Chronology file name : TX021.CRN Measurement file name : TX021.RWL Date checked : 02SEP96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1671 Ending year : 1982 Principal investigators: D.W. STAHLE Site name : YEGUA CREEK Site location : TEXAS, USA Species information : QUST POST OAK Latitude : 3019N Longitude : 9638W Elevation : 90 M Series intercorrelation: 0.761 Avg mean sensitivity : 0.297 Avg standard deviation : 0.282 Avg autocorrelation : 0.459 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 YEG02A 1808 1982 .70 .77 .80 .80 .77 .82 .84 2 YEG03A 1748 1982 .69 .71 .67 .60 .63 .72 .83 .78 .69 .62 3 YEG03B 1694 1982 .84 .85 .73 .75 .69 .60 .69 .75 .79 .77 .75 .69 4 YEG03C 1681 1743 .79 .84 5 YEG04A 1748 1982 .86 .88 .83 .69 .69 .76 .77 .83 .82 .78 6 YEG04B 1732 1982 .71 .76 .76 .70 .77 .84 .82 .88 .88 .81 7 YEG05A 1692 1982 .84 .85 .87 .81 .68 .67 .81 .85 .75 .75 .78 .74 8 YEG05B 1713 1982 .88 .89 .88 .81 .79 .78 .76 .79 .80 .84 .76 9 YEG05C 1734 1982 .78 .79 .82 .74 .72 .76 .83 .82 .83 .83 10 YEG07A 1794 1982 .69 .71 .73 .78 .84 .87 .86 .83 11 YEG07B 1810 1982 .71 .77 .78 .86 .87 .86 .83 12 YEG08A 1855 1982 .71 .67 .68 .77 .70 13 YEG08B 1760 1982 .81 .84 .75 .82 .82 .82 .84 .84 .78 14 YEG09A 1704 1982 .87 .79 .71 .42 .38 .78 .83 .77 .74 .75 .73 15 YEG09B 1802 1982 .73 .65 .75 .79 .85 .74 .69 16 YEG10A 1739 1982 .70 .71 .70 .76 .89 .88 .88 .94 .91 .83 17 YEG10B 1696 1982 .74 .76 .63 .64 .76 .74 .82 .82 .82 .90 .90 .89 18 YEG11A 1689 1982 .81 .81 .76 .80 .78 .76 .84 .79 .79 .82 .84 .80 19 YEG11B 1676 1820 .71 .72 .63 .55 .52 20 YEG12A 1727 1982 .81 .80 .84 .83 .89 .87 .88 .88 .85 .81 21 YEG12B 1684 1982 .79 .83 .69 .77 .87 .77 .78 .78 .80 .82 .83 .82 22 YEG14A 1866 1982 .65 .70 .80 .78 .80 23 YEG15A 1674 1982 .77 .77 .80 .62 .63 .64 .60 .68 .63 .54 .53 .66 .73 24 YEG15B 1685 1982 .73 .84 .68 .69 .67 .56 .75 .78 .65 .70 .75 .72 25 YEG15C 1686 1842 .66 .87 .74 .66 .60 .55 26 YEG16A 1718 1840 .56 .50 .60 .76 .71 27 YEG16B 1685 1982 .79 .79 .55 .60 .69 .66 .71 .71 .75 .82 .86 .83 28 YEG16C 1688 1982 .75 .74 .51 .61 .69 .70 .80 .80 .74 .81 .86 .79 29 YEG17A 1811 1982 .65 .74 .73 .79 .86 .85 .80 30 YEG18A 1841 1982 .78 .80 .79 .87 .83 .69 31 YEG20A 1681 1790 .76 .85 .86 .76 32 YEG20B 1671 1980 .87 .87 .89 .82 .74 .65 .56 .57 .67 .72 .74 .73 .72 33 YEG21A 1747 1982 .69 .73 .72 .77 .78 .76 .83 .80 .82 .75 34 YEG21B 1815 1982 .74 .79 .77 .77 .86 .87 .79 35 YEG22A 1761 1982 .79 .73 .67 .76 .75 .77 .80 .73 .71 36 YEG22B 1703 1982 .61 .67 .77 .82 .71 .76 .82 .80 .81 .81 .76 37 YEG22C 1802 1982 .78 .76 .80 .83 .79 .84 .90 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 YEG02A 1808 1982 175 7 0 0.780 0.85 1.88 0.272 0.242 0.311 2.00 0.317 -0.028 1 2 YEG03A 1748 1982 235 10 0 0.692 0.49 1.45 0.188 0.348 0.300 2.12 0.327 -0.019 2 3 YEG03B 1694 1982 289 12 0 0.746 0.59 3.55 0.378 0.585 0.296 2.08 0.308 -0.014 1 4 YEG03C 1681 1743 63 