Peyto Lake Update, British Columbia Additional Site Information B.L. Coulthard K.J. Anchukaitis R.L. Brice I.K. Homfeld Measurement type: Earlywood ring width Location of core material: Laboratory of Tree-Ring Research, University of Arizona and Idaho Tree-Ring Lab, University of Idaho Notes: Update of an existing collection at Peyto Lake (ITRDB CANA097) COFECHA output: Chronology file name : Measurement file name : PEY EW_raw measurements Date checked : 05Jan21 Technician's name : I.K. Homfeld Supervisor's name : B.L. Coulthard Beginning year : 1811 Ending year : 2017 Principal investigators: B.L. Coulthard K.J. Anchukaitis Site name : Peyto Lake Update Site location : British Columbia, Canada Species information : PCEN Picea engelmannii Latitude : 5171 Longitude : -11651 Elevation : 2102M Series intercorrelation: 0.665 Avg mean sensitivity : 0.212 Avg standard deviation : 0.474 Avg autocorrelation : 0.857 Number dated series : 53 Segment length tested : 50 Number problem segments: 14 Pct problem segments : PART 5: CORRELATION OF SERIES BY SEGMENTS: 19:49 Tue 05 Jan 2021 Page 5 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under 0.3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1800 1825 1850 1875 1900 1925 1950 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PEY01BBU 1946 2017 .42 .41 .44 2 PEY02AAU 1862 2017 .18B .15B .32A .58 .62 .68 3 PEY02BBU 1893 2017 .35 .43 .72 .72 .69 4 PEY03AAU 1866 2017 .62 .65 .78 .81 .82 .78 5 PEY03BBU 1838 2017 .63 .68 .77 .77 .79 .79 .85 6 PEY04AAU 1859 2017 .49 .66 .72 .82 .78 .80 7 PEY04BBU 1859 2017 .54 .65 .72 .79 .73 .77 8 PEY05AAU 1854 2017 .60 .62 .72 .73 .64 .74 9 PEY05BBU 1829 2017 .52 .60 .69 .64 .76 .81 .80 10 PEY06AAU 1829 2017 .64 .69 .71 .64 .77 .84 .76 11 PEY06BBU 1847 2017 .70 .71 .75 .79 .89 .85 .81 12 PEY07AAU 1842 2017 .65 .68 .62 .72 .79 .65 .66 13 PEY07BBU 1834 2017 .57 .64 .76 .76 .78 .76 .82 14 PEY08AAU 1824 2017 .45 .45 .60 .72 .74 .79 .82 .81 15 PEY08BBU 1863 2017 .66 .71 .69 .74 .78 .80 16 PEY09AAU 1883 2017 .70 .75 .86 .80 .80 17 PEY09BBU 1872 2017 .59 .60 .69 .80 .82 .81 18 PEY10AAU 1811 2017 .28A .25A .49 .72 .73 .72 .74 .73 19 PEY10BBU 1857 2017 .47 .51 .55 .72 .75 .74 20 PEY11AAU 1919 2017 .55 .66 .79 .81 21 PEY11BBU 1915 2017 .29A .54 .72 .79 22 PEY12AAU 1841 2017 .57 .60 .76 .84 .86 .81 .84 23 PEY12BBU 1858 2017 .71 .78 .88 .86 .76 .82 24 PEY14AAU 1844 2017 .54 .54 .67 .71 .67 .61 .65 25 PEY14BBU 1867 2017 .68 .72 .70 .61 .64 .69 26 PEY15AAU 1862 2017 .59 .69 .79 .73 .68 .77 27 PEY15BBU 1878 2017 .66 .78 .80 .74 .81 28 PEY16AAU 1882 2017 .63 .73 .72 .70 .80 29 PEY16BBU 1883 2017 .47 .73 .83 .75 .75 30 PEY17AAU 1887 2017 .51 .53 .57 .60 .75 31 PEY17BBU 1880 2017 .76 .78 .65 .60 .74 32 PEY18AAU 1864 2017 .58 .64 .77 .79 .79 .85 33 PEY18BBU 1866 2017 .61 .65 .75 .76 .81 .88 34 PEY19AAU 1900 2017 .31A .68 .70 .76 35 PEY19BBU 1899 2017 .33 .32A .72 .77 .80 36 PEY20AAU 1893 2017 .39 .44 .58 .62 .64 37 