Chronology file name : NONE Measurement file name : CANA050.RWL Date checked : 29JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1709 Ending year : 1988 Principal investigators: F. H. SCHWEINGRUBER Site name : MOUNTAIN LAKE Site location : CANADA Species information : PCGL WHITE SPRUCE Latitude : 5329N Longitude : 5840W Elevation : 1500 M Series intercorrelation: 0.690 Avg mean sensitivity : 0.228 Avg standard deviation : 0.323 Avg autocorrelation : 0.799 Number dated series : 23 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 3.11 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: #21 817322 HAS LOW CORRELATIONS #23 817332 SHOULD BE DIVIDED INTO TWO SERIES RATHER THAN BE MISSING ALL RINGS 1905-1928 EXCELLENT HIGH QUALITY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 16:48 Mon 29 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 817211 1784 1981 .48 .41 .58 .77 .69 .72 .74 .70 2 817221 1815 1988 .60 .69 .78 .89 .77 .75 .81 3 817222 1827 1988 .79 .80 .76 .69 .79 .84 4 817231 1791 1988 .74 .75 .86 .85 .52 .50 .82 .81 5 817232 1745 1988 .47 .52 .58 .73 .80 .73 .68 .76 .85 .86 6 817241 1857 1988 .61 .68 .81 .79 .78 7 817242 1860 1988 .60 .70 .78 .53 .57 8 817251 1797 1988 .64 .66 .74 .75 .77 .59 .60 .63 9 817252 1795 1988 .49 .63 .71 .70 .73 .65 .66 .67 10 817261 1846 1988 .72 .74 .78 .82 .85 .81 11 817262 1791 1988 .51 .58 .78 .80 .76 .74 .78 .82 12 817271 1831 1988 .67 .67 .79 .74 .69 .69 13 817272 1826 1988 .68 .77 .77 .71 .75 .77 14 817281 1808 1988 .79 .80 .74 .79 .80 .83 .86 15 817282 1808 1988 .71 .67 .68 .71 .76 .76 .83 16 817301 1729 1988 .76 .72 .60 .62 .58 .66 .83 .74 .63 .66 17 817302 1709 1987 .76 .72 .65 .55 .59 .72 .66 .63 .66 .55 18 817311 1842 1936 .75 .75 .76 .79 19 817312 1807 1988 .62 .73 .76 .76 .81 .83 .81 20 817321 1824 1988 .76 .77 .81 .82 .82 .83 .83 21 817322 1813 1987 .17B .19B .23A .70 .63 .73 .57 22 817331 1855 1987 .48 .79 .77 .74 .70 23 817332 1835 1987 .43 .41 .20B .17B .67 .63 PART 7: DESCRIPTIVE STATISTICS: 16:48 Mon 29 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 817211 1784 1981 198 8 0 0.632 0.49 1.25 0.246 0.860 0.219 1.96 0.228 -0.020 1 2 817221 1815 1988 174 7 0 0.746 0.59 1.34 0.329 0.823 0.254 2.00 0.320 -0.020 2 3 817222 1827 1988 162 6 0 0.791 0.62 2.52 0.401 0.815 0.279 2.02 0.351 0.014 2 4 817231 1791 1988 198 8 0 0.719 0.43 0.95 0.191 0.777 0.246 1.94 0.259 -0.017 1 5 817232 1745 1988 244 10 0 0.702 0.47 1.43 0.327 0.892 0.265 2.20 0.361 -0.038 1 6 817241 1857 1988 132 5 0 0.724 0.96 1.94 0.286 0.609 0.197 2.01 0.391 -0.015 2 7 817242 1860 1988 129 5 0 0.612 0.98 1.88 0.260 0.358 0.236 1.87 0.273 -0.008 1 8 817251 1797 1988 192 8 0 0.673 0.71 2.13 0.385 0.911 0.171 2.08 0.374 -0.034 1 9 817252 1795 1988 194 8 0 0.643 0.71 1.88 0.407 0.896 0.189 2.00 0.355 -0.062 1 10 817261 1846 1988 143 6 0 0.792 0.50 1.06 0.207 0.731 0.207 2.12 0.320 -0.002 2 11 817262 1791 1988 198 8 0 0.710 0.43 1.13 0.232 0.780 0.259 1.97 0.311 0.006 2 12 817271 1831 1988 158 6 0 0.718 0.71 2.07 0.538 0.922 0.216 2.10 0.379 -0.017 2 13 817272 1826 1988 163 6 0 0.736 0.75 1.96 0.496 0.891 0.229 1.95 0.269 -0.026 2 14 817281 1808 1988 181 7 0 0.795 0.61 1.32 0.294 0.838 0.217 2.03 0.309 -0.027 1 15 817282 1808 1988 181 7 0 0.720 0.55 1.35 0.228 0.763 0.216 2.11 0.342 -0.014 2 16 817301 1729 1988 260 10 0 0.692 0.68 1.79 0.311 0.811 0.245 1.89 0.268 -0.035 1 17 817302 1709 1987 279 10 0 0.643 0.61 1.73 0.340 0.834 0.256 2.20 0.390 -0.034 1 18 817311 1842 1936 95 4 0 0.780 1.00 1.63 0.290 0.733 0.164 1.94 0.352 -0.031 1 19 817312 1807 1988 182 7 0 0.740 0.63 1.09 0.169 0.577 0.194 1.97 0.288 -0.021 1 20 817321 1824 1988 165 7 0 0.809 0.70 1.85 0.410 0.881 0.225 1.78 0.252 -0.010 1 21 817322 1813 1987 175 7 3 0.463 0.64 1.55 0.346 0.802 0.231 2.02 0.370 -0.047 1 22 817331 1855 1987 133 5 0 0.643 0.87 1.83 0.451 0.823 0.248 1.96 0.328 0.000 1 23 817332 1835 1987 153 6 2 0.437 0.52 1.38 0.322 0.802 0.229 2.00 0.306 -0.009 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4089 161 5 0.690 0.64 2.52 0.323 0.799 0.228 2.20 0.321 -0.022