{"NOAAStudyId":"25191","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":"2018-09-15","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-25191.xml","doi":"https://doi.org/10.25921/7t74-1b49","earliestYearBP":384,"earliestYearCE":1566,"entryId":"noaa-tree-25191","funding":[],"investigators":"Appleton, S.N.; Smoter, E.; St. George, S.","mostRecentYearBP":-62,"mostRecentYearCE":2012,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/25191","originalSource":null,"publication":[{"abstract":"Snow dominates the hydrology and climate of the United States' central Pacific Coast, but because local measurements of snowpack and winter precipitation often extend back only a few decades, observations by themselves are not adequate to describe potential amplitude of wintertime conditions. Here we present a set of updated and extended mountain hemlock (Tsuga mertensiana [Bong.] Carr.) tree-ring width records from Crater Lake National Park, Oregon, and use these data to make inferences about snowpack prior to the start of instrumental monitoring. In July and August 2013, we collected cores from 228 trees at seven high-elevation hemlock stands that surround the crater's rim. The oldest tree had an inner ring date of A.D. 1474, and the longest ring-width chronology maintained a satisfactory common signal back to the middle of the 16th century. The growth of high-elevation mountain hemlock is strongly and inversely related to cool-season precipitation, making these records some of the most southerly examples of a robust inverse cool-season moisture signal in North American tree rings. The growth of these snow-limited forests does not appear to have been affected by the substantial decline in spring snowpack observed in the past two decades across the broader Cascade Range, and we did not find any indication of changing relationships between tree growth and either monthly or seasonal winter precipitation since the early 1990s. The exceptional three-year sequence in Crater Lake tree rings between A.D. 1809 and 1811, which includes the narrowest ring since A.D. 1540 and anatomical abnormalities produced by cold weather, leads us to conclude that 1809-1810 was the most snowy and severe winter to affect south-central Oregon during the past four and a half centuries.","author":{"name":"Sarah N. Appleton, Scott St. George"},"citation":"Sarah N. Appleton, Scott St. George. 2018. High-elevation mountain hemlock growth as a surrogate for cool-season precipitation in Crater Lake National Park, USA. Dendrochronologia. . doi: 10.1016/j.dendro.2018.09.003","edition":null,"identifier":{"id":"10.1016/j.dendro.2018.09.003","type":"doi","url":"http://dx.doi.org/10.1016/j.dendro.2018.09.003"},"issue":null,"journal":"Dendrochronologia","pages":null,"pubRank":"1","pubYear":2018,"reportNumber":null,"title":"High-elevation mountain hemlock growth as a surrogate for cool-season precipitation in Crater Lake National Park, USA","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["Tsuga mertensiana (Bong.) Carrière","TSME","mountain hemlock"],"site":[{"NOAASiteId":"57722","geo":{"geoType":"Feature","geometry":{"coordinates":["42.97","-122.15"],"type":"POINT"},"properties":{"easternmostLongitude":"-122.15","maxElevationMeters":"2221","minElevationMeters":"2221","northernmostLatitude":"42.97","southernmostLatitude":"42.97","westernmostLongitude":"-122.15"}},"locationName":"Continent>North America>United States Of America>Oregon","mappable":"Y","paleoData":[{"NOAADataTableId":"36994","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/or099.txt","linkText":"or099.txt","urlDescription":"Correlation Stats","variables":[]},{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/or099.rwl","linkText":"or099.rwl","urlDescription":"Raw Measurements","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":"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":null,"cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"}]},{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/or099-noaa.rwl","linkText":"or099-noaa.rwl","urlDescription":"Raw Measurements - NOAA Template File","variables":[{"cvAdditionalInfo":"Tree ID: LLR33A; 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":"LLR33A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":null,"cvDataType":"TREE RING","cvDetail":null,"cvError":null,"cvFormat":"Numeric","cvMaterial":null,"cvMethod":null,"cvSeasonality":null,"cvShortName":"age_CE","cvUnit":"year Common Era","cvWhat":"age variable>age"},{"cvAdditionalInfo":"Tree ID: LLR01A; 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":"LLR01A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR01B; 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":"LLR01B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR02A; 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":"LLR02A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR02B; 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":"LLR02B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR03A; 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":"LLR03A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR03B; 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":"LLR03B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR04A; 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":"LLR04A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR04B; 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":"LLR04B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR05A; 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":"LLR05A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR05B; 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":"LLR05B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR06A; 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":"LLR06A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR06B; 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":"LLR06B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR07A; 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":"LLR07A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR07B; 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":"LLR07B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR08A; 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":"LLR08A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR08B; 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":"LLR08B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR09A; 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":"LLR09A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR09B; 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":"LLR09B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR10A; 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":"LLR10A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR10B; 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":"LLR10B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR11A; 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":"LLR11A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR11B; 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":"LLR11B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR12A; 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":"LLR12A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR12B; 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":"LLR12B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR13A; 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":"LLR13A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR13B; 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":"LLR13B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR14A; 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":"LLR14A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR14B; 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":"LLR14B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR15A; 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":"LLR15A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR15B; 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":"LLR15B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR16A; 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":"LLR16A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR16B; 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":"LLR16B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR17A; 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":"LLR17A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR17B; 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":"LLR17B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR18A; 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":"LLR18A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR18B; 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":"LLR18B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR19A; 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":"LLR19A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR19B; 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":"LLR19B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR20A; 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":"LLR20A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR20B; 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":"LLR20B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR21A; 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":"LLR21A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR21B; 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":"LLR21B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR21C; 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":"LLR21C_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR22A; 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":"LLR22A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR22B; 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":"LLR22B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR23A; 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":"LLR23A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR23B; 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":"LLR23B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR24A; 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":"LLR24A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR24B; 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":"LLR24B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR25A; 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":"LLR25A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR25B; 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":"LLR25B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR26A; 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":"LLR26A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR26B; 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":"LLR26B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR27A; 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":"LLR27A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR27B; 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":"LLR27B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR28A; 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":"LLR28A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR28B; 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":"LLR28B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR28C; 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":"LLR28C_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR29A; 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":"LLR29A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR29B; 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":"LLR29B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR30A; 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":"LLR30A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR30B; 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":"LLR30B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR31A; 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":"LLR31A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR31B; 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":"LLR31B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR32A; 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":"LLR32A_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR32B; 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":"LLR32B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"},{"cvAdditionalInfo":"Tree ID: LLR33B; 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":"LLR33B_raw","cvUnit":"millimeter","cvWhat":"physical property>length>total ring width"}]}],"dataTableName":"OR099","dataTableNotes":null,"earliestYear":1566,"earliestYearBP":384,"earliestYearCE":1566,"mostRecentYear":2012,"mostRecentYearBP":-62,"mostRecentYearCE":2012,"species":[{"commonName":["mountain hemlock"],"scientificName":"Tsuga mertensiana (Bong.) Carrière","speciesCode":"TSME"}],"timeUnit":"AD"}],"siteName":"Llao Rock"}],"studyCode":"OR099","studyName":"Appleton - Llao Rock - TSME - ITRDB OR099","studyNotes":"NOAA Template Raw Measurements file added 2019-02-08.","version":"1.0","xmlId":"23334"}