Peyto Lake Update, British Columbia Additional Site Information B.L. Coulthard K.J. Anchukaitis R.L. Brice I.K. Homfeld Measurement type: Total 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 TRW_raw measurements Date checked : 02Jun21 Technician's name : I.K. Homfeld Supervisor's name : B.L. Coulthard Beginning year : 1634 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: 0.653 Avg mean sensitivity : 0.188 Avg standard deviation : 0.478 Avg autocorrelation : 0.832 Number dated series : 72 Segment length tested : 50 Number problem segments: 20 Pct problem segments : PART 5: CORRELATION OF SERIES BY SEGMENTS: 11:56 Wed 02 Jun 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PEY01B 1946 2017 .46 .43 .46 2 PEY02A 1862 2017 .16B .10B .34 .60 .66 .70 3 PEY02B 1893 2017 .40 .44 .72 .74 .73 4 PEY03A 1866 2017 .61 .68 .76 .78 .81 .78 5 PEY03B 1838 2017 .50 .58 .73 .75 .78 .79 .84 6 PEY04A 1859 2017 .51 .67 .73 .76 .74 .79 7 PEY04B 1859 2017 .62 .71 .73 .78 .74 .79 8 PEY05A 1854 2017 .59 .67 .74 .72 .68 .79 9 PEY05B 1829 2017 .47 .60 .70 .68 .76 .81 .81 10 PEY06A 1829 2017 .70 .77 .73 .65 .77 .83 .76 11 PEY06B 1847 2017 .68 .69 .76 .80 .88 .81 .77 12 PEY07A 1842 2017 .68 .67 .66 .72 .74 .62 .64 13 PEY07B 1834 2017 .52 .65 .70 .74 .72 .65 .77 14 PEY08A 1824 2017 .23B .24B .54 .78 .78 .83 .86 .82 15 PEY08B 1863 2017 .64 .74 .71 .76 .79 .77 16 PEY09A 1883 2017 .70 .77 .84 .82 .82 17 PEY09B 1872 2017 .54 .55 .68 .77 .80 .80 18 PEY10A 1811 2017 .29B .26A .52 .74 .71 .72 .78 .74 19 PEY10B 1857 2017 .47 .56 .48 .67 .75 .74 20 PEY11A 1919 2017 .55 .68 .79 .82 21 PEY11B 1915 2017 .25B .51 .72 .79 22 PEY12A 1841 2017 .56 .53 .72 .82 .84 .81 .85 23 PEY12B 1858 2017 .68 .77 .86 .84 .75 .84 24 PEY14A 1844 2017 .47 .52 .67 .67 .62 .57 .63 25 PEY14B 1867 2017 .68 .77 .66 .58 .62 .68 26 PEY15A 1862 2017 .51 .66 .81 .74 .69 .79 27 PEY15B 1878 2017 .61 .76 .76 .73 .82 28 PEY16A 1882 2017 .66 .74 .69 .68 .82 29 PEY16B 1883 2017 .54 .73 .85 .80 .78 30 PEY17A 1887 2017 .57 .54 .53 .55 .72 31 PEY17B 1880 2017 .71 .76 .68 .60 .74 32 PEY18A 1864 2017 .50 .61 .76 .80 .80 .85 33 PEY18B 1866 2017 .60 .68 .73 .74 .82 .87 34 PEY19A 1900 2017 .28A .66 .68 .76 35 PEY19B 1899 2017 .28A .28A .68 .71 .76 36 PEY20A 1893 2017 .30A .35 .51 .60 .67 37 PEY20B 1888 2017 .09B .27B .49 .55 .61 38 PEY21A 1916 2017 .33 .56 .62 .80 39 PEY22B 1864 2017 .55 .57 .54 .56 .50 .55 40 PEY23A 1835 2017 .73 .69 .66 .70 .77 .84 .81 41 PEY23B 1831 2017 .76 .74 .74 .72 .75 .82 .88 42 PEY24A 1815 2017 .50 .58 .55 .54 .50 .63 .77 .82 43 PEY24B 1825 2017 .60 .70 .72 .66 .71 .76 .78 44 PEY25B 1828 2017 .58 .62 .35 .29B .45 .32A .49 45 PEY26A 1874 2017 .68 .68 .77 .73 .75 .85 46 