{"xmlId":"84417","NOAAStudyId":"43321","studyName":"King - Republic Pass - PIEN - ITRDB WY076","doi":"https://doi.org/10.25921/c7y6-cr50","uuid":"79d7212c-a530-45ad-bfc9-2638b4c52799","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":"King, K.E.; Rochner, M.L.; Harley, G.L.","investigatorDetails":[{"firstName":"Karen","lastName":"King","initials":"K.E.","orcId":"0000-0002-9148-5562"},{"firstName":"Maegen","lastName":"Rochner","initials":"M.L.","orcId":"0000-0002-2340-5428"},{"firstName":"Grant","lastName":"Harley","initials":"G.L.","orcId":"0000-0003-1557-8465"}],"version":"1.0","funding":[],"studyNotes":null,"onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/43321","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-tree-43321.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-tree-43321.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/tree-ring","studyCode":"WY076","scienceKeywords":["Pinus engelmannii Carr.","PIEN","Apache pine"],"reconstruction":"N","contributionDate":"2025-09-16","entryId":"noaa-tree-43321","earliestYearBP":289,"mostRecentYearBP":-67,"earliestYearCE":1661,"mostRecentYearCE":2017,"publication":[{"author":{"name":"Karen J. Heeter, Maegen L. Rochner, Grant L. Harley"},"pubYear":2021,"title":"1,250 years of summer air temperature for the Greater Yellowstone Ecoregion (770-2019 CE)","journal":"Geophysical Research Letters","volume":null,"edition":null,"issue":null,"pages":null,"reportNumber":null,"citation":"Karen J. Heeter, Maegen L. Rochner, Grant L. Harley. 2021. 1,250 years of summer air temperature for the Greater Yellowstone Ecoregion (770-2019 CE). Geophysical Research Letters. . doi: 10.1029/2020GL092269","type":"publication","identifier":{"type":"doi","id":"10.1029/2020GL092269","url":"http://dx.doi.org/10.1029/2020GL092269"},"abstract":"Projected warming of global surface air temperatures will further exacerbate droughts, wildfires, and other agents of ecosystem stress. We use latewood blue intensity from high-elevation Picea engelmannii to reconstruct late-summer maximum air temperature for the Greater Yellowstone Ecoregion (GYE) spanning 770-2019 CE. Using a robust regression model (r2=0.60), the 1,250-year reconstruction reveals 2016 as the single-warmest year and the warming trend since ca. 2000 as the most intense. The Medieval Climate Anomaly contained the highest-ranking warm event (1050-1070 CE) and was characterized by substantial multi-decadal variability rather than a period of prolonged, homogeneous warming. We document regional expression of past warm and cool events, such as an anomalously warm period spanning the 15th-16th centuries, and the Maunder and Dalton minima of the Little Ice Age. Summer temperature variability across the GYE shows multi-centennial agreement with trends in solar irradiance, volcanic activity, snowpack, and other regional-to-hemispheric temperature records.","pubRank":"1"},{"author":{"name":"King, Karen E., Edward R. Cook, Kevin J. Anchukaitis, Benjamin I. Cook, Jason E. Smerdon, Richard Seager, Grant L. Harley, Benjamin Spei"},"pubYear":2024,"title":"Increasing prevalence of hot drought across western North America since the 16th century","journal":"Science Advances","volume":"10","edition":null,"issue":"4","pages":null,"reportNumber":"eadj4289","citation":"King, Karen E., Edward R. Cook, Kevin J. Anchukaitis, Benjamin I. Cook, Jason E. Smerdon, Richard Seager, Grant L. Harley, Benjamin Spei. 2024. Increasing prevalence of hot drought across western North America since the 16th century. Science Advances, 10(4), eadj4289. doi: 10.1126/sciadv.adj4289","type":"publication","identifier":{"type":"doi","id":"10.1126/sciadv.adj4289","url":"http://dx.doi.org/10.1126/sciadv.adj4289"},"abstract":null,"pubRank":"3"},{"author":{"name":"Heeter, Karen J.; Grant L. Harley; Justin T. Maxwell; Rob J. Wilson; John T. Abatzoglou; Shelly A. Rayback; Maegen L. Rochner; Katherine A. Kitchens"},"pubYear":2021,"title":"Summer temperature variability since 1730 CE across the low-to-mid latitudes of western North America from a tree ring blue intensity network","journal":"Quaternary Science Reviews","volume":null,"edition":null,"issue":null,"pages":null,"reportNumber":null,"citation":"Heeter, Karen J.; Grant L. Harley; Justin T. Maxwell; Rob J. Wilson; John T. Abatzoglou; Shelly A. Rayback; Maegen L. Rochner; Katherine A. Kitchens. 2021. Summer temperature variability since 1730 CE across the low-to-mid latitudes of western North America from a tree ring blue intensity network. Quaternary Science Reviews. . doi: 10.1016/j.quascirev.2021.107064","type":"publication","identifier":{"type":"doi","id":"10.1016/j.quascirev.2021.107064","url":"http://dx.doi.org/10.1016/j.quascirev.2021.107064"},"abstract":null,"pubRank":"2"}],"site":[{"NOAASiteId":"61921","siteName":"Republic Pass","siteCode":null,"mappable":"Y","locationName":"Continent>North America>United States Of America>Wyoming","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["44.98","-109.43"]},"properties":{"southernmostLatitude":"44.98","northernmostLatitude":"44.98","westernmostLongitude":"-109.43","easternmostLongitude":"-109.43","minElevationMeters":"3093","maxElevationMeters":"3093"}},"paleoData":[{"dataTableName":"WY076","NOAADataTableId":"58168","earliestYear":1661,"mostRecentYear":2017,"timeUnit":"CE","earliestYearBP":289,"mostRecentYearBP":-67,"earliestYearCE":1661,"mostRecentYearCE":2017,"coreLengthMeters":null,"dataTableNotes":null,"species":[{"speciesCode":"PIEN","scientificName":"Pinus engelmannii Carr.","resourceId":null,"commonName":["Apache pine"]}],"dataFile":[{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/wy076bl-rwl-noaa.txt","urlDescription":"Raw Measurements - NOAA Template File","linkText":"wy076bl-rwl-noaa.txt","variables":[{"cvDataType":"TREE RING","cvWhat":"age variable>age","cvMaterial":"biological material>tissue>wood>latewood","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":"electromagnetic property>reflectance>RGB color system>blue intensity","cvMaterial":"biological material>tissue>wood>latewood","cvError":null,"cvUnit":"dimensionless","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"Tree ID: RPS03A_2; 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