Chronology file name : NONE Measurement file name : CANA072.RWL Date checked : 05FEB96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1743 Ending year : 1988 Principal investigators: F.H. SCHWEINGRUBER Site name : LAC NATUAK Site location : CANADA Species information : PCMA BLACK SPRUCE Latitude : 5713N Longitude : 7130W Elevation : 500 M Series intercorrelation: 0.523 Avg mean sensitivity : 0.189 Avg standard deviation : 0.201 Avg autocorrelation : 0.830 Number dated series : 23 Segment length tested : 50 Number problem segments: 17 Pct problem segments : 12.98 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: #23 839161 1835-1884, #4 839022 1859-1924 HAVE LOW CORRELATIONS ALL FLAGS = LOW CORRELATIONS WITH MASTER VERY GOOD DATA SET 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 839011 1833 1988 .72 .78 .73 .66 .64 .50 2 839012 1827 1988 .62 .70 .62 .64 .65 .56 3 839021 1818 1988 .50 .48 .35 .46 .62 .48 .36 4 839022 1859 1988 .26B .29B .73 .62 .26A 5 839031 1743 1926 .29A .26A .54 .53 .24B .33 .32A 6 839032 1752 1900 .33A .39 .65 .61 .52 .49 7 839041 1849 1937 .58 .57 .58 .55 8 839042 1848 1977 .38 .35 .64 .71 .63 .55 9 839051 1784 1962 .33A .40 .28A .28B .65 .44 .35 10 839052 1789 1988 .44 .48 .46 .56 .58 .66 .67 .52 11 839081 1815 1928 .70 .72 .69 .49 .44 12 839082 1812 1938 .65 .74 .64 .61 .57 13 839091 1844 1988 .59 .67 .71 .34 .39 .74 14 839092 1841 1979 .35B .38 .33B .54 .47 .52 15 839101 1823 1964 .70 .72 .34B .36 .63 .64 16 839102 1800 1988 .65 .76 .61 .58 .57 .52 .51 17 839111 1834 1980 .68 .70 .72 .72 .65 .61 18 839112 1829 1956 .12B .31A .74 .60 .55 19 839122 1886 1988 .66 .68 .63 .52 20 839151 1866 1961 .58 .58 .73 .68 21 839152 1867 1961 .71 .76 .72 .70 22 839161 1823 1988 .67 .66 .65 .35 .41 .75 .67 23 839162 1835 1925 .18B .48 .71 .71 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 839011 1833 1988 156 6 0 0.655 0.39 0.90 0.170 0.866 0.166 1.92 0.318 0.009 2 2 839012 1827 1988 162 6 0 0.627 0.35 0.74 0.135 0.801 0.177 2.07 0.403 0.028 2 3 839021 1818 1988 171 7 0 0.473 0.29 0.69 0.127 0.849 0.174 2.28 0.420 -0.043 1 4 839022 1859 1988 130 5 3 0.343 0.37 0.77 0.131 0.743 0.207 1.76 0.226 -0.021 3 5 839031 1743 1926 184 7 4 0.357 0.38 1.19 0.222 0.891 0.192 2.00 0.305 -0.068 1 6 839032 1752 1900 149 6 1 0.484 0.41 1.73 0.244 0.844 0.173 1.94 0.337 -0.053 1 7 839041 1849 1937 89 4 0 0.503 0.43 0.97 0.169 0.748 0.175 2.06 0.404 -0.046 2 8 839042 1848 1977 130 6 0 0.511 0.35 1.29 0.227 0.852 0.210 2.01 0.349 -0.006 1 9 839051 1784 1962 179 7 3 0.363 0.35 0.71 0.108 0.676 0.198 1.85 0.210 0.010 2 10 839052 1789 1988 200 8 0 0.528 0.43 1.15 0.219 0.902 0.183 2.00 0.337 0.017 1 11 839081 1815 1928 114 5 0 0.578 0.58 1.06 0.254 0.826 0.190 1.98 0.344 -0.009 1 12 839082 1812 1938 127 5 0 0.621 0.49 1.01 0.247 0.875 0.183 1.91 0.267 -0.068 1 13 839091 1844 1988 145 6 0 0.542 0.46 0.91 0.204 0.746 0.205 1.97 0.284 0.020 1 14 839092 1841 1979 139 6 2 0.448 0.38 0.96 0.182 0.790 0.203 2.00 0.319 0.050 1 15 839101 1823 1964 142 6 1 0.514 0.40 0.82 0.147 0.757 0.223 1.77 0.196 -0.040 1 16 839102 1800 1988 189 7 0 0.575 0.38 1.06 0.221 0.916 0.184 2.15 0.402 -0.041 1 17 839111 1834 1980 147 6 0 0.670 0.65 1.45 0.360 0.927 0.188 1.92 0.327 -0.005 1 18 839112 1829 1956 128 5 2 0.407 0.71 1.64 0.272 0.762 0.190 1.76 0.225 -0.037 1 19 839122 1886 1988 103 4 0 0.595 0.38 1.06 0.202 0.894 0.180 2.20 0.469 -0.031 1 20 839151 1866 1961 96 4 0 0.619 0.53 1.17 0.215 0.841 0.161 2.22 0.409 0.022 1 21 839152 1867 1961 95 4 0 0.696 0.43 1.03 0.189 0.889 0.153 2.05 0.356 0.011 1 22 839161 1823 1988 166 7 0 0.565 0.40 0.92 0.211 0.844 0.236 1.80 0.235 -0.024 1 23 839162 1835 1925 91 4 1 0.471 0.52 1.05 0.182 0.812 0.165 1.81 0.321 -0.011 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3232 131 17 0.523 0.43 1.73 0.201 0.830 0.189 2.28 0.321 -0.015