{"NOAAStudyId":"22931","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":"2017-10-18","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-22931.xml","doi":"https://doi.org/10.25921/4kze-8h16","earliestYearBP":496,"earliestYearCE":1454,"entryId":"noaa-tree-22931","funding":[],"investigators":"Li, J.; Yuan, Y.; Zhou, W.; You, X.; Shi, F.","mostRecentYearBP":-43,"mostRecentYearCE":1993,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/22931","originalSource":null,"publication":[{"abstract":null,"author":{"name":"Li, J., Yuan, Y., and Zhou, W."},"citation":"Li, J., Yuan, Y., and Zhou, W.: Research on dendroclimatology and dendrohydrology in Xinjiang, Meteorology Press, Beijing, 1989.(in Chinese)","edition":null,"identifier":null,"issue":null,"journal":null,"pages":null,"pubRank":"1","pubYear":1989,"reportNumber":null,"title":"Research on dendroclimatology and dendrohydrology in Xinjiang","type":"publication","volume":null},{"abstract":null,"author":{"name":"Li, J., Yuan, Y., and You, X."},"citation":"Li, J., Yuan, Y., and You, X.: Dendrohydrology research and application, Science Press, Beijing, 2000.(in Chinese)","edition":null,"identifier":null,"issue":null,"journal":null,"pages":null,"pubRank":"2","pubYear":2000,"reportNumber":null,"title":"Dendrohydrology research and application","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["hydrology"],"site":[{"NOAASiteId":"57504","geo":{"geoType":"Feature","geometry":{"coordinates":["39.6","48.3","81","95"],"type":"POLYGON"},"properties":{"easternmostLongitude":"95","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"48.3","southernmostLatitude":"39.6","westernmostLongitude":"81"}},"locationName":"Continent>Asia>Eastern Asia>China","mappable":"N","paleoData":[{"NOAADataTableId":"34113","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/chronologies/li1989-li2000/nwchina77crns.txt","linkText":"Li et al. Northwest China Tree Ring Chronologies","urlDescription":"Formatted Text Data File","variables":[{"cvAdditionalInfo":null,"cvDataType":"TREE RING","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":"TREE RING","cvDetail":"composited","cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":null,"cvUnit":null,"cvWhat":"statistical variable>proxy composite>tree ring standardized growth index"}]}],"dataTableName":"Li1989-2000trsgi","dataTableNotes":null,"earliestYear":1454,"earliestYearBP":496,"earliestYearCE":1454,"mostRecentYear":1993,"mostRecentYearBP":-43,"mostRecentYearCE":1993,"species":[],"timeUnit":"AD"}],"siteName":"Northwest China"}],"studyCode":null,"studyName":"Northwest China 540 Year Li et al. Tree Ring Chronologies","studyNotes":"77 tree-ring chronologies for northwest China from Li et al. (1989) and Li et al. (2000), extracted from the published literature by Feng Shi.","version":"1.0","xmlId":"21094"}