{"NOAAStudyId":"22360","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":"2016-12-26","dataPublisher":"NOAA","dataType":"TREE RING","dataTypeInformation":"https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/tree-ring","difMetadataLink":"http://www1.ncdc.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-tree-22360.xml","doi":"https://doi.org/10.25921/pqxn-mv53","earliestYearBP":320,"earliestYearCE":1630,"entryId":"noaa-tree-22360","funding":[],"investigators":"Köse, N.; Güner, H.T.","mostRecentYearBP":-55,"mostRecentYearCE":2005,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/22360","originalSource":null,"publication":[{"abstract":"The meteorological observational period in Turkey, which starts ca. 1930 CE, is too short for understanding long-term climatic variability. Tree rings have been used intensively as proxy records to understand summer precipitation history of the region, primarily because they have a dominant precipitation signal. Yet, the historical context of temperature variability is unclear. Here, we used higher-order principle components of a network of 23 tree-ring chronologies to provide a high-resolution spring (March-April) temperature reconstruction over Turkey during the period 1800-2002. The reconstruction model accounted for 67 % (Adj. R2 =  0.64, p < 0.0001) of the instrumental temperature variance over the full calibration period (1930-2002). The reconstruction is punctuated by a temperature increase during the 20th century; yet extreme cold and warm events during the 19th century seem to eclipse conditions during the 20th century. We found significant correlations between our March-April spring temperature reconstruction and existing gridded spring temperature reconstructions for Europe over Turkey and southeastern Europe. Moreover, the precipitation signal obtained from the tree-ring network (first principle component) showed highly significant correlations with gridded summer drought index reconstruction over Turkey and Mediterranean countries. Our results showed that, beside the dominant precipitation signal, a temperature signal can be extracted from tree-ring series and they can be useful proxies in reconstructing past temperature variability.","author":{"name":"Nesibe Köse, H. Tuncay Güner, Grant L. Harley, and Joel Guiot"},"citation":"Nesibe Köse, H. Tuncay Güner, Grant L. Harley, and Joel Guiot. 2017. Spring temperature variability over Turkey since 1800 CE reconstructed from a broad network of tree-ring data . Climate of the Past, 13(1), 1-15. doi: 10.5194/cp-13-1-2017","edition":null,"identifier":{"id":"10.5194/cp-13-1-2017","type":"doi","url":"http://dx.doi.org/10.5194/cp-13-1-2017"},"issue":"1","journal":"Climate of the Past","pages":"1-15","pubRank":"1","pubYear":2017,"reportNumber":null,"title":"Spring temperature variability over Turkey since 1800 CE reconstructed from a broad network of tree-ring data ","type":"publication","volume":"13"}],"reconstruction":"N","scienceKeywords":["Pinus nigra J.F. Arnold","black pine","PINI","Austrian pine"],"site":[{"NOAASiteId":"57332","geo":{"geoType":"Feature","geometry":{"coordinates":["39.95","31.2"],"type":"POINT"},"properties":{"easternmostLongitude":"31.2","maxElevationMeters":"1558","minElevationMeters":"1558","northernmostLatitude":"39.95","southernmostLatitude":"39.95","westernmostLongitude":"31.2"}},"locationName":"Continent>Asia>Western Asia>Turkey","mappable":"Y","paleoData":[{"NOAADataTableId":"33486","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/turk055.txt","linkText":"turk055.txt","urlDescription":"Correlation Stats","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring 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are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvDataType":"TREE RING","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":"SAV08A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: SAV09A; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvDataType":"TREE RING","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":"SAV09A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: SAV09B; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvDataType":"TREE 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width"}]}],"dataTableName":"TURK055","dataTableNotes":null,"earliestYear":1630,"earliestYearBP":320,"earliestYearCE":1630,"mostRecentYear":2005,"mostRecentYearBP":-55,"mostRecentYearCE":2005,"species":[{"commonName":["Austrian pine","black pine"],"scientificName":"Pinus nigra J.F. Arnold","speciesCode":"PINI"}],"timeUnit":"AD"}],"siteName":"Savas alani"}],"studyCode":"TURK055","studyName":"Köse - Savas alani - PINI - ITRDB TURK055","studyNotes":"NOAA Template Chronology file added 2018-12-19. NOAA Template Raw Measurements file added 2019-02-05.","version":"1.0","xmlId":"20478"}