{"xmlId":"71992","NOAAStudyId":"30293","studyName":"Maxwell - Pioneer Mothers Memorial Forest - LITU - ITRDB IN004","doi":"https://doi.org/10.25921/ezch-g929","uuid":"1c0e793d-1117-4269-8810-a33259c6d02d","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":"Maxwell, J.T.; Harley, G.L.; Matheus, T.J.; Holt, D.H.","investigatorDetails":[{"firstName":"Justin","lastName":"Maxwell","initials":"J.T.","orcId":"0000-0001-9195-3146"},{"firstName":"Grant","lastName":"Harley","initials":"G.L.","orcId":"0000-0003-1557-8465"},{"firstName":"Trevis","lastName":"Matheus","initials":"T.J.","orcId":null},{"firstName":"David","lastName":"Holt","initials":"D.H.","orcId":null}],"version":"1.0","funding":[],"studyNotes":"multiple co-occurring species. NOAA Template Raw Measurements file added 2020-07-07.","onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/30293","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-tree-30293.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-tree-30293.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/tree-ring","studyCode":"IN004","scienceKeywords":["tuliptree","Liriodendron tulipifera L.","LITU","tulip-poplar","yellow-poplar"],"reconstruction":"N","contributionDate":"2020-06-23","entryId":"noaa-tree-30293","earliestYearBP":233,"mostRecentYearBP":-62,"earliestYearCE":1717,"mostRecentYearCE":2012,"publication":[{"author":{"name":"Justin T. Maxwell, Grant L. Harley, Trevis J. Matheus"},"pubYear":2015,"title":"Dendroclimatic reconstructions from multiple co-occurring species: a case study from an old-growth deciduous forest in Indiana, USA","journal":"International Journal of Climatology","volume":"35","edition":null,"issue":"6","pages":"860-870","reportNumber":null,"citation":"Justin T. Maxwell, Grant L. Harley, Trevis J. Matheus. 2015. Dendroclimatic reconstructions from multiple co-occurring species: a case study from an old-growth deciduous forest in Indiana, USA. International Journal of Climatology, 35(6), 860-870. doi: 10.1002/joc.4021","type":"publication","identifier":{"type":"doi","id":"10.1002/joc.4021","url":"http://dx.doi.org/10.1002/joc.4021"},"abstract":"Tree-ring-based climate reconstructions are typically derived from either (1) a single species from one or multiple locations or (2) multiple species from multiple locations. Here, we investigate the ability of using multiple co-occurring canopy-dominant species from a single location for climate reconstructions based in the eastern United States. Using a variety of techniques, we first compare the climate signals of three canopy-dominant species (Quercus rubra, Quercus alba, Liriodendron tulipifera ) at an old-growth forest in southern Indiana. We then determine if a composite time series of these co-occurring species increases or decreases the reconstruction model skill. Climate-growth correlation analysis of the species reveals strong and consistent relationships with summer [June-August (JJA)] Palmer Drought Severity Index (PDSI ) during the period 1895-2012. We first use a split-sample reconstruction technique to compare the performance of species reconstruction models. We then use a nested technique to build a composite chronology against which to compare the individual species chronologies. The composite chronology of all three species accounts for up to 38% of the mean variation in JJA PDSI, and verification statistics indicate robust statistical skill from 1870 to 2012. The composite chronology reconstruction also outperforms each individual species model, indicating that using multiple co-occurring species increases reconstruction skill, at least from a single study site. Furthermore, model performance is improved by using nested reconstruction techniques, and implicates the potential ability to use multiple co-occurring species across multiple locations in the eastern United States.","pubRank":"1"}],"site":[{"NOAASiteId":"58385","siteName":"Pioneer Mothers Memorial Forest","siteCode":null,"mappable":"Y","locationName":"Continent>North America>United States Of America>Indiana","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["38.536","-86.455"]},"properties":{"southernmostLatitude":"38.536","northernmostLatitude":"38.536","westernmostLongitude":"-86.455","easternmostLongitude":"-86.455","minElevationMeters":"221","maxElevationMeters":"221"}},"paleoData":[{"dataTableName":"IN004","NOAADataTableId":"42778","earliestYear":1717,"mostRecentYear":2012,"timeUnit":"CE","earliestYearBP":233,"mostRecentYearBP":-62,"earliestYearCE":1717,"mostRecentYearCE":2012,"coreLengthMeters":null,"dataTableNotes":null,"species":[{"speciesCode":"LITU","scientificName":"Liriodendron tulipifera L.","resourceId":null,"commonName":["tuliptree","yellow-poplar","tulip-poplar"]}],"dataFile":[{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/in004.txt","urlDescription":"Correlation Stats","linkText":"in004.txt","variables":[],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/in004.rwl","urlDescription":"Raw Measurements","linkText":"in004.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/northamerica/usa/in004-rwl-noaa.txt","urlDescription":"Raw Measurements - NOAA Template File","linkText":"in004-rwl-noaa.txt","variables":[{"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":"Tree ID: PMT04; 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