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 : IA001.CRN Measurement file name : IA001.RWL Date checked : 16DEC94 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1730 Ending year : 1980 Principal investigators: DANIEL N. DUVICK Site name : BACKBONE STATE PARK Site location : IOWA, USA Species information : QUAL WHITE OAK Latitude : 4237N Longitude : 9134W Elevation : 315 M Series intercorrelation: 0.684 Avg mean sensitivity : 0.213 Avg standard deviation : 0.459 Avg autocorrelation : 0.642 Number dated series : 75 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 0.97 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Comments: EXCELLENT HIGH QUALITY CHRONOLOGY ALL FLAGS = LOW CORRELATIONS WITH MASTER 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 15:50 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 1 BKB011 1782 1864 - - .72 .81 .70 - - - - - - - - - - - - - - - + 2 BKB011 1870 1980 - - - - - .67 .73 .61 .58 .68 - - - - - - - - - - + 3 BKB021 1788 1841 - - .68 .64 - - - - - - - - - - - - - - - - + 4 BKB021 1850 1980 - - - - - .69 .77 .75 .56 .56 - - - - - - - - - - + 5 BKB022 1782 1841 - - .72 .71 - - - - - - - - - - - - - - - - + 6 BKB022 1850 1980 - - - - - .56 .66 .65 .50 .54 - - - - - - - - - - + 7 BKB031 1749 1980 .46 .46 .70 .61 .50 .83 .79 .76 .78 .77 - - - - - - - - - - + 8 BKB032 1730 1932 .34 .49 .64 .51 .44 .78 .74 .74 - - - - - - - - - - - - + 9 BKB032 1936 1980 - - - - - - - - .46 - - - - - - - - - - - + 10 BKB041 1790 1980 - - .57 .47 .17 .49 .72 .80 .81 .81 - - - - - - - - - - + ___B 11 BKB042 1833 1966 - - - - .39 .62 .78 .85 .82 - - - - - - - - - - - + ___B 12 BKB051 1818 1980 - - - .62 .64 .64 .64 .74 .65 .73 - - - - - - - - - - + 13 BKB082 1789 1980 - - .53 .61 .66 .67 .69 .79 .73 .73 - - - - - - - - - - + 14 BKB101 1780 1980 - - .73 .75 .73 .78 .80 .84 .67 .65 - - - - - - - - - - + 15 BKB102 1786 1980 - - .77 .74 .73 .83 .85 .89 .83 .82 - - - - - - - - - - + 16 BKB111 1764 1980 - .75 .76 .75 .70 .81 .77 .77 .76 .80 - - - - - - - - - - + 17 BKB112 1741 1976 .17 .34 .73 .71 .71 .85 .84 .85 .76 .75 - - - - - - - - - - + ___B 18 BKB121 1753 1980 - .71 .79 .79 .75 .87 .82 .81 .76 .77 - - - - - - - - - - + 19 BKB122 1781 1980 - - .74 .69 .74 .81 .79 .78 .76 .73 - - - - - - - - - - + 20 BKB131 1790 1980 - - .78 .80 .67 .70 .78 .83 .86 .88 - - - - - - - - - - + 21 BKB132 1783 1980 - - .72 .76 .81 .83 .67 .73 .85 .85 - - - - - - - - - - + 22 BKB141 1772 1980 - .73 .71 .69 .73 .82 .78 .79 .75 .77 - - - - - - - - - - + 23 BKB142 1804 1980 - - - .70 .69 .79 .81 .69 .54 .54 - - - - - - - - - - + 24 BKB151 1780 1980 - - .74 .77 .75 .83 .86 .72 .62 .67 - - - - - - - - - - + 25 BKB152 1810 1980 - - - .80 .79 .74 .71 .70 .64 .71 - - - - - - - - - - + 26 BKB161 1861 1980 - - - - - .72 .76 .74 .61 .55 - - - - - - - - - - + 27 BKB162 1828 1980 - - - - .57 .71 .74 .72 .75 .73 - - - - - - - - - - + 28 BKB171 1807 1980 - - - .65 .67 .75 .82 .85 .83 .81 - - - - - - - - - - + 29 BKB172 1774 1980 - .59 .60 .75 .64 .67 .74 .80 .64 .67 - - - - - - - - - - + 30 BKB181 1803 1980 - - - .35 .56 .78 .85 .77 .61 .65 - - - - - - - - - - + 31 BKB182 1774 1980 - .54 .54 .52 .59 .77 .81 .77 .69 .73 - - - - - - - - - - + 32 BKB191 1810 1980 - - - .36 .68 .74 .74 .76 .66 .69 - - - - - - - - - - + 33 BKB192 1810 1980 - - - .36 .56 .72 .79 .82 .77 .80 - - - - - - - - - - + ___B 34 BKB201 1850 1980 - - - - - .75 .84 .65 .55 .59 - - - - - - - - - - + 35 BKB202 1850 1979 - - - - - .78 .78 .75 .74 .80 - - - - - - - - - - + 36 BKB211 1809 1980 - - - .57 .67 .80 .79 .77 .79 .85 - - - - - - - - - - + 37 BKB212 1760 1980 - .43 .43 .51 .65 .74 .82 .82 .74 .83 - - - - - - - - - - + 38 BKB221 1820 1980 - - - .74 .74 .85 .80 .81 .86 .85 - - - - - - - - - - + 39 BKB222 1786 1980 - - .58 .59 .74 .85 .86 .88 .79 .77 - - - - - - - - - - + 40 BKB231 1777 1980 - - .72 .75 .76 .84 .83 .85 .78 .79 - - - - - - - - - - + 41 BKB232 1783 1980 - - .70 .79 .79 .79 .73 .78 .75 .71 - - - - - - - - - - + 42 BKB241 1779 1980 - - .79 .77 .74 .79 .81 .77 .76 .82 - - - - - - - - - - + 43 BKB242 1836 1980 - - - - .68 .76 .84 .84 .85 .85 - - - - - - - - - - + 44 BKB251 1794 1980 - - .71 .74 .54 .65 .70 .63 .71 .76 - - - - - - - - - - + 45 BKB252 1794 1980 - - .68 .61 .48 .68 .76 .80 .76 .77 - - - - - - - - - - + 46 BKB261 1788 1980 - - .64 .69 .56 .67 .72 .73 .71 .72 - - - - - - - - - - + 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 15:50 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 47 BKB262 1788 1980 - - .72 .70 .60 .68 .73 .68 .47 .50 - - - - - - - - - - + 48 BKB271 1841 1980 - - - - .53 .57 .74 .77 .77 .78 - - - - - - - - - - + 49 BKB272 1847 1980 - - - - .63 .64 .71 .66 .63 .70 - - - - - - - - - - + 50 BKB301 1924 1980 - - - - - - - .52 .50 .46 - - - - - - - - - - + 51 BKB302 1924 1980 - - - - - - - .59 .58 .49 - - - - - - - - - - + 52 BKB311 1922 1980 - - - - - - - .60 .59 .51 - - - - - - - - - - + 53 BKB312 1922 1975 - - - - - - - .62 .59 .59 - - - - - - - - - - + 54 BKB321 1927 1980 - - - - - - - - .64 .62 - - - - - - - - - - + 55 BKB322 1927 1980 - - - - - - - - .63 .62 - - - - - - - - - - + 56 BKB331 1923 1980 - - - - - - - .59 .60 .63 - - - - - - - - - - + 57 BKB332 1923 1980 - - - - - - - .57 .56 .52 - - - - - - - - - - + 58 BKB341 1930 1980 - - - - - - - - .60 .61 - - - - - - - - - - + 59 BKB342 1927 1980 - - - - - - - - .62 .57 - - - - - - - - - - + 60 BKB351 1909 1980 - - - - - - - .70 .81 .81 - - - - - - - - - - + 61 BKB352 1909 1980 - - - - - - - .72 .68 .76 - - - - - - - - - - + 62 BKB361 1898 1977 - - - - - - .57 .59 .66 .67 - - - - - - - - - - + 63 BKB362 1898 1980 - - - - - - .70 .72 .76 .76 - - - - - - - - - - + 64 BKB371 1921 1980 - - - - - - - .70 .69 .71 - - - - - - - - - - + 65 BKB372 1919 1977 - - - - - - - .65 .67 .64 - - - - - - - - - - + 66 BKB421 1922 1980 - - - - - - - .56 .54 .56 - - - - - - - - - - + 67 BKB422 1922 1980 - - - - - - - .40 .37 .35 - - - - - - - - - - + 68 BKB431 1924 1980 - - - - - - - .61 .59 .61 - - - - - - - - - - + 69 BKB432 1924 1980 - - - - - - - .46 .43 .39 - - - - - - - - - - + 70 BKB441 1925 1980 - - - - - - - - .56 .61 - - - - - - - - - - + 71 BKB442 1925 1980 - - - - - - - - .50 .53 - - - - - - - - - - + 72 BKB451 1907 1980 - - - - - - - .68 .72 .74 - - - - - - - - - - + 73 BKB452 1908 1978 - - - - - - - .76 .78 .76 - - - - - - - - - - + 74 BKB461 1908 1978 - - - - - - - .66 .68 .66 - - - - - - - - - - + 75 BKB462 1908 1980 - - - - - - - .58 .56 .55 - - - - - - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 15:50 Fri 16 DEC 1994 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 BKB011 1782 1864 83 3 0 0.712 0.90 1.45 0.274 0.554 0.241 1.96 0.361 -0.025 1 2 BKB011 1870 1980 111 5 0 0.639 1.06 2.04 0.332 0.688 0.184 2.05 0.388 0.070 1 3 BKB021 1788 1841 54 2 0 0.610 0.67 1.03 0.197 0.081 0.360 1.82 0.393 -0.014 1 4 BKB021 1850 1980 131 5 0 0.645 1.49 2.67 0.429 0.407 0.241 2.03 0.407 -0.005 1 5 BKB022 1782 1841 60 2 0 0.714 0.54 0.88 0.167 0.397 0.305 1.85 0.370 0.033 1 6 BKB022 1850 1980 131 5 0 0.565 1.53 3.15 0.478 0.469 0.257 2.03 0.356 -0.013 1 7 BKB031 1749 1980 232 10 0 0.677 1.00 3.19 0.494 0.778 0.240 2.08 0.330 0.006 1 8 BKB032 1730 1932 203 8 0 0.569 0.76 2.24 0.446 0.812 0.264 2.15 0.351 -0.061 2 9 BKB032 1936 1980 45 1 0 0.458 0.72 1.11 0.160 0.401 0.192 2.00 0.469 -0.055 1 10 BKB041 1790 1980 191 8 1 0.611 1.18 4.12 0.741 0.814 0.254 2.02 0.328 -0.019 3 11 BKB042 1833 1966 134 5 1 0.684 1.39 3.37 0.546 0.702 0.234 2.01 0.351 0.016 1 12 BKB051 1818 1980 163 7 0 0.655 1.25 2.72 0.522 0.735 0.229 1.96 0.325 -0.044 2 13 BKB082 1789 1980 192 8 0 0.675 1.02 2.23 0.502 0.887 0.185 2.03 0.342 -0.025 1 14 BKB101 1780 1980 201 8 0 0.727 1.42 2.89 0.396 0.520 0.210 2.05 0.391 -0.034 1 15 BKB102 1786 1980 