NOTE: All statistics reported below describe the raw measurement file, not the chronology itself. This file should be viewed with a non-proportional font. Chronology file name : IA009.CRN Measurement file name : IA009.RWL Date checked : 16DEC94 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1676 Ending year : 1977 Principal investigators: DANIEL N. DUVICK Site name : LEDGES STATE PARK Site location : IOWA, USA Species information : QUAL WHITE OAK Latitude : 4200N Longitude : 9353W Elevation : 300 M Series intercorrelation: 0.714 Avg mean sensitivity : 0.230 Avg standard deviation : 0.493 Avg autocorrelation : 0.686 Number dated series : 72 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 Comments: EXCELLENT HIGH QUALITY CHRONOLOGY 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 16:04 Fri 16 DEC 1994 Page 2 ----------------------------------------------------------------------------------------------------------------------------------- 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 Interval 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 648011 1894 1976 - - - - - - - - .83 .76 .80 .79 - - - - - - - - + 2 648012 1894 1976 - - - - - - - - .79 .77 .78 .77 - - - - - - - - + 3 648021 1847 1976 - - - - - - .52 .53 .62 .75 .76 .77 - - - - - - - - + 4 648022 1854 1976 - - - - - - - .49 .66 .82 .79 .78 - - - - - - - - + 5 648041 1878 1976 - - - - - - - - .54 .77 .84 .84 - - - - - - - - + 6 648042 1872 1976 - - - - - - - .74 .73 .84 .87 .88 - - - - - - - - + 7 648051 1881 1976 - - - - - - - - .70 .77 .84 .84 - - - - - - - - + 8 648052 1867 1976 - - - - - - - .65 .70 .86 .90 .90 - - - - - - - - + 9 648061 1882 1976 - - - - - - - - .74 .78 .81 .85 - - - - - - - - + 10 648062 1880 1976 - - - - - - - - .60 .75 .80 .81 - - - - - - - - + 11 648071 1889 1976 - - - - - - - - .63 .56 .49 .45 - - - - - - - - + 12 648072 1850 1976 - - - - - - - .52 .37 .50 .61 .59 - - - - - - - - + 13 648081 1843 1976 - - - - - - .55 .62 .44 .48 .65 .61 - - - - - - - - + 14 648082 1854 1976 - - - - - - - .50 .59 .60 .64 .62 - - - - - - - - + 15 648091 1829 1976 - - - - - - .52 .67 .64 .78 .90 .90 - - - - - - - - + 16 648092 1812 1976 - - - - - .61 .62 .70 .77 .76 .78 .78 - - - - - - - - + 17 648111 1890 1976 - - - - - - - - .72 .79 .81 .83 - - - - - - - - + 18 648112 1891 1976 - - - - - - - - .73 .77 .80 .79 - - - - - - - - + 19 648131 1785 1976 - - - - .56 .56 .61 .75 .72 .79 .71 .70 - - - - - - - - + 20 648132 1800 1976 - - - - - .52 .57 .69 .71 .78 .74 .73 - - - - - - - - + 21 648141 1883 1976 - - - - - - - - .76 .75 .77 .78 - - - - - - - - + 22 648142 1880 1976 - - - - - - - - .72 .75 .82 .82 - - - - - - - - + 23 648151 1827 1976 - - - - - - .39 .64 .85 .83 .77 .75 - - - - - - - - + 24 648152 1835 1976 - - - - - - .53 .64 .81 .85 .86 .88 - - - - - - - - + 25 648161 1814 1976 - - - - - .52 .56 .76 .77 .86 .87 .87 - - - - - - - - + 26 648162 1853 1976 - - - - - - - .57 .74 .84 .85 .84 - - - - - - - - + 27 648171 1832 1976 - - - - - - .44 .36 .51 .74 .66 .64 - - - - - - - - + 28 648172 1827 1976 - - - - - - .34 .48 .53 .69 .78 .78 - - - - - - - - + 29 648181 1836 1976 - - - - - - .56 .68 .69 .83 .87 .86 - - - - - - - - + 30 648182 1835 1976 - - - - - - .55 .70 .71 .80 .80 .79 - - - - - - - - + 31 648191 1860 1976 - - - - - - - .63 .67 .79 .77 .71 - - - - - - - - + 32 648192 1890 1976 - - - - - - - - .67 .72 .82 .77 - - - - - - - - + 33 648201 1723 1976 - .66 .70 .73 .74 .76 .81 .85 .84 .88 .87 .86 - - - - - - - - + 34 648202 1721 1976 - .86 .84 .70 .58 .58 .65 .72 .75 .87 .93 .91 - - - - - - - - + 35 648211 1688 1976 .59 .69 .70 .57 .50 .54 .51 .45 .62 .83 .86 .85 - - - - - - - - + 36 648212 1720 1976 - .83 .81 .70 .71 .75 .70 .66 .70 .82 .85 .84 - - - - - - - - + 37 648221 1710 1976 - .74 .84 .78 .77 .80 .70 .72 .80 .80 .78 .81 - - - - - - - - + 38 648222 1723 1976 - .79 .77 .71 .75 .82 .82 .83 .83 .86 .89 .90 - - - - - - - - + 39 648223 1705 1976 - .69 .81 .83 .78 .74 .61 .61 .76 .83 .80 .79 - - - - - - - - + 40 648231 1862 1976 - - - - - - - .62 .69 .73 .71 .71 - - - - - - - - + 41 648232 1865 1976 - - - - - - - .70 .64 .74 .75 .77 - - - - - - - - + 42 648241 1724 1976 - .85 .84 .76 .79 .80 .74 .71 .72 .72 .77 .76 - - - - - - - - + 43 648242 1733 1976 - - .79 .76 .70 .75 .70 .65 .63 .81 .91 .90 - - - - - - - - + 44 648251 1755 1976 - - - .70 .72 .69 .50 .52 .70 .79 .84 .82 - - - - - - - - + 45 648252 1765 1976 - - - .81 .80 .76 .76 .73 .75 .92 .91 .91 - - - - - - - - + 46 648261 1837 1976 - - - - - - .75 .70 .67 .82 .78 .78 - - - - - - - - + 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 16:04 Fri 16 DEC 1994 Page 4 ----------------------------------------------------------------------------------------------------------------------------------- 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 Interval 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 47 648262 1837 1976 - - - - - - .72 .72 .66 .82 .84 .82 - - - - - - - - + 48 648271 1727 1977 - - .71 .54 .43 .60 .72 .77 .79 .88 .85 .86 - - - - - - - - + 49 648272 1757 1977 - - - .59 .51 .57 .73 .77 .75 .83 .87 .88 - - - - - - - - + 50 648281 1834 1977 - - - - - - .66 .77 .78 .79 .85 .83 - - - - - - - - + 51 648282 1849 1977 - - - - - - .71 .70 .84 .88 .90 .89 - - - - - - - - + 52 648291 1721 1977 - .67 .69 .71 .70 .64 .70 .78 .77 .85 .90 .91 - - - - - - - - + 53 648292 1756 1977 - - - .66 .68 .72 .77 .82 .80 .79 .87 .87 - - - - - - - - + 54 648301 1755 1977 - - - .72 .76 .70 .75 .67 .57 .78 .80 .80 - - - - - - - - + 55 648302 1746 1977 - - .77 .81 .67 .51 .65 .67 .65 .80 .79 .80 - - - - - - - - + 56 648311 1731 1977 - - .77 .70 .72 .78 .63 .53 .63 .73 .68 .68 - - - - - - - - + 57 648312 1734 1977 - - .66 .66 .74 .76 .70 .65 .64 .76 .63 .58 - - - - - - - - + 58 648321 1834 1977 - - - - - - .65 .75 .75 .84 .89 .90 - - - - - - - - + 59 648322 1854 1977 - - - - - - - .82 .83 .89 .90 .90 - - - - - - - - + 60 648323 1782 1977 - - - - .73 .63 .66 .76 .69 .81 .91 .91 - - - - - - - - + 61 648331 1745 1977 - - .66 .65 .70 .70 .56 .61 .76 .89 .77 .76 - - - - - - - - + 62 648332 1755 1977 - - - .68 .72 .77 .79 .81 .77 .85 .86 .84 - - - - - - - - + 63 648341 1748 1977 - - .77 .79 .73 .69 .70 .73 .55 .69 .63 .63 - - - - - - - - + 64 648342 1721 1977 - .63 .63 .64 .77 .71 .73 .75 .67 .81 .79 .82 - - - - - - - - + 65 648361 1788 1977 - - - - .67 .57 .46 .59 .65 .71 .67 .70 - - - - - - - - + 66 648362 1817 1977 - - - - - .54 .58 .52 .70 .85 .78 .78 - - - - - - - - + 67 648371 1690 1977 .73 .71 .73 .76 .70 .68 .81 .65 .41 .61 .71 .74 - - - - - - - - + 68 648372 1676 1977 .63 .59 .67 .78 .76 .74 .76 .59 .52 .69 .67 .69 - - - - - - - - + 69 648391 1750 1977 - - - .58 .56 .58 .52 .41 .50 .75 .76 .77 - - - - - - - - + 70 648392 1741 1977 - - .60 .69 .71 .63 .45 .40 .56 .69 .67 .69 - - - - - - - - + 71 648401 1696 1977 .63 .63 .56 .41 .57 .70 .74 .77 .58 .74 .77 .79 - - - - - - - - + 72 648402 1770 1977 - - - .64 .68 .74 .74 .79 .75 .79 .71 .75 - - - - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 16:04 Fri 16 DEC 1994 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 648011 1894 1976 83 4 0 0.797 3.08 7.46 1.418 0.771 0.264 2.05 0.461 0.039 1 2 648012 1894 1976 83 4 0 0.773 3.33 6.70 1.313 0.715 0.260 1.98 0.420 0.003 1 3 648021 1847 1976 130 6 0 0.670 1.97 4.43 0.825 0.781 0.211 1.89 0.288 -0.014 1 4 648022 1854 1976 123 5 0 0.688 1.81 5.02 0.826 0.758 0.236 2.10 0.387 -0.048 3 5 648041 1878 1976 99 4 0 0.723 2.19 4.61 0.846 0.658 0.247 1.89 0.302 -0.050 1 6 648042 1872 1976 105 5 0 0.815 2.31 4.40 0.651 0.424 0.237 1.90 0.356 -0.014 2 7 648051 1881 1976 96 4 0 0.783 2.18 6.28 1.157 0.821 0.228 1.82 0.309 0.032 1 8 648052 1867 1976 110 5 0 0.792 2.29 8.08 1.311 0.696 0.283 2.02 0.378 -0.029 1 9 648061 1882 1976 95 4 0 0.794 2.68 4.05 0.616 0.404 0.216 1.89 0.391 0.040 1 10 648062 1880 1976 97 4 0 0.737 2.78 4.94 0.833 0.539 0.235 1.77 0.349 -0.031 2 11 648071 1889 1976 88 4 0 0.520 1.88 