PEY26B 1861 2017 .40 .59 .57 .64 .72 .76 47 PEY27A 1829 2017 .07B .42 .58 .54 .69 .69 .65 48 PEY27B 1839 2017 .31A .49 .66 .58 .62 .75 .78 49 PEY28A 1876 2017 .61 .74 .79 .79 .82 50 PEY28B 1850 2017 .36 .71 .77 .84 .86 .87 51 PEY29B 1884 2017 .28A .46 .69 .75 .76 52 PEY30A 1870 2017 .61 .58 .64 .74 .73 .83 53 PEY30B 1878 2017 .54 .68 .79 .72 .64 54 724021 1803 1983 .68 .75 .63 .67 .70 .69 .66 55 724022 1790 1983 .74 .72 .82 .75 .65 .68 .73 .77 56 724041 1795 1983 .57 .55 .66 .68 .59 .51 .55 .56 57 724042 1794 1983 .66 .64 .73 .49 .41 .61 .66 .55 58 724051 1697 1983 .64 .64 .65 .79 .81 .73 .67 .57 .51 .62 .76 .76 59 724052 1733 1983 .79 .78 .80 .71 .62 .51 .41 .49 .75 .73 60 724061 1740 1974 .73 .76 .81 .71 .75 .69 .52 .60 .71 61 724062 1743 1983 .68 .71 .70 .61 .71 .64 .47 .67 .76 .74 62 724071 1788 1983 .56 .68 .81 .74 .54 .59 .68 .69 63 724072 1794 1983 .66 .67 .82 .65 .54 .74 .68 .65 64 724091 1634 1983 .66 .67 .57 .49 .62 .68 .73 .72 .53 .40 .56 .80 .81 65 724092 1670 1983 .70 .70 .62 .54 .60 .57 .57 .66 .59 .53 .64 .80 .78 66 724101 1740 1983 .44 .46 .80 .86 .74 .54 .52 .67 .81 .80 67 724102 1701 1983 .54 .69 .68 .76 .74 .63 .44 .40 .64 .79 .79 68 724111 1699 1983 .52 .53 .57 .65 .76 .83 .79 .52 .36 .61 .79 .78 69 724121 1724 1983 .54 .54 .69 .82 .84 .74 .54 .42 .62 .80 .84 70 724122 1738 1983 .57 .68 .83 .83 .77 .66 .48 .53 .78 .85 71 724131 1794 1983 .51 .52 .33A .49B .55 .60 .61 .57 72 724132 1795 1983 .58 .61 .53 .54 .53 .65 .64 .60 Av segment correlation 0.68 0.63 0.57 0.61 0.68 0.70 0.65 0.61 0.58 0.58 0.62 0.71 0.72 0.76 PART 7: DESCRIPTIVE STATISTICS: 11:56 Wed 02 Jun 2021 Page 9 ------------------------------------------------------------------------------------------------------------------------------------ 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 PEY01B 1946 2017 72 3 0 0.471 1.60 2.71 0.420 0.622 0.179 0.47 0.213 0.004 1 2 PEY02A 1862 2017 156 6 2 0.466 1.19 2.20 0.352 0.759 0.172 0.71 0.239 0.010 1 3 PEY02B 1893 2017 125 5 0 0.612 1.41 2.36 0.325 0.765 0.124 0.46 0.158 -0.005 1 4 PEY03A 1866 2017 152 6 0 0.711 1.24 2.15 0.357 0.647 0.197 0.75 0.225 0.010 1 5 PEY03B 1838 2017 180 7 0 0.722 1.09 2.20 0.477 0.830 0.213 0.56 0.240 -0.001 1 6 PEY04A 1859 2017 159 6 0 0.693 0.48 1.47 0.266 0.914 0.221 0.79 0.271 -0.018 1 7 PEY04B 1859 2017 159 6 0 0.727 0.36 0.98 0.285 0.962 0.230 0.54 0.261 0.008 1 8 PEY05A 1854 2017 164 6 0 0.711 1.06 2.57 0.650 0.949 0.173 0.40 0.199 0.008 1 9 PEY05B 1829 2017 189 7 0 0.684 1.04 2.10 0.543 0.910 0.179 0.53 0.220 0.025 1 10 PEY06A 1829 2017 189 7 0 0.722 0.87 2.53 0.511 0.902 0.213 0.71 0.248 0.003 1 11 PEY06B 1847 2017 171 7 0 0.762 1.00 2.70 0.595 0.893 0.214 0.69 