Chronology file name : NONE Measurement file name : CANA073.RWL Date checked : 16JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1852 Ending year : 1988 Principal investigators: F.H. SCHWEINGRUBER Site name : LAC NATUAK (TROCKEN) Site location : CANADA Species information : PCMA BLACK SPRUCE Latitude : 5713N Longitude : 7130W Elevation : 500 M Series intercorrelation: 0.558 Avg mean sensitivity : 0.192 Avg standard deviation : 0.256 Avg autocorrelation : 0.786 Number dated series : 23 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 7.14 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: #14 839492 1861-1924 HAS LOW CORRELATION EXCELLENT HIGH QUALITY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 17:36 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 1850 1875 1900 1925 1950 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 839411 1855 1967 .51 .49 .67 .67 2 839412 1852 1988 .53 .54 .69 .71 .68 3 839421 1859 1950 .31A .41 .64 .64 4 839422 1861 1988 .50 .55 .66 .72 .66 5 839431 1897 1988 .57 .61 .50 .43 6 839432 1904 1988 .53 .68 .52 7 839461 1899 1988 .61 .62 .55 .46 8 839462 1868 1988 .38 .42 .51 .72 .63 9 839471 1898 1987 .58 .66 .66 .63 10 839472 1906 1988 .68 .75 .80 11 839481 1911 1988 .70 .63 .38 12 839482 1913 1988 .25B .39 .75 13 839491 1862 1988 .42 .29B .42 .72 .65 14 839492 1861 1988 .25B .27B .35 .77 .70 15 839501 1911 1988 .35 .36 .38 16 839502 1908 1988 .50 .70 .69 17 839511 1879 1935 .68 .64 18 839512 1876 1980 .36B .43 .67 .54 19 839521 1946 1988 .77 20 839522 1941 1988 .61 21 839531 1885 1988 .51 .63 .81 .79 22 839532 1884 1988 .62 .74 .72 .69 23 839542 1860 1988 .39 .58 .73 .74 .73 PART 7: DESCRIPTIVE STATISTICS: 17:36 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 839411 1855 1967 113 4 0 0.594 0.52 0.97 0.185 0.797 0.173 1.98 0.353 0.006 1 2 839412 1852 1988 137 5 0 0.649 0.44 0.72 0.126 0.767 0.143 2.12 0.430 0.018 1 3 839421 1859 1950 92 4 1 0.468 0.54 1.28 0.191 0.795 0.164 2.16 0.445 -0.015 1 4 839422 1861 1988 128 5 0 0.619 0.42 1.15 0.220 0.898 0.183 1.94 0.328 -0.048 2 5 839431 1897 1988 92 4 0 0.471 0.80 2.67 0.518 0.839 0.234 2.11 0.404 -0.009 2 6 839432 1904 1988 85 3 0 0.490 0.68 1.66 0.348 0.856 0.189 2.06 0.348 -0.051 3 7 839461 1899 1988 90 4 0 0.511 0.80 2.73 0.529 0.789 0.247 2.11 0.391 0.008 2 8 839462 1868 1988 121 5 0 0.522 0.38 1.08 0.220 0.940 0.154 2.03 0.366 -0.039 1 9 839471 1898 1987 90 4 0 0.593 0.74 1.50 0.325 0.650 0.287 2.05 0.381 0.033 1 10 839472 1906 1988 83 3 0 0.726 0.75 1.41 0.279 0.575 0.242 2.13 0.424 -0.006 2 11 839481 1911 1988 78 3 0 0.455 0.54 1.01 0.203 0.694 0.272 1.74 0.246 -0.040 1 12 839482 1913 1988 76 3 1 0.460 0.65 1.17 0.220 0.643 0.206 2.31 0.583 0.036 1 13 839491 1862 1988 127 5 1 0.452 0.46 0.93 0.211 0.818 0.187 1.76 0.204 -0.039 1 14 839492 1861 1988 128 5 2 0.484 0.41 0.83 0.173 0.837 0.183 1.79 0.178 -0.021 1 15 839501 1911 1988 78 3 0 0.431 0.79 1.58 0.261 0.425 0.225 1.84 0.236 -0.059 1 16 839502 1908 1988 81 3 0 0.602 0.81 1.46 0.296 0.596 0.234 1.90 0.363 -0.019 1 17 839511 1879 1935 57 2 0 0.649 0.72 1.26 0.161 0.604 0.156 1.96 0.327 -0.033 1 18 839512 1876 1980 105 4 1 0.495 0.45 1.34 0.279 0.922 0.182 2.01 0.340 0.053 1 19 839521 1946 1988 43 1 0 0.772 0.75 1.78 0.360 0.895 0.154 1.95 0.424 -0.052 1 20 839522 1941 1988 48 1 0 0.615 0.73 1.64 0.313 0.891 0.130 2.16 0.424 -0.025 1 21 839531 1885 1988 104 4 0 0.641 0.56 1.17 0.256 0.812 0.197 1.92 0.313 -0.003 1 22 839532 1884 1988 105 4 0 0.659 0.56 1.38 0.255 0.845 0.167 1.97 0.337 0.040 1 23 839542 1860 1988 129 5 0 0.590 0.40 1.25 0.197 0.901 0.152 2.11 0.363 -0.003 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2190 84 6 0.558 0.57 2.73 0.256 0.786 0.192 2.31 0.349 -0.010