PEY20BBU 1888 2017 .18B .31B .50 .59 .62 38 PEY21AAU 1916 2017 .32A .56 .61 .81 39 PEY22BBU 1864 2017 .57 .62 .62 .64 .53 .54 40 PEY23AAU 1835 2017 .73 .72 .68 .74 .83 .85 .81 41 PEY23BBU 1831 2017 .69 .73 .73 .72 .79 .85 .87 42 PEY24AAU 1815 2017 .49 .55 .55 .58 .52 .66 .80 .84 43 PEY24BBU 1825 2017 .50 .62 .70 .68 .78 .79 .80 44 PEY25BBU 1828 2017 .42 .60 .42 .33 .53 .36 .48 45 PEY26AAU 1874 2017 .68 .68 .74 .70 .73 .84 46 PEY26BBU 1861 2017 .32B .55 .54 .65 .69 .73 47 PEY27AAU 1829 2017 .09B .40 .65 .61 .71 .66 .62 48 PEY27BBU 1839 2017 .37 .59 .72 .60 .61 .71 .77 49 PEY28AAU 1876 2017 .65 .73 .75 .76 .83 50 PEY28BBU 1850 2017 .53 .74 .73 .83 .86 .86 51 PEY29BBU 1884 2017 .28A .44 .68 .71 .74 52 PEY30AAU 1870 2017 .57 .57 .56 .72 .75 .82 53 PEY30BBU 1878 2017 .51 .62 .80 .73 .62 Av segment correlation 0.41 0.52 0.58 0.61 0.63 0.72 0.72 0.76 PART 7: DESCRIPTIVE STATISTICS: 19:49 Tue 05 Jan 2021 Page 7 ------------------------------------------------------------------------------------------------------------------------------------ Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 PEY01BBU 1946 2017 72 3 0 0.442 1.40 2.38 0.375 0.566 0.201 0.51 0.232 0.007 1 2 PEY02AAU 1862 2017 156 6 3 0.454 1.02 2.05 0.341 0.779 0.189 0.82 0.272 0.007 1 3 PEY02BBU 1893 2017 125 5 0 0.591 1.23 2.11 0.288 0.709 0.138 0.55 0.171 -0.007 1 4 PEY03AAU 1866 2017 152 6 0 0.728 1.10 2.00 0.348 0.661 0.214 0.80 0.242 0.009 1 5 PEY03BBU 1838 2017 180 7 0 0.764 0.95 1.85 0.425 0.806 0.235 0.63 0.262 0.003 1 6 PEY04AAU 1859 2017 159 6 0 0.709 0.41 1.23 0.237 0.910 0.253 0.83 0.302 -0.019 1 7 PEY04BBU 1859 2017 159 6 0 0.702 0.31 0.82 0.254 0.957 0.280 0.64 0.317 0.003 1 8 PEY05AAU 1854 2017 164 6 0 0.692 0.95 2.33 0.595 0.945 0.188 0.45 0.216 0.005 1 9 PEY05BBU 1829 2017 189 7 0 0.690 0.92 1.91 0.485 0.898 0.196 0.56 0.237 0.018 1 10 PEY06AAU 1829 2017 189 7 0 0.712 0.76 2.06 0.458 0.881 0.246 0.85 0.285 0.001 1 11 PEY06BBU 1847 2017 171 7 0 0.777 0.88 2.49 0.534 0.874 0.234 0.77 0.277 -0.001 1 12 PEY07AAU 1842 2017 176 7 0 0.678 0.70 1.32 0.244 0.751 0.194 0.58 0.231 0.005 1 13 PEY07BBU 1834 2017 184 7 0 0.730 0.67 1.67 0.208 0.631 0.208 0.58 0.239 0.003 1 14 PEY08AAU 1824 2017 194 8 0 0.697 1.09 2.69 0.640 0.898 0.223 0.61 0.259 0.003 1 15 PEY08BBU 1863 2017 155 6 0 0.736 1.03 2.67 0.660 0.930 0.200 0.63 0.243 0.007 1 16 PEY09AAU 1883 2017 135 5 0 0.768 0.86 2.16 0.527 0.910 0.230 0.68 0.256 0.003 1 17 PEY09BBU 1872 2017 146 6 0 0.726 0.80 2.12 0.561 0.935 0.247 0.70 0.273 0.004 1 18 PEY10AAU 1811 2017 207 8 2 0.608 0.76 1.87 0.430 0.911 0.201 0.59 0.237 0.010 1 19 PEY10BBU 1857 2017 161 6 0 0.637 0.41 0.96 0.242 0.860 0.290 0.76 0.307 0.003 1 20 PEY11AAU 1919 2017 99 4 0 0.690 1.16 2.52 0.376 0.762 0.162 0.78 0.214 0.019 1 21 PEY11BBU 1915 2017 103 4 1 0.570 1.24 2.14 0.398 0.839 0.146 0.51 0.186 0.013 2 22 PEY12AAU 1841 2017 177 7 0 0.755 0.87 1.87 0.425 0.866 0.223 0.62 0.252 -0.001 1 23 PEY12BBU 