Nye Homestead, Iowa - ia034 Additional Site Information Michael Stambaugh, Richard Guyette, Joseph Marschall Purpose of Collection: Event - fire Cores Stored at: Missouri Tree-Ring Laboratory, Department of Forestry, 21 ABNR Building, University of Missouri at Columbia, Columbia, MO 65211 USA. Tel: (573) 884-9262 Reference: Guyette, R.P., M.C. Stambaugh, and J.M. Marschall. 2010. Developing and using fire scar histories in the southern and eastern United States. Final Report to the Joint Fire Science Program. 46 pp. COFECHA output: Chronology file name : IA034.CRN Measurement file name : IA034.RWL Date checked : 05SEP13 Checked by : B. Bauer Beginning year : 1702 Ending year : 1857 Principal investigators: Michael Stambaugh Richard Guyette Joseph Marschall Site name : Nye Homestead Site location : Iowa Species information : QUSP OAK Latitude : 4126 Longitude : -09055 Elevation : 198M Series intercorrelation: 0.518 Avg mean sensitivity : 0.210 Avg standard deviation : 0.392 Avg autocorrelation : 0.654 Number dated series : 16 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 11.84 PART 5: CORRELATION OF SERIES BY SEGMENTS: Nye Homestead 12:17 Thu 05 Sep 2013 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 1749 1774 1799 1824 1849 1874 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PGC001 1711 1845 .41 .38 .38 .59 .55 2 NYE005 1741 1854 .29A .35 .63 .64 .56 3 NYE07b 1711 1857 .47 .45 .66 .55 .52 .51 4 NYE02a 1751 1847 .75 .76 .67 5 NYE02b 1751 1847 .74 .63 .46 6 NYE11b 1715 1835 .14B .37 .68 .80 .78 7 NYE06a 1730 1857 .62 .62 .73 .70 .61 8 NYE06b 1730 1857 .67 .72 .79 .67 .60 9 NYE04b 1705 1857 .41 .41 .54 .49 .60 .66 10 PCG01B 1755 1845 .27A .24B .27A 11 NYE001 1772 1856 .66 .64 .60 .64 12 NYE003 1740 1854 .15B .29A .67 .32A .36 13 NYE08a 1705 1843 .56 .64 .68 .76 .51 14 NYE08b 1706 1806 .75 .71 .63 .58 15 NYE10a 1716 1853 .30A .48 .65 .65 .48 .38 16 NYE04a 1702 1857 .49 .48 .53 .49 .53 .55 Av segment correlation .44 .47 .57 .62 .55 .54 PART 7: DESCRIPTIVE STATISTICS: Nye Homestead 12:17 Thu 05 Sep 2013 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 PGC001 1711 1845 135 5 0 .470 1.12 3.06 .397 .706 .157 2.56 .313 -.063 1 2 NYE005 1741 1854 114 5 1 .437 1.12 2.59 .469 .783 .218 2.64 .406 -.065 1 3 NYE07b 1711 1857 147 6 0 .484 1.21 3.00 .385 .670 .179 2.73 .449 -.040 1 4 NYE02a 1751 1847 97 3 0 .692 1.10 1.97 .304 .402 .235 2.53 .488 -.038 1 5 NYE02b 1751 1847 97 3 0 .564 1.22 1.98 .313 .394 .226 2.55 .467 -.015 1 6 NYE11b 1715 1835 121 5 1 .530 1.07 2.86 .567 .728 .280 2.71 .463 -.034 1 7 NYE06a 1730 1857 128 5 0 .628 1.10 2.94 .340 .566 .197 2.77 .521 .003 1 8 NYE06b 1730 1857 128 5 0 .671 1.14 3.01 .345 .574 .181 2.60 .460 -.046 1 9 NYE04b 1705 1857 153 6 0 .538 .84 2.34 .462 .823 .248 2.67 .462 .004 1 10 PCG01B 1755 1845 91 3 3 .296 1.20 1.90 .235 .454 .151 2.64 .559 .134 2 11 NYE001 1772 1856 85 4 0 .617 1.23 2.91 .492 .766 .206 2.75 .418 -.021 1 12 NYE003 1740 1854 115 5 3 .249 .89 2.02 .327 .763 .183 2.41 .283 -.047 1 13 NYE08a 1705 1843 139 5 0 .564 1.25 2.81 .436 .691 .203 2.74 .463 .041 1 14 NYE08b 1706 1806 101 4 0 .661 1.21 2.30 .368 .561 .210 2.67 .496 .043 1 15 NYE10a 1716 1853 138 6 1 .413 .93 2.05 .328 .639 .215 2.65 .432 -.043 1 16 NYE04a 1702 1857 156 6 0 .502 .87 2.32 .441 .742 .257 2.82 .510 -.031 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1945 76 9 .518 1.08 3.06 .392 .654 .210 2.82 .448 -.016