Chronology file name : NONE Measurement file name : CANA045.RWL Date checked : 05FEB96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1841 Ending year : 1988 Principal investigators: F. H. SCHWEINGRUBER Site name : WILLOW LAKE Site location : CANADA Species information : PCMA BLACK SPRUCE Latitude : 6210N Longitude : 11908W Elevation : 620 M Series intercorrelation: 0.591 Avg mean sensitivity : 0.180 Avg standard deviation : 0.258 Avg autocorrelation : 0.860 Number dated series : 23 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 1.87 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: EXCELLENT HIGH QUAILTY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 16:09 Tue 05 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 812011 1852 1988 .79 .75 .72 .77 .75 2 812012 1845 1957 .34 .54 .53 .51 .54 3 812021 1844 1988 .32A .63 .79 .70 .69 .68 4 812022 1876 1988 .64 .65 .56 .60 5 812041 1850 1919 .49 .46 6 812042 1853 1988 .51 .57 .77 .78 .77 7 812051 1884 1988 .55 .51 .62 .68 8 812052 1874 1988 .52 .53 .74 .77 .77 9 812061 1851 1988 .38 .56 .63 .59 .70 10 812062 1851 1957 .55 .66 .57 .47 11 812081 1876 1988 .51 .52 .59 .68 12 812091 1841 1988 .34 .33A .60 .76 .61 .66 13 812092 1852 1988 .60 .70 .77 .66 .60 14 812101 1844 1988 .53 .71 .80 .63 .40 .40 15 812102 1843 1964 .56 .68 .65 .52 .59 16 812111 1886 1981 .72 .67 .44 .46 17 812112 1884 1984 .59 .60 .49 .46 18 812121 1873 1988 .60 .62 .59 .44 .38 19 812122 1872 1988 .47 .47 .76 .62 .65 20 812141 1854 1975 .51 .50 .58 .63 .65 21 812142 1856 1988 .46 .56 .63 .56 .61 22 812151 1892 1988 .64 .60 .61 .60 23 812152 1891 1988 .69 .58 .52 .62 PART 7: DESCRIPTIVE STATISTICS: 16:09 Tue 05 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 812011 1852 1988 137 5 0 0.743 0.46 1.45 0.292 0.935 0.190 1.95 0.268 -0.043 1 2 812012 1845 1957 113 5 0 0.489 0.43 1.21 0.266 0.904 0.186 2.06 0.442 -0.004 1 3 812021 1844 1988 145 6 1 0.614 0.50 1.37 0.180 0.518 0.226 2.29 0.314 -0.042 1 4 812022 1876 1988 113 4 0 0.634 0.43 1.04 0.186 0.754 0.227 1.90 0.375 -0.050 1 5 812041 1850 1919 70 2 0 0.429 0.62 1.03 0.154 0.661 0.151 2.08 0.464 -0.003 1 6 812042 1853 1988 136 5 0 0.675 0.50 1.10 0.168 0.808 0.171 2.10 0.382 0.001 1 7 812051 1884 1988 105 4 0 0.611 0.42 1.19 0.195 0.803 0.189 2.10 0.416 -0.015 1 8 812052 1874 1988 115 5 0 0.670 0.39 0.99 0.146 0.723 0.199 2.09 0.380 -0.011 1 9 812061 1851 1988 138 5 0 0.568 0.42 1.15 0.236 0.926 0.167 1.88 0.280 -0.067 1 10 812062 1851 1957 107 4 0 0.545 0.37 1.06 0.258 0.937 0.213 2.02 0.420 -0.038 2 11 812081 1876 1988 113 4 0 0.574 0.49 1.34 0.264 0.911 0.186 2.05 0.370 0.005 1 12 812091 1841 1988 148 6 1 0.547 0.43 1.11 0.253 0.935 0.182 2.06 0.391 -0.002 1 13 812092 1852 1988 137 5 0 0.640 0.37 1.14 0.199 0.936 0.147 1.97 0.404 -0.054 1 14 812101 1844 1988 145 6 0 0.602 0.50 1.41 0.332 0.948 0.163 1.90 0.280 -0.053 1 15 812102 1843 1964 122 5 0 0.626 0.67 1.55 0.301 0.881 0.184 2.02 0.370 -0.016 1 16 812111 1886 1981 96 4 0 0.570 0.58 1.24 0.263 0.858 0.153 2.00 0.334 -0.073 1 17 812112 1884 1984 101 4 0 0.534 0.59 1.53 0.310 0.874 0.154 2.05 0.385 -0.034 1 18 812121 1873 1988 116 5 0 0.494 0.51 1.06 0.213 0.894 0.146 1.98 0.337 0.020 1 19 812122 1872 1988 117 5 0 0.581 0.52 2.12 0.373 0.883 0.173 2.09 0.417 -0.007 1 20 812141 1854 1975 122 5 0 0.521 0.47 1.32 0.349 0.955 0.166 1.86 0.330 0.021 1 21 812142 1856 1988 133 5 0 0.557 0.49 1.51 0.400 0.952 0.213 1.91 0.278 -0.006 1 22 812151 1892 1988 97 4 0 0.607 0.77 1.68 0.287 0.839 0.160 1.84 0.285 0.001 1 23 812152 1891 1988 98 4 0 0.649 0.63 1.46 0.268 0.860 0.164 1.91 0.323 -0.019 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2724 107 2 0.591 0.49 2.12 0.258 0.860 0.180 2.29 0.355 -0.022