Chronology file name : OK016.CRN Measurement file name : OK016.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1745 Ending year : 1980 Principal investigators: D.W. STAHLE Site name : LAKE EUFAULA Site location : OKLAHOMA, USA Species information : QUST POST OAK Latitude : 3506N Longitude : 9538W Elevation : 210 M Series intercorrelation: 0.711 Avg mean sensitivity : 0.227 Avg standard deviation : 0.227 Avg autocorrelation : 0.602 Number dated series : 38 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.34 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 CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 15:09 Mon 02 SEP 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 LE005A 1760 1980 .75 .86 .88 .90 .83 .54 .64 .65 .53 2 LE005B 1782 1980 .80 .78 .82 .73 .60 .75 .52 .48 3 LE013A 1764 1980 .54 .54 .66 .67 .65 .74 .85 .77 .79 4 LE013B 1779 1980 .74 .73 .70 .72 .76 .67 .64 .64 5 LE014A 1814 1980 .75 .73 .77 .71 .68 .68 .66 6 LE014B 1798 1980 .64 .67 .72 .77 .60 .61 .64 .63 7 LE024A 1804 1980 .58 .69 .72 .77 .87 .77 .76 8 LE024B 1820 1980 .77 .78 .81 .82 .82 .75 .76 9 LE025A 1764 1980 .69 .72 .83 .86 .73 .65 .86 .80 .78 10 LE025B 1771 1980 .85 .86 .83 .82 .83 .82 .78 .67 .67 11 LE035A 1811 1980 .71 .77 .80 .70 .67 .61 .68 12 LE036A 1831 1980 .79 .82 .82 .76 .56 .52 13 LE036B 1823 1980 .73 .72 .78 .77 .79 .65 .67 14 LE037A 1806 1980 .56 .64 .84 .85 .68 .43 .51 15 LE037B 1814 1980 .81 .84 .88 .83 .78 .59 .55 16 LE038A 1819 1980 .74 .76 .64 .59 .71 .70 .71 17 LE038B 1785 1980 .59 .71 .76 .75 .73 .87 .78 .79 18 LE040A 1822 1980 .84 .84 .84 .70 .75 .78 .79 19 LE040B 1778 1980 .71 .71 .83 .86 .69 .71 .64 .63 20 LE041A 1745 1980 .67 .73 .73 .81 .72 .58 .51 .45 .50 21 LE041B 1750 1980 .57 .73 .68 .79 .83 .61 .53 .34 .25B 22 LE049A 1798 1980 .77 .81 .84 .78 .65 .71 .74 .75 23 LE049B 1790 1980 .74 .75 .78 .71 .63 .62 .51 .59 24 LE001B 1784 1980 .56 .62 .75 .77 .72 .78 .75 .75 25 LE002A 1752 1980 .61 .64 .67 .76 .66 .61 .79 .64 .61 26 LE008A 1840 1980 .72 .78 .78 .90 .83 .83 27 LE009A 1758 1980 .75 .78 .74 .73 .74 .77 .79 .66 .62 28 LE018B 1761 1980 .41 .61 .71 .78 .80 .82 .92 .79 .78 29 LE028B 1751 1980 .65 .45 .59 .79 .70 .71 .80 .73 .68 30 LE033B 1786 1980 .85 .84 .86 .89 .87 .80 .59 .60 31 LE039B 1861 1980 .87 .82 .85 .72 .72 32 LE044A 1860 1980 .73 .72 .82 .67 .68 33 LE045A 1836 1980 .81 .82 .79 .86 .77 .77 34 LE047A 1761 1980 .68 .71 .73 .61 .45 .63 .67 .55 .62 35 LE048A 1830 1980 .83 .82 .78 .86 .78 .77 36 LE050A 1819 1980 .72 .72 .79 .80 .83 .65 .64 37 LE051A 1775 1980 .83 .84 .84 .83 .81 .85 .64 .65 38 LE056A 1818 1980 .74 .77 .84 .81 .89 .82 .83 PART 7: DESCRIPTIVE STATISTICS: 15:09 Mon 02 SEP 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 LE005A 1760 1980 221 9 0 0.690 0.49 1.30 0.197 0.738 0.231 2.03 0.335 -0.006 1 2 LE005B 1782 1980 199 8 0 0.659 0.53 2.21 0.281 0.722 0.264 1.96 0.276 -0.005 1 3 LE013A 1764 1980 217 9 0 0.684 0.56 1.29 0.198 0.673 0.222 2.19 0.288 0.000 1 4 