{"NOAAStudyId":"1000351","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":"2013-04-10","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-1000351.xml","doi":"https://doi.org/10.25921/9k0v-v119","earliestYearBP":750,"earliestYearCE":1200,"entryId":"noaa-tree-1000351","funding":[],"investigators":"Sauchyn, D.J.; Vanstone, J.; Perez-Valdivia, C.","mostRecentYearBP":-37,"mostRecentYearCE":1987,"onlineResourceLink":"https://www.ncdc.noaa.gov/paleo/study/1000351","originalSource":null,"publication":[{"abstract":"In this paper the mean water year (October through September) flow of the North Saskatchewan River (NSR) at Edmonton, Alberta is reconstructed back to 1063 A.D. using a new network of moisture-sensitive tree-ring chronologies from limber pine and Douglas fir at seven sites in the headwater sub-basins of the North Saskatchewan River Basin (NSRB). Over the full extent of the proxy hydrometric record (1063-2007), we examined 1) the duration and severity of low flow, 2) the dominant frequencies of periodic variability and 3) the correlation between these significant periodicities in proxy streamflow and climate indices, specifically sea surface temperature oscillations, which are known drivers of regional hydroclimatic variability. This new record of the paleohydrology of the NSRB is compared to previous tree-ring reconstructions of the annul flow of the North and South Saskatchewan Rivers. Extending the reference hydrology for the basin from decades to centuries changes perceptions of the reliability of the water supply and understanding of the hydroclimatic variability. The gauge record not does represent the full extent of interannual to multidecadal variability in the tree-ring data; there are periods of low flow in the pre-instrumental record that are longer and more severe than those recorded by the gauge.","author":null,"citation":"Sauchyn, D., J. Vanstone, and C. Perez-Valdivia. 2011. \r\nModes and Forcing of Hydroclimatic Variability in the Upper \r\nNorth Saskatchewan River Basin Since 1063.\r\nCanadian Water Resources Journal, Vol. 36, No. 3, pp. 205-217. \r\ndoi: 10.4296/cwrj3603889","edition":null,"identifier":{"id":"10.4296/cwrj3603889","type":"doi","url":"http://dx.doi.org/10.4296/cwrj3603889"},"issue":null,"journal":"Canadian Water Resources Journal","pages":null,"pubRank":"1","pubYear":2011,"reportNumber":null,"title":"Modes and Forcing of Hydroclimatic Variability in the Upper  North Saskatchewan River Basin Since 1063","type":"publication","volume":null}],"reconstruction":"N","scienceKeywords":["PAGES 2k Network","PAGES NAmerica 2k"],"site":[{"NOAASiteId":"54401","geo":{"geoType":"Feature","geometry":{"coordinates":["52.048","-116.398"],"type":"POINT"},"properties":{"easternmostLongitude":"-116.398","maxElevationMeters":"1390","minElevationMeters":"1390","northernmostLatitude":"52.048","southernmostLatitude":"52.048","westernmostLongitude":"-116.398"}},"locationName":"Continent>North America>Canada>Alberta","mappable":"Y","paleoData":[{"NOAADataTableId":"1000441","coreLengthMeters":null,"dataFile":[{"NOAAKeywords":["earth science>paleoclimate>tree-ring>width>ring width"],"fileUrl":"https://www1.ncdc.noaa.gov/pub/data/paleo/reconstructions/pages2k/namerica2k/nam-tr_49-cana328-1200-1987.txt","linkText":"nam-tr_49-cana328-1200-1987.txt","urlDescription":"Data","variables":[]}],"dataTableName":"NAm-TR_49-cana328-1200-1987","dataTableNotes":"PAGES ID: NAm-TR_49; Correlation with Temperature: negative","earliestYear":1200,"earliestYearBP":750,"earliestYearCE":1200,"mostRecentYear":1987,"mostRecentYearBP":-37,"mostRecentYearCE":1987,"species":[{"commonName":["limber pine"],"scientificName":"Pinus flexilis E. James","speciesCode":"PIFL"}],"timeUnit":"AD"}],"siteName":"Siffleur Ridge"}],"studyCode":"CANA328","studyName":"Sauchyn - Siffleur Ridge - PIFL - CANA328, PAGES North America 2K Version","studyNotes":null,"version":"1.0","xmlId":"12865"}