Chronology file name : OK004.CRN Measurement file name : OK004.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1737 Ending year : 1982 Principal investigators: D.W. STAHLE Site name : BLUESTEM LAKE Site location : OKLAHOMA, USA Species information : QUST POST OAK Latitude : 3642N Longitude : 9623W Elevation : 260 M Series intercorrelation: 0.771 Avg mean sensitivity : 0.237 Avg standard deviation : 0.317 Avg autocorrelation : 0.588 Number dated series : 42 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.32 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: 15:08 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BLU01A 1780 1982 .78 .81 .76 .78 .70 .66 .81 .83 2 BLU01B 1747 1982 .63 .63 .62 .72 .86 .88 .77 .77 .69 .75 3 BLU01C 1746 1982 .63 .63 .72 .83 .84 .81 .71 .70 .76 .82 4 BLU02A 1802 1964 .60 .79 .79 .76 .82 .81 5 BLU02B 1808 1960 .72 .77 .76 .72 .74 .73 6 BLU03A 1809 1982 .81 .84 .84 .84 .82 .78 .85 7 BLU03B 1840 1982 .83 .87 .86 .80 .77 .78 8 BLU06A 1847 1982 .76 .79 .74 .79 .79 .84 9 BLU06B 1877 1982 .70 .68 .69 .70 10 BLU07A 1795 1982 .65 .69 .70 .66 .67 .67 .66 .73 11 BLU09A 1795 1982 .66 .70 .88 .91 .85 .88 .83 .82 12 BLU10A 1821 1982 .89 .90 .87 .84 .81 .63 .61 13 BLU10B 1829 1982 .84 .85 .82 .84 .69 .72 14 BLU11A 1854 1982 .82 .87 .80 .66 .69 15 BLU11B 1808 1982 .81 .86 .88 .89 .87 .79 .80 16 BLU14A 1762 1982 .74 .69 .70 .76 .82 .87 .75 .75 .79 17 BLU14B 1780 1982 .71 .77 .78 .81 .85 .79 .72 .74 18 BLU20A 1761 1982 .74 .73 .84 .89 .88 .76 .79 .63 .67 19 BLU22A 1746 1982 .82 .84 .68 .77 .86 .80 .83 .86 .81 .83 20 BLU22B 1749 1982 .81 .80 .80 .90 .92 .91 .89 .87 .81 .85 21 BLU24A 1785 1982 .73 .73 .77 .79 .82 .84 .86 .84 22 BLU25A 1755 1982 .68 .61 .63 .82 .80 .70 .77 .59 .46 23 BLU25B 1737 1982 .73 .75 .68 .72 .77 .80 .65 .61 .55 .65 24 BLU25C 1742 1982 .74 .74 .68 .58 .67 .81 .72 .80 .78 .75 25 BLU25D 1739 1982 .66 .70 .75 .77 .79 .87 .80 .77 .79 .81 26 BLU28A 1778 1982 .69 .83 .78 .77 .79 .78 .79 .79 27 BLU29A 1771 1982 .84 .81 .83 .81 .85 .84 .86 .88 .89 28 BLU29B 1766 1982 .78 .78 .81 .83 .81 .80 .87 .86 .83 29 BLU30A 1816 1982 .87 .88 .85 .85 .89 .81 .82 30 BLU30B 1794 1982 .81 .81 .84 .90 .89 .88 .86 .86 31 BLU34B 1783 1981 .81 .79 .81 .79 .77 .76 .62 .64 32 BLU35A 1751 1813 .82 .83 33 BLU35B 1752 1976 .89 .84 .76 .78 .82 .71 .61 .54 .52 34 BLU35C 1763 1976 .81 .79 .76 .86 .89 .77 .66 .69 .54 35 BLU36A 1830 1982 .80 .86 .80 .81 .81 .78 36 BLU38A 1796 1982 .84 .85 .80 .75 .78 .72 .72 .72 37 BLU38B 1796 1982 .79 .80 .87 .86 .86 .85 .83 .84 38 BLU39A 1764 1982 .73 .69 .74 .80 .79 .71 .70 .62 .65 39 BLU40A 1770 1982 .65 .65 .68 .75 .85 .81 .79 .77 .79 40 BLU40B 1777 1982 .55 .66 .84 .89 .82 .81 .82 .84 41 BLU40C 1759 1795 .57B 42 BLU40D 1759 1809 .73 .71 PART 7: DESCRIPTIVE STATISTICS: 15:08 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 BLU01A 1780 1982 203 8 0 0.767 0.81 2.02 0.298 0.698 0.199 2.16 0.309 0.007 2 2 BLU01B 1747 1982 236 10 0 0.746 0.71 1.92 0.287 0.560 0.243 2.02 0.303 0.000 2 3 BLU01C 1746 1982 237 10 0 0.752 0.94 2.64 0.400 0.641 0.263 2.27 0.418 -0.001 2 4 BLU02A 1802 1964 163 6 0 0.743 0.73 1.93 0.339 0.591 0.288 2.06 0.416 -0.035 1 5 BLU02B 1808 1960 153 6 0 