Chronology file name : NONE Measurement file name : CANA039.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1819 Ending year : 1988 Principal investigators: F. H. SCHWEINGRUBER Site name : GUNISAO LAKE Site location : CANADA Species information : PCMA BLACK SPRUCE Latitude : 5330N Longitude : 9623W Elevation : 860 M Series intercorrelation: 0.456 Avg mean sensitivity : 0.218 Avg standard deviation : 0.442 Avg autocorrelation : 0.875 Number dated series : 26 Segment length tested : 50 Number problem segments: 35 Pct problem segments : 37.23 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #10 802061 HAS LOW CORRELATION #21 802141, #22 802142 ARE POSSIBLY MISDATED ALL FLAGS = LOW CORRELATIONS WITH MASTER DATA SET VERY PROBLEMATIC, PORR INTER-TREE DATING PART 5: CORRELATION OF SERIES BY SEGMENTS: 14:20 Fri 12 JAN 1996 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 802011 1826 1988 .44 .65 .48 .40 .61 .60 2 802012 1857 1988 .70 .71 .44B .63 .68 3 802021 1819 1987 .30A .46 .61 .45 .40 .54 4 802022 1884 1988 .56 .51 .64 .76 5 802031 1914 1988 .32A .29B .45 6 802041 1908 1988 .46 .61 .69 7 802042 1918 1988 .29B .26B .31A 8 802051 1899 1988 .38 .39 .30A .38 9 802052 1899 1988 .56 .56 .63 .71 10 802061 1899 1988 .17B .18B .10B .13B 11 802062 1907 1988 .47 .29A .28A 12 802091 1901 1987 .35 .56 .66 13 802092 1905 1987 .48 .62 .66 14 802101 1913 1988 .76 .74 .71 15 802102 1910 1987 .69 .77 .79 16 802111 1899 1988 .13B .13B .61 .68 17 802121 1914 1988 .63 .69 .67 18 802122 1916 1988 .58 .53 .61 19 802131 1908 1988 .32B .38 .21A 20 802132 1912 1972 .60 .55 21 802141 1897 1988 -.02B-.04B .11B .18B 22 802142 1897 1987 -.10B-.14B .19B .32A 23 802222 1906 1988 .16B .19B .21B 24 802232 1903 1988 .10B .32B .37 25 802233 1899 1988 .38B .39B .19B .21A 26 802251 1899 1988 .48 .48 .54 .57 PART 7: DESCRIPTIVE STATISTICS: 14:20 Fri 12 JAN 1996 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 802011 1826 1988 163 6 0 0.465 0.47 1.19 0.200 0.663 0.245 1.83 0.255 -0.051 1 2 802012 1857 1988 132 5 1 0.641 0.44 1.64 0.215 0.790 0.215 1.94 0.314 -0.008 1 3 802021 1819 1987 169 6 1 0.447 0.46 1.72 0.279 0.876 0.220 2.13 0.402 -0.025 1 4 802022 1884 1988 105 4 0 0.660 0.53 1.93 0.377 0.912 0.229 2.31 0.412 -0.030 1 5 802031 1914 1988 75 3 2 0.405 0.68 1.99 0.368 0.882 0.192 2.00 0.375 -0.034 1 6 802041 1908 1988 81 3 0 0.632 0.89 1.88 0.437 0.889 0.188 1.78 0.237 -0.025 1 7 802042 1918 1988 71 3 3 0.377 0.82 1.96 0.461 0.893 0.232 1.70 0.227 -0.051 1 8 802051 1899 1988 90 4 1 0.410 0.77 2.62 0.579 0.905 0.233 1.99 0.338 -0.041 2 9 802052 1899 1988 90 4 0 0.652 0.61 2.79 0.524 0.951 0.193 2.03 0.421 0.056 1 10 802061 1899 1988 90 4 4 0.178 1.01 2.46 0.678 0.936 0.197 2.03 0.287 -0.090 1 11 802062 1907 1988 82 3 2 0.312 0.82 1.85 0.485 0.911 0.179 1.94 0.342 0.004 1 12 802091 1901 1987 87 3 0 0.536 0.66 1.66 0.492 0.933 0.223 1.95 0.422 -0.043 1 13 802092 1905 1987 83 3 0 0.616 0.57 1.62 0.457 0.920 0.269 1.87 0.309 -0.001 1 14 802101 1913 1988 76 3 0 0.738 0.63 1.52 0.394 0.920 0.169 1.95 0.329 -0.054 1 15 802102 1910 1987 78 3 0 0.780 0.62 1.49 0.378 0.921 0.173 1.90 0.300 -0.017 1 16 802111 1899 1988 90 4 2 0.514 0.41 0.84 0.172 0.836 0.175 1.88 0.318 -0.010 1 17 802121 1914 1988 75 3 0 0.637 0.73 1.96 0.411 0.947 0.159 1.97 0.360 0.033 2 18 802122 1916 1988 73 3 0 0.604 0.63 1.71 0.383 0.939 0.170 2.03 0.435 0.003 1 19 802131 1908 1988 81 3 2 0.226 0.76 2.25 0.609 0.952 0.244 2.06 0.391 0.064 3 20 802132 1912 1972 61 2 0 0.543 0.85 2.22 0.639 0.938 0.209 1.87 0.346 -0.050 1 21 802141 1897 1988 92 4 4 0.105 0.56 3.37 0.671 0.953 0.276 1.99 0.328 -0.012 1 22 802142 1897 1987 91 4 4 0.108 0.63 3.67 0.686 0.942 0.240 1.80 0.251 -0.016 1 23 802222 1906 1988 83 3 3 0.221 0.96 2.27 0.472 0.722 0.265 1.94 0.284 -0.048 1 24 802232 1903 1988 86 3 2 0.255 1.20 3.32 0.530 0.745 0.256 1.82 0.269 0.016 1 25 802233 1899 1988 90 4 4 0.269 0.86 2.99 0.604 0.894 0.231 1.91 0.346 0.005 1 26 802251 1899 1988 90 4 0 0.541 0.95 2.33 0.481 0.842 0.230 1.94 0.327 -0.015 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2384 94 35 0.456 0.69 3.67 0.442 0.875 0.218 2.31 0.332 -0.018