{"NOAAStudyId":"8662","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":"2009-10-01","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-8662.xml","doi":null,"earliestYearBP":3259,"earliestYearCE":-1309,"entryId":"noaa-lake-8662","funding":[],"investigators":"Lamoureux, S.F.; Bradley, R.S.","mostRecentYearBP":-37,"mostRecentYearCE":1987,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/8662","originalSource":null,"publication":[{"abstract":"A composite record of varve sedimentation is presented from high arctic meromictic Lake C2. The combination of a short runoff and sediment transport season with the strong density stratification of the lake lead to the formation of annual sediment couplets. This conclusion was confirmed by 210Pb determinations. High intra-lake correlation of the varves allowed the construction of a composite record of varve sedimentation from overlapping segments of multiple sediment cores. Cross-dating between core segments isolated counting errors in individual cores, that could be attributed to minor sediment disturbances and vague structures. Resolving counting errors by cross-dating reduced the chronological error of the composite series to an estimated ą57 years.  The Lake C2 series is the first non-ice cap, high resolution late-Holocene environmental record from the Canadian high arctic. The composite varve series compares favorably with other high resolution proxies from the arctic, in particular with the ice core records from Devon Island and Camp Century, Greenland. A general correspondence between the varve record and other North American proxies for the little Ice Age period (1400ŋ1900 AD) suggests that the Lake C2 record is sensitive to large-scale synoptic changes.","author":null,"citation":"Lamoureux, S.F., Bradley, R.S. 1996. A late Holocene varved sediment record of environmental change from northern Ellesmere Island, Canada. Journal of Paleolimnology, 16(2), 239-255.","edition":null,"identifier":null,"issue":null,"journal":"Journal of Paleolimnology","pages":null,"pubRank":"1","pubYear":1996,"reportNumber":null,"title":" A late Holocene varved sediment record of environmental change from northern Ellesmere Island, Canada","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":null,"site":[{"NOAASiteId":"22959","geo":{"geoType":"Feature","geometry":{"coordinates":["82.8","-77.9"],"type":"POINT"},"properties":{"easternmostLongitude":"-77.9","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"82.8","southernmostLatitude":"82.8","westernmostLongitude":"-77.9"}},"locationName":"Continent>North America>Canada>Nunavut","mappable":"Y","paleoData":[{"NOAADataTableId":"12538","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>paleolimnology>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/northamerica/canada/ellesmere/c2-1996.txt","linkText":"c2-1996.txt","urlDescription":"Data","variables":[{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":null,"cvDataType":"PALEOLIMNOLOGY","cvDetail":"composited","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"standard deviation unit","cvWhat":"physical property>length>varve thickness"},{"cvAdditionalInfo":"corrected for turbidites","cvDataType":"PALEOLIMNOLOGY","cvDetail":"corrected","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"standard deviation unit","cvWhat":"physical property>length>varve thickness"},{"cvAdditionalInfo":"corrected for turbidites","cvDataType":"PALEOLIMNOLOGY","cvDetail":"composited","cvError":null,"cvFormat":"Numeric","cvMaterial":"geological material>bulk geological material>sediment","cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":"standard deviation unit","cvWhat":"physical property>length>varve thickness"}]},{"NOAAKeywords":["earth science>paleoclimate>paleolimnology>physical properties"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/northamerica/canada/ellesmere/c2-1996.xls","linkText":"c2-1996.xls","urlDescription":"Data","variables":[]}],"dataTableName":"Lake C2 Core C2","dataTableNotes":null,"earliestYear":3259,"earliestYearBP":3259,"earliestYearCE":-1309,"mostRecentYear":-37,"mostRecentYearBP":-37,"mostRecentYearCE":1987,"species":[],"timeUnit":"cal yr BP"}],"siteName":"Lake C2"}],"studyCode":null,"studyName":"Lake C2, Ellesmere Island Late Holocene Varve Index Data","studyNotes":"Varve data from Lake C2, northern Ellesmere Island, Canada","version":"1.0","xmlId":"2292"}