Chronology file name : NONE Measurement file name : CANA041.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1813 Ending year : 1988 Principal investigators: F. H. SCHWEINGRUBER Site name : HIGH STONE LAKE Site location : CANADA Species information : PCGL WHITE SPRUCE Latitude : 5024N Longitude : 9127W Elevation : 1300 M Series intercorrelation: 0.632 Avg mean sensitivity : 0.204 Avg standard deviation : 0.473 Avg autocorrelation : 0.809 Number dated series : 22 Segment length tested : 50 Number problem segments: 14 Pct problem segments : 10.85 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 4.55 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #18 795122 1826-1924 IS MISDATED THESE SERIES SHOULD BE DIVIDED INTO TWO RATHER THAN BE MISSING RINGS BETWEEN #6 795062 1899-1931, #18 795122 1877-1902 DATA SET COULD BE IMPROVED 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 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 795011 1840 1967 .74 .75 .77 .70 .72 2 795012 1813 1988 .51 .64 .81 .78 .70 .69 .69 3 795051 1839 1988 .70 .81 .73 .70 .67 .50 4 795052 1851 1988 .77 .78 .69 .71 .70 5 795061 1821 1988 .46 .56 .60 .71 .70 .83 .86 6 795062 1822 1988 .57 .58 .42 .01B-.08B .50 .67 7 795071 1852 1988 .65 .66 .67 .72 .81 8 795072 1830 1988 .70 .66 .74 .37 .36 .78 9 795081 1867 1988 .83 .78 .56 .57 .64 10 795082 1826 1988 .76 .86 .79 .72 .63 .67 11 795091 1847 1988 .56 .57 .68 .58 .62 .59 12 795092 1850 1988 .67 .42 .28A .63 .64 13 795101 1860 1988 .86 .80 .76 .75 .75 14 795102 1839 1988 .79 .87 .79 .63 .67 .76 15 795111 1843 1988 .85 .86 .80 .68 .68 .76 16 795112 1817 1988 .27A .49 .78 .82 .68 .72 .71 17 795121 1826 1988 .05B-.15B .22B .61 .27A .27B 18 795122 1826 1988 .07B-.10B .30B .52 .58 .67 19 795131 1836 1988 .73 .77 .78 .66 .75 .80 20 795132 1865 1988 .75 .66 .47 .62 .71 21 795141 1836 1988 .39B .42B .50 .59 .59 .69 22 795142 1826 1988 .68 .75 .61 .55 .70 .71 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 795011 1840 1967 128 5 0 0.741 1.15 2.17 0.299 0.547 0.193 1.98 0.358 -0.015 1 2 795012 1813 1988 176 7 0 0.696 0.80 1.88 0.293 0.784 0.188 1.99 0.370 -0.040 1 3 795051 1839 1988 150 6 0 0.651 0.84 1.55 0.293 0.783 0.186 1.92 0.314 0.060 1 4 795052 1851 1988 138 5 0 0.731 0.61 1.24 0.246 0.845 0.190 1.99 0.387 -0.004 1 5 795061 1821 1988 168 7 0 0.685 0.76 1.63 0.259 0.731 0.207 1.93 0.327 -0.005 1 6 795062 1822 1988 167 7 2 0.426 0.52 1.76 0.363 0.896 0.200 1.99 0.357 -0.059 1 7 795071 1852 1988 137 5 0 0.710 1.24 3.34 0.737 0.870 0.207 1.86 0.294 0.001 1 8 795072 1830 1988 159 6 0 0.592 0.93 2.62 0.516 0.863 0.202 1.79 0.281 0.005 1 9 795081 1867 1988 122 5 0 0.700 1.23 2.86 0.455 0.739 0.203 1.81 0.303 0.025 1 10 795082 1826 1988 163 6 0 0.739 1.06 2.90 0.470 0.842 0.191 1.92 0.349 -0.010 1 11 795091 1847 1988 142 6 0 0.605 0.70 1.97 0.393 0.894 0.204 1.94 0.309 0.016 1 12 795092 1850 1988 139 5 1 0.574 0.77 1.75 0.397 0.879 0.213 2.02 0.333 -0.008 1 13 795101 1860 1988 129 5 0 0.799 1.32 2.64 0.392 0.685 0.206 1.86 0.281 0.009 1 14 795102 1839 1988 150 6 0 0.752 1.18 2.23 0.450 0.819 0.189 1.76 0.255 -0.013 1 15 795111 1843 1988 146 6 0 0.769 1.30 2.63 0.379 0.649 0.189 1.83 0.256 -0.024 1 16 795112 1817 1988 172 7 1 0.648 1.00 2.29 0.409 0.821 0.188 1.95 0.320 -0.023 1 17 795121 1826 1988 163 6 5 0.206 0.93 4.24 0.846 0.771 0.283 2.21 0.394 0.026 1 18 795122 1826 1988 163 6 3 0.337 1.20 5.05 1.103 0.943 0.185 2.10 0.366 -0.065 1 19 795131 1836 1988 153 6 0 0.756 0.59 1.85 0.318 0.856 0.224 2.11 0.350 -0.023 1 20 795132 1865 1988 124 5 0 0.681 0.66 2.27 0.423 0.866 0.264 1.92 0.362 0.003 1 21 795141 1836 1988 153 6 2 0.570 1.55 3.16 0.623 0.840 0.201 1.80 0.249 -0.039 1 22 795142 1826 1988 163 6 0 0.662 1.66 4.25 0.659 0.815 0.175 2.05 0.375 -0.036 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3305 129 14 0.632 1.00 5.05 0.473 0.809 0.204 2.21 0.328 -0.011