# Sauchyn - Whirlpool Point - PIFL - CANA330, PAGES North America 2k Version #----------------------------------------------------------------------- # World Data Center for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite original publication, online resource and date accessed when using these data, # If there is no publication information, please cite investigator, title, online resource and date accessed. # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/1000352 # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/reconstructions/pages2k/namerica2k/nam-tr_50-cana330-1200-1987.txt # Original_Source_URL: https://www.ncdc.noaa.gov/paleo/study/13762 # # Archive: Tree Ring #------------------- # Contribution_Date # Date: 2013-05-15 #------------------- # Title: Sauchyn - Whirlpool Point - PIFL - CANA330, PAGES North America 2k Version #------------------- # Investigators: Sauchyn, D.J.; Vanstone, J.; Perez-Valdivia, C. #------------------- # Description_Notes_and_Keywords # Description: # #------------------- # Publication # Authors: Sauchyn, D., J. Vanstone, and C. Perez-Valdivia. 2011. Modes and Forcing of Hydroclimatic Variability in the Upper North Saskatchewan River Basin Since 1063. Canadian Water Resources Journal, Vol. 36, No. 3, pp. 205-217. doi: 10.4296/cwrj3603889 # Journal_Name: Canadian Water Resources Journal # Published_Title: Modes and Forcing of Hydroclimatic Variability in the Upper North Saskatchewan River Basin Since 1063 # Published_Date_or_Year: 2011 # Volume: 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. # Pages: # DOI: 10.4296/cwrj3603889 # Full_Citation: # Abstract: #------------------- # Site Information # Site_Name: Whirlpool Point DJS # Northernmost_Latitude: 52 # Southernmost_Latitude: 52 # Easternmost_Longitude: -116.45 # Westernmost_Longitude: -116.45 # Elevation: 1356 #------------------- # Data Collection # Collection_Name: NAm-TR_50-cana330-1200-1987 # First_Year: 1200 # Last_Year: 1987 # Time_Unit: AD # Notes: #------------------- # Species # Species_Name: Pinus flexilis E. James # Common_Name: limber pine #------------------- # Variables # variables format: shortname 9 var components: what,material,error,units,season,archive,detail,method, C or N for Char or Numeric data ## age_AD Age,,,years AD,,,,,N ## trsgi.0mean Tree Ring Standardized Growth Index,,,unitless,,Tree Ring,mean of zero,,N # #-------------------------- # Data # Missing Value: -999 age_AD trsgi.0mean 1200 2.032484789 1201 .688179695 1202 2.171632159 1203 -1.340070096 1204 -.53348704 1205 1.589099951 1206 1.405142412 1207 -.46980943 1208 -1.021682048 1209 -1.285826206 1210 -.134912371 1211 .907513684 1212 -.993380888 1213 -.901402118 1214 -.085385342 1215 -.719803009 1216 .353282637 1217 .077346328 1218 .407526526 1219 -.38254752 1220 -1.380163406 1221 -.847158228 1222 -1.137245117 1223 -.599523079 1224 -.163213531 1225 -.958004438 1226 .763649455 1227 .652803245 1228 .669312255 1229 .244794857 1230 1.334389512 1231 -.889609968 1232 1.9310723 1233 2.329646968 1234 -.757537889 1235 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