Sowden Lake, Ontario, Canada - cana262 Additional Site Information Scott St. George Purpose of Collection: Climatology - precipitation analyses Cores are stored at: Geological Survey of Canada 601 Booth Street Ottawa, Ontario Canada K1A 0E8 Reference: St. George, S., D.M. Meko and M.N. Evans (accepted). Regional tree growth and inferred summer climate in the Winnipeg River basin, Canada since AD 1783. Quaternary Research. COFECHA output: Chronology file name : N/A Measurement file name : CANA262.RWL Date checked : 29FEB08 Checked by : B. Bauer Beginning year : 1767 Ending year : 2004 Principal investigators: Scott St. George Site name : Sowden Lake Site location : Canada Species information : PIST EASTERN WHITE PINE Latitude : 4932 Longitude : -09113 Elevation : 450M Series intercorrelation: 0.712 Avg mean sensitivity : 0.210 Avg standard deviation : 0.644 Avg autocorrelation : 0.751 Number dated series : 36 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 2.24 PART 5: CORRELATION OF SERIES BY SEGMENTS: Sowden Lake 17:08 Sat 29 Feb 2008 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 s0501a 1833 2004 .80 .76 .82 .85 .81 .76 .76 2 s0501b 1809 2004 .70 .68 .67 .81 .82 .80 .75 .76 3 s0502a 1819 2004 .78 .83 .75 .85 .89 .80 .71 .70 4 s0502b 1775 2004 .59 .71 .75 .85 .84 .83 .74 .64 .66 5 s0503a 1785 2004 .70 .76 .77 .85 .89 .89 .80 .68 .71 6 s0503b 1796 2004 .83 .82 .83 .76 .84 .87 .79 .62 .65 7 s0504a 1850 2004 .62 .70 .80 .76 .64 .67 8 s0504b 1776 2004 .36 .63 .70 .59 .61 .77 .74 .60 .64 9 s0505a 1826 2004 .79 .78 .74 .84 .84 .61 .64 10 s0505b 1835 2004 .78 .72 .72 .80 .86 .82 .84 11 s0506a 1847 2004 .43 .46 .71 .81 .84 .53 .56 12 s0506b 1898 2004 .89 .89 .84 .79 .72 13 s0507a 1800 2004 .74 .81 .82 .82 .88 .86 .76 .77 14 s0507b 1806 2004 .80 .78 .77 .79 .84 .85 .75 .72 15 s0508a 1807 2004 .62 .71 .72 .59 .75 .86 .84 .82 16 s0508b 1780 2004 .56 .76 .80 .79 .73 .84 .86 .80 .83 17 s0509a 1836 2004 .73 .69 .72 .79 .78 .72 .75 18 s0509b 1833 2004 .69 .72 .73 .78 .74 .73 .75 19 s0510a 1833 2004 .48 .57 .81 .81 .81 .84 .85 20 s0510b 1858 2004 .68 .70 .81 .81 .72 .72 21 s0511a 1794 2004 .75 .78 .53 .43 .78 .87 .72 .53 .54 22 s0511b 1840 2004 .78 .73 .79 .81 .85 .83 .82 23 s0512a 1770 2004 .69 .69 .66 .60 .71 .72 .83 .77 .72 .71 24 s0512b 1770 2004 .66 .70 .70 .46 .49 .64 .85 .90 .71 .71 25 s0513a 1872 2004 .59 .58 .75 .69 .71 .71 26 s0513b 1824 2004 .29B .30A .23B .62 .72 .73 .67 .71 27 s0514a 1839 2004 .71 .68 .70 .67 .60 .62 .66 28 s0514b 1873 2004 .66 .67 .70 .69 .54 .60 29 s0515a 1843 2004 .55 .53 .76 .84 .86 .74 .72 30 s0515b 1843 2004 .59 .63 .78 .88 .89 .74 .73 31 s0516a 1881 2004 .45 .68 .69 .70 .73 32 s0516b 1843 2004 .24B .16B .61 .76 .82 .77 .79 33 s0517a 1863 2004 .62 .45 .50 .57 .56 .62 34 s0517b 1838 2004 .66 .69 .78 .87 .79 .72 .76 35 s0518a 1881 2004 .62 .71 .81 .63 .68 36 s0518b 1767 2004 .33A .37 .60 .52 .59 .68 .72 .79 .78 .76 Av segment correlation .56 .62 .69 .65 .65 .72 .80 .79 .70 .72 PART 7: DESCRIPTIVE STATISTICS: Sowden Lake 17:08 Sat 29 Feb 2008 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 s0501a 1833 2004 172 7 0 .805 1.78 3.33 .536 .530 .241 2.64 .416 -.033 1 2 s0501b 1809 2004 196 8 0 .759 1.44 3.20 .557 .583 .275 2.59 .434 -.018 1 3 s0502a 1819 2004 186 8 0 .799 1.33 4.42 .564 .816 .189 2.72 .393 -.053 1 4 s0502b 1775 2004 230 9 0 .720 1.45 3.55 .582 .842 .179 2.50 .394 -.014 1 5 s0503a 1785 2004 220 9 0 .797 1.38 3.59 .647 .828 .201 2.51 .356 .012 1 6 s0503b 1796 2004 209 9 0 .792 1.24 3.00 .539 .780 .217 2.51 .386 .016 1 7 s0504a 1850 2004 155 6 0 .722 1.59 4.78 .560 .587 .229 2.66 .394 -.010 1 8 s0504b 1776 2004 229 9 0 .629 1.31 3.67 .588 .771 .232 2.47 .373 -.016 1 9 s0505a 1826 2004 179 7 0 .745 1.20 2.62 .473 .813 .183 2.73 .435 -.044 1 10 s0505b 1835 2004 170 7 0 .785 1.20 2.50 .369 .634 .206 2.52 .345 -.026 1 11 s0506a 1847 2004 158 7 0 .657 1.28 2.42 .460 .690 .235 2.50 .400 -.037 1 12 s0506b 1898 2004 107 5 0 .820 1.36 2.55 .400 .526 .221 2.61 .480 -.010 1 13 s0507a 1800 2004 205 8 0 .805 1.56 3.09 .412 .510 .207 2.80 .512 .041 1 14 s0507b 1806 2004 199 8 0 .786 1.33 2.80 .514 .742 .204 2.62 .387 .016 1 15 s0508a 1807 2004 198 8 0 .725 1.53 4.39 .587 .748 .212 2.62 .449 -.034 2 16 s0508b 1780 2004 225 9 0 .739 1.37 3.13 .411 .672 .183 2.64 .400 -.036 1 17 s0509a 1836 2004 169 7 0 .753 1.51 4.55 .757 .868 .193 2.40 .290 -.080 1 18 s0509b 1833 2004 172 7 0 .740 1.42 3.69 .448 .748 .174 2.47 .365 -.026 1 19 s0510a 1833 2004 172 7 0 .673 1.52 3.77 .627 .688 .237 2.38 .263 -.030 2 20 s0510b 1858 2004 147 6 0 .722 1.91 4.19 .673 .749 .205 2.59 .394 -.032 1 21 s0511a 1794 2004 211 9 0 .679 1.29 2.87 .484 .718 .218 2.59 .414 -.063 1 22 s0511b 1840 2004 165 7 0 .789 1.43 3.46 .568 .756 .215 2.52 .346 -.037 1 23 s0512a 1770 2004 235 10 0 .695 1.28 5.09 .817 .865 .250 2.72 .433 .030 1 24 s0512b 1770 2004 235 10 0 .677 1.18 4.14 .668 .824 .248 2.78 .486 -.028 1 25 s0513a 1872 2004 133 6 0 .640 1.68 3.59 .673 .842 .174 2.68 .376 -.082 1 26 s0513b 1824 2004 181 8 3 .565 1.09 3.13 .542 .847 .181 2.85 .384 -.038 1 27 s0514a 1839 2004 166 7 0 .651 1.36 4.24 .603 .715 .241 2.51 .382 .037 1 28 s0514b 1873 2004 132 6 0 .652 1.23 3.08 .485 .674 .213 2.79 .437 -.031 1 29 s0515a 1843 2004 162 7 0 .728 1.10 2.34 .451 .783 .194 2.53 .345 -.024 1 30 s0515b 1843 2004 162 7 0 .750 1.58 4.33 .716 .802 .205 2.94 .596 -.017 1 31 s0516a 1881 2004 124 5 0 .601 2.52 9.13 1.583 .853 .207 2.47 .321 .006 1 32 s0516b 1843 2004 162 7 2 .596 3.11 14.85 2.685 .895 .216 2.76 .405 -.023 1 33 s0517a 1863 2004 142 6 0 .576 1.67 3.58 .692 .687 .214 2.65 .456 -.030 1 34 s0517b 1838 2004 167 7 0 .733 1.44 3.33 .641 .826 .187 2.60 .393 -.050 1 35 s0518a 1881 2004 124 5 0 .674 2.18 4.25 .729 .766 .177 2.67 .525 .034 1 36 s0518b 1767 2004 238 10 1 .590 1.49 3.51 .624 .883 .173 2.73 .461 .011 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6437 268 6 .712 1.48 14.85 .644 .751 .210 2.94 .406 -.019