Chronology file name : NONE Measurement file name : CANA088.RWL Date checked : 07FEB96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1770 Ending year : 1983 Principal investigators: F.H. SCHWEINGRUBER Site name : SUMMIT LAKE PASS Site location : CANADA Species information : PCGL WHITE SPRUCE Latitude : 5840N Longitude : 12440W Elevation : 1260 M Series intercorrelation: 0.537 Avg mean sensitivity : 0.191 Avg standard deviation : 0.286 Avg autocorrelation : 0.771 Number dated series : 25 Segment length tested : 50 Number problem segments: 22 Pct problem segments : 14.57 Are there obvious misdated series? YES Number possible misdated series : 2 Percent misdated series : 8.00 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #23 721131, #24 721161 ARE MISDATED AND BELONG ELSEWHERE #18 721102 1891-1940 HAS LOW CORRELATIONS STILL A VERY GOOD DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 15:00 Thu 07 FEB 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 1775 1800 1825 1850 1875 1900 1925 1950 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 721011 1841 1983 .77 .68 .53 .54 .65 .67 2 721012 1795 1983 .18B .16B .54 .59 .51 .56 .56 .62 3 721021 1830 1983 .51 .48 .44 .59 .65 .58 4 721022 1819 1983 .58 .63 .69 .56 .63 .64 .61 5 721031 1870 1983 .38 .38 .41 .50 .56 6 721032 1895 1983 .51 .56 .46 .54 7 721041 1828 1983 .79 .72 .64 .75 .71 .76 8 721042 1827 1983 .69 .67 .71 .79 .62 .54 9 721051 1878 1983 .71 .65 .71 .66 10 721052 1867 1983 .44 .50 .76 .83 .79 11 721061 1877 1983 .61 .67 .80 .81 12 721062 1870 1983 .65 .66 .75 .74 .72 13 721071 1770 1983 .58 .55 .67 .74 .67 .79 .78 .78 14 721072 1782 1983 .75 .65 .69 .78 .67 .59 .64 .73 15 721081 1778 1983 .28B .53 .67 .68 .32A .48 .62 .68 16 721082 1800 1983 .57 .67 .67 .60 .63 .59 .61 17 721101 1855 1983 .53 .54 .65 .57 .59 18 721102 1891 1983 .07B .34 .39 .55 19 721111 1862 1983 .39 .42 .51 .64 .58 20 721112 1864 1970 .38 .47 .51 .46 21 721121 1785 1983 .66 .57 .36 .44 .39 .44 .61 .59 22 721122 1784 1983 .33B .46 .59 .69 .48 .42 .56 .52 23 721131 1828 1983 .38B .10B .15B .30A .24B .27A 24 721161 1780 1973 .10B .21B .02B-.17B-.09B .26B .19B 25 721172 1806 1983 .58 .50 .23B .24B .40 .32A .41 PART 7: DESCRIPTIVE STATISTICS: 15:00 Thu 07 FEB 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 721011 1841 1983 143 6 0 0.646 0.79 1.47 0.281 0.797 0.180 2.10 0.402 -0.021 1 2 721012 1795 1983 189 8 2 0.461 0.83 1.89 0.320 0.767 0.177 1.96 0.276 -0.004 1 3 721021 1830 1983 154 6 0 0.530 0.50 1.25 0.211 0.783 0.196 2.00 0.312 0.024 1 4 721022 1819 1983 165 7 0 0.598 0.35 1.15 0.176 0.750 0.220 2.08 0.337 0.014 1 5 721031 1870 1983 114 5 0 0.475 0.85 1.58 0.299 0.773 0.178 2.07 0.410 0.065 1 6 721032 1895 1983 89 4 0 0.557 1.04 1.66 0.283 0.724 0.163 1.98 0.377 -0.070 1 7 721041 1828 1983 156 6 0 0.736 0.83 2.27 0.483 0.829 0.223 1.93 0.341 -0.006 1 8 721042 1827 1983 157 6 0 0.653 0.96 2.52 0.545 0.845 0.230 1.82 0.309 -0.002 2 9 721051 1878 1983 106 4 0 0.684 1.15 2.71 0.441 0.808 0.177 2.08 0.348 -0.003 1 10 721052 1867 1983 117 5 0 0.651 1.05 2.23 0.460 0.853 0.171 1.88 0.321 -0.055 1 11 721061 1877 1983 107 4 0 0.701 1.58 2.65 0.508 0.725 0.189 2.05 0.346 -0.059 2 12 721062 1870 1983 114 5 0 0.701 1.30 3.05 0.589 0.827 0.194 2.12 0.466 -0.009 1 13 721071 1770 1983 214 8 0 0.688 0.60 1.27 0.166 0.559 0.192 2.13 0.369 -0.019 1 14 721072 1782 1983 202 8 0 0.701 0.48 0.97 0.117 0.536 0.179 1.98 0.293 -0.016 1 15 721081 1778 1983 206 8 2 0.495 0.30 0.78 0.157 0.897 0.192 1.95 0.288 -0.030 1 16 721082 1800 1983 184 7 0 0.630 0.51 1.48 0.273 0.863 0.229 2.02 0.320 0.013 1 17 721101 1855 1983 129 5 0 0.566 0.90 2.55 0.558 0.868 0.246 2.03 0.391 0.016 1 18 721102 1891 1983 93 4 1 0.351 0.95 1.52 0.215 0.469 0.180 1.85 0.269 -0.061 1 19 721111 1862 1983 122 5 0 0.492 0.49 1.05 0.204 0.855 0.173 1.88 0.297 -0.010 1 20 721112 1864 1970 107 4 0 0.430 0.66 1.23 0.179 0.635 0.183 1.90 0.357 -0.036 2 21 721121 1785 1983 199 8 0 0.517 0.39 0.83 0.148 0.836 0.165 2.15 0.369 -0.015 1 22 721122 1784 1983 200 8 1 0.510 0.35 0.79 0.113 0.753 0.166 2.05 0.329 -0.016 1 23 721131 1828 1983 156 6 6 0.295 0.88 1.98 0.376 0.863 0.183 2.00 0.335 0.033 1 24 721161 1780 1973 194 7 7 0.061 0.70 1.50 0.260 0.831 0.170 2.04 0.331 -0.036 1 25 721172 1806 1983 178 7 3 0.408 0.64 1.35 0.228 0.778 0.200 2.05 0.334 -0.008 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3795 151 22 0.537 0.71 3.05 0.286 0.771 0.191 2.15 0.338 -0.011