0.263 -0.001 1 12 PEY07A 1842 2017 176 7 0 0.670 0.85 1.56 0.288 0.784 0.171 0.54 0.203 0.006 1 13 PEY07B 1834 2017 184 7 0 0.679 0.80 1.97 0.233 0.664 0.185 0.62 0.215 0.011 1 14 PEY08A 1824 2017 194 8 2 0.654 1.23 2.93 0.704 0.905 0.200 0.58 0.233 0.001 1 15 PEY08B 1863 2017 155 6 0 0.734 1.14 2.85 0.702 0.939 0.174 0.57 0.217 0.002 1 16 PEY09A 1883 2017 135 5 0 0.769 0.99 2.39 0.572 0.914 0.209 0.62 0.227 0.001 1 17 PEY09B 1872 2017 146 6 0 0.699 0.91 2.29 0.607 0.936 0.219 0.56 0.240 0.006 1 18 PEY10A 1811 2017 207 8 2 0.615 0.92 2.47 0.521 0.905 0.182 0.56 0.223 0.008 1 19 PEY10B 1857 2017 161 6 0 0.622 0.52 1.21 0.297 0.890 0.228 0.79 0.266 0.005 1 20 PEY11A 1919 2017 99 4 0 0.689 1.34 3.06 0.429 0.770 0.154 0.77 0.206 0.013 1 21 PEY11B 1915 2017 103 4 1 0.565 1.41 2.34 0.432 0.837 0.142 0.53 0.183 0.040 1 22 PEY12A 1841 2017 177 7 0 0.745 1.02 2.08 0.479 0.880 0.189 0.50 0.220 0.002 1 23 PEY12B 1858 2017 160 6 0 0.791 1.27 2.47 0.455 0.821 0.191 0.54 0.224 -0.015 1 24 PEY14A 1844 2017 174 7 0 0.601 1.08 2.94 0.783 0.940 0.212 0.82 0.269 -0.022 1 25 PEY14B 1867 2017 151 6 0 0.637 0.86 3.45 0.609 0.908 0.223 0.77 0.291 0.000 2 26 PEY15A 1862 2017 156 6 0 0.691 1.33 3.17 0.518 0.837 0.168 0.59 0.211 0.016 1 27 PEY15B 1878 2017 140 5 0 0.729 1.24 2.49 0.452 0.850 0.154 0.48 0.193 0.016 1 28 PEY16A 1882 2017 136 5 0 0.708 1.21 3.18 0.756 0.933 0.164 0.46 0.194 -0.007 1 29 PEY16B 1883 2017 135 5 0 0.724 1.34 2.93 0.625 0.911 0.156 0.46 0.191 -0.001 1 30 PEY17A 1887 2017 131 5 0 0.582 1.14 2.77 0.554 0.857 0.200 0.65 0.256 0.006 1 31 PEY17B 1880 2017 138 5 0 0.684 1.29 2.66 0.584 0.835 0.204 0.64 0.280 0.013 1 32 PEY18A 1864 2017 154 6 0 0.728 1.07 2.83 0.674 0.894 0.238 0.71 0.260 -0.007 1 33 PEY18B 1866 2017 152 6 0 0.740 0.86 2.71 0.563 0.928 0.200 0.62 0.245 -0.004 1 34 PEY19A 1900 2017 118 4 1 0.565 1.81 3.78 0.685 0.877 0.144 0.44 0.172 -0.003 2 35 PEY19B 1899 2017 119 5 2 0.573 1.47 2.65 0.493 0.818 0.168 0.54 0.226 0.045 1 36 PEY20A 1893 2017 125 5 1 0.522 1.92 4.46 0.826 0.902 0.156 0.47 0.182 0.003 1 37 PEY20B 1888 2017 130 5 2 0.412 1.62 4.58 0.768 0.892 0.149 0.42 0.185 0.004 1 38 PEY21A 1916 2017 102 4 0 0.584 1.29 2.25 0.448 0.911 0.120 0.33 0.151 0.002 1 39 PEY22B 1864 2017 154 6 0 0.529 1.04 2.76 0.498 0.888 0.185 0.63 0.242 -0.016 1 40 PEY23A 1835 2017 183 7 0 0.750 0.64 1.66 0.318 0.856 0.213 0.62 0.260 0.017 1 41 PEY23B 1831 2017 187 7 0 0.775 0.77 2.00 0.432 0.875 0.229 0.74 0.256 -0.004 1 42 PEY24A 1815 2017 203 8 0 0.613 1.05 2.45 0.525 0.892 0.200 0.57 0.238 0.014 1 43 PEY24B 1825 2017 193 7 0 0.703 0.90 2.26 0.496 0.863 0.219 0.70 0.263 0.000 1 44 PEY25B 1828 2017 190 7 2 0.451 0.91 1.94 0.384 0.836 