Chronology file name : NONE Measurement file name : CANA079.RWL Date checked : 16JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1802 Ending year : 1988 Principal investigators: F.H. SCHWEINGRUBER Site name : WEBEQUIE Site location : CANADA Species information : PCGL WHITE SPRUCE Latitude : 5304N Longitude : 8720W Elevation : 645 M Series intercorrelation: 0.452 Avg mean sensitivity : 0.177 Avg standard deviation : 0.378 Avg autocorrelation : 0.874 Number dated series : 24 Segment length tested : 50 Number problem segments: 25 Pct problem segments : 18.94 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: #4 846022 HAS LOW CORRELATIONS #6 846032 SHOULD BE DIVIDED INTO TWO SERIES RATHER THAN BE MISSING ALL RINGS 1934-1941 SOME INNER SEGMENTS WITH LOW CORRELATIONS ALL FLAGS = LOW CORRELATIONS WITH MASTER, DATA SET COULD BE IMPROVED PART 5: CORRELATION OF SERIES BY SEGMENTS: 17:40 Tue 16 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 846011 1802 1988 .58 .49 .17B .32A .44 .58 .59 2 846012 1818 1988 .51 .48 .47 .59 .62 .59 .46 3 846021 1812 1988 .30A .49 .36 .56 .63 .47 .47 4 846022 1820 1988 .53 .63 .25A .13B .30B .46 .56 5 846031 1849 1985 .38 .39 .50 .58 .60 .66 6 846032 1854 1988 .15B .20B .43 .53 .66 7 846041 1890 1988 .53 .61 .71 .69 8 846042 1891 1988 .46 .59 .69 .74 9 846081 1883 1988 .53 .70 .63 .52 10 846082 1885 1988 .36 .47 .53 .59 11 846091 1885 1988 .36 .54 .56 .51 12 846092 1882 1988 .47 .50 .63 .64 13 846101 1828 1988 .50 .19A .39 .71 .75 .57 14 846102 1829 1988 .17B .08B .37 .57 .64 .63 15 846111 1830 1988 .17B .33 .40 .50 .60 .67 16 846112 1830 1988 .43 .42 .02B .12B .33 .41 17 846131 1841 1988 .45 .41 .31A .27A .34 .31A 18 846132 1835 1988 .41 .45 .15B .36 .56 .46 19 846141 1811 1988 .47 .62 .36 .40 .51 .57 .51 20 846142 1809 1951 .49 .40 .35 .42 .46 .40 21 846151 1811 1968 .36 .26B .23A .56 .65 .46 22 846152 1826 1988 .26B .25B .46 .51 .70 .71 23 846161 1885 1988 .29B .45 .44 .52 24 846162 1885 1988 -.13B .16B .40 .51 PART 7: DESCRIPTIVE STATISTICS: 17:40 Tue 16 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 846011 1802 1988 187 7 2 0.484 0.50 1.06 0.187 0.706 0.210 1.98 0.264 0.013 1 2 846012 1818 1988 171 7 0 0.512 0.47 1.24 0.200 0.845 0.187 2.15 0.412 -0.001 1 3 846021 1812 1988 177 7 1 0.451 0.73 2.16 0.342 0.900 0.152 1.90 0.297 -0.034 1 4 846022 1820 1988 169 7 3 0.394 0.66 1.93 0.365 0.836 0.185 1.73 0.198 -0.055 1 5 846031 1849 1985 137 6 0 0.519 1.00 2.36 0.519 0.906 0.181 2.18 0.366 -0.107 1 6 846032 1854 1988 135 5 2 0.392 0.74 1.93 0.339 0.839 0.197 1.86 0.244 0.020 1 7 846041 1890 1988 99 4 0 0.616 0.87 1.51 0.272 0.845 0.137 1.93 0.321 -0.056 1 8 846042 1891 1988 98 4 0 0.612 0.90 1.40 0.280 0.778 0.167 2.16 0.468 -0.004 1 9 846081 1883 1988 106 4 0 0.581 0.62 1.34 0.261 0.909 0.148 1.90 0.321 -0.024 1 10 846082 1885 1988 104 4 0 0.467 0.58 1.33 0.334 0.942 0.173 2.05 0.397 0.012 2 11 846091 1885 1988 104 4 0 0.492 0.94 1.87 0.354 0.836 0.169 2.13 0.441 -0.003 1 12 846092 1882 1988 107 4 0 0.591 0.74 1.63 0.306 0.885 0.150 1.86 0.359 -0.015 1 13 846101 1828 1988 161 6 1 0.520 0.61 3.31 0.493 0.933 0.182 2.05 0.356 -0.041 1 14 846102 1829 1988 160 6 2 0.421 0.69 1.97 0.323 0.872 0.177 2.07 0.399 -0.016 3 15 846111 1830 1988 159 6 1 0.428 0.68 1.66 0.325 0.826 0.168 2.10 0.284 0.034 1 16 846112 1830 1988 159 6 2 0.319 0.70 2.68 0.603 0.958 0.152 2.01 0.361 -0.025 1 17 846131 1841 1988 148 6 3 0.342 0.76 1.98 0.413 0.874 0.192 1.91 0.336 0.009 1 18 846132 1835 1988 154 6 1 0.419 0.75 1.90 0.394 0.876 0.172 2.00 0.335 0.022 1 19 846141 1811 1988 178 7 0 0.466 0.62 1.90 0.365 0.877 0.199 2.11 0.316 -0.016 1 20 846142 1809 1951 143 6 0 0.392 0.75 2.61 0.540 0.912 0.192 2.39 0.291 -0.012 1 21 846151 1811 1968 158 6 2 0.441 0.65 1.92 0.361 0.930 0.169 1.88 0.273 -0.041 1 22 846152 1826 1988 163 6 2 0.463 0.57 1.57 0.364 0.876 0.224 1.92 0.311 -0.031 1 23 846161 1885 1988 104 4 1 0.434 0.89 2.14 0.496 0.931 0.166 2.24 0.491 -0.027 1 24 846162 1885 1988 104 4 2 0.209 1.07 3.17 0.704 0.932 0.136 2.19 0.417 -0.021 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3385 132 25 0.452 0.71 3.31 0.378 0.874 0.177 2.39 0.336 -0.017