4.19 0.705 0.664 0.252 2.02 0.413 -0.010 1 12 648072 1850 1976 127 5 0 0.502 2.05 4.67 0.924 0.632 0.299 2.13 0.430 0.027 2 13 648081 1843 1976 134 6 0 0.521 1.88 4.47 0.653 0.609 0.230 2.08 0.370 -0.005 2 14 648082 1854 1976 123 5 0 0.567 1.93 3.92 0.659 0.610 0.247 1.97 0.304 0.028 1 15 648091 1829 1976 148 6 0 0.733 1.30 2.57 0.361 0.426 0.235 2.01 0.322 -0.040 2 16 648092 1812 1976 165 7 0 0.725 1.10 2.04 0.356 0.605 0.233 2.05 0.382 0.015 3 17 648111 1890 1976 87 4 0 0.781 2.37 5.85 0.930 0.506 0.280 1.99 0.315 -0.033 1 18 648112 1891 1976 86 4 0 0.750 2.93 8.87 1.316 0.604 0.289 2.17 0.422 -0.001 1 19 648131 1785 1976 192 8 0 0.661 0.88 2.07 0.272 0.517 0.224 2.16 0.358 -0.031 2 20 648132 1800 1976 177 7 0 0.653 0.82 1.76 0.272 0.625 0.241 1.88 0.313 -0.023 2 21 648141 1883 1976 94 4 0 0.760 1.35 3.90 0.623 0.620 0.281 2.02 0.408 -0.016 2 22 648142 1880 1976 97 4 0 0.772 1.25 2.75 0.477 0.474 0.306 2.10 0.423 0.016 2 23 648151 1827 1976 150 6 0 0.681 0.97 2.17 0.332 0.548 0.255 2.04 0.333 0.045 2 24 648152 1835 1976 142 6 0 0.763 1.23 2.79 0.513 0.602 0.303 1.99 0.342 0.001 2 25 648161 1814 1976 163 7 0 0.761 1.19 4.45 0.710 0.839 0.234 2.02 0.405 0.004 3 26 648162 1853 1976 124 5 0 0.745 1.35 3.59 0.544 0.705 0.235 1.97 0.330 -0.039 2 27 648171 1832 1976 145 6 0 0.560 1.42 3.25 0.650 0.803 0.205 2.04 0.377 -0.036 2 28 648172 1827 1976 150 6 0 0.586 1.42 3.09 0.675 0.823 0.190 2.02 0.326 -0.047 2 29 648181 1836 1976 141 6 0 0.721 1.59 5.41 0.805 0.802 0.229 1.84 0.272 -0.028 1 30 648182 1835 1976 142 6 0 0.703 1.49 4.77 0.790 0.805 0.227 2.18 0.350 -0.008 1 31 648191 1860 1976 117 5 0 0.682 2.39 6.05 1.011 0.567 0.272 2.05 0.395 0.046 1 32 648192 1890 1976 87 4 0 0.702 2.90 5.63 1.182 0.576 0.296 1.90 0.405 0.025 1 33 648201 1723 1976 254 11 0 0.789 0.96 2.71 0.494 0.848 0.234 2.23 0.348 -0.037 1 34 648202 1721 1976 256 11 0 0.745 1.01 4.24 0.547 0.820 0.246 1.99 0.226 -0.018 1 35 648211 1688 1976 289 12 0 0.642 0.88 2.08 0.314 0.724 0.208 2.03 0.307 -0.001 1 36 648212 1720 1976 257 11 0 0.772 1.29 3.13 0.478 0.716 0.201 2.16 0.279 -0.007 1 37 648221 1710 1976 267 11 0 0.763 0.94 2.32 0.324 0.731 0.204 1.95 0.318 -0.004 1 38 648222 1723 1976 254 11 0 0.817 1.01 2.54 0.423 0.816 0.196 2.05 0.407 0.011 1 39 648223 1705 1976 272 11 0 0.736 0.96 2.41 0.322 0.706 0.203 1.95 0.337 -0.011 1 40 648231 1862 1976 115 5 0 0.682 2.23 4.27 0.818 0.568 0.262 2.00 0.384 -0.019 1 41 648232 1865 1976 112 5 0 0.719 2.03 5.13 0.838 0.621 0.245 2.25 0.437 -0.013 1 42 648241 1724 1976 253 11 0 0.769 0.99 2.63 0.347 0.663 0.215 2.02 0.380 -0.038 2 43 648242 1733 1976 244 10 0 0.765 0.91 1.84 0.277 