Chronology file name : TX018.CRN Measurement file name : TX018.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1668 Ending year : 1982 Principal investigators: D.W. STAHLE Site name : BRAZOS RIVER Site location : TEXAS, USA Species information : QUST POST OAK Latitude : 3056N Longitude : 9648W Elevation : 105 M Series intercorrelation: 0.794 Avg mean sensitivity : 0.295 Avg standard deviation : 0.315 Avg autocorrelation : 0.587 Number dated series : 37 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: 15:53 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 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 BRA01A 1732 1982 .74 .66 .63 .75 .80 .61 .64 .86 .84 .73 2 BRA01B 1746 1982 .51 .51 .54 .77 .81 .75 .81 .89 .89 .80 3 BRA02A 1793 1982 .80 .81 .81 .81 .84 .86 .88 .86 4 BRA02B 1795 1982 .77 .79 .85 .85 .88 .92 .82 .74 5 BRA03A 1708 1982 .83 .79 .74 .74 .81 .82 .80 .79 .83 .84 .77 6 BRA03B 1707 1982 .83 .72 .68 .73 .80 .83 .84 .90 .93 .85 .77 7 BRA04A 1870 1982 .62 .71 .75 .85 .83 8 BRA05A 1668 1982 .74 .72 .70 .83 .85 .80 .82 .89 .87 .82 .89 .91 .89 9 BRA05B 1669 1982 .71 .70 .67 .81 .86 .77 .75 .89 .82 .72 .87 .92 .90 10 BRA05C 1718 1982 .78 .82 .77 .80 .82 .86 .80 .79 .87 .88 .83 11 BRA07A 1686 1862 .70 .80 .80 .75 .70 .77 .68 12 BRA07B 1714 1982 .84 .72 .58 .64 .73 .78 .80 .75 .77 .81 .86 13 BRA07C 1699 1880 .72 .71 .72 .64 .69 .62 .57 .68 14 BRA08A 1701 1982 .83 .82 .81 .80 .88 .92 .91 .87 .91 .86 .78 15 BRA08B 1685 1982 .80 .85 .82 .76 .73 .86 .93 .89 .82 .88 .88 .79 16 BRA08C 1696 1982 .86 .82 .75 .82 .87 .85 .90 .89 .84 .84 .82 .61 17 BRA10A 1695 1982 .83 .78 .77 .75 .68 .71 .62 .64 .72 .77 .84 .71 18 BRA10B 1675 1982 .77 .85 .72 .65 .61 .74 .79 .73 .72 .80 .81 .64 19 BRA12A 1684 1982 .87 .91 .86 .81 .82 .82 .87 .84 .80 .87 .91 .92 20 BRA13A 1735 1982 .70 .68 .71 .76 .83 .77 .67 .82 .91 .90 21 BRA13B 1722 1982 .71 .73 .70 .69 .77 .86 .85 .83 .87 .83 .78 22 BRA14A 1786 1982 .72 .76 .86 .88 .86 .92 .93 .90 23 BRA14B 1876 1982 .90 .93 .87 .82 24 BRA15A 1721 1982 .74 .79 .77 .65 .65 .75 .82 .86 .84 .81 .80 25 BRA15B 1732 1982 .77 .81 .67 .63 .69 .76 .85 .87 .84 .80 26 BRA16A 1769 1982 .56 .62 .73 .82 .81 .78 .84 .86 .85 27 BRA17A 1675 1982 .66 .67 .64 .69 .72 .72 .78 .74 .82 .89 .85 .81 28 BRA17B 1703 1982 .44 .51 .69 .66 .71 .84 .83 .81 .80 .78 .76 29 BRA17C 1703 1982 .64 .58 .61 .67 .73 .82 .84 .88 .87 .86 .77 30 BRA18A 1725 1982 .75 .76 .68 .70 .86 .86 .83 .89 .84 .73 31 BRA18B 1694 1982 .76 .75 .81 .79 .59 .57 .72 .78 .85 .92 .89 .83 32 BRA18C 1704 1982 .71 .81 .84 .72 .66 .79 .83 .83 .84 .77 .78 33 BRA19A 1735 1982 .79 .76 .77 .87 .90 .92 .87 .86 .83 .68 34 BRA19B 1745 1982 .71 .72 .84 .89 .87 .84 .88 .94 .90 .83 35 BRA19C 1720 1982 .71 .74 .71 .66 .69 .77 .85 .80 .73 .75 .66 36 BRA20A 1835 1982 .85 .89 .88 .88 .89 .86 37 BRA21A 1830 1982 .76 .82 .84 .78 .75 .60 PART 7: DESCRIPTIVE STATISTICS: 15:53 Mon 02 SEP 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 BRA01A 1732 1982 251 10 0 0.750 0.74 2.05 0.307 0.636 0.278 2.04 0.268 -0.023 2 2 BRA01B 1746 1982 237 10 0 