Chronology file name : NONE Measurement file name : AK17.RWL Date checked : 01JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1721 Ending year : 1985 Principal investigators: KAUS F. KAISER Site name : FORK TWIN CREEK, KODIAK ISLAND Site location : ALASKA, USA Species information : PCSI SITKA SPRUCE Latitude : 5736N Longitude : 15219W Elevation : 25 M Series intercorrelation: 0.702 Avg mean sensitivity : 0.200 Avg standard deviation : 0.321 Avg autocorrelation : 0.841 Number dated series : 18 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 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: EXCELLENT HIGH QUALITY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 23:09 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 FORK0010 1890 1985 .74 .82 .72 .68 2 FORK0020 1792 1985 .42 .73 .64 .59 .66 .74 .62 .61 3 FORK0030 1797 1985 .42 .53 .47 .56 .70 .60 .56 .59 4 FORK0040 1766 1985 .44 .55 .77 .72 .73 .80 .78 .76 .73 5 FORK0050 1762 1985 .75 .82 .77 .73 .75 .71 .64 .70 .71 6 FORK0060 1761 1985 .56 .77 .89 .77 .77 .77 .73 .75 .69 7 FORK0070 1735 1985 .53 .57 .69 .84 .72 .73 .81 .66 .63 .68 8 FORK0080 1779 1985 .77 .82 .80 .77 .83 .87 .81 .82 9 FORK0090 1755 1985 .63 .78 .84 .73 .71 .79 .79 .75 .73 10 FORK0100 1736 1985 .69 .68 .77 .86 .79 .71 .75 .83 .76 .69 11 FORK0110 1721 1985 .78 .58 .56 .68 .76 .80 .75 .71 .73 .79 .71 12 FORK0120 1741 1985 .43 .48 .75 .86 .76 .69 .74 .79 .73 .68 13 FORK0130 1809 1985 .63 .68 .64 .67 .74 .65 .64 14 FORK0140 1807 1985 .81 .71 .65 .75 .79 .76 .74 15 FORK0150 1829 1985 .69 .63 .68 .81 .76 .74 16 FORK0160 1806 1985 .68 .72 .70 .75 .79 .66 .60 17 FORK0170 1814 1985 .66 .69 .73 .75 .56 .57 .60 18 FORKCH00 1721 1985 .88 .85 .94 .97 .97 .97 .96 .95 .96 .95 .96 PART 7: DESCRIPTIVE STATISTICS: 23:09 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 FORK0010 1890 1985 96 4 0 0.710 1.26 2.55 0.546 0.852 0.172 2.03 0.325 -0.044 3 2 FORK0020 1792 1985 194 8 0 0.570 0.77 1.70 0.292 0.751 0.191 2.14 0.292 -0.054 1 3 FORK0030 1797 1985 189 8 0 0.510 0.69 1.81 0.358 0.886 0.208 1.92 0.257 -0.039 1 4 FORK0040 1766 1985 220 9 0 0.671 0.37 1.20 0.187 0.851 0.232 1.88 0.276 -0.017 3 5 FORK0050 1762 1985 224 9 0 0.717 0.48 2.03 0.321 0.837 0.241 1.85 0.195 0.001 1 6 FORK0060 1761 1985 225 9 0 0.698 0.66 1.99 0.368 0.897 0.192 2.00 0.328 -0.049 4 7 FORK0070 1735 1985 251 10 0 0.683 0.46 1.34 0.235 0.857 0.219 2.32 0.380 0.001 3 8 FORK0080 1779 1985 207 8 0 0.799 0.61 1.44 0.253 0.759 0.232 2.05 0.288 0.001 5 9 FORK0090 1755 1985 231 9 0 0.714 0.97 1.94 0.359 0.838 0.167 1.82 0.261 -0.025 1 10 FORK0100 1736 1985 250 10 0 0.744 0.58 2.30 0.402 0.910 0.221 2.09 0.284 -0.020 4 11 FORK0110 1721 1985 265 11 0 0.734 0.68 2.23 0.427 0.894 0.239 1.90 0.248 0.021 1 12 FORK0120 1741 1985 245 10 0 0.648 1.10 2.02 0.335 0.833 0.148 1.86 0.242 -0.003 3 13 FORK0130 1809 1985 177 7 0 0.644 0.84 2.29 0.280 0.747 0.183 1.86 0.268 -0.025 2 14 FORK0140 1807 1985 179 7 0 0.731 0.79 2.27 0.363 0.845 0.183 2.08 0.314 -0.006 1 15 FORK0150 1829 1985 157 6 0 0.706 0.73 2.03 0.320 0.748 0.221 2.17 0.329 -0.011 1 16 FORK0160 1806 1985 180 7 0 0.684 0.89 2.11 0.335 0.828 0.173 1.98 0.340 0.015 3 17 FORK0170 1814 1985 172 7 0 0.640 0.35 1.00 0.210 0.885 0.225 2.09 0.402 0.023 9 18 FORKCH00 1721 1985 265 11 0 0.932 0.78 1.63 0.278 0.851 0.148 1.98 0.264 0.012 5 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3727 150 0 0.702 0.71 2.55 0.321 0.841 0.200 2.32 0.290 -0.011