195 8 0 0.805 1.51 3.43 0.388 0.407 0.219 2.02 0.376 -0.046 1 16 BKB111 1764 1980 217 9 0 0.758 1.03 1.95 0.259 0.587 0.178 1.84 0.264 0.000 1 17 BKB112 1741 1976 236 10 1 0.648 1.15 2.43 0.301 0.522 0.185 2.16 0.334 -0.013 1 18 BKB121 1753 1980 228 9 0 0.750 1.24 2.47 0.366 0.488 0.229 2.01 0.354 -0.042 1 19 BKB122 1781 1980 200 8 0 0.749 1.24 2.24 0.335 0.538 0.205 2.12 0.370 -0.025 1 20 BKB131 1790 1980 191 8 0 0.783 1.02 1.85 0.272 0.483 0.216 2.06 0.412 -0.024 1 21 BKB132 1783 1980 198 8 0 0.762 1.58 3.92 0.541 0.610 0.229 2.15 0.398 -0.002 1 22 BKB141 1772 1980 209 9 0 0.745 0.93 2.27 0.274 0.538 0.214 2.12 0.390 -0.033 1 23 BKB142 1804 1980 177 7 0 0.674 1.02 1.96 0.250 0.497 0.178 1.97 0.295 0.001 1 24 BKB151 1780 1980 201 8 0 0.750 1.16 2.09 0.305 0.551 0.188 2.06 0.363 -0.011 1 25 BKB152 1810 1980 171 7 0 0.720 0.98 2.23 0.268 0.631 0.183 2.09 0.448 -0.032 1 26 BKB161 1861 1980 120 5 0 0.638 1.72 4.27 0.601 0.636 0.234 1.88 0.319 0.019 1 27 BKB162 1828 1980 153 6 0 0.694 1.07 2.88 0.405 0.718 0.213 2.25 0.399 -0.068 1 28 BKB171 1807 1980 174 7 0 0.766 1.76 3.31 0.478 0.689 0.159 2.06 0.325 -0.027 1 29 BKB172 1774 1980 207 9 0 0.663 1.35 2.51 0.417 0.733 0.179 2.09 0.432 0.001 1 30 BKB181 1803 1980 178 7 0 0.634 1.47 3.21 0.605 0.806 0.189 1.99 0.346 -0.060 1 31 BKB182 1774 1980 207 9 0 0.678 1.26 2.89 0.566 0.752 0.233 2.33 0.343 -0.012 2 32 BKB191 1810 1980 171 7 0 0.611 1.37 3.84 0.468 0.651 0.202 2.08 0.340 -0.026 1 33 BKB192 1810 1980 171 7 1 0.678 1.60 3.05 0.549 0.722 0.198 2.04 0.369 -0.030 1 34 BKB201 1850 1980 131 5 0 0.700 1.48 3.13 0.524 0.662 0.212 2.08 0.386 0.041 1 35 BKB202 1850 1979 130 5 0 0.757 1.62 2.92 0.358 0.483 0.180 1.93 0.358 -0.004 1 36 BKB211 1809 1980 172 7 0 0.734 1.81 3.32 0.376 0.350 0.187 2.05 0.396 -0.003 1 37 BKB212 1760 1980 221 9 0 0.647 1.42 3.37 0.595 0.754 0.235 2.08 0.361 0.001 1 38 BKB221 1820 1980 161 7 0 0.803 1.68 3.65 0.492 0.641 0.194 2.12 0.444 -0.026 1 39 BKB222 1786 1980 195 8 0 0.768 1.71 3.45 0.522 0.723 0.185 1.92 0.345 0.036 1 40 BKB231 1777 1980 204 8 0 0.780 1.34 2.33 0.341 0.525 0.195 1.98 0.344 -0.011 1 41 BKB232 1783 1980 198 8 0 0.721 0.98 2.08 0.335 0.649 0.248 2.03 0.380 -0.029 1 42 BKB241 1779 1980 202 8 0 0.777 1.40 2.51 0.394 0.617 0.193 2.11 0.404 -0.016 1 43 BKB242 1836 1980 145 6 0 0.789 1.62 3.23 0.460 0.605 0.186 2.04 0.393 0.022 1 44 BKB251 1794 1980 187 8 0 0.692 0.97 2.67 0.490 0.842 0.212 1.95 0.391 0.015 1 45 BKB252 1794 1980 187 8 0 0.694 1.32 3.41 0.705 0.839 0.217 2.06 0.317 -0.026 1 46 BKB261 1788 1980 193 8 0 0.671 1.41 3.92 0.613 0.737 