Chronology file name : NONE Measurement file name : MT107.RWL Date checked : 12MAR96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1782 Ending year : 1983 Principal investigators: K. BRIFFA AND F.H. SCHWEINGRUBER Site name : SKALKAHO PASS BITTERROOT Site location : MONTANA, USA Species information : PCEN ENGELMANN SPRUCE Latitude : 4614N Longitude : 11346W Elevation : 2160 M Series intercorrelation: 0.538 Avg mean sensitivity : 0.134 Avg standard deviation : 0.522 Avg autocorrelation : 0.824 Number dated series : 26 Segment length tested : 50 Number problem segments: 16 Pct problem segments : 8.84 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 747091, #21 747111 BOTH SHOULD BE DELETED ALL OTHER FLAGS = LOW CORRELATIONS WITH MASTER DESPITE THE TWO SHORT SERIES, DATA SET IS STILL VERY USEFUL PART 5: CORRELATION OF SERIES BY SEGMENTS: 10:53 Tue 12 MAR 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 747011 1820 1983 .54 .56 .44 .52 .64 .52 .38 2 747012 1827 1983 .47 .19B .25B .43 .47 .46 3 747021 1782 1983 .60 .57 .69 .68 .71 .73 .77 .69 4 747022 1786 1983 .47 .55 .68 .61 .67 .72 .71 .63 5 747031 1823 1983 .50 .53 .61 .68 .71 .55 .37 6 747032 1836 1983 .60 .54 .44 .61 .72 .62 7 747041 1824 1983 .53 .54 .71 .69 .59 .56 .59 8 747042 1831 1983 .34 .46 .67 .61 .54 .56 9 747051 1822 1983 .53 .59 .54 .66 .65 .52 .48 10 747052 1834 1983 .57 .58 .84 .77 .62 .59 11 747061 1803 1981 .59 .58 .53 .71 .61 .45 .29A 12 747062 1817 1983 .53 .59 .69 .68 .50 .37 .35 13 747071 1805 1983 .52 .64 .71 .69 .66 .50 .35 14 747072 1787 1983 .43 .46 .64 .61 .65 .55 .50 .42 15 747081 1801 1983 .53 .55 .53 .64 .73 .66 .49 16 747082 1815 1983 .51 .58 .54 .65 .63 .59 .51 17 747091 1790 1983 .49 .44 .50 .42 .15B-.07B .35 .42 18 747092 1799 1983 .55 .55 .62 .64 .59 .69 .72 .64 19 747101 1805 1983 .57 .62 .65 .66 .73 .72 .61 20 747102 1792 1983 .66 .56 .65 .73 .74 .62 .60 .59 21 747111 1795 1983 .20B .32A .42 .07B-.02B .17B .49 .55 22 747112 1786 1983 .49 .57 .62 .57 .53 .31A .22B .27B 23 747121 1853 1983 .52 .72 .67 .47 .52 24 747122 1850 1983 .41 .61 .51 .36 .55 25 747131 1809 1983 .25B .33A .23A .45 .51 .55 .49 26 747132 1828 1983 .41 .44 .52 .62 .69 .57 PART 7: DESCRIPTIVE STATISTICS: 10:53 Tue 12 MAR 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 747011 1820 1983 164 7 0 0.494 1.97 6.49 0.804 0.802 0.149 2.02 0.365 -0.010 1 2 747012 1827 1983 157 6 2 0.374 1.76 3.03 0.529 0.751 0.165 1.92 0.327 -0.007 1 3 747021 1782 1983 202 8 0 0.697 1.83 3.85 0.661 0.802 0.170 1.97 0.353 0.005 1 4 747022 1786 1983 198 8 0 0.629 1.71 3.00 0.445 0.679 0.160 2.11 0.340 -0.019 1 5 747031 1823 1983 161 7 0 0.566 1.72 2.91 0.471 0.781 0.135 1.99 0.378 -0.037 2 6 747032 1836 1983 148 6 0 0.558 2.08 3.43 0.506 0.767 0.136 1.86 0.244 0.022 2 7 747041 1824 1983 160 7 0 0.609 1.49 3.04 0.435 0.780 0.133 2.02 0.272 0.028 1 8 747042 1831 1983 153 6 0 0.510 1.66 3.70 0.560 0.850 0.135 1.98 0.360 0.013 1 9 747051 1822 1983 162 7 0 0.572 1.35 2.17 0.279 0.757 0.114 1.96 0.333 -0.048 1 10 747052 1834 1983 150 6 0 0.649 1.63 3.24 0.400 0.812 0.122 1.94 0.365 0.001 1 11 747061 1803 1981 179 7 1 0.545 1.65 3.10 0.636 0.868 0.150 2.14 0.399 -0.021 1 12 747062 1817 1983 167 7 0 0.529 1.56 2.84 0.554 0.894 0.128 2.11 0.359 0.020 1 13 747071 1805 1983 179 7 0 0.588 1.16 2.10 0.475 0.926 0.116 1.95 0.277 -0.019 1 14 747072 1787 1983 197 8 0 0.511 1.24 3.39 0.537 0.916 0.122 1.94 0.254 -0.015 1 15 747081 1801 1983 183 7 0 0.578 0.97 1.76 0.370 0.887 0.142 1.86 0.275 0.022 1 16 747082 1815 1983 169 7 0 0.564 0.98 1.65 0.284 0.877 0.121 1.73 0.220 0.005 1 17 747091 1790 1983 194 8 2 0.374 0.96 2.38 0.640 0.918 0.124 2.06 0.298 -0.008 1 18 747092 1799 1983 185 8 0 0.623 1.23 2.53 0.304 0.752 0.131 2.14 0.387 0.064 1 19 747101 1805 1983 179 7 0 0.647 1.48 2.40 0.331 0.719 0.135 2.02 0.335 0.045 1 20 747102 1792 1983 192 8 0 0.659 1.36 2.08 0.245 0.548 0.140 1.96 0.287 0.008 1 21 747111 1795 1983 189 8 5 0.247 1.13 4.04 1.111 0.970 0.108 1.95 0.258 -0.038 1 22 747112 1786 1983 198 8 3 0.469 1.73 4.34 0.663 0.911 0.122 1.96 0.269 -0.031 1 23 747121 1853 1983 131 5 0 0.582 1.78 3.92 0.559 0.869 0.115 1.91 0.355 0.018 3 24 747122 1850 1983 134 5 0 0.483 1.59 2.57 0.376 0.843 0.110 1.95 0.299 -0.007 2 25 747131 1809 1983 175 7 3 0.412 1.83 3.38 0.679 0.874 0.152 2.02 0.290 0.022 1 26 747132 1828 1983 156 6 0 0.529 1.88 3.27 0.624 0.870 0.123 1.87 0.303 -0.015 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4462 181 16 0.538 1.51 6.49 0.522 0.824 0.134 2.14 0.315 -0.001