Chronology file name : IA032.CRN Measurement file name : IA032.RWL Date checked : 19MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1711 Ending year : 1980 Principal investigators: DANIEL N. DUVICK 108 1711 1 MAY19 Site name : MERRITT FOREST STATE PRESERVE Site location : IOWA Species information : WHITE OAK Latitude : .04242 Longitude : 09108 Elevation : 0330M Series intercorrelation: 0.674 Avg mean sensitivity : 0.217 Avg standard deviation : 0.684 Avg autocorrelation : 0.727 Number dated series : 33 Segment length tested : 50 Number problem segments: 10 Pct problem segments : 4.18 PART 5: CORRELATION OF SERIES BY SEGMENTS: ia032.rwl 17:12 Sat 19 Mar 2005 Page 5 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 MER011 1744 1980 .36 .31A .50 .48 .36B .55 .76 .68 .57 .64 2 MER012 1715 1980 .59 .59 .47 .48 .34 .46 .72 .66 .58 .58 .57 3 MER021 1767 1980 .17B .17B .30A .54 .70 .79 .83 .80 .78 4 MER022 1770 1980 .26B .24B .51 .74 .73 .80 .77 .74 .77 5 MER031 1828 1980 .56 .69 .74 .74 .73 .72 6 MER032 1816 1980 .62 .65 .70 .73 .83 .82 .83 7 MER041 1855 1980 .61 .68 .70 .74 .76 8 MER042 1856 1980 .68 .86 .83 .82 .80 9 MER051 1840 1980 .30B .37 .54 .51 .54 .55 10 MER052 1837 1980 .45 .50 .53 .61 .76 .78 11 MER061 1758 1980 .69 .65 .64 .68 .80 .84 .83 .86 .84 12 MER062 1758 1980 .45 .45 .70 .66 .77 .81 .74 .72 .73 13 MER071 1765 1980 .71 .76 .80 .70 .76 .83 .83 .72 .72 14 MER072 1711 1980 .47 .48 .71 .78 .75 .54 .72 .80 .76 .77 .80 15 MER081 1836 1980 .33 .80 .79 .75 .67 .71 16 MER082 1820 1980 .41 .44 .76 .77 .78 .77 .78 17 MER091 1806 1980 .64 .60 .79 .87 .69 .59 .56 18 MER092 1873 1980 .82 .81 .70 .66 .65 19 MER101 1756 1940 .74 .82 .90 .78 .81 .77 .70 20 MER102 1756 1950 .79 .85 .85 .65 .79 .82 .72 .71 21 MER111 1783 1980 .81 .78 .68 .82 .84 .85 .85 .83 22 MER112 1778 1980 .73 .77 .75 .79 .80 .77 .67 .68 23 MER121 1834 1961 .62 .74 .79 .74 .60 24 MER122 1836 1980 .77 .78 .82 .84 .84 .88 25 MER131 1757 1980 .71 .74 .74 .74 .80 .79 .78 .78 .81 26 MER132 1731 1980 .42 .46 .74 .83 .80 .90 .86 .78 .84 .86 27 MER141 1849 1980 .76 .76 .81 .77 .73 .74 28 MER142 1843 1980 .57 .75 .78 .76 .77 .78 29 MER151 1810 1980 .39 .41 .62 .67 .62 .55 .57 30 MER152 1810 1980 .29B .28A .61 .69 .61 .55 .57 31 MER161 1867 1980 .56 .68 .70 .73 .75 32 MER162 1870 1980 .60 .65 .77 .71 .67 33 MER171 1851 1980 .74 .76 .74 .73 .70 Av segment correlation .53 .46 .54 .62 .62 .59 .71 .76 .74 .72 .73 PART 7: DESCRIPTIVE STATISTICS: ia032.rwl 17:12 Sat 19 Mar 2005 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 MER011 1744 1980 237 10 2 .527 1.40 