LE013B 1779 1980 202 8 0 0.698 0.76 1.80 0.281 0.726 0.197 1.92 0.217 -0.025 1 5 LE014A 1814 1980 167 7 0 0.692 0.65 1.09 0.157 0.489 0.186 2.05 0.302 -0.034 1 6 LE014B 1798 1980 183 8 0 0.658 0.73 1.77 0.273 0.700 0.207 1.92 0.324 -0.035 2 7 LE024A 1804 1980 177 7 0 0.721 0.77 2.08 0.320 0.617 0.265 1.97 0.321 0.007 1 8 LE024B 1820 1980 161 7 0 0.776 0.68 1.27 0.212 0.445 0.259 1.89 0.315 0.012 1 9 LE025A 1764 1980 217 9 0 0.755 0.51 0.96 0.139 0.340 0.243 2.01 0.264 -0.021 2 10 LE025B 1771 1980 210 9 0 0.783 0.65 1.43 0.230 0.532 0.247 2.14 0.337 -0.022 1 11 LE035A 1811 1980 170 7 0 0.700 0.69 1.51 0.214 0.739 0.168 1.93 0.421 -0.022 1 12 LE036A 1831 1980 150 6 0 0.698 0.60 1.51 0.256 0.663 0.250 1.92 0.318 -0.037 1 13 LE036B 1823 1980 158 7 0 0.716 0.59 1.54 0.297 0.705 0.273 1.88 0.310 -0.013 1 14 LE037A 1806 1980 175 7 0 0.643 0.68 1.48 0.217 0.678 0.187 2.10 0.338 0.035 1 15 LE037B 1814 1980 167 7 0 0.739 0.62 1.33 0.246 0.751 0.209 1.99 0.381 -0.006 1 16 LE038A 1819 1980 162 7 0 0.686 0.67 1.70 0.255 0.670 0.212 2.29 0.404 -0.042 2 17 LE038B 1785 1980 196 8 0 0.719 0.56 1.11 0.148 0.562 0.194 1.99 0.304 -0.010 2 18 LE040A 1822 1980 159 7 0 0.781 0.80 1.67 0.244 0.457 0.247 2.07 0.370 -0.046 2 19 LE040B 1778 1980 203 8 0 0.715 0.54 1.69 0.218 0.531 0.282 2.09 0.369 0.018 1 20 LE041A 1745 1980 236 9 0 0.636 0.51 1.37 0.192 0.738 0.202 2.00 0.291 -0.001 1 21 LE041B 1750 1980 231 9 1 0.578 0.51 0.97 0.132 0.556 0.188 1.87 0.306 -0.014 3 22 LE049A 1798 1980 183 8 0 0.740 0.90 1.88 0.294 0.646 0.218 2.00 0.394 0.013 1 23 LE049B 1790 1980 191 8 0 0.669 0.79 1.84 0.306 0.679 0.228 2.00 0.308 0.015 1 24 LE001B 1784 1980 197 8 0 0.691 0.66 1.21 0.159 0.470 0.202 1.98 0.338 0.013 2 25 LE002A 1752 1980 229 9 0 0.654 0.55 1.91 0.318 0.766 0.288 2.17 0.349 -0.021 1 26 LE008A 1840 1980 141 6 0 0.787 0.89 1.83 0.276 0.516 0.223 1.95 0.286 -0.007 2 27 LE009A 1758 1980 223 9 0 0.719 0.56 1.15 0.169 0.469 0.242 2.06 0.397 0.003 1 28 LE018B 1761 1980 220 9 0 0.717 0.58 1.55 0.236 0.638 0.254 2.11 0.342 0.031 1 29 LE028B 1751 1980 230 9 0 0.665 0.54 0.96 0.140 0.512 0.211 2.13 0.300 -0.017 2 30 LE033B 1786 1980 195 8 0 0.791 0.86 2.18 0.353 0.660 0.231 2.05 0.364 -0.029 2 31 LE039B 1861 1980 120 5 0 0.778 0.78 2.03 0.271 0.622 0.223 2.01 0.360 -0.024 1 32 LE044A 1860 1980 121 5 0 0.716 0.91 1.47 0.191 0.457 0.186 1.82 0.271 0.000 1 33 LE045A 1836 1980 145 6 0 0.785 0.79 1.81 0.243 0.466 0.252 2.05 0.357 -0.010 2 34 LE047A 1761 1980 220 9 0 0.630 0.56 1.09 0.161 0.550 0.194 2.05 0.330 0.018 1 35 LE048A 1830 1980 151 6 0 0.806 0.62 1.40 0.171 0.479 0.220 2.13 0.341 -0.017 1 36 LE050A 1819 1980 162 7 0 0.726 0.77 1.56 0.229 0.643 0.200 1.99 0.406 -0.015 2 37 LE051A 1775 1980 206 8 0 0.779 0.61 1.81 0.223 0.582 0.245 2.12 0.327 -0.010 1 38 LE056A 1818 1980 163 7 0 0.792 0.90 1.98 0.306 0.570 0.250 1.96 0.316 -0.044 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7058 290 1 0.711 0.65 2.21 0.227 0.602 0.227 2.29 0.330 -0.009