Chronology file name : TX009.CRN Measurement file name : TX009.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1681 Ending year : 1980 Principal investigators: D.W. STAHLE Site name : NICHOLS RANCH Site location : TEXAS, USA Species information : QUST POST OAK Latitude : 3259N Longitude : 9910W Elevation : 425 M Series intercorrelation: 0.881 Avg mean sensitivity : 0.461 Avg standard deviation : 0.456 Avg autocorrelation : 0.357 Number dated series : 55 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 CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 15:52 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DNR01A 1789 1980 .84 .84 .77 .79 .90 .91 .89 .89 2 DNR01B 1870 1980 .91 .90 .92 .93 .92 3 DNR02A 1765 1980 .92 .94 .92 .93 .94 .93 .91 .75 .75 4 DNR02B 1769 1980 .92 .91 .90 .90 .91 .92 .92 .93 .93 5 DNR02E 1760 1980 .90 .88 .85 .88 .95 .95 .95 .93 .93 6 DNR04A 1780 1980 .89 .90 .91 .90 .86 .86 .85 .88 7 DNR04B 1804 1980 .91 .92 .91 .90 .88 .89 .91 8 DNR06A 1890 1980 .86 .88 .89 .94 9 DNR06B 1852 1980 .92 .92 .94 .94 .96 10 DNR09A 1795 1980 .87 .87 .89 .91 .72 .67 .87 .94 11 DNR09B 1860 1980 .80 .90 .89 .90 .90 12 DNR11A 1797 1980 .85 .86 .88 .93 .89 .88 .89 .90 13 DNR11B 1813 1980 .83 .84 .91 .93 .91 .93 .94 14 DNR12A 1795 1980 .86 .89 .90 .93 .94 .92 .94 .95 15 DNR12B 1780 1980 .91 .89 .89 .93 .93 .93 .91 .91 16 DNR20A 1820 1980 .87 .88 .90 .87 .87 .91 .94 17 DNR20B 1834 1980 .93 .91 .91 .76 .79 .81 18 DNR23A 1802 1980 .90 .89 .90 .92 .90 .84 .84 19 DNR23B 1825 1980 .86 .86 .86 .83 .82 .86 20 DNR24A 1889 1980 .88 .90 .87 .88 21 DNR24B 1847 1980 .87 .88 .84 .79 .83 .88 22 DNR28A 1798 1980 .89 .90 .91 .89 .77 .80 .85 .86 23 DNR28B 1819 1980 .89 .91 .90 .91 .94 .87 .86 24 DNR29A 1806 1980 .80 .82 .84 .91 .95 .92 .92 25 DNR29B 1799 1980 .85 .85 .86 .86 .92 .92 .88 .90 26 DNR30A 1758 1980 .87 .89 .81 .82 .92 .95 .87 .88 .89 27 DNR30B 1696 1980 .71 .77 .86 .91 .88 .89 .93 .94 .94 .95 .96 .97 28 DNR31A 1812 1980 .88 .90 .87 .85 .88 .88 .89 29 DNR31B 1808 1980 .91 .92 .91 .90 .92 .94 .94 30 DNR35A 1875 1980 .89 .95 .92 .93 31 DNR35B 1868 1977 .86 .90 .94 .93 .94 32 DNR36A 1871 1980 .67 .67 .96 .96 .96 33 DNR36B 1871 1980 .90 .91 .94 .96 .95 34 DNR38A 1783 1980 .83 .82 .81 .84 .92 .92 .94 .95 35 DNR38B 1794 1980 .84 .83 .86 .88 .86 .88 .92 .92 36 DNR41A 1749 1980 .94 .93 .92 .91 .91 .94 .95 .94 .90 .91 37 DNR41B 1879 1980 .91 .93 .90 .91 38 DNR05A 1872 1980 .82 .82 .89 .91 .92 39 DNR10A 1840 1980 .83 .86 .92 .92 .91 .94 40 DNR14A 1881 1980 .88 .91 .91 .91 41 DNR18A 1873 1980 .80 .80 .86 .95 .96 42 DNR21A 1871 1980 .85 .85 .85 .89 .91 43 DNR22A 1868 1980 .87 .89 .92 .95 .95 44 DNR26A 1839 1980 .90 .93 .93 .96 .97 .97 45 DNR39A 1881 1980 .82 .88 .95 .95 46 DNR40A 1880 1980 .84 .87 .93 .93 47 DNR42A 1823 1980 .77 .77 .61 .68 .90 .92 .92 48 DNR43A 1867 1980 .85 .85 .89 .94 .94 49 DNR46A 1814 1975 .80 .80 .84 .88 .84 .91 .92 50 DNR52A 1759 1977 .82 .78 .79 .86 .89 .82 .86 .86 .85 51 DNR25A 1726 1770 .76 52 DNR25B 1756 1868 .86 .91 .89 .82 53 DNR60A 1694 1980 .89 .92 .90 .90 .76 .77 .89 .84 .89 .91 .89 .90 54 DNR60B 1681 1980 .92 .93 .96 .93 .77 .77 .81 .74 .84 .86 .84 .83 55 DNR60C 1696 1980 .87 .89 .92 .92 .88 .85 .84 .80 .87 .90 .86 .88 PART 7: DESCRIPTIVE STATISTICS: 15:52 Mon 02 SEP 1996 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 DNR01A 1789 1980 192 8 0 0.858 1.08 3.06 0.599 0.530 0.408 2.25 0.345 -0.011 1 2 DNR01B 1870 1980 111 5 0 0.916 0.66 1.83 0.267 0.073 0.429 2.26 0.439 -0.016 1 3 DNR02A 1765 1980 216 9 0 0.876 0.67 1.89 0.326 0.334 0.450 2.16 0.418 -0.011 1 4 DNR02B 1769 1980 212 9 0 0.917 0.86 2.55 0.458 0.299 0.495 2.23 0.400 -0.012 1 5 DNR02E 1760 1980 221 9 0 0.912 0.90 2.85 0.496 0.319 0.485 2.24 0.393 0.006 1 6 DNR04A 1780 1980 201 8 0 0.875 0.89 2.65 0.444 0.367 0.462 2.16 0.391 0.018 1 7 DNR04B 1804 1980 177 7 0 0.900 0.76 1.96 0.345 0.115 0.468 2.22 0.480 0.019 1 8 DNR06A 1890 1980 91 4 0 0.889 1.07 2.46 0.495 0.141 0.520 2.23 0.404 -0.025 1 9 DNR06B 1852 1980 129 5 0 0.937 0.85 2.05 0.368 0.041 0.474 2.08 0.443 -0.018 1 10 DNR09A 1795 1980 186 8 0 0.837 1.09 3.69 0.617 0.415 0.463 2.31 0.434 -0.030 1 11 DNR09B 1860 1980 121 5 0 0.865 0.82 2.44 0.447 0.350 0.491 2.08 0.363 -0.031 1 12 DNR11A 1797 1980 184 8 0 0.884 0.66 2.75 0.413 0.433 0.489 2.19 0.337 0.014 1 13 DNR11B 1813 1980 168 7 0 0.899 0.66 1.77 0.353 0.320 0.454 2.11 0.458 0.001 1 14 DNR12A 1795 1980 186 8 0 0.914 0.93 3.27 0.466 0.193 0.477 2.15 0.417 0.007 1 15 DNR12B 1780 1980 201 8 0 0.912 1.04 4.76 0.581 0.303 0.503 2.29 0.428 -0.001 1 16 DNR20A 1820 1980 161 7 0 0.891 0.77 2.21 0.357 0.123 0.463 2.20 0.437 0.005 1 17 DNR20B 1834 1980 147 6 0 0.870 0.84 2.49 0.423 0.201 0.477 2.10 0.348 0.030 1 18 DNR23A 1802 1980 179 7 0 0.884 0.84 2.43 0.407 0.443 0.378 2.23 0.409 0.042 1 19 DNR23B 1825 1980 156 6 0 0.848 1.17 3.72 0.603 0.413 0.423 2.24 0.347 0.040 1 20 DNR24A 1889 1980 92 4 0 0.879 0.62 1.71 0.314 0.012 0.515 2.24 0.442 0.055 1 21 DNR24B 1847 1980 134 6 0 0.840 0.58 2.14 0.336 0.120 0.520 2.30 0.481 0.043 1 22 DNR28A 1798 1980 183 8 0 0.849 0.54 1.52 0.267 0.227 0.463 2.11 0.387 -0.011 1 23 DNR28B 1819 1980 162 7 0 0.888 0.55 2.20 0.336 0.233 0.553 2.13 0.385 0.023 1 24 DNR29A 1806 1980 175 7 0 0.880 0.71 1.99 0.389 0.214 0.511 2.14 0.450 0.028 1 25 DNR29B 1799 1980 182 8 0 0.879 0.61 1.90 0.347 0.230 0.502 2.11 0.409 0.007 1 