{"NOAAStudyId":"18320","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":"2015-04-01","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-18320.xml","doi":"https://doi.org/10.25921/7ch6-zf50","earliestYearBP":670,"earliestYearCE":1280,"entryId":"noaa-tree-18320","funding":[],"investigators":"Krusic, P.J.; Cook, E.R.; Dukpa, D.","mostRecentYearBP":-63,"mostRecentYearCE":2013,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/18320","originalSource":null,"publication":[{"abstract":"High-resolution tree-ring reconstructions from the Himalaya provide essential context for assessing impacts of future climate change on regional water reserves and downstream agriculture. Here we evaluate a small network of tree-ring chronologies from Bhutan to produce a 638-year summer temperature reconstruction, from 1376 - 2013 CE. Relative to the 1950 - 2013 CE average summer temperature three prominent cold periods stand out, 2 in the mid 15th century, and one in the late 17th century. The warmest period began in the first decade of the 21st century coinciding with the timing of general glacier recession in the eastern Himalaya that continues to the present. The Bhutan temperature reconstruction exhibits a significant correlation to known volcanic eruptions (p = 97%) and anomalously cold periods appear to align with solar irradiance minima in the 15th, late 17th and early 19th centuries, implying a link between solar variability and decadal-scale temperature variability.","author":{"name":"Krusic, P.J., E.R. Cook, D. Dukpa, A. Putnam, S. Rupper, and J. Schaefer"},"citation":"Krusic, P.J., E.R. Cook, D. Dukpa, A. Putnam, S. Rupper, and J. Schaefer. 2015. 638 years of summer temperature variability over the Bhutanese Himalaya. Geophysical Research Letters. . doi: 10.1002/2015GL063566","edition":null,"identifier":{"id":"10.1002/2015GL063566","type":"doi","url":"http://dx.doi.org/10.1002/2015GL063566"},"issue":null,"journal":"Geophysical Research Letters","pages":null,"pubRank":"1","pubYear":2015,"reportNumber":null,"title":"638 years of summer temperature variability over the Bhutanese Himalaya","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["Sikkim spruce","xi ma la ya yun shan","Picea spinulosa (Griff.) Beissn. ","PCSN"],"site":[{"NOAASiteId":"56503","geo":{"geoType":"Feature","geometry":{"coordinates":["27.4223","90.9675"],"type":"POINT"},"properties":{"easternmostLongitude":"90.9675","maxElevationMeters":"3268","minElevationMeters":"3268","northernmostLatitude":"27.4223","southernmostLatitude":"27.4223","westernmostLongitude":"90.9675"}},"locationName":"Continent>Asia>Southcentral Asia>Bhutan","mappable":"Y","paleoData":[{"NOAADataTableId":"28719","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/bt021.txt","linkText":"bt021.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/asia/bt021.rwl","linkText":"bt021.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/asia/bt021-noaa.rwl","linkText":"bt021-noaa.rwl","urlDescription":"Raw Measurements - NOAA Template File","variables":[{"cvAdditionalInfo":"Tree ID: ura36a; 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