Chronology file name : NONE Measurement file name : AK009.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1696 Ending year : 1983 Principal investigators: F. H. SCHWEINGRUBER Site name : SLANA BEI TOK Site location : ALASKA, USA Species information : PCGL WHITE SPRUCE Latitude : 6250N Longitude : 14355W Elevation : 600 M Series intercorrelation: 0.536 Avg mean sensitivity : 0.172 Avg standard deviation : 0.328 Avg autocorrelation : 0.895 Number dated series : 22 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 6.74 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: THESE SERIES SHOULD BE DIVIDED INTO TWO RATHER THAN BE MISSING RINGS BETWEEN #2 736012 1782-1817, #3 736021 1785-1824, AND #4 736022 1777-1816 MANY ABSENT RINGS ALL FLAGS = LOW CORRELATIONS WITH MASTER PART 5: CORRELATION OF SERIES BY SEGMENTS: 14:01 Fri 12 JAN 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 736011 1836 1983 .33B .48 .57 .59 .58 .56 2 736012 1742 1983 .53 .47 .42 .42 .50 .50 .63 .61 .64 .67 3 736021 1730 1983 .42 .34 .20A .53 .59 .39 .59 .67 .60 .45 4 736022 1726 1976 .47 .13B-.15B .43 .40 .22A .56 .63 .34 .36 5 736031 1805 1983 .40 .39 .50 .59 .53 .65 .73 6 736032 1804 1983 .31B .27A .43 .64 .57 .37 .46 7 736041 1696 1983 .30A .62 .76 .71 .53 .54 .58 .64 .55 .55 .63 8 736042 1702 1983 .36 .58 .63 .52 .36 .38 .35B .50 .54 .58 .61 9 736051 1714 1983 .53 .61 .55 .37 .49 .48 .35 .44 .36 .29B .30A 10 736052 1711 1983 .54 .54 .56 .38 .52 .54 .39 .64 .67 .51 .38 11 736061 1819 1983 .56 .54 .52 .77 .72 .67 .72 12 736062 1788 1983 .57 .69 .55 .47 .68 .64 .62 .62 13 736071 1787 1935 .69 .80 .72 .63 .75 .77 14 736072 1781 1941 .67 .67 .47 .48 .65 .68 15 736081 1865 1981 .77 .82 .81 .63 .57 16 736082 1870 1983 .79 .80 .78 .65 .68 17 736091 1776 1983 .56 .42 .38 .23B .54 .66 .60 .56 18 736092 1792 1983 .48 .53 .50 .53 .75 .68 .49 .47 19 736101 1801 1983 .66 .62 .68 .74 .64 .48 .44 20 736102 1794 1983 .58 .57 .58 .54 .72 .74 .56 .49 21 736111 1787 1983 .51 .67 .54 .55 .72 .66 .54 .45 22 736112 1788 1983 .50 .55 .36 .50 .68 .59 .53 .57 PART 7: DESCRIPTIVE STATISTICS: 14:01 Fri 12 JAN 1996 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 736011 1836 1983 148 6 1 0.482 0.99 2.83 0.417 0.797 0.163 2.06 0.357 -0.054 1 2 736012 1742 1983 242 10 0 0.526 0.84 2.17 0.529 0.947 0.137 2.09 0.356 -0.022 3 3 736021 1730 1983 254 10 1 0.454 0.59 1.36 0.375 0.909 0.169 2.17 0.273 -0.003 3 4 736022 1726 1976 251 10 3 0.334 0.58 1.93 0.408 0.943 0.159 1.98 0.269 -0.031 3 5 736031 1805 1983 179 7 0 0.531 0.87 1.93 0.475 0.916 0.174 1.97 0.332 -0.025 1 6 736032 1804 1983 180 7 2 0.477 0.97 2.21 0.428 0.909 0.152 2.07 0.326 0.014 1 7 736041 1696 1983 288 11 1 0.549 0.57 1.74 0.325 0.918 0.179 2.01 0.257 -0.072 1 8 736042 1702 1983 282 11 1 0.469 0.52 1.58 0.326 0.917 0.194 1.88 0.196 -0.055 1 9 736051 1714 1983 270 11 2 0.421 0.32 1.74 0.293 0.959 0.216 2.08 0.337 -0.013 2 10 736052 1711 1983 273 11 0 0.494 0.41 1.95 0.293 0.956 0.191 2.01 0.356 0.021 3 11 736061 1819 1983 165 7 0 0.677 0.63 1.20 0.190 0.836 0.135 1.98 0.323 0.008 1 12 736062 1788 1983 196 8 0 0.608 0.53 1.10 0.169 0.822 0.145 2.02 0.318 -0.020 1 13 736071 1787 1935 149 6 0 0.746 0.80 1.65 0.312 0.847 0.176 2.06 0.382 -0.072 1 14 736072 1781 1941 161 6 0 0.608 0.95 2.30 0.295 0.708 0.176 2.10 0.275 0.043 1 15 736081 1865 1981 117 5 0 0.703 0.66 1.67 0.366 0.924 0.160 1.97 0.305 -0.039 1 16 736082 1870 1983 114 5 0 0.729 0.60 1.74 0.337 0.931 0.169 2.08 0.299 -0.084 1 17 736091 1776 1983 208 8 1 0.513 0.46 0.91 0.221 0.913 0.154 2.10 0.335 0.022 1 18 736092 1792 1983 192 8 0 0.550 0.52 2.25 0.406 0.938 0.174 2.26 0.375 -0.021 1 19 736101 1801 1983 183 7 0 0.624 0.61 1.54 0.206 0.801 0.158 1.89 0.326 0.034 2 20 736102 1794 1983 190 8 0 0.572 0.55 1.45 0.229 0.861 0.158 1.87 0.231 -0.041 1 21 736111 1787 1983 197 8 0 0.578 0.43 1.87 0.289 0.892 0.202 1.98 0.328 -0.017 2 22 736112 1788 1983 196 8 0 0.548 0.50 1.88 0.307 0.895 0.209 1.95 0.289 -0.044 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4435 178 12 0.536 0.61 2.83 0.328 0.895 0.172 2.26 0.308 -0.021