0.778 0.74 2.16 0.317 0.663 0.268 1.89 0.246 -0.012 2 3 BRA02A 1793 1982 190 8 0 0.834 0.67 1.63 0.276 0.592 0.322 1.92 0.329 -0.030 2 4 BRA02B 1795 1982 188 8 0 0.835 0.68 1.60 0.280 0.642 0.299 1.93 0.267 -0.045 1 5 BRA03A 1708 1982 275 11 0 0.802 0.71 1.68 0.246 0.485 0.288 1.93 0.283 -0.049 1 6 BRA03B 1707 1982 276 11 0 0.816 0.81 2.74 0.295 0.480 0.285 1.92 0.266 -0.045 1 7 BRA04A 1870 1982 113 5 0 0.765 1.15 2.78 0.456 0.338 0.346 2.09 0.413 -0.033 1 8 BRA05A 1668 1982 315 13 0 0.843 0.62 1.65 0.245 0.534 0.284 2.13 0.300 -0.075 1 9 BRA05B 1669 1982 314 13 0 0.818 0.72 2.41 0.312 0.624 0.278 2.14 0.288 -0.067 1 10 BRA05C 1718 1982 265 11 0 0.823 0.67 1.79 0.241 0.551 0.268 2.03 0.311 -0.042 2 11 BRA07A 1686 1862 177 7 0 0.714 0.62 2.11 0.338 0.727 0.273 2.08 0.379 -0.045 1 12 BRA07B 1714 1982 269 11 0 0.756 0.45 1.56 0.184 0.664 0.255 2.10 0.368 -0.053 1 13 BRA07C 1699 1880 182 8 0 0.664 0.42 2.42 0.257 0.612 0.257 2.29 0.410 -0.009 1 14 BRA08A 1701 1982 282 11 0 0.860 0.97 2.39 0.382 0.537 0.298 1.85 0.237 -0.058 1 15 BRA08B 1685 1982 298 12 0 0.828 0.82 2.14 0.309 0.545 0.290 1.87 0.223 -0.040 2 16 BRA08C 1696 1982 287 12 0 0.814 0.90 2.55 0.380 0.594 0.295 1.90 0.277 -0.032 1 17 BRA10A 1695 1982 288 12 0 0.743 0.51 1.30 0.155 0.542 0.222 1.87 0.221 -0.048 1 18 BRA10B 1675 1982 308 12 0 0.746 0.54 1.37 0.171 0.510 0.228 1.89 0.203 -0.048 1 19 BRA12A 1684 1982 299 12 0 0.856 0.64 2.99 0.388 0.629 0.358 2.29 0.340 -0.057 1 20 BRA13A 1735 1982 248 10 0 0.796 0.96 3.08 0.572 0.762 0.343 1.97 0.325 -0.067 2 21 BRA13B 1722 1982 261 11 0 0.795 0.74 2.22 0.402 0.702 0.349 2.01 0.288 -0.039 1 22 BRA14A 1786 1982 197 8 0 0.866 1.22 3.41 0.580 0.635 0.326 1.93 0.315 -0.061 1 23 BRA14B 1876 1982 107 4 0 0.854 1.13 2.92 0.506 0.660 0.302 1.94 0.350 -0.053 1 24 BRA15A 1721 1982 262 11 0 0.784 0.62 2.18 0.346 0.521 0.402 2.19 0.371 -0.027 1 25 BRA15B 1732 1982 251 10 0 0.778 0.70 3.76 0.387 0.453 0.365 2.50 0.378 -0.031 1 26 BRA16A 1769 1982 214 9 0 0.782 0.73 2.08 0.365 0.558 0.359 2.29 0.358 0.000 1 27 BRA17A 1675 1982 308 12 0 0.763 0.60 1.62 0.265 0.581 0.314 1.97 0.322 -0.062 1 28 BRA17B 1703 1982 280 11 0 0.732 0.55 1.62 0.245 0.607 0.308 2.18 0.370 -0.069 1 29 BRA17C 1703 1982 280 11 0 0.771 0.66 1.68 0.320 0.661 0.329 2.07 0.291 -0.055 1 30 BRA18A 1725 1982 258 10 0 0.798 0.61 1.33 0.224 0.596 0.249 1.93 0.290 -0.047 1 31 BRA18B 1694 1982 289 12 0 0.786 0.58 1.82 0.232 0.587 0.251 2.06 0.290 -0.040 1 32 BRA18C 1704 1982 279 11 0 0.782 0.82 2.53 0.362 0.638 0.282 1.89 0.278 -0.037 1 33 BRA19A 1735 1982 248 10 0 0.834 0.70 1.83 0.261 0.496 0.283 2.07 0.265 -0.043 1 34 BRA19B 1745 1982 238 10 0 0.853 0.87 2.77 0.379 0.617 0.269 2.01 0.230 -0.037 1 35 BRA19C 1720 1982 263 11 0 0.742 0.60 3.51 0.327 0.663 0.269 2.05 0.298 -0.033 1 36 BRA20A 1835 1982 148 6 0 0.875 0.81 2.28 0.305 0.329 0.345 2.14 0.359 -0.049 1 37 BRA21A 1830 1982 153 6 0 0.762 0.85 2.14 0.380 0.682 0.263 2.12 0.380 -0.007 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9098 370 0 0.794 0.71 3.76 0.315 0.587 0.295 2.50 0.301 -0.044