{"NOAAStudyId":"13712","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":"2012-07-16","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-13712.xml","doi":"https://doi.org/10.25921/gvj2-3068","earliestYearBP":626,"earliestYearCE":1324,"entryId":"noaa-tree-13712","funding":[],"investigators":"Wiles, G.; Mennett, C.R.; Jarvis, S.K.; D'Arrigo, R.D.; Wiesenberg, N.; Lawson, D.E.","mostRecentYearBP":-59,"mostRecentYearCE":2009,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/13712","originalSource":null,"publication":[{"abstract":"Yellow-cedar (Callitropsis nootkatensis (D. Don) Orsted ex D.P. Little) is in a century-long decline coinciding with the end of the Little Ice Age (LIA). The leading hypothesis explaining this decline is a decrease in insulating snowpack due to warming and increased susceptibility to damaging frosts in the root zone. A ring-width series from yellow-cedar on Excursion Ridge (260 m a.s.l.) in Glacier Bay National Park and Preserve, Alaska, and another from trees on Pleasant Island (150 m a.s.l.) in the Tongass National Forest in Icy Strait were compared with regional monthly temperature and precipitation data from Sitka, Alaska, to investigate the changing growth response to temperature at these sites. Comparisons with monthly temperatures from 1832 to 1876 during the end of the Little Ice Age show that the high-elevation Excursion Ridge and the low-elevation Pleasant Island sites strongly favored warmer January through July temperatures. Both tree populations have markedly changed their response from a positive to a strong negative correlation with January through July temperatures since 1950. This strong negative response to warming by the yellow-cedar together with a positive relationship with total March and April precipitation suggests that these yellow-cedar sites may be susceptible to decline. Furthermore, these analyses are consistent with the hypothesis that the yellow-cedar decline is linked to decreased snowpack.","author":null,"citation":"Wiles, G.C., Mennett, C., Jarvis, S.K., Lawson, D. and D'Arrigo, R, 2012.  \r\nDecline in Alaskan Yellow-Cedar: tree-ring investigations into climatic \r\nresponses and possible causes: Glacier Bay, Alaska \r\nCanadian Journal of Forest Research, 42: 1-6, 2012 \r\ndoi:10.1139/X2012-028","edition":null,"identifier":{"id":"10.1139/X2012-028","type":"doi","url":"http://dx.doi.org/10.1139/X2012-028"},"issue":null,"journal":"Canadian Journal of Forest Research","pages":null,"pubRank":"1","pubYear":2012,"reportNumber":null,"title":"Decline in Alaskan Yellow-Cedar: tree-ring investigations into climatic  responses and possible causes: Glacier Bay, Alaska","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["CHNO","Alaska yellow-cedar","Nootka cypress","Chamaecyparis nootkatensis (D. Don) Spach"],"site":[{"NOAASiteId":"54353","geo":{"geoType":"Feature","geometry":{"coordinates":["58.343","-135.571"],"type":"POINT"},"properties":{"easternmostLongitude":"-135.571","maxElevationMeters":"150","minElevationMeters":"150","northernmostLatitude":"58.343","southernmostLatitude":"58.343","westernmostLongitude":"-135.571"}},"locationName":"Continent>North America>United States Of America>Alaska","mappable":"Y","paleoData":[{"NOAADataTableId":"23399","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/ak119.txt","linkText":"ak119.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/ak119.rwl","linkText":"ak119.rwl","urlDescription":"Raw 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