{"xmlId":"77082","NOAAStudyId":"35495","studyName":"Peltier - Southwest Ecological Memory Project Site A3 - PPTR - ITRDB AZ612","doi":"https://doi.org/10.25921/57ah-0v35","uuid":"3795bbb8-a253-499e-aa78-545c39ce7e72","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":"Peltier, D.M.P.; Yocom, L.L.; Nguyen, P.; Bangs, M.; Wilson, M.","investigatorDetails":[{"firstName":"Drew","lastName":"Peltier","initials":"D.M.P.","orcId":"0000-0003-3271-9055"},{"firstName":"Larissa","lastName":"Yocom","initials":"L.L.","orcId":null},{"firstName":"Phiyen","lastName":"Nguyen","initials":"P.","orcId":null},{"firstName":"Michael","lastName":"Bangs","initials":"M.","orcId":null},{"firstName":"Michelle","lastName":"Wilson","initials":"M.","orcId":null}],"version":"1.0","funding":[{"fundingAgency":"US National Science Foundation","fundingGrant":"1458867, 1643245"}],"studyNotes":"These tree ring data were collected to assess the climate memory of tree growth around the southwestern US in \"ecologically sampled\" trees. Trees were from a range of size classes and vigors, but were all dominant or co-dominant. NOAA Template Raw Measurements file added 2022-04-04.","onlineResourceLink":"https://www.ncei.noaa.gov/access/paleo-search/study/35495","difMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/dif/xml/noaa-tree-35495.xml","isoMetadataLink":"https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/iso/xml/noaa-tree-35495.xml","originalSource":null,"dataTypeInformation":"https://www.ncei.noaa.gov/products/paleoclimatology/tree-ring","studyCode":"AZ612","scienceKeywords":["quaking aspen","PPTR","Populus tremuloides Michx."],"reconstruction":"N","contributionDate":"2022-01-31","entryId":"noaa-tree-35495","earliestYearBP":12,"mostRecentYearBP":-66,"earliestYearCE":1938,"mostRecentYearCE":2016,"publication":[{"author":{"name":"Drew M.P. Peltier, Jessica Guo, Phiyen Nguyen, Michael Bangs, Michelle Wilson, Kimberly Samuels-Crow, Larissa L. Yocom, Yao Liu, Michael K. Fell, John D. Shaw, David Auty, Christopher Schwalm, William R.L. Anderegg, George W. Koch, Marcy E. Litvak, Kiona Ogle"},"pubYear":2022,"title":"Temperature memory and non-structural carbohydrates mediate legacies of a hot drought in trees across the southwestern USA","journal":"Tree Physiology","volume":"42","edition":null,"issue":"1","pages":"71-85","reportNumber":null,"citation":"Drew M.P. Peltier, Jessica Guo, Phiyen Nguyen, Michael Bangs, Michelle Wilson, Kimberly Samuels-Crow, Larissa L. Yocom, Yao Liu, Michael K. Fell, John D. Shaw, David Auty, Christopher Schwalm, William R.L. Anderegg, George W. Koch, Marcy E. Litvak, Kiona Ogle. 2022. Temperature memory and non-structural carbohydrates mediate legacies of a hot drought in trees across the southwestern USA. Tree Physiology, 42(1), 71-85. doi: 10.1093/treephys/tpab091","type":"publication","identifier":{"type":"doi","id":"10.1093/treephys/tpab091","url":"http://dx.doi.org/10.1093/treephys/tpab091"},"abstract":"Trees are long-lived organisms that integrate climate conditions across years or decades to produce secondary growth. This integration process is sometimes referred to as 'climatic memory.' While widely perceived, the physiological processes underlying this temporal integration, such as the storage and remobilization of non-structural carbohydrates (NSC), are rarely explicitly studied. This is perhaps most apparent when considering drought legacies (perturbed post-drought growth responses to climate), and the physiological mechanisms underlying these lagged responses to climatic extremes. Yet, drought legacies are likely to become more common if warming climate brings more frequent drought. To quantify the linkages between drought legacies, climate memory and NSC, we measured tree growth (via tree ring widths) and NSC concentrations in three dominant species across the southwestern USA. We analyzed these data with a hierarchical mixed effects model to evaluate the time-scales of influence of past climate (memory) on tree growth. We then evaluated the role of climate memory and the degree to which variation in NSC concentrations were related to forward-predicted growth during the hot 2011-2012 drought and subsequent 4-year recovery period. Populus tremuloides exhibited longer climatic memory compared to either Pinus edulis or Juniperus osteosperma, but following the 2011-2012 drought, P. tremuloides trees with relatively longer memory of temperature conditions showed larger (more negative) drought legacies. Conversely, Pinus edulis trees with longer temperature memory had smaller (less negative) drought legacies. For both species, higher NSC concentrations followed more negative (larger) drought legacies, though the relevant NSC fraction differed between P. tremuloides and P. edulis. Our results suggest that differences in tree NSC are also imprinted upon tree growth responses to climate across long time scales, which also underlie tree resilience to increasingly frequent drought events under climate change.","pubRank":"1"}],"site":[{"NOAASiteId":"59241","siteName":"Southwest Ecological Memory Project Site A3","siteCode":null,"mappable":"Y","locationName":"Continent>North America>United States Of America>Arizona","geo":{"geoType":"Feature","geometry":{"type":"POINT","coordinates":["34","-109.3"]},"properties":{"southernmostLatitude":"34","northernmostLatitude":"34","westernmostLongitude":"-109.3","easternmostLongitude":"-109.3","minElevationMeters":"2845","maxElevationMeters":"2845"}},"paleoData":[{"dataTableName":"AZ612","NOAADataTableId":"48079","earliestYear":1938,"mostRecentYear":2016,"timeUnit":"CE","earliestYearBP":12,"mostRecentYearBP":-66,"earliestYearCE":1938,"mostRecentYearCE":2016,"coreLengthMeters":null,"dataTableNotes":null,"species":[{"speciesCode":"PPTR","scientificName":"Populus tremuloides Michx.","resourceId":null,"commonName":["quaking aspen"]}],"dataFile":[{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/az612.txt","urlDescription":"Correlation Stats","linkText":"az612.txt","variables":[],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/az612.rwl","urlDescription":"Raw Measurements","linkText":"az612.rwl","variables":[{"cvDataType":"TREE RING","cvWhat":"age variable>age","cvMaterial":null,"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":"physical property>width>total ring width","cvMaterial":null,"cvError":null,"cvUnit":"length unit>millimeter","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999","cvFormat":"Numeric","cvShortName":"ringwidth"}],"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"]},{"fileUrl":"https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/az612-rwl-noaa.txt","urlDescription":"Raw Measurements - NOAA Template File","linkText":"az612-rwl-noaa.txt","variables":[{"cvDataType":"TREE RING","cvWhat":"age variable>age","cvMaterial":null,"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":"physical property>width>total ring width","cvMaterial":null,"cvError":null,"cvUnit":"length unit>millimeter","cvSeasonality":null,"cvDetail":null,"cvMethod":null,"cvAdditionalInfo":"Tree ID: AZA0301A; 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