Chronology file name : NONE Measurement file name : AK3.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1807 Ending year : 1986 Principal investigators: KLAUS F. KAISER Site name : TOK RIVER, NORTHWEST TOK, TOK CUT OFF Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 6314N Longitude : 14310W Elevation : 630 M Series intercorrelation: 0.547 Avg mean sensitivity : 0.182 Avg standard deviation : 0.304 Avg autocorrelation : 0.877 Number dated series : 14 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 15.19 Are there obvious misdated series? YES Number possible misdated series : 1 Percent misdated series : 7.14 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: #2 TOKR0170 1900-1984 LOW CORRELATION #7 TOKR0010 MISDATED CAN BE IMPROVED TO BE AN EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:11 Mon 01 JUL 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 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 TOKR0030 1810 1986 .57 .70 .69 .76 .63 .60 .69 2 TOKR0170 1815 1984 .53 .57 .44 .40 .32A-.04B .09B 3 TOKR0060 1821 1986 .60 .56 .58 .68 .67 .71 .65 4 TOKR0110 1821 1953 .69 .67 .59 .40 .35 .37 5 TOKR0040 1826 1986 .48 .70 .77 .64 .52 .63 6 TOKR0130 1841 1970 .50 .56 .55 .31A .04B 7 TOKR0010 1846 1985 .26B .01B .05B .04B-.19B-.10B 8 TOKR0020 1849 1986 .78 .77 .74 .58 .52 .46 9 TOKR0050 1863 1986 .68 .75 .76 .65 .68 10 TOKR0120 1865 1986 .42 .56 .51 .57 .59 11 TOKR0100 1868 1986 .43 .59 .55 .62 .64 12 TOKR0070 1899 1986 .47 .49 .53 .58 13 TOKR0090 1909 1986 .32A .67 .51 14 TOKRCH00 1807 1986 .86 .93 .93 .95 .94 .94 .93 PART 7: DESCRIPTIVE STATISTICS: 23:11 Mon 01 JUL 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 TOKR0030 1810 1986 177 7 0 0.650 0.70 2.39 0.455 0.883 0.221 2.06 0.422 -0.038 1 2 TOKR0170 1815 1984 170 7 3 0.365 0.22 1.03 0.201 0.949 0.187 2.20 0.369 -0.027 1 3 TOKR0060 1821 1986 166 7 0 0.639 0.47 1.28 0.190 0.745 0.176 2.09 0.306 -0.047 1 4 TOKR0110 1821 1953 133 6 0 0.530 0.36 1.70 0.411 0.936 0.194 2.06 0.447 -0.009 1 5 TOKR0040 1826 1986 161 6 0 0.588 0.72 2.48 0.400 0.828 0.203 2.06 0.373 -0.025 1 6 TOKR0130 1841 1970 130 5 2 0.381 0.28 0.92 0.180 0.912 0.181 2.13 0.395 -0.010 1 7 TOKR0010 1846 1985 140 6 6 0.039 0.66 2.06 0.473 0.958 0.128 1.97 0.331 0.019 2 8 TOKR0020 1849 1986 138 6 0 0.622 0.55 1.93 0.368 0.936 0.169 2.15 0.400 -0.042 1 9 TOKR0050 1863 1986 124 5 0 0.712 0.49 1.53 0.274 0.919 0.159 2.19 0.387 -0.025 1 10 TOKR0120 1865 1986 122 5 0 0.539 0.40 0.84 0.176 0.755 0.213 2.01 0.357 -0.046 2 11 TOKR0100 1868 1986 119 5 0 0.576 0.33 1.13 0.209 0.807 0.256 1.86 0.304 -0.093 1 12 TOKR0070 1899 1986 88 4 0 0.532 0.61 1.23 0.228 0.845 0.127 2.05 0.367 -0.076 2 13 TOKR0090 1909 1986 78 3 1 0.424 0.31 0.72 0.152 0.868 0.200 2.13 0.428 -0.038 1 14 TOKRCH00 1807 1986 180 7 0 0.903 0.60 2.41 0.370 0.916 0.133 1.96 0.297 -0.066 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1926 79 12 0.547 0.49 2.48 0.304 0.877 0.182 2.20 0.367 -0.036