{"xmlId":"74473","NOAAStudyId":"32773","studyName":"Zhang - Xian Yu Mountain - PITW - ITRDB CHIN085","doi":"https://doi.org/10.25921/201s-0p25","uuid":"3a7851db-567f-4215-8d78-d24679ad1e1f","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":"TREE RING","investigators":"Zhang, W.; Shi, J.; Zhao, Y.; Shi, S.; Ma, X.; Zhu, Y.","investigatorDetails":[{"firstName":"Weijie","lastName":"Zhang","initials":"W.","orcId":null},{"firstName":"Jiangfeng","lastName":"Shi","initials":"J.","orcId":"0000-0001-7007-3983"},{"firstName":"Yesi","lastName":"Zhao","initials":"Y.","orcId":null},{"firstName":"Shiyuan","lastName":"Shi","initials":"S.","orcId":null},{"firstName":"Xiaoqi","lastName":"Ma","initials":"X.","orcId":null},{"firstName":"Yuxin","lastName":"Zhu","initials":"Y.","orcId":null}],"version":"1.0","funding":[],"studyNotes":"Keywords: total ring width, earlywood width, latewood width NOAA Template Raw Measurements file added 2021-05-03.","onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/32773","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-tree-32773.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-tree-32773.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/tree-ring","studyCode":"CHIN085","scienceKeywords":["Pinus taiwanensis Hayata","PITW","Taiwan pine"],"reconstruction":"N","contributionDate":"2021-02-23","entryId":"noaa-tree-32773","earliestYearBP":49,"mostRecentYearBP":-67,"earliestYearCE":1901,"mostRecentYearCE":2017,"publication":[{"author":{"name":"Weijie Zhang, Jiangfeng Shi, Yesi Zhao, Shiyuan Shi, Xiaoqi Ma, Yuxin Zhu"},"pubYear":2021,"title":"December-March temperature reconstruction from tree-ring earlywood width in southeastern China during the period of 1871-2016","journal":"International Journal of Biometeorology","volume":null,"edition":null,"issue":null,"pages":null,"reportNumber":null,"citation":"Weijie Zhang, Jiangfeng Shi, Yesi Zhao, Shiyuan Shi, Xiaoqi Ma, Yuxin Zhu. 2021. December-March temperature reconstruction from tree-ring earlywood width in southeastern China during the period of 1871-2016. International Journal of Biometeorology. . doi: 10.1007/s00484-020-02067-9","type":"publication","identifier":{"type":"doi","id":"10.1007/s00484-020-02067-9","url":"http://dx.doi.org/10.1007/s00484-020-02067-9"},"abstract":"Extremely cold temperatures are a significant threat to agriculture and transportation in winter in southeastern China. However, due to the shortness of instrumental records and the scarcity of long-term temperature reconstructions, more high-quality temperature reconstructions are still needed to fully examine their spatial-temporal variability over the past several centuries. In this study, we built an earlywood width (EWW) chronology, a latewood width (LWW) chronology, and a tree-ring width (TRW) chronology using tree-ring samples of Pinus taiwanensis Hayata from the western Tianmu Mountains and the Xianyu Mountains in southeastern China. The tree growth-climate relationships were analyzed, and we found the strongest correlation between December and March mean temperature and the EWW chronology. The December-March mean temperature history was then reconstructed over the period of 1871-2016 using a linear regression model, which is the first EWW-based temperature reconstruction in southeastern China. With a higher explained variance (47.0%) than that (31.7%) of a previous reconstruction using a TRW chronology, the quality of the model has largely improved. This reconstruction was also comparable with other nearby records, further demonstrating the reliability of our new model. Furthermore, our reconstruction exhibits a significantly negative relationship with the East Asian winter monsoon index (EAWMI) since the 1920s, which may be attributed to the obviously enhanced EAWMI thereafter.","pubRank":"1"}],"site":[{"NOAASiteId":"58826","siteName":"Xian Yu Mountain","siteCode":null,"mappable":"Y","locationName":"Continent>Asia>Eastern Asia>China","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["30.2","117.6"]},"properties":{"southernmostLatitude":"30.2","northernmostLatitude":"30.2","westernmostLongitude":"117.6","easternmostLongitude":"117.6","minElevationMeters":"1025","maxElevationMeters":"1025"}},"paleoData":[{"dataTableName":"CHIN085","NOAADataTableId":"45299","earliestYear":1901,"mostRecentYear":2017,"timeUnit":"CE","earliestYearBP":49,"mostRecentYearBP":-67,"earliestYearCE":1901,"mostRecentYearCE":2017,"coreLengthMeters":null,"dataTableNotes":null,"species":[{"speciesCode":"PITW","scientificName":"Pinus taiwanensis Hayata","resourceId":null,"commonName":["Taiwan pine"]}],"dataFile":[{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/chin085.txt","urlDescription":"Correlation Stats","linkText":"chin085.txt","variables":[],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/asia/chin085.rwl","urlDescription":"Raw Measurements","linkText":"chin085.rwl","variables":[{"cvDataType":"TREE RING","cvWhat":"age variable>age","cvMaterial":null,"cvError":null,"cvUnit":"time unit>age unit>year Common Era","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":null,"cvFormat":"Numeric","cvShortName":"age_CE"},{"cvDataType":"TREE RING","cvWhat":"physical property>width>total ring width","cvMaterial":null,"cvError":null,"cvUnit":"length unit>millimeter","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvFormat":"Numeric","cvShortName":null}],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/asia/chin085e.rwl","urlDescription":"Raw Measurements","linkText":"chin085e.rwl","variables":[{"cvDataType":"TREE RING","cvWhat":"age variable>age","cvMaterial":null,"cvError":null,"cvUnit":"time unit>age unit>year Common Era","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":null,"cvFormat":"Numeric","cvShortName":"age_CE"},{"cvDataType":"TREE RING","cvWhat":"physical property>width>earlywood width","cvMaterial":null,"cvError":null,"cvUnit":"length unit>millimeter","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvFormat":"Numeric","cvShortName":null}],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>earlywood width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/asia/chin085l.rwl","urlDescription":"Raw Measurements","linkText":"chin085l.rwl","variables":[{"cvDataType":"TREE RING","cvWhat":"age variable>age","cvMaterial":null,"cvError":null,"cvUnit":"time unit>age unit>year Common Era","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":null,"cvFormat":"Numeric","cvShortName":"age_CE"},{"cvDataType":"TREE RING","cvWhat":"physical property>width>latewood width","cvMaterial":null,"cvError":null,"cvUnit":"length unit>millimeter","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvFormat":"Numeric","cvShortName":null}],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>latewood width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/asia/chin085e-rwl-noaa.txt","urlDescription":"Raw Measurements - NOAA Template File","linkText":"chin085e-rwl-noaa.txt","variables":[{"cvDataType":"TREE RING","cvWhat":"physical property>width>earlywood width","cvMaterial":null,"cvError":null,"cvUnit":"length unit>millimeter","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"Tree ID: XYS0309A; 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