0.650 0.195 2.22 0.403 0.002 1 44 648251 1755 1976 222 9 0 0.698 0.82 1.97 0.318 0.698 0.234 2.10 0.386 -0.002 1 45 648252 1765 1976 212 9 0 0.807 0.96 2.34 0.348 0.697 0.226 2.02 0.360 0.019 1 46 648261 1837 1976 140 6 0 0.733 1.18 2.79 0.493 0.811 0.180 1.90 0.262 0.012 2 47 648262 1837 1976 140 6 0 0.762 1.12 2.47 0.406 0.783 0.182 1.86 0.451 -0.016 2 48 648271 1727 1977 251 10 0 0.710 0.79 2.21 0.377 0.763 0.233 2.03 0.330 0.009 1 1 PART 7: DESCRIPTIVE STATISTICS: 16:04 Fri 16 DEC 1994 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 648272 1757 1977 221 9 0 0.720 0.94 2.13 0.445 0.788 0.249 2.01 0.334 -0.022 3 50 648281 1834 1977 144 6 0 0.769 0.98 1.84 0.287 0.526 0.221 2.03 0.355 0.020 2 51 648282 1849 1977 129 6 0 0.833 1.24 2.17 0.366 0.456 0.254 2.03 0.370 -0.004 1 52 648291 1721 1977 257 11 0 0.772 1.21 5.27 0.774 0.875 0.209 1.99 0.350 -0.003 1 53 648292 1756 1977 222 9 0 0.778 1.28 5.06 0.850 0.845 0.229 2.16 0.350 0.007 2 54 648301 1755 1977 223 9 0 0.725 0.92 2.32 0.302 0.579 0.228 2.00 0.285 -0.024 2 55 648302 1746 1977 232 10 0 0.711 0.98 2.20 0.302 0.618 0.180 2.13 0.367 -0.012 1 56 648311 1731 1977 247 10 0 0.680 0.76 2.99 0.385 0.759 0.252 1.97 0.345 -0.009 1 57 648312 1734 1977 244 10 0 0.648 0.81 2.46 0.329 0.669 0.232 1.96 0.341 -0.001 1 58 648321 1834 1977 144 6 0 0.794 1.18 2.30 0.375 0.439 0.276 1.92 0.318 -0.007 2 59 648322 1854 1977 124 5 0 0.857 1.35 2.95 0.470 0.419 0.294 1.97 0.378 -0.010 2 60 648323 1782 1977 196 8 0 0.767 0.99 2.06 0.420 0.667 0.284 1.95 0.323 0.002 2 61 648331 1745 1977 233 10 0 0.706 0.93 1.93 0.357 0.733 0.220 1.96 0.329 0.006 1 62 648332 1755 1977 223 9 0 0.792 0.87 2.15 0.310 0.738 0.206 1.99 0.305 -0.014 1 63 648341 1748 1977 230 10 0 0.661 1.21 2.79 0.359 0.572 0.213 2.09 0.345 -0.002 1 64 648342 1721 1977 257 11 0 0.727 0.89 1.80 0.274 0.662 0.204 2.01 0.332 -0.021 1 65 648361 1788 1977 190 8 0 0.630 0.78 1.59 0.253 0.548 0.228 2.19 0.361 0.000 2 66 648362 1817 1977 161 7 0 0.702 1.00 1.92 0.344 0.702 0.199 1.95 0.380 -0.023 1 67 648371 1690 1977 288 12 0 0.690 0.77 2.24 0.291 0.710 0.204 1.97 0.275 0.008 1 68 648372 1676 1977 302 12 0 0.668 0.75 1.61 0.242 0.647 0.207 1.96 0.292 0.000 1 69 648391 1750 1977 228 9 0 0.592 0.76 1.58 0.280 0.656 0.252 2.06 0.264 -0.039 1 70 648392 1741 1977 237 10 0 0.590 0.66 1.65 0.316 0.763 0.259 2.21 0.328 -0.028 1 71 648401 1696 1977 282 12 0 0.650 0.76 2.19 0.399 0.834 0.232 2.04 0.360 -0.013 1 72 648402 1770 1977 208 9 0 0.711 0.90 1.93 0.393 0.818 0.189 1.97 0.350 -0.004 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 12660 533 0 0.714 1.22 8.87 0.493 0.686 0.230 2.25 0.344 -0.007