Chronology file name : TX033.CRN Measurement file name : TX033.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 : LAUACA RIVER Site location : TEXAS, USA Species information : QUST POST OAK Latitude : 2918N Longitude : 9658W Elevation : 75 M Series intercorrelation: 0.808 Avg mean sensitivity : 0.325 Avg standard deviation : 0.296 Avg autocorrelation : 0.418 Number dated series : 34 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.31 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: 15:54 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 HAL01A 1735 1982 .65 .72 .83 .85 .88 .86 .87 .93 .71 .61 2 HAL01B 1801 1982 .64 .25B .47 .80 .91 .89 .83 3 HAL02A 1718 1982 .77 .74 .67 .73 .74 .79 .85 .85 .87 .80 .76 4 HAL02B 1847 1982 .79 .79 .74 .86 .89 .85 5 HAL03A 1696 1982 .73 .69 .69 .79 .86 .81 .68 .68 .83 .90 .89 .87 6 HAL03B 1721 1982 .77 .73 .80 .92 .89 .82 .67 .71 .91 .92 .82 7 HAL04A 1789 1982 .79 .78 .77 .83 .87 .86 .65 .50 8 HAL04B 1779 1982 .88 .87 .85 .83 .87 .91 .81 .75 9 HAL05A 1704 1982 .74 .73 .66 .62 .61 .72 .89 .90 .89 .88 .84 10 HAL05B 1713 1982 .79 .75 .73 .77 .83 .84 .84 .87 .88 .87 .81 11 HAL07A 1707 1982 .78 .73 .81 .83 .86 .89 .83 .83 .87 .90 .89 12 HAL07B 1733 1982 .92 .88 .87 .80 .80 .85 .85 .89 .89 .89 13 HAL08A 1749 1982 .86 .86 .92 .82 .73 .72 .83 .93 .86 .80 14 HAL08B 1678 1982 .80 .78 .80 .91 .91 .77 .63 .74 .82 .88 .89 .85 15 HAL08C 1678 1982 .89 .85 .81 .87 .89 .82 .65 .71 .85 .89 .85 .80 16 HAL08D 1679 1719 .73 17 HAL11A 1849 1982 .79 .79 .82 .88 .89 .85 18 HAL12A 1690 1982 .74 .69 .68 .76 .84 .81 .86 .85 .83 .88 .81 .76 19 HAL13A 1668 1982 .74 .72 .78 .78 .78 .87 .87 .85 .78 .78 .78 .75 .70 20 HAL13B 1687 1982 .84 .87 .90 .86 .87 .80 .77 .78 .83 .89 .88 .83 21 HAL14A 1683 1982 .72 .86 .78 .83 .91 .89 .87 .82 .81 .78 .79 .72 22 HAL14B 1707 1982 .79 .78 .79 .85 .79 .78 .75 .73 .82 .84 .84 23 HAL15A 1689 1982 .60 .57 .76 .86 .83 .77 .80 .78 .86 .87 .80 .80 24 HAL15B 1676 1982 .72 .74 .80 .86 .80 .76 .77 .73 .81 .87 .88 .84 25 HAL16A 1677 1840 .76 .70 .76 .89 .91 .87 26 HAL17A 1703 1982 .80 .61 .70 .83 .73 .72 .80 .80 .87 .89 .85 27 HAL17B 1723 1982 .82 .79 .78 .87 .90 .90 .87 .86 .83 .86 .83 28 HAL17C 1682 1981 .69 .74 .82 .83 .89 .88 .83 .83 .87 .90 .90 .89 29 HAL17D 1671 1787 .65 .65 .75 .79 .80 30 HAL18A 1857 1982 .55 .65 .85 .85 .85 31 HAL19B 1733 1982 .70 .65 .80 .82 .83 .89 .87 .86 .78 .70 32 HAL20A 1773 1982 .79 .80 .75 .79 .86 .84 .90 .92 .88 33 HAL20B 1777 1982 .80 .76 .79 .84 .86 .87 .89 .82 34 HAL21A 1770 1982 .82 .85 .81 .83 .84 .86 .89 .85 .82 PART 7: DESCRIPTIVE STATISTICS: 15:54 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 HAL01A 1735 1982 248 10 0 0.786 0.68 2.21 0.291 0.359 0.337 2.08 0.352 -0.014 1 2 HAL01B 1801 1982 182 7 1 0.721 0.87 2.18 0.404 0.510 