{"NOAAStudyId":"22160","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":"2016-10-20","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-22160.xml","doi":"https://doi.org/10.25921/6eg1-w806","earliestYearBP":28,"earliestYearCE":1922,"entryId":"noaa-tree-22160","funding":[],"investigators":"Dietrich, R.","mostRecentYearBP":-60,"mostRecentYearCE":2010,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/22160","originalSource":null,"publication":[{"abstract":"Rises in atmospheric carbon dioxide (atmCO2) levels are known to stimulate photosynthesis and increase intrinsic water-use efficiency (iWUE) in trees. Stand-level increases in iWUE depend on the physiological response of dominant species to increases in atmCO2, while tree-level response to increasing atmCO2 depends on the balance between the direct effects of atmCO2 on photosynthetic rate and the indirect effects of atmCO2 on drought conditions. The aim of this study was to characterize the response of boreal jack pine (Pinus banksiana) stands in Northern Ontario to changes in atmCO2 and associated climatic change over the past 100 years. The impact of changes in growing season length, temperature, and precipitation, as well as atmCO2 on tree growth, was determined using stable carbon isotopes and dendrochronological analysis. Jack pine stands in this study were shown to be in progressive decline. As expected, iWUE was found to increase in association with rising atmCO2. However, increases in iWUE were not directly coupled with atmCO2, suggesting that the degree of iWUE improvement is limited by alternative factors. Water-use efficiency was negatively associated with tree growth, suggesting that warming- and drought-induced stomatal closure has likely led to deviations from expected atmCO2-enhanced growth. This finding corroborates that boreal forest stands are likely to face continued stress under future climatic warming.","author":{"name":"Rachel Dietrich, F. Wayne Bell, Lucas C. R. Silva, Alice Cecile, William R. Horwath, Madhur Anand"},"citation":"Rachel Dietrich, F. Wayne Bell, Lucas C. R. Silva, Alice Cecile, William R. Horwath, Madhur Anand. 2016. Climatic sensitivity, water-use efficiency, and growth decline in boreal jack pine (Pinus banksiana) forests in Northern Ontario. Journal of Geophysical Research: Biogeosciences, 121(10), 2761-2774. doi: 10.1002/2016JG003440","edition":null,"identifier":{"id":"10.1002/2016JG003440","type":"doi","url":"http://dx.doi.org/10.1002/2016JG003440"},"issue":"10","journal":"Journal of Geophysical Research: Biogeosciences","pages":"2761-2774","pubRank":"1","pubYear":2016,"reportNumber":null,"title":"Climatic sensitivity, water-use efficiency, and growth decline in boreal jack pine (Pinus banksiana) forests in Northern Ontario","type":"publication","volume":"121"}],"reconstruction":"N","scienceKeywords":["jack pine","Pinus banksiana Lamb.","PIBN"],"site":[{"NOAASiteId":"57229","geo":{"geoType":"Feature","geometry":{"coordinates":["49.7833","-91.1667"],"type":"POINT"},"properties":{"easternmostLongitude":"-91.1667","maxElevationMeters":null,"minElevationMeters":null,"northernmostLatitude":"49.7833","southernmostLatitude":"49.7833","westernmostLongitude":"-91.1667"}},"locationName":"Continent>North America>Canada>Ontario","mappable":"Y","paleoData":[{"NOAADataTableId":"33285","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/cana554.txt","linkText":"cana554.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/canada/cana554.rwl","linkText":"cana554.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/canada/cana554-noaa.rwl","linkText":"cana554-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: F02011; 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NOAA Template Raw Measurements file added 2019-02-04.","version":"1.0","xmlId":"20190"}