{"NOAAStudyId":"19280","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":"2015-09-03","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-19280.xml","doi":"https://doi.org/10.25921/x84g-ny11","earliestYearBP":1108,"earliestYearCE":842,"entryId":"noaa-tree-19280","funding":[],"investigators":"Guiterman, C.H.; Baisan, C.H.; Dean, J.S.","mostRecentYearBP":-60,"mostRecentYearCE":2010,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/19280","originalSource":null,"publication":[{"abstract":"An enduring mystery from the great houses of Chaco Canyon is the origin of more than 240,000 construction timbers. We evaluate probable timber procurement areas for seven great houses by applying tree-ring width-based sourcing to a set of 170 timbers. To our knowledge, this is the first use of tree rings to assess timber origins in the southwestern United States. We found that the Chuska and Zuni Mountains (>75 km distant) were the most likely sources, accounting for 70% of timbers. Most notably, procurement areas changed through time. Before 1020 Common Era (CE) nearly all timbers originated from the Zunis (a previously unrecognized source), but by 1060 CE the Chuskas eclipsed the Zuni area in total wood imports. This shift occurred at the onset of Chaco florescence in the 11th century, a time with substantial expansion of existing great houses and the addition of seven new great houses in the Chaco Core area. It also coincides with the proliferation of Chuskan stone tools and pottery in the archaeological record of Chaco Canyon, further underscoring the link between land use and occupation in the Chuska area and the peak of great house construction. Our findings, based on the most temporally specific and replicated evidence of Chacoan resource procurement obtained to date, corroborate the long-standing but recently challenged interpretation that large numbers of timbers were harvested and transported from distant mountain ranges to build the great houses at Chaco Canyon. ","author":{"name":"Christopher H. Guiterman, Thomas W. Swetnam, and Jeffrey S. Dean"},"citation":"Christopher H. Guiterman, Thomas W. Swetnam, and Jeffrey S. Dean. 2016. Eleventh-century shift in timber procurement areas for the great houses of Chaco Canyon. Proceedings of the National Academy of Sciences, 113(5), 1186-1190. doi: 10.1073/pnas.1514272112","edition":null,"identifier":{"id":"10.1073/pnas.1514272112","type":"doi","url":"http://dx.doi.org/10.1073/pnas.1514272112"},"issue":"5","journal":"Proceedings of the National Academy of Sciences","pages":"1186-1190","pubRank":"1","pubYear":2016,"reportNumber":null,"title":"Eleventh-century shift in timber procurement areas for the great houses of Chaco Canyon","type":"publication","volume":"113"}],"reconstruction":"N","scienceKeywords":["Pinus ponderosa Douglas ex C. Lawson","PIPO","ponderosa pine","western yellow pine"],"site":[{"NOAASiteId":"56582","geo":{"geoType":"Feature","geometry":{"coordinates":["36.094","-108.866"],"type":"POINT"},"properties":{"easternmostLongitude":"-108.866","maxElevationMeters":"2650","minElevationMeters":"2650","northernmostLatitude":"36.094","southernmostLatitude":"36.094","westernmostLongitude":"-108.866"}},"locationName":"Continent>North America>United States Of America>New Mexico","mappable":"Y","paleoData":[{"NOAADataTableId":"29779","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/nm589.txt","linkText":"nm589.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/nm589.rwl","linkText":"nm589.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/nm589-noaa.rwl","linkText":"nm589-noaa.rwl","urlDescription":"Raw Measurements - NOAA Template File","variables":[{"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: CER108A; 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