{"NOAAStudyId":"20771","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":"2016-11-14","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-20771.xml","doi":"https://doi.org/10.25921/wg7f-4c28","earliestYearBP":124,"earliestYearCE":1826,"entryId":"noaa-tree-20771","funding":[],"investigators":"King, C.; Cheek, J.; LaMere, K.","mostRecentYearBP":-65,"mostRecentYearCE":2015,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/20771","originalSource":null,"publication":[{"abstract":"Evidence indicates that the structure of Oklahoma Cross Timbers forests are in transition due to changing climate, land-use patterns, and fire suppression efforts. However, only a handful of studies have addressed the history of fire across the Oklahoma Cross Timbers landscape. This research adds to the body of literature by studying the contemporary forest structure and fire history at Lake Arcadia in Oklahoma County, Oklahoma. Results demonstrate that post oak (Quercus stellata Wangenh.) and blackjack oak (Q. marilandica Münchh.), two common species in Oklahoma Cross Timbers, dominate the forest. However, several mesophytic tree species are found in the overstory as well as the sapling layer of the forest. A total of 25 fire events (mean fire interval = 4.14 years) were documented during the 20th century using fire-scar analysis of Q. stellata trees and remnant wood (stumps, snags, recently dead trees). High fire frequencies in the early to mid-20th century corresponded to the recruitment of Q. stellata and Q. marilandica. Wet conditions (PDSI > 0) during the late 20th century and no fires after 1985 corresponded to the recruitment of non-oak, mesophytic species at the study site. The results of this study suggest that changes in fire frequency and moisture availability are contributing to changes in tree density and species composition at the study site.","author":{"name":"Chad B. King"},"citation":"Chad B. King. 2015. Forest structure and fire history at Lake Arcadia, Oklahoma County, Oklahoma (1820-2014). Oklahoma Native Plant Record, 15(1), 19-30. ","edition":null,"identifier":{"id":"N/A","type":"online resource","url":"http://ojs.library.okstate.edu/osu/index.php/ONPR/article/view/6279"},"issue":"1","journal":"Oklahoma Native Plant Record","pages":"19-30","pubRank":"1","pubYear":2015,"reportNumber":null,"title":"Forest structure and fire history at Lake Arcadia, Oklahoma County, Oklahoma (1820-2014)","type":"publication","volume":"15"}],"reconstruction":"N","scienceKeywords":["QUST","post oak","Quercus stellata Wangenh."],"site":[{"NOAASiteId":"56912","geo":{"geoType":"Feature","geometry":{"coordinates":["35.6227","-97.3846"],"type":"POINT"},"properties":{"easternmostLongitude":"-97.3846","maxElevationMeters":"1060","minElevationMeters":"1060","northernmostLatitude":"35.6227","southernmostLatitude":"35.6227","westernmostLongitude":"-97.3846"}},"locationName":"Continent>North America>United States Of America>Oklahoma","mappable":"Y","paleoData":[{"NOAADataTableId":"31504","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/ok044.txt","linkText":"ok044.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/ok044.rwl","linkText":"ok044.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/ok044-noaa.rwl","linkText":"ok044-noaa.rwl","urlDescription":"Raw Measurements - NOAA Template File","variables":[{"cvAdditionalInfo":"Tree ID: sal043; 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Data set includes ring-width measurements of pre-1930 increment core samples from the study site. Some measurements arise from remnant post oak at the study site. An additional set of increment cores were collected in 2015. NOAA Template Raw Measurements file added 2019-02-08.","version":"1.0","xmlId":"18607"}