Perch Lake, Ontario, Canada - cana260 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 : CANA260.RWL Date checked : 29FEB08 Checked by : B. Bauer Beginning year : 1897 Ending year : 2004 Principal investigators: Scott St. George Site name : Perch Lake Site location : Canada Species information : PIST EASTERN WHITE PINE Latitude : 4843 Longitude : -09152 Elevation : 631M Series intercorrelation: 0.574 Avg mean sensitivity : 0.206 Avg standard deviation : 1.238 Avg autocorrelation : 0.760 Number dated series : 30 Segment length tested : 50 Number problem segments: 8 Pct problem segments : 7.02 PART 5: CORRELATION OF SERIES BY SEGMENTS: Perch Lake 17:07 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 p0501a 1904 2004 .59 .64 .60 .65 2 p0501b 1897 2004 .72 .73 .75 .64 .66 3 p0502a 1927 2004 .70 .47 .49 4 p0502b 1917 2004 .66 .60 .61 .63 5 p0503a 1946 2004 .65 .65 .65 6 p0503b 1928 2004 .77 .64 .63 7 p0504a 1937 2004 .19B .21B .51 8 p0504b 1911 2004 .57 .61 .53 .53 9 p0505a 1899 2003 .43 .43 .40 .45 .47 10 p0505b 1908 2004 .34B .47 .16B .15B 11 p0506a 1915 2004 .72 .74 .69 .69 12 p0506b 1908 2004 .65 .68 .69 .69 13 p0507a 1907 2004 .40 .39 .57 .59 14 p0507b 1901 2004 .53 .18B .27A .31A 15 p0508a 1920 2004 .55 .61 .60 .62 16 p0508b 1915 2004 .54 .60 .57 .57 17 p0509a 1938 2004 .54 .58 .61 18 p0509b 1940 2004 .74 .56 .57 19 p0510a 1925 2004 .66 .61 .61 20 p0510b 1916 2004 .63 .59 .56 .60 21 p0511a 1931 2004 .59 .49 .48 22 p0511b 1924 2003 .63 .66 .58 .56 23 p0512a 1916 2004 .65 .57 .59 .37 24 p0512b 1914 2004 .59 .56 .64 .66 25 p0513a 1923 2004 .69 .70 .59 .62 26 p0513b 1906 2004 .83 .70 .53 .51 27 p0514a 1905 2004 .75 .58 .60 .50 28 p0514b 1906 2004 .66 .43 .56 .56 29 p0515a 1923 2004 .52 .50 .56 .52 30 p0515b 1919 2004 .66 .66 .59 .61 Av segment correlation .58 .61 .58 .55 .55 PART 7: DESCRIPTIVE STATISTICS: Perch Lake 17:07 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 p0501a 1904 2004 101 4 0 .604 3.37 5.70 .724 .438 .180 2.53 .357 .039 1 2 p0501b 1897 2004 108 5 0 .690 2.65 4.73 .793 .752 .159 2.60 .494 .020 1 3 p0502a 1927 2004 78 3 0 .571 3.78 7.46 1.173 .697 .172 2.70 .513 -.053 3 4 p0502b 1917 2004 88 4 0 .649 2.30 3.57 .587 .614 .170 2.47 .443 .063 1 5 p0503a 1946 2004 59 3 0 .655 2.87 5.28 .965 .656 .214 2.77 .525 .010 1 6 p0503b 1928 2004 77 3 0 .702 2.59 5.66 .898 .779 .173 2.81 .520 -.051 1 7 p0504a 1937 2004 68 3 2 .274 1.91 4.97 1.285 .867 .224 2.59 .369 -.030 1 8 p0504b 1911 2004 94 4 0 .571 2.40 5.52 .971 .848 .156 2.92 .598 .027 1 9 p0505a 1899 2003 105 5 0 .442 2.04 4.95 1.327 .863 .266 2.53 .328 .065 1 10 p0505b 1908 2004 97 4 3 .300 1.39 4.15 1.090 .892 .294 2.37 .330 -.049 1 11 p0506a 1915 2004 90 4 0 .697 2.59 5.01 .777 .691 .181 2.81 .468 -.040 1 12 p0506b 1908 2004 97 4 0 .668 2.75 4.86 .780 .711 .176 2.51 .376 -.083 1 13 p0507a 1907 2004 98 4 0 .482 2.49 5.64 1.213 .750 .251 2.65 .468 -.028 2 14 p0507b 1901 2004 104 4 3 .429 2.17 5.07 1.299 .833 .265 2.40 .343 -.040 3 15 p0508a 1920 2004 85 4 0 .589 4.30 8.70 1.655 .772 .208 2.50 .350 .028 1 16 p0508b 1915 2004 90 4 0 .573 3.90 6.56 1.407 .825 .163 2.44 .394 -.048 1 17 p0509a 1938 2004 67 3 0 .550 3.96 6.88 1.467 .801 .211 2.61 .484 -.035 2 18 p0509b 1940 2004 65 3 0 .586 4.24 8.11 1.920 .843 .216 2.38 .419 -.023 2 19 p0510a 1925 2004 80 3 0 .632 4.45 8.36 1.753 .790 .207 2.57 .538 .072 1 20 p0510b 1916 2004 89 4 0 .608 2.86 4.61 .861 .729 .179 2.49 .365 .054 1 21 p0511a 1931 2004 74 3 0 .490 4.53 8.96 1.766 .750 .202 2.55 .410 .009 1 22 p0511b 1924 2003 80 4 0 .578 4.58 10.43 1.680 .743 .170 2.92 .484 .070 1 23 p0512a 1916 2004 89 4 0 .510 4.10 8.68 1.453 .491 .247 2.66 .438 -.027 1 24 p0512b 1914 2004 91 4 0 .633 3.10 6.31 1.110 .733 .205 2.63 .528 -.048 1 25 p0513a 1923 2004 82 4 0 .638 2.59 6.93 1.272 .854 .205 2.85 .469 -.019 1 26 p0513b 1906 2004 99 4 0 .721 3.09 6.81 1.606 .859 .232 2.65 .496 .000 1 27 p0514a 1905 2004 100 4 0 .650 2.91 5.71 .993 .686 .216 2.55 .437 .037 1 28 p0514b 1906 2004 99 4 0 .623 2.76 5.22 1.006 .777 .194 2.51 .431 -.013 1 29 p0515a 1923 2004 82 4 0 .465 2.95 8.76 2.106 .918 .214 2.61 .424 -.061 1 30 p0515b 1919 2004 86 4 0 .613 3.00 9.83 1.823 .864 .215 2.56 .397 -.066 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2622 114 8 .574 3.04 10.43 1.238 .760 .206 2.92 .437 -.007