paleolimnology>geochemistry","earth science>paleoclimate>paleolimnology>reconstruction"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/asia/russia/elgygytgyn2012.xls","linkText":"elgygytgyn2012.xls","urlDescription":"Data","variables":[]}],"dataTableName":"5011-1","dataTableNotes":null,"earliestYear":2805000,"earliestYearBP":2805000,"earliestYearCE":-2803050,"mostRecentYear":0,"mostRecentYearBP":0,"mostRecentYearCE":1950,"species":[],"timeUnit":"cal yr BP"}],"siteName":"Lake El'gygytgyn"}],"studyCode":null,"studyName":"Lake El'gygytgyn, NE Russia Quaternary Multiproxy Lake Sediment Data","studyNotes":"Multiproxy sediment data from Lake El'gygytgyn, NE Russia for the past \n2.800 Ma.  Data include core recovery, the age-depth model, sediment facies \nand mass movement deposits, sediment physical properties, total organic \ncarbon content, paleomagnetic reversals, pollen data, pollen derived \ntemperature and precipitation reconstruction data, and elemental ratio \nderived from X-ray fluorescence scanning. ","version":"1.0","xmlId":"11631"}