Chronology file name : NONE Measurement file name : AK010.RWL Date checked : 12JAN96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1654 Ending year : 1983 Principal investigators: F. H. SCHWEINGRUBER Site name : EUREKA SUMMIT Site location : ALASKA, USA Species information : PCGL WHITE SPRUCE Latitude : 6150N Longitude : 14720W Elevation : 960 M Series intercorrelation: 0.685 Avg mean sensitivity : 0.173 Avg standard deviation : 0.276 Avg autocorrelation : 0.853 Number dated series : 22 Segment length tested : 50 Number problem segments: 6 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: ALL FLAGS = LOW CORRELATIONS WITH MASTER EXCELLENT HIGH QUALITY DATA SET PART 5: CORRELATION OF SERIES BY SEGMENTS: 14:02 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 737011 1654 1983 .48 .59 .71 .68 .63 .62 .67 .74 .77 .83 .86 .86 .85 2 737012 1696 1961 .67 .72 .79 .60 .44 .65 .77 .67 .62 .68 .62 3 737021 1745 1983 .70 .71 .73 .80 .77 .80 .87 .86 .74 .68 4 737022 1759 1983 .49 .64 .79 .82 .78 .75 .68 .68 .72 5 737030 1863 1983 .86 .85 .83 .86 .88 6 737041 1684 1983 .51 .32A .49 .52 .48 .65 .65 .58 .62 .67 .66 .65 7 737042 1654 1983 .38 .35 .42B .62 .62 .69 .72 .69 .82 .83 .65 .60 .62 8 737051 1801 1983 .49 .64 .73 .76 .71 .65 .63 9 737052 1801 1983 .31A .73 .79 .79 .67 .67 .72 10 737060 1876 1983 .63 .68 .80 .80 11 737071 1859 1983 .61 .61 .52 .70 .57 12 737072 1835 1983 .55 .70 .76 .77 .73 .70 13 737081 1735 1983 .32A .31A .67 .76 .77 .67 .72 .81 .68 .66 14 737082 1725 1983 .27B .39 .64 .69 .75 .72 .68 .64 .65 .71 15 737091 1750 1983 .66 .62 .74 .78 .78 .84 .80 .74 .75 16 737092 1762 1983 .62 .70 .82 .86 .83 .79 .74 .72 .71 17 737101 1851 1983 .78 .80 .78 .75 .71 18 737102 1788 1983 .70 .76 .72 .60 .68 .78 .74 .76 19 737111 1792 1983 .84 .84 .83 .84 .85 .80 .81 .82 20 737112 1775 1983 .74 .80 .86 .87 .87 .83 .87 .86 21 737121 1713 1983 .68 .69 .69 .81 .77 .62 .71 .83 .59 .50 .64 22 737122 1725 1983 .71 .64 .68 .66 .70 .75 .62 .55 .68 .75 PART 7: DESCRIPTIVE STATISTICS: 14:02 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 737011 1654 1983 330 13 0 0.697 0.38 1.04 0.240 0.922 0.200 1.99 0.272 0.006 2 2 737012 1696 1961 266 11 0 0.646 0.54 1.35 0.272 0.830 0.234 2.02 0.308 -0.013 1 3 737021 1745 1983 239 10 0 0.769 0.57 1.19 0.230 0.871 0.164 1.90 0.310 0.003 1 4 737022 1759 1983 225 9 0 0.694 0.48 1.01 0.185 0.746 0.207 1.92 0.266 0.013 1 5 737030 1863 1983 121 5 0 0.850 0.66 1.47 0.204 0.798 0.150 1.96 0.384 -0.030 1 6 737041 1684 1983 300 12 1 0.570 0.57 1.12 0.257 0.941 0.122 1.88 0.241 -0.033 3 7 737042 1654 1983 330 13 1 0.616 0.60 1.33 0.276 0.921 0.144 1.95 0.301 -0.024 1 8 737051 1801 1983 183 7 0 0.634 0.61 1.30 0.213 0.783 0.178 2.12 0.356 -0.024 1 9 737052 1801 1983 183 7 1 0.622 0.68 1.34 0.276 0.864 0.182 2.02 0.388 -0.041 1 10 737060 1876 1983 108 4 0 0.700 1.38 2.69 0.446 0.440 0.266 1.89 0.304 0.042 1 11 737071 1859 1983 125 5 0 0.582 0.70 1.62 0.272 0.862 0.156 2.14 0.427 0.018 2 12 737072 1835 1983 149 6 0 0.664 0.50 1.52 0.288 0.921 0.175 2.13 0.365 0.007 3 13 737081 1735 1983 249 10 2 0.628 0.64 1.98 0.346 0.920 0.148 1.88 0.308 -0.031 1 14 737082 1725 1983 259 10 1 0.591 0.65 1.76 0.360 0.918 0.156 2.12 0.362 -0.011 1 15 737091 1750 1983 234 9 0 0.752 0.85 1.70 0.266 0.826 0.150 2.04 0.326 0.041 1 16 737092 1762 1983 222 9 0 0.751 0.67 1.40 0.201 0.790 0.156 2.04 0.402 0.058 1 17 737101 1851 1983 133 5 0 0.751 0.37 0.78 0.165 0.831 0.219 1.98 0.334 -0.012 1 18 737102 1788 1983 196 8 0 0.703 0.37 0.92 0.170 0.897 0.175 2.07 0.337 -0.011 1 19 737111 1792 1983 192 8 0 0.823 1.22 2.55 0.456 0.802 0.192 1.95 0.373 -0.003 1 20 737112 1775 1983 209 8 0 0.833 1.31 3.11 0.480 0.789 0.189 2.08 0.413 -0.015 1 21 737121 1713 1983 271 11 0 0.687 0.67 1.27 0.205 0.828 0.148 1.95 0.306 0.007 2 22 737122 1725 1983 259 10 0 0.667 0.66 1.34 0.315 0.915 0.161 1.81 0.236 -0.006 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4783 190 6 0.685 0.66 3.11 0.276 0.853 0.173 2.14 0.324 -0.004