26 DNR30A 1758 1980 223 9 0 0.880 0.50 1.77 0.291 0.400 0.484 2.19 0.382 -0.027 1 27 DNR30B 1696 1980 285 12 0 0.886 0.57 1.92 0.347 0.385 0.467 2.36 0.386 -0.020 1 28 DNR31A 1812 1980 169 7 0 0.870 0.66 3.02 0.436 0.430 0.472 2.32 0.459 0.040 1 29 DNR31B 1808 1980 173 7 0 0.920 0.85 4.79 0.709 0.562 0.488 2.18 0.390 0.008 1 30 DNR35A 1875 1980 106 4 0 0.906 0.96 2.42 0.474 0.225 0.531 2.09 0.508 -0.008 1 31 DNR35B 1868 1977 110 5 0 0.896 0.97 2.64 0.527 0.384 0.544 2.18 0.474 -0.037 1 32 DNR36A 1871 1980 110 5 0 0.840 1.46 5.61 0.844 0.226 0.552 2.39 0.457 -0.006 1 33 DNR36B 1871 1980 110 5 0 0.931 1.20 3.01 0.604 0.111 0.540 2.15 0.423 0.015 1 34 DNR38A 1783 1980 198 8 0 0.884 1.09 2.66 0.557 0.528 0.403 2.25 0.430 0.010 1 35 DNR38B 1794 1980 187 8 0 0.874 0.97 2.83 0.537 0.523 0.421 2.12 0.381 0.006 1 36 DNR41A 1749 1980 232 10 0 0.920 0.56 1.70 0.284 0.449 0.442 2.11 0.381 -0.030 1 37 DNR41B 1879 1980 102 4 0 0.908 0.59 2.56 0.383 0.389 0.446 2.13 0.462 -0.007 1 38 DNR05A 1872 1980 109 5 0 0.874 1.17 4.59 0.852 0.687 0.460 2.00 0.350 -0.007 2 39 DNR10A 1840 1980 141 6 0 0.888 0.73 2.37 0.442 0.291 0.498 2.19 0.468 0.049 1 40 DNR14A 1881 1980 100 4 0 0.898 1.77 5.16 1.052 0.324 0.572 2.29 0.472 0.019 1 41 DNR18A 1873 1980 108 5 0 0.892 0.94 3.60 0.523 0.357 0.498 2.02 0.422 0.044 1 42 DNR21A 1871 1980 110 5 0 0.872 1.09 2.56 0.571 0.252 0.533 2.02 0.414 0.006 1 43 DNR22A 1868 1980 113 5 0 0.913 0.91 3.35 0.663 0.461 0.634 2.17 0.479 -0.042 1 44 DNR26A 1839 1980 142 6 0 0.940 1.12 2.74 0.498 0.312 0.422 2.16 0.408 -0.010 1 45 DNR39A 1881 1980 100 4 0 0.886 1.66 3.54 0.717 0.095 0.495 2.11 0.454 -0.033 1 46 DNR40A 1880 1980 101 4 0 0.887 1.66 5.09 0.975 0.466 0.480 2.15 0.463 -0.032 1 47 DNR42A 1823 1980 158 7 0 0.808 0.58 1.82 0.321 0.362 0.449 2.30 0.434 0.010 1 48 DNR43A 1867 1980 114 5 0 0.900 0.98 2.69 0.509 0.338 0.508 2.25 0.513 0.013 1 PART 7: DESCRIPTIVE STATISTICS: 15:52 Mon 02 SEP 1996 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 DNR46A 1814 1975 162 7 0 0.862 0.80 2.55 0.444 0.436 0.413 2.04 0.347 -0.013 1 50 DNR52A 1759 1977 219 9 0 0.828 0.94 3.91 0.653 0.746 0.353 2.15 0.350 0.007 1 51 DNR25A 1726 1770 45 1 0 0.762 0.48 1.36 0.353 0.460 0.481 2.22 0.511 -0.015 1 52 DNR25B 1756 1868 113 4 0 0.841 0.33 1.27 0.186 0.379 0.428 2.30 0.488 0.024 1 53 DNR60A 1694 1980 287 12 0 0.863 0.55 2.76 0.302 0.516 0.347 2.15 0.352 -0.011 1 54 DNR60B 1681 1980 300 12 0 0.840 0.55 3.20 0.364 0.505 0.359 2.07 0.300 -0.007 1 55 DNR60C 1696 1980 285 12 0 0.868 0.57 2.23 0.317 0.521 0.356 2.15 0.354 -0.019 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8879 371 0 0.881 0.82 5.61 0.456 0.357 0.461 2.39 0.407 0.001