0.344 1.93 0.321 -0.003 1 3 HAL02A 1718 1982 265 11 0 0.779 0.75 2.30 0.399 0.620 0.323 2.24 0.416 -0.017 1 4 HAL02B 1847 1982 136 6 0 0.832 1.07 2.52 0.422 0.430 0.310 2.07 0.337 -0.069 1 5 HAL03A 1696 1982 287 12 0 0.797 0.69 1.94 0.300 0.404 0.329 1.95 0.294 -0.054 1 6 HAL03B 1721 1982 262 11 0 0.819 0.65 2.26 0.247 0.315 0.317 1.95 0.292 -0.029 1 7 HAL04A 1789 1982 194 8 0 0.761 0.89 3.59 0.326 0.431 0.250 2.06 0.319 0.004 4 8 HAL04B 1779 1982 204 8 0 0.854 0.82 1.58 0.275 0.431 0.291 1.93 0.312 -0.008 1 9 HAL05A 1704 1982 279 11 0 0.769 0.58 1.52 0.244 0.528 0.298 2.04 0.332 -0.014 1 10 HAL05B 1713 1982 270 11 0 0.813 0.64 1.30 0.248 0.482 0.296 2.03 0.277 -0.016 3 11 HAL07A 1707 1982 276 11 0 0.838 0.83 1.93 0.277 0.273 0.317 1.99 0.314 -0.030 4 12 HAL07B 1733 1982 250 10 0 0.865 0.99 2.33 0.342 0.229 0.350 2.07 0.371 -0.034 1 13 HAL08A 1749 1982 234 10 0 0.830 0.73 1.95 0.275 0.417 0.311 1.94 0.298 -0.005 1 14 HAL08B 1678 1982 305 12 0 0.821 0.71 2.43 0.320 0.504 0.311 2.03 0.326 0.010 1 15 HAL08C 1678 1982 305 12 0 0.823 0.87 3.22 0.463 0.610 0.320 2.13 0.330 -0.007 1 16 HAL08D 1679 1719 41 1 0 0.732 0.99 4.87 0.828 0.711 0.402 2.37 0.610 -0.082 1 17 HAL11A 1849 1982 134 6 0 0.837 0.61 1.52 0.229 0.294 0.329 1.91 0.315 -0.035 1 18 HAL12A 1690 1982 293 12 0 0.797 0.58 1.43 0.269 0.546 0.331 2.11 0.316 -0.036 1 19 HAL13A 1668 1982 315 13 0 0.782 0.51 2.81 0.332 0.641 0.349 2.12 0.410 0.010 1 20 HAL13B 1687 1982 296 12 0 0.835 0.63 2.32 0.289 0.344 0.360 2.28 0.411 -0.001 1 21 HAL14A 1683 1982 300 12 0 0.814 0.60 1.23 0.193 0.232 0.312 2.10 0.347 -0.005 1 22 HAL14B 1707 1982 276 11 0 0.791 0.61 1.28 0.191 0.190 0.305 2.14 0.330 -0.006 1 23 HAL15A 1689 1982 294 12 0 0.777 0.58 2.56 0.308 0.458 0.373 2.17 0.314 -0.017 1 24 HAL15B 1676 1982 307 12 0 0.794 0.60 1.48 0.259 0.376 0.362 2.05 0.334 -0.014 1 25 HAL16A 1677 1840 164 6 0 0.823 0.70 1.57 0.296 0.244 0.416 2.04 0.388 0.004 1 26 HAL17A 1703 1982 280 11 0 0.793 0.82 1.74 0.301 0.540 0.272 2.08 0.320 0.006 1 27 HAL17B 1723 1982 260 11 0 0.861 0.68 1.55 0.254 0.407 0.333 2.01 0.351 -0.029 1 28 HAL17C 1682 1981 300 12 0 0.848 0.52 1.40 0.205 0.445 0.325 2.02 0.337 -0.008 1 29 HAL17D 1671 1787 117 5 0 0.730 0.50 2.01 0.296 0.588 0.371 2.05 0.378 0.017 1 30 HAL18A 1857 1982 126 5 0 0.735 0.61 1.27 0.189 0.238 0.283 2.03 0.365 -0.023 1 31 HAL19B 1733 1982 250 10 0 0.794 0.90 1.96 0.336 0.520 0.274 1.94 0.273 -0.004 1 32 HAL20A 1773 1982 210 9 0 0.842 0.92 1.98 0.330 0.295 0.338 2.01 0.356 -0.021 1 33 HAL20B 1777 1982 206 8 0 0.828 1.08 2.38 0.397 0.341 0.345 2.06 0.344 -0.018 3 34 HAL21A 1770 1982 213 9 0 0.845 0.57 1.24 0.199 0.263 0.331 2.10 0.344 -0.010 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8079 327 1 0.808 0.71 4.87 0.296 0.418 0.325 2.37 0.338 -0.014