3.20 .487 .672 .207 2.50 .322 -.003 1 2 MER012 1715 1980 266 11 0 .549 1.20 2.43 .405 .543 .241 2.70 .435 .002 1 3 MER021 1767 1980 214 9 3 .578 1.52 5.76 .873 .888 .189 2.75 .496 -.028 1 4 MER022 1770 1980 211 9 2 .618 1.50 5.88 .936 .899 .196 2.63 .392 -.050 1 5 MER031 1828 1980 153 6 0 .679 2.13 5.64 .815 .752 .197 2.85 .413 -.010 1 6 MER032 1816 1980 165 7 0 .743 2.09 6.64 .911 .769 .222 2.82 .552 .002 1 7 MER041 1855 1980 126 5 0 .688 2.75 5.80 .969 .785 .195 2.48 .342 -.023 1 8 MER042 1856 1980 125 5 0 .763 2.35 4.84 .763 .681 .213 2.59 .439 -.038 2 9 MER051 1840 1980 141 6 1 .438 2.10 4.71 .996 .868 .193 2.78 .504 -.035 1 10 MER052 1837 1980 144 6 0 .593 1.90 4.15 .836 .849 .183 2.65 .464 -.023 1 11 MER061 1758 1980 223 9 0 .761 1.49 3.41 .538 .691 .226 2.57 .439 -.039 1 12 MER062 1758 1980 223 9 0 .676 1.38 3.08 .495 .693 .208 2.56 .330 -.013 1 13 MER071 1765 1980 216 9 0 .738 1.49 3.49 .561 .598 .254 2.50 .409 .004 2 14 MER072 1711 1980 270 11 0 .680 1.22 3.13 .507 .685 .249 2.68 .406 .000 1 15 MER081 1836 1980 145 6 0 .584 1.56 4.00 .876 .878 .215 2.50 .318 .000 1 16 MER082 1820 1980 161 7 0 .688 1.82 4.72 .955 .856 .202 2.49 .382 -.017 1 17 MER091 1806 1980 175 7 0 .668 1.45 3.69 .606 .779 .218 2.61 .396 -.059 1 18 MER092 1873 1980 108 5 0 .704 1.37 3.32 .651 .772 .208 2.60 .364 .002 1 19 MER101 1756 1940 185 7 0 .755 1.44 3.36 .560 .720 .230 2.68 .445 .015 1 20 MER102 1756 1950 195 8 0 .772 1.42 3.81 .579 .768 .206 2.59 .412 -.023 1 21 MER111 1783 1980 198 8 0 .795 1.70 3.04 .484 .482 .238 2.76 .428 -.036 1 22 MER112 1778 1980 203 8 0 .724 1.65 3.85 .503 .512 .228 2.72 .448 .004 1 23 MER121 1834 1961 128 5 0 .699 2.02 5.59 .942 .818 .194 2.69 .504 -.013 1 24 MER122 1836 1980 145 6 0 .813 1.39 2.87 .422 .527 .236 2.65 .451 -.043 1 25 MER131 1757 1980 224 9 0 .757 1.11 2.53 .528 .851 .208 2.57 .424 -.048 1 26 MER132 1731 1980 250 10 0 .754 1.28 2.97 .607 .795 .249 2.73 .508 -.046 1 27 MER141 1849 1980 132 6 0 .745 2.55 5.93 .894 .626 .245 2.64 .410 -.013 1 28 MER142 1843 1980 138 6 0 .730 2.44 4.40 .690 .607 .218 2.59 .511 -.010 1 29 MER151 1810 1980 171 7 0 .556 1.09 2.69 .406 .707 .200 2.50 .295 -.018 1 30 MER152 1810 1980 171 7 2 .511 1.69 5.24 .649 .720 .206 2.67 .511 -.036 1 31 MER161 1867 1980 114 5 0 .664 3.02 6.92 1.179 .807 .191 2.51 .387 -.010 2 32 MER162 1870 1980 111 5 0 .639 2.59 5.67 .951 .756 .202 2.67 .450 .007 2 33 MER171 1851 1980 130 5 0 .688 2.07 6.70 1.221 .860 .211 2.75 .482 -.030 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5798 239 10 .674 1.67 6.92 .684 .727 .217 2.85 .425 -.019