Chronology file name : NONE Measurement file name : AK14.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1789 Ending year : 1986 Principal investigators: KLAUS F. KAISER Site name : ISTHMUS, KODIAK ISLAND Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 5738N Longitude : 15220W Elevation : 1 M Series intercorrelation: 0.698 Avg mean sensitivity : 0.190 Avg standard deviation : 1.195 Avg autocorrelation : 0.903 Number dated series : 19 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 3.16 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: #10 ISTH0120 1800-1874 POSSIBLE MISDATE EXCELLENT DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:08 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 1775 1800 1825 1850 1875 1900 1925 1950 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ISTH0010 1890 1986 .63 .66 .62 .75 2 ISTH0020 1859 1986 .61 .78 .89 .79 .80 3 ISTH0030 1858 1986 .79 .88 .85 .82 .87 4 ISTH0040 1927 1986 .68 .69 5 ISTH0060 1862 1986 .61 .79 .89 .80 .82 6 ISTH0070 1852 1986 .61 .71 .81 .80 .80 7 ISTH0080 1863 1986 .72 .73 .80 .80 .82 8 ISTH0090 1818 1986 .62 .58 .40 .60 .79 .64 .67 9 ISTH0100 1803 1986 .54 .60 .51 .73 .84 .81 .69 10 ISTH0120 1789 1986 .43 .19B .20B .61 .78 .85 .82 .81 11 ISTH0130 1886 1986 .74 .87 .78 .74 12 ISTH0140 1862 1986 .59 .67 .63 .53 .58 13 ISTH0150 1861 1986 .73 .84 .89 .92 .90 14 ISTH0160 1872 1986 .78 .76 .85 .85 .77 15 ISTH0170 1860 1986 .63 .75 .78 .77 .80 16 ISTH0180 1832 1986 .55 .62 .71 .65 .62 .66 17 ISTH0190 1935 1986 .36 .45 18 ISTH0200 1934 1986 .29A .37 19 ISTHCH00 1789 1986 .94 .95 .94 .96 .98 .98 .98 .98 PART 7: DESCRIPTIVE STATISTICS: 23:08 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 ISTH0010 1890 1986 97 4 0 0.682 2.51 6.02 1.458 0.917 0.212 1.82 0.316 0.020 1 2 ISTH0020 1859 1986 128 5 0 0.722 2.23 7.05 1.819 0.943 0.220 1.91 0.315 -0.025 1 3 ISTH0030 1858 1986 129 5 0 0.817 2.30 6.31 1.643 0.938 0.198 1.85 0.304 0.018 1 4 ISTH0040 1927 1986 60 2 0 0.682 0.90 2.52 0.492 0.854 0.206 1.83 0.266 0.015 1 5 ISTH0060 1862 1986 125 5 0 0.737 1.95 4.72 1.233 0.920 0.209 1.97 0.336 -0.029 1 6 ISTH0070 1852 1986 135 5 0 0.705 1.83 5.13 1.178 0.940 0.164 1.88 0.267 -0.032 2 7 ISTH0080 1863 1986 124 5 0 0.754 1.71 3.50 0.788 0.844 0.187 1.87 0.309 -0.002 1 8 ISTH0090 1818 1986 169 7 0 0.597 1.62 5.95 1.572 0.958 0.190 1.94 0.348 -0.025 1 9 ISTH0100 1803 1986 184 7 0 0.628 1.53 4.69 1.104 0.933 0.175 2.05 0.348 -0.008 1 10 ISTH0120 1789 1986 198 8 2 0.602 1.61 5.03 1.116 0.917 0.220 2.05 0.338 0.019 1 11 ISTH0130 1886 1986 101 4 0 0.742 1.92 3.37 0.707 0.729 0.219 1.90 0.364 0.020 1 12 ISTH0140 1862 1986 125 5 0 0.588 1.60 4.75 0.941 0.882 0.210 2.13 0.360 0.012 1 13 ISTH0150 1861 1986 126 5 0 0.828 2.51 6.13 1.127 0.842 0.186 1.90 0.261 -0.025 1 14 ISTH0160 1872 1986 115 5 0 0.763 2.62 8.15 1.711 0.923 0.174 1.82 0.278 -0.039 1 15 ISTH0170 1860 1986 127 5 0 0.740 1.82 6.01 1.324 0.939 0.201 2.10 0.408 0.041 3 16 ISTH0180 1832 1986 155 6 0 0.634 1.75 3.84 0.978 0.896 0.184 1.93 0.340 -0.008 1 17 ISTH0190 1935 1986 52 2 0 0.358 2.00 3.34 0.789 0.867 0.178 1.93 0.347 -0.030 1 18 ISTH0200 1934 1986 53 2 1 0.298 2.86 4.87 1.005 0.837 0.163 2.09 0.430 0.076 1 19 ISTHCH00 1789 1986 198 8 0 0.948 2.41 4.96 1.062 0.912 0.139 2.02 0.300 -0.024 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2401 95 3 0.698 1.96 8.15 1.195 0.903 0.190 2.13 0.326 -0.004