1858 2017 160 6 0 0.804 1.11 2.19 0.412 0.803 0.202 0.63 0.240 -0.017 1 24 PEY14AAU 1844 2017 174 7 0 0.634 0.94 2.66 0.712 0.926 0.246 0.83 0.309 -0.014 1 25 PEY14BBU 1867 2017 151 6 0 0.659 0.75 3.23 0.560 0.902 0.241 0.75 0.322 -0.019 1 26 PEY15AAU 1862 2017 156 6 0 0.705 1.18 2.84 0.489 0.839 0.184 0.64 0.228 0.017 1 27 PEY15BBU 1878 2017 140 5 0 0.754 1.10 2.24 0.417 0.854 0.159 0.50 0.202 0.027 1 28 PEY16AAU 1882 2017 136 5 0 0.702 1.06 2.82 0.690 0.933 0.181 0.45 0.210 0.000 1 29 PEY16BBU 1883 2017 135 5 0 0.680 1.18 2.75 0.582 0.911 0.170 0.47 0.204 0.002 1 30 PEY17AAU 1887 2017 131 5 0 0.596 1.01 2.55 0.506 0.862 0.213 0.67 0.259 0.011 1 31 PEY17BBU 1880 2017 138 5 0 0.689 1.14 2.32 0.540 0.841 0.218 0.64 0.284 0.017 1 32 PEY18AAU 1864 2017 154 6 0 0.738 0.93 2.60 0.616 0.881 0.282 0.80 0.305 -0.003 1 33 PEY18BBU 1866 2017 152 6 0 0.747 0.75 2.53 0.524 0.922 0.238 0.79 0.285 -0.002 1 34 PEY19AAU 1900 2017 118 4 1 0.588 1.63 3.45 0.639 0.875 0.153 0.52 0.183 -0.004 2 35 PEY19BBU 1899 2017 119 5 1 0.614 1.28 2.28 0.460 0.816 0.183 0.61 0.244 0.042 1 36 PEY20AAU 1893 2017 125 5 0 0.556 1.77 4.25 0.800 0.900 0.162 0.47 0.189 0.006 1 37 PEY20BBU 1888 2017 130 5 2 0.453 1.48 4.22 0.715 0.882 0.157 0.41 0.200 0.001 1 38 PEY21AAU 1916 2017 102 4 1 0.582 1.14 2.08 0.428 0.904 0.137 0.35 0.170 0.008 1 39 PEY22BBU 1864 2017 154 6 0 0.566 0.91 2.57 0.469 0.883 0.202 0.66 0.256 -0.014 1 40 PEY23AAU 1835 2017 183 7 0 0.766 0.53 1.47 0.278 0.845 0.240 0.67 0.286 0.018 1 41 PEY23BBU 1831 2017 187 7 0 0.771 0.65 1.85 0.395 0.867 0.261 0.80 0.285 -0.002 1 42 PEY24AAU 1815 2017 203 8 0 0.626 0.88 1.98 0.440 0.866 0.229 0.64 0.265 0.009 1 43 PEY24BBU 1825 2017 193 7 0 0.698 0.78 2.06 0.450 0.845 0.258 0.76 0.304 0.000 1 44 PEY25BBU 1828 2017 190 7 0 0.444 0.77 1.72 0.324 0.818 0.204 0.87 0.245 -0.026 1 45 PEY26AAU 1874 2017 144 6 0 0.740 0.92 2.24 0.551 0.893 0.217 0.58 0.256 0.000 1 46 PEY26BBU 1861 2017 157 6 1 0.573 1.09 2.23 0.408 0.806 0.182 0.72 0.228 0.004 1 47 PEY27AAU 1829 2017 189 7 1 0.519 1.13 2.87 0.567 0.852 0.214 0.61 0.245 -0.006 2 48 PEY27BBU 1839 2017 179 7 0 0.609 1.09 3.05 0.463 0.845 0.167 0.58 0.213 -0.006 2 PART 7: DESCRIPTIVE STATISTICS: 19:49 Tue 05 Jan 2021 Page 8 ------------------------------------------------------------------------------------------------------------------------------------ Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 PEY28AAU 1876 2017 142 5 0 0.734 1.08 2.62 0.520 0.875 0.218 0.64 0.254 0.007 1 50 PEY28BBU 1850 2017 168 6 0 0.733 1.01 2.39 0.571 0.897 0.233 0.78 0.283 0.011 1 51 PEY29BBU 1884 2017 134 5 1 0.551 1.07 2.05 0.341 0.799 0.156 0.65 0.201 0.007 1 52 PEY30AAU 1870 2017 148 6 0 0.682 1.15 3.38 0.708 0.906 0.232 0.76 0.307 0.021 1 53 PEY30BBU 1878 2017 140 5 0 0.630 1.05 3.54 0.669 0.919 0.208 1.14 0.293 0.018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8185 314 14 0.665 0.95 4.25 0.474 0.857 0.212 1.14 0.253 0.003