Chronology file name : NONE Measurement file name : CANA038.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1822 Ending year : 1988 Principal investigators: F. H. SCHWEINGRUBER Site name : BRUNO LAKE Site location : CANADA Species information : PCGL WHITE SPRUCE Latitude : 5137N Longitude : 9550W Elevation : 1000 M Series intercorrelation: 0.620 Avg mean sensitivity : 0.225 Avg standard deviation : 0.505 Avg autocorrelation : 0.773 Number dated series : 23 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 1.65 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: #17 799102 1925-1988 HAS LOW CORRELATION AND SHOULD BE DELETED EXCELLENT HIGH QUALITY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 14:19 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 799021 1845 1988 .62 .63 .69 .76 .74 .78 2 799022 1872 1988 .56 .57 .70 .72 .80 3 799031 1830 1988 .61 .51 .49 .67 .69 .68 4 799032 1822 1988 .49 .54 .54 .69 .79 .81 5 799041 1897 1988 .53 .60 .61 .53 6 799051 1844 1988 .53 .58 .54 .60 .63 .67 7 799052 1848 1988 .56 .55 .47 .67 .71 .73 8 799061 1894 1988 .61 .65 .67 .68 9 799062 1876 1988 .77 .83 .81 .70 10 799071 1847 1988 .70 .73 .70 .71 .76 .81 11 799072 1846 1988 .57 .73 .75 .80 .81 .81 12 799081 1863 1988 .83 .79 .66 .61 .72 13 799082 1860 1988 .67 .53 .56 .69 .74 14 799091 1851 1988 .61 .49 .42 .54 .55 15 799092 1856 1988 .65 .50 .49 .71 .69 16 799101 1846 1988 .55 .62 .75 .49 .48 .68 17 799102 1850 1988 .60 .63 .36 .09B .00B 18 799111 1847 1970 .64 .67 .50 .61 .65 19 799112 1847 1988 .63 .59 .58 .64 .63 .43 20 799151 1844 1988 .72 .71 .63 .63 .72 .60 21 799152 1855 1988 .72 .60 .61 .65 .73 22 799161 1920 1988 .74 .74 .80 23 799162 1845 1988 .41 .61 .71 .64 .52 .51 PART 7: DESCRIPTIVE STATISTICS: 14:19 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 799021 1845 1988 144 6 0 0.699 0.83 1.55 0.259 0.585 0.225 2.15 0.429 -0.001 1 2 799022 1872 1988 117 5 0 0.659 0.81 2.05 0.340 0.692 0.273 1.98 0.353 -0.017 3 3 799031 1830 1988 159 6 0 0.598 0.53 2.28 0.427 0.883 0.283 2.03 0.343 -0.003 1 4 799032 1822 1988 167 6 0 0.623 0.58 2.55 0.594 0.931 0.280 1.99 0.366 -0.036 1 5 799041 1897 1988 92 4 0 0.511 1.82 5.63 1.176 0.860 0.260 1.88 0.291 0.033 1 6 799051 1844 1988 145 6 0 0.580 0.73 3.48 0.629 0.782 0.353 2.07 0.294 -0.020 1 7 799052 1848 1988 141 6 0 0.630 0.61 2.32 0.430 0.821 0.296 2.00 0.380 -0.078 1 8 799061 1894 1988 95 4 0 0.649 0.96 1.91 0.357 0.676 0.243 2.12 0.404 -0.023 2 9 799062 1876 1988 113 4 0 0.729 1.36 3.03 0.503 0.714 0.230 2.04 0.363 -0.001 1 10 799071 1847 1988 142 6 0 0.730 0.93 2.07 0.375 0.780 0.251 2.14 0.472 -0.024 1 11 799072 1846 1988 143 6 0 0.698 1.03 2.32 0.449 0.725 0.266 2.11 0.425 -0.016 1 12 799081 1863 1988 126 5 0 0.736 2.09 4.42 0.655 0.649 0.208 1.95 0.427 0.011 1 13 799082 1860 1988 129 5 0 0.623 1.73 4.06 0.662 0.700 0.214 2.04 0.361 0.042 1 14 799091 1851 1988 138 5 0 0.545 1.38 2.83 0.357 0.690 0.153 2.08 0.377 -0.029 1 15 799092 1856 1988 133 5 0 0.607 1.43 2.79 0.426 0.741 0.167 1.87 0.311 -0.055 1 16 799101 1846 1988 143 6 0 0.589 1.77 3.88 0.577 0.805 0.168 1.89 0.298 -0.034 1 17 799102 1850 1988 139 5 2 0.343 1.95 3.66 0.689 0.817 0.174 1.92 0.347 -0.062 1 18 799111 1847 1970 124 5 0 0.632 1.46 2.43 0.444 0.836 0.140 1.87 0.319 -0.008 1 19 799112 1847 1988 142 6 0 0.556 1.53 2.45 0.385 0.713 0.150 2.06 0.359 0.033 1 20 799151 1844 1988 145 6 0 0.632 1.14 3.74 0.586 0.836 0.214 1.98 0.339 0.002 1 21 799152 1855 1988 134 5 0 0.682 0.99 2.45 0.438 0.840 0.225 1.96 0.363 -0.005 1 22 799161 1920 1988 69 3 0 0.761 1.83 3.62 0.728 0.810 0.181 1.94 0.388 0.004 1 23 799162 1845 1988 144 6 0 0.532 1.03 2.00 0.416 0.825 0.196 2.06 0.397 0.048 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3024 121 2 0.620 1.20 5.63 0.505 0.773 0.225 2.15 0.366 -0.012