Chronology file name : NONE Measurement file name : CANA075.RWL Date checked : 05FEB96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1797 Ending year : 1988 Principal investigators: F.H. SCHWEINGRUBER Site name : LAC CHEVRILLON Site location : CANADA Species information : PCMA BLACK SPRUCE Latitude : 5001N Longitude : 7427W Elevation : 1200 M Series intercorrelation: 0.468 Avg mean sensitivity : 0.197 Avg standard deviation : 0.298 Avg autocorrelation : 0.828 Number dated series : 24 Segment length tested : 50 Number problem segments: 25 Pct problem segments : 19.38 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: #7 814041 1880-1949 HAS LOW CORRELATION #17 841091 1875-1951, #21 841111 1875-1961 ARE POSSIBLY MISDATED PART 5: CORRELATION OF SERIES BY SEGMENTS: 16:12 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 1775 1800 1825 1850 1875 1900 1925 1950 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 841011 1826 1982 .27A .35B .37B .47 .37 .34 2 841012 1826 1947 .26A .34 .33B .39 3 841021 1876 1988 .60 .68 .75 .72 4 841022 1893 1988 .54 .50 .52 .58 5 841031 1890 1988 .57 .61 .59 .72 6 841032 1805 1988 .21B .33 .48 .60 .59 .58 .66 7 841041 1880 1988 .19B .20B .59 .44 8 841042 1881 1988 .34 .29A .57 .69 9 841051 1799 1988 .60 .59 .46 .46 .46 .55 .58 .69 10 841052 1847 1988 .50 .52 .61 .62 .61 .60 11 841061 1903 1988 .54 .41 .48 12 841062 1900 1988 .47 .49 .65 13 841071 1797 1919 .35 .35 .43 .32A .26B 14 841072 1808 1956 .49 .49 .50 .39B .42B .47 15 841081 1802 1988 .46 .61 .48 .50 .66 .67 .65 16 841082 1802 1988 .51 .46 .35 .44 .63 .64 .72 17 841091 1861 1951 .45 .00B .12B .17B 18 841092 1832 1975 -.03B .43 .43 .56 .64 .65 19 841101 1834 1988 .60 .65 .74 .72 .52 .60 20 841102 1818 1988 .28B .25B .16B .57 .65 .60 .59 21 841111 1841 1961 .55 .48 .24B .12B-.02B 22 841112 1818 1939 .37 .43 .57 .56 .54 23 841121 1816 1984 .31A .34 .46 .47 .36 .41 .33A 24 841122 1812 1987 .41 .42 .49 .56 .65 .60 .55 PART 7: DESCRIPTIVE STATISTICS: 16:12 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 841011 1826 1982 157 6 3 0.337 0.41 1.13 0.216 0.901 0.198 2.05 0.378 -0.028 1 2 841012 1826 1947 122 4 2 0.344 0.67 1.83 0.354 0.882 0.188 2.21 0.458 -0.037 1 3 841021 1876 1988 113 4 0 0.658 0.54 1.14 0.203 0.835 0.179 2.25 0.360 0.058 1 4 841022 1893 1988 96 4 0 0.564 0.53 0.90 0.162 0.746 0.186 2.02 0.396 0.045 1 5 841031 1890 1988 99 4 0 0.651 0.54 0.96 0.153 0.758 0.168 1.96 0.286 0.025 2 6 841032 1805 1988 184 7 1 0.473 0.50 1.19 0.231 0.793 0.215 2.00 0.306 -0.021 2 7 841041 1880 1988 109 4 2 0.312 0.72 1.61 0.297 0.728 0.252 1.76 0.206 -0.059 1 8 841042 1881 1988 108 4 1 0.493 0.52 1.02 0.196 0.765 0.244 1.83 0.276 0.026 1 9 841051 1799 1988 190 8 0 0.551 0.47 1.22 0.231 0.878 0.175 1.88 0.257 -0.038 1 10 841052 1847 1988 142 6 0 0.583 0.80 1.68 0.297 0.859 0.158 2.02 0.330 -0.005 1 11 841061 1903 1988 86 3 0 0.496 0.74 1.26 0.241 0.493 0.242 1.89 0.323 0.092 1 12 841062 1900 1988 89 3 0 0.571 0.70 1.27 0.252 0.794 0.178 2.02 0.341 0.087 1 13 841071 1797 1919 123 5 2 0.322 0.73 2.42 0.379 0.897 0.163 2.03 0.376 -0.010 1 14 841072 1808 1956 149 6 2 0.464 0.68 1.48 0.240 0.767 0.193 2.02 0.302 -0.043 1 15 841081 1802 1988 187 7 0 0.564 0.81 2.10 0.433 0.834 0.255 1.81 0.227 -0.006 1 16 841082 1802 1988 187 7 0 0.563 0.66 2.04 0.417 0.920 0.218 2.02 0.362 0.011 1 17 841091 1861 1951 91 4 3 0.244 1.02 1.72 0.380 0.664 0.200 1.79 0.218 -0.068 1 18 841092 1832 1975 144 6 1 0.303 0.76 1.41 0.286 0.747 0.213 1.85 0.220 -0.011 1 19 841101 1834 1988 155 6 0 0.644 0.69 1.38 0.327 0.898 0.166 1.94 0.343 0.026 1 20 841102 1818 1988 171 7 3 0.441 0.63 1.52 0.309 0.786 0.234 1.76 0.194 -0.026 1 21 841111 1841 1961 121 5 3 0.208 0.61 1.49 0.362 0.955 0.159 2.19 0.396 -0.007 1 22 841112 1818 1939 122 5 0 0.487 0.63 1.57 0.340 0.930 0.159 2.08 0.383 0.001 1 23 841121 1816 1984 169 7 2 0.365 0.51 2.48 0.309 0.841 0.172 2.04 0.400 0.009 1 24 841122 1812 1987 176 7 0 0.503 0.66 1.78 0.372 0.904 0.197 2.13 0.366 -0.013 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3290 129 25 0.468 0.64 2.48 0.298 0.828 0.197 2.25 0.319 -0.004