0.215 2.15 0.360 0.010 1 47 BKB262 1788 1980 193 8 0 0.619 1.09 3.25 0.552 0.829 0.199 1.90 0.255 -0.033 1 48 BKB271 1841 1980 140 6 0 0.670 1.47 2.56 0.357 0.419 0.212 1.97 0.314 -0.004 1 1 PART 7: DESCRIPTIVE STATISTICS: 15:50 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 BKB272 1847 1980 134 6 0 0.644 1.53 2.39 0.323 0.297 0.196 1.97 0.396 0.005 1 50 BKB301 1924 1980 57 3 0 0.497 1.38 2.56 0.359 0.451 0.211 1.97 0.442 -0.097 1 51 BKB302 1924 1980 57 3 0 0.514 1.52 2.61 0.372 0.338 0.212 2.13 0.512 -0.044 1 52 BKB311 1922 1980 59 3 0 0.563 1.00 2.73 0.532 0.741 0.265 2.00 0.413 0.010 2 53 BKB312 1922 1975 54 3 0 0.597 1.01 2.71 0.553 0.757 0.272 1.84 0.346 -0.021 1 54 BKB321 1927 1980 54 2 0 0.653 1.37 3.67 0.711 0.696 0.296 2.13 0.515 0.015 2 55 BKB322 1927 1980 54 2 0 0.646 1.05 2.44 0.547 0.791 0.245 2.07 0.462 -0.016 1 56 BKB331 1923 1980 58 3 0 0.623 1.28 3.41 0.650 0.673 0.277 2.17 0.468 -0.011 2 57 BKB332 1923 1980 58 3 0 0.537 1.55 4.48 0.812 0.715 0.222 1.97 0.413 -0.042 1 58 BKB341 1930 1980 51 2 0 0.609 1.44 2.60 0.488 0.538 0.240 1.98 0.433 -0.114 2 59 BKB342 1927 1980 54 2 0 0.587 1.54 3.45 0.643 0.686 0.245 2.03 0.386 0.007 1 60 BKB351 1909 1980 72 3 0 0.730 1.11 2.35 0.490 0.798 0.211 2.02 0.429 0.006 1 61 BKB352 1909 1980 72 3 0 0.727 1.30 2.52 0.569 0.735 0.257 1.83 0.334 0.010 1 62 BKB361 1898 1977 80 4 0 0.575 1.01 2.83 0.611 0.819 0.228 1.97 0.391 -0.016 1 63 BKB362 1898 1980 83 4 0 0.696 1.21 4.08 0.847 0.845 0.250 1.94 0.386 -0.028 1 64 BKB371 1921 1980 60 3 0 0.707 1.26 2.80 0.517 0.759 0.217 1.83 0.411 -0.025 1 65 BKB372 1919 1977 59 3 0 0.660 1.43 3.37 0.663 0.807 0.212 2.05 0.368 0.003 1 66 BKB421 1922 1980 59 3 0 0.572 1.47 3.25 0.525 0.608 0.215 2.25 0.476 -0.031 1 67 BKB422 1922 1980 59 3 0 0.422 1.48 2.97 0.669 0.788 0.203 1.96 0.396 -0.019 1 68 BKB431 1924 1980 57 3 0 0.626 1.41 3.48 0.560 0.752 0.209 2.04 0.409 -0.018 1 69 BKB432 1924 1980 57 3 0 0.445 1.33 2.95 0.494 0.764 0.169 1.88 0.379 -0.015 1 70 BKB441 1925 1980 56 2 0 0.604 1.57 3.48 0.711 0.748 0.216 1.82 0.388 -0.020 1 71 BKB442 1925 1980 56 2 0 0.567 1.49 2.76 0.587 0.776 0.196 1.95 0.423 0.042 2 72 BKB451 1907 1980 74 3 0 0.679 1.72 3.79 0.849 0.883 0.195 1.98 0.432 -0.052 1 73 BKB452 1908 1978 71 3 0 0.723 1.41 3.47 0.686 0.855 0.215 1.96 0.439 -0.071 1 74 BKB461 1908 1978 71 3 0 0.622 1.32 2.08 0.340 0.553 0.192 1.95 0.379 0.007 1 75 BKB462 1908 1980 73 3 0 0.553 1.12 1.87 0.282 0.516 0.195 1.91 0.356 0.048 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9943 414 4 0.684 1.29 4.48 0.459 0.642 0.213 2.33 0.370 -0.015