0.184 0.92 0.228 -0.026 1 45 PEY26A 1874 2017 144 6 0 0.748 1.05 2.51 0.602 0.903 0.193 0.53 0.234 -0.002 1 46 PEY26B 1861 2017 157 6 0 0.607 1.23 2.52 0.433 0.822 0.164 0.68 0.210 0.009 1 47 PEY27A 1829 2017 189 7 1 0.497 1.25 2.99 0.594 0.849 0.196 0.56 0.229 -0.007 2 48 PEY27B 1839 2017 179 7 1 0.595 1.22 3.26 0.494 0.856 0.159 0.57 0.200 -0.007 2 PART 7: DESCRIPTIVE STATISTICS: 11:56 Wed 02 Jun 2021 Page 10 ------------------------------------------------------------------------------------------------------------------------------------ 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 PEY28A 1876 2017 142 5 0 0.734 1.20 2.79 0.543 0.884 0.190 0.55 0.228 0.005 1 50 PEY28B 1850 2017 168 6 0 0.703 1.14 2.54 0.614 0.908 0.204 0.59 0.243 0.006 1 51 PEY29B 1884 2017 134 5 1 0.578 1.20 2.23 0.350 0.797 0.146 0.54 0.183 0.003 1 52 PEY30A 1870 2017 148 6 0 0.701 1.29 3.61 0.763 0.911 0.198 0.66 0.255 0.008 1 53 PEY30B 1878 2017 140 5 0 0.641 1.16 3.89 0.728 0.926 0.179 0.98 0.251 0.015 1 54 724021 1803 1983 181 7 0 0.671 1.18 2.15 0.278 0.588 0.171 0.52 0.198 0.014 1 55 724022 1790 1983 194 8 0 0.729 1.04 1.63 0.242 0.586 0.165 0.50 0.220 0.003 1 56 724041 1795 1983 189 8 0 0.558 1.12 2.04 0.246 0.565 0.147 0.74 0.201 -0.003 1 57 724042 1794 1983 190 8 0 0.585 1.16 1.87 0.264 0.565 0.157 0.50 0.196 -0.012 1 58 724051 1697 1983 287 12 0 0.682 0.98 2.42 0.479 0.794 0.210 0.70 0.227 0.001 1 59 724052 1733 1983 251 10 0 0.672 0.94 2.12 0.432 0.837 0.189 0.53 0.198 0.003 1 60 724061 1740 1974 235 9 0 0.698 1.07 3.04 0.552 0.867 0.181 0.63 0.212 -0.002 1 61 724062 1743 1983 241 10 0 0.660 1.05 2.67 0.493 0.829 0.180 0.62 0.201 -0.001 1 62 724071 1788 1983 196 8 0 0.638 1.21 2.26 0.389 0.805 0.155 0.44 0.173 0.004 1 63 724072 1794 1983 190 8 0 0.652 1.21 2.52 0.411 0.864 0.146 0.42 0.174 0.001 1 64 724091 1634 1983 350 13 0 0.631 0.74 2.07 0.342 0.860 0.181 0.64 0.211 0.002 2 65 724092 1670 1983 314 13 0 0.631 0.64 1.55 0.224 0.780 0.183 0.61 0.220 -0.010 1 66 724101 1740 1983 244 10 0 0.667 0.97 1.75 0.282 0.541 0.232 0.62 0.265 0.005 1 67 724102 1701 1983 283 11 0 0.635 0.89 1.96 0.405 0.777 0.255 0.67 0.276 0.000 1 68 724111 1699 1983 285 12 0 0.642 1.03 2.76 0.642 0.925 0.203 0.76 0.244 0.001 1 69 724121 1724 1983 260 11 0 0.677 1.19 2.68 0.619 0.892 0.209 0.59 0.239 -0.003 1 70 724122 1738 1983 246 10 0 0.690 1.23 2.89 0.632 0.900 0.200 0.57 0.228 0.002 1 71 724131 1794 1983 190 8 2 0.520 1.27 2.11 0.296 0.690 0.158 0.43 0.192 -0.007 1 72 724132 1795 1983 189 8 0 0.584 1.33 2.20 0.304 0.705 0.139 0.47 0.179 0.028 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 12700 498 20 0.653 1.07 4.58 0.478 0.832 0.188 0.98 0.225 0.002