2 0 0.801 0.90 4.76 0.732 0.541 0.473 2.26 0.512 0.023 1 5 YEG04A 1748 1982 235 10 0 0.787 0.63 1.87 0.246 0.508 0.302 2.13 0.324 -0.017 1 6 YEG04B 1732 1982 251 10 0 0.801 0.86 2.08 0.308 0.412 0.306 1.97 0.306 -0.019 1 7 YEG05A 1692 1982 291 12 0 0.775 0.75 1.82 0.238 0.367 0.248 1.90 0.265 -0.014 1 8 YEG05B 1713 1982 270 11 0 0.808 0.70 2.10 0.259 0.477 0.252 2.32 0.361 -0.021 1 9 YEG05C 1734 1982 249 10 0 0.795 0.85 1.68 0.203 0.203 0.236 2.07 0.342 0.012 1 10 YEG07A 1794 1982 189 8 0 0.798 1.09 3.09 0.588 0.493 0.425 2.18 0.349 -0.004 1 11 YEG07B 1810 1982 173 7 0 0.809 0.92 2.74 0.489 0.470 0.386 2.29 0.382 -0.052 1 12 YEG08A 1855 1982 128 5 0 0.732 0.87 2.11 0.315 0.484 0.275 1.93 0.320 -0.036 1 13 YEG08B 1760 1982 223 9 0 0.817 0.66 1.78 0.235 0.444 0.284 2.04 0.296 -0.030 1 14 YEG09A 1704 1982 279 11 0 0.717 0.70 2.14 0.273 0.460 0.299 2.15 0.367 -0.004 1 15 YEG09B 1802 1982 181 7 0 0.746 0.88 1.49 0.188 -0.089 0.248 2.22 0.342 -0.027 1 16 YEG10A 1739 1982 244 10 0 0.831 0.70 2.11 0.267 0.442 0.301 1.98 0.286 -0.025 1 17 YEG10B 1696 1982 287 12 0 0.793 0.62 1.94 0.282 0.585 0.293 2.11 0.312 -0.009 1 18 YEG11A 1689 1982 294 12 0 0.802 0.66 2.30 0.322 0.559 0.320 2.03 0.264 -0.023 1 19 YEG11B 1676 1820 145 5 0 0.622 0.43 1.28 0.218 0.646 0.311 2.07 0.395 0.032 1 20 YEG12A 1727 1982 256 10 0 0.853 0.65 1.37 0.250 0.503 0.302 2.02 0.285 -0.015 1 21 YEG12B 1684 1982 299 12 0 0.799 0.55 1.17 0.237 0.595 0.299 2.00 0.314 -0.019 6 22 YEG14A 1866 1982 117 5 0 0.752 0.73 1.79 0.347 0.013 0.473 2.19 0.477 0.013 1 23 YEG15A 1674 1982 309 13 0 0.654 0.45 2.83 0.256 0.608 0.281 1.99 0.273 -0.009 1 24 YEG15B 1685 1982 298 12 0 0.700 0.52 1.85 0.224 0.533 0.297 2.15 0.369 -0.016 1 25 YEG15C 1686 1842 157 6 0 0.645 0.59 2.01 0.330 0.506 0.349 2.20 0.409 -0.027 1 26 YEG16A 1718 1840 123 5 0 0.656 0.53 1.49 0.196 0.552 0.249 2.01 0.338 -0.039 1 27 YEG16B 1685 1982 298 12 0 0.739 0.49 1.26 0.169 0.422 0.262 2.13 0.290 -0.010 1 28 YEG16C 1688 1982 295 12 0 0.744 0.53 1.51 0.186 0.496 0.254 1.97 0.216 -0.042 1 29 YEG17A 1811 1982 172 7 0 0.764 1.08 2.59 0.435 0.354 0.350 2.00 0.348 -0.008 1 30 YEG18A 1841 1982 142 6 0 0.769 0.92 3.28 0.438 0.502 0.323 2.22 0.365 -0.007 1 31 YEG20A 1681 1790 110 4 0 0.779 0.58 1.57 0.317 0.404 0.411 2.28 0.467 0.062 1 32 YEG20B 1671 1980 310 13 0 0.710 0.63 1.84 0.324 0.538 0.352 2.02 0.301 -0.002 1 33 YEG21A 1747 1982 236 10 0 0.779 0.83 1.97 0.350 0.578 0.287 1.96 0.227 -0.022 1 34 YEG21B 1815 1982 168 7 0 0.803 0.83 1.44 0.211 0.157 0.275 1.91 0.297 -0.047 1 35 YEG22A 1761 1982 222 9 0 0.749 0.78 2.33 0.297 0.643 0.231 2.14 0.361 -0.020 1 36 YEG22B 1703 1982 280 11 0 0.765 0.74 1.89 0.249 0.486 0.240 2.07 0.317 -0.023 1 37 YEG22C 1802 1982 181 7 0 0.813 0.72 1.42 0.185 0.425 0.209 1.93 0.275 0.002 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8174 331 0 0.761 0.69 4.76 0.282 0.459 0.297 2.32 0.320 -0.015