0.716 0.68 3.85 0.521 0.759 0.252 1.93 0.319 -0.052 2 6 BLU03A 1809 1982 174 7 0 0.829 1.39 3.13 0.467 0.593 0.230 2.10 0.382 0.034 1 7 BLU03B 1840 1982 143 6 0 0.829 1.52 3.00 0.379 0.396 0.213 2.20 0.423 0.019 2 8 BLU06A 1847 1982 136 6 0 0.790 1.17 2.57 0.419 0.488 0.271 2.09 0.344 -0.029 2 9 BLU06B 1877 1982 106 4 0 0.693 1.61 4.63 0.708 0.726 0.247 2.14 0.375 -0.043 2 10 BLU07A 1795 1982 188 8 0 0.687 0.65 1.33 0.196 0.571 0.217 2.09 0.369 0.039 1 11 BLU09A 1795 1982 188 8 0 0.813 1.21 2.30 0.414 0.649 0.215 1.97 0.294 -0.005 1 12 BLU10A 1821 1982 162 7 0 0.777 1.40 2.67 0.492 0.656 0.220 2.12 0.336 -0.025 2 13 BLU10B 1829 1982 154 6 0 0.784 1.39 2.85 0.456 0.549 0.235 2.05 0.358 0.016 2 14 BLU11A 1854 1982 129 5 0 0.781 1.71 4.60 0.646 0.437 0.304 2.19 0.382 0.004 2 15 BLU11B 1808 1982 175 7 0 0.833 1.31 2.74 0.425 0.486 0.259 2.30 0.438 -0.003 1 16 BLU14A 1762 1982 221 9 0 0.771 0.89 2.08 0.365 0.647 0.279 2.10 0.389 0.004 2 17 BLU14B 1780 1982 203 8 0 0.773 0.92 1.94 0.333 0.577 0.252 1.97 0.342 0.018 1 18 BLU20A 1761 1982 222 9 0 0.771 0.66 1.78 0.230 0.564 0.220 2.08 0.346 -0.011 1 19 BLU22A 1746 1982 237 10 0 0.814 0.85 1.59 0.221 0.413 0.221 1.96 0.279 0.009 2 20 BLU22B 1749 1982 234 10 0 0.864 0.88 1.77 0.258 0.579 0.212 2.05 0.323 0.001 2 21 BLU24A 1785 1982 198 8 0 0.785 0.80 2.17 0.384 0.636 0.293 2.14 0.369 0.037 1 22 BLU25A 1755 1982 228 9 0 0.653 0.60 1.38 0.200 0.709 0.204 1.92 0.337 0.026 1 23 BLU25B 1737 1982 246 10 0 0.688 0.75 1.71 0.287 0.724 0.204 1.87 0.217 -0.012 1 24 BLU25C 1742 1982 241 10 0 0.718 0.71 1.85 0.296 0.734 0.223 2.02 0.300 0.025 1 25 BLU25D 1739 1982 244 10 0 0.766 0.74 2.39 0.341 0.764 0.212 2.15 0.333 0.041 1 26 BLU28A 1778 1982 205 8 0 0.768 0.88 1.86 0.330 0.566 0.273 2.21 0.423 0.022 1 27 BLU29A 1771 1982 212 9 0 0.841 0.86 1.85 0.281 0.443 0.281 1.99 0.311 0.016 2 28 BLU29B 1766 1982 217 9 0 0.812 0.76 1.31 0.213 0.433 0.231 2.06 0.368 -0.005 2 29 BLU30A 1816 1982 167 7 0 0.837 0.78 1.68 0.215 0.397 0.238 2.10 0.313 -0.061 4 30 BLU30B 1794 1982 189 8 0 0.852 0.86 1.98 0.285 0.567 0.240 2.28 0.369 -0.015 2 31 BLU34B 1783 1981 199 8 0 0.749 0.71 2.11 0.229 0.499 0.232 2.13 0.406 -0.001 2 32 BLU35A 1751 1813 63 2 0 0.841 0.87 2.10 0.378 0.460 0.342 2.16 0.489 0.005 2 33 BLU35B 1752 1976 225 9 0 0.735 0.74 1.81 0.339 0.693 0.257 2.14 0.417 -0.020 2 34 BLU35C 1763 1976 214 9 0 0.748 0.77 1.60 0.247 0.561 0.225 1.88 0.316 -0.021 2 35 BLU36A 1830 1982 153 6 0 0.796 0.88 2.30 0.327 0.749 0.197 2.00 0.332 -0.029 2 36 BLU38A 1796 1982 187 8 0 0.774 0.78 1.70 0.251 0.611 0.232 2.01 0.368 0.007 2 37 BLU38B 1796 1982 187 8 0 0.838 1.00 2.08 0.309 0.683 0.198 1.87 0.242 0.013 2 38 BLU39A 1764 1982 219 9 0 0.719 0.60 1.27 0.138 0.549 0.175 1.92 0.348 -0.017 1 39 BLU40A 1770 1982 213 9 0 0.759 0.63 1.39 0.174 0.463 0.227 2.06 0.348 -0.048 2 40 BLU40B 1777 1982 206 8 0 0.791 0.67 2.15 0.250 0.546 0.268 2.13 0.314 -0.005 2 41 BLU40C 1759 1795 37 1 1 0.565 0.56 1.57 0.288 0.529 0.288 2.08 0.527 -0.045 1 42 BLU40D 1759 1809 51 2 0 0.720 0.53 1.52 0.252 0.450 0.309 1.98 0.478 -0.010 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7765 317 1 0.771 0.88 4.63 0.317 0.588 0.237 2.30 0.348 -0.001