Gee Creek, Arkansas - AR074 Additional Site Information Michael C. Stambaugh and Richard P. Guyette Purpose of Collection: Event - fire Cores are available at: Missouri Tree-Ring Laboratory, University of Missouri-Columbia COFECHA output: Chronology file name : AR074.CRN Measurement file name : AR074.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1600 Ending year : 2003 Principal investigators: Michael C. Stambaugh Richard P. Guyette Site name : Gee Creek Site location : Arkansas Species information : PIEC SHORTLEAF PINE Latitude : +3541 Longitude : -09318 Elevation : 500M Series intercorrelation: 0.534 Avg mean sensitivity : 0.325 Avg standard deviation : 0.912 Avg autocorrelation : 0.677 Number dated series : 26 Segment length tested : 50 Number problem segments: 7 Pct problem segments : 4.55 PART 5: CORRELATION OF SERIES BY SEGMENTS: ar074.rwl 14:12 Thu 10 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 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 GEE019 1861 2003 .66 .43 .36 2 gee24 1824 1928 .53 .63 .66 .54 .57 3 gee10b 1807 1878 .55 .66 .68 4 GEE013 1788 1875 .25A .28B .39 .41 5 gee25 1773 1932 .49 .47 .31A .45 .64 .51 .49 6 gee14d 1756 1877 .63 .59 .46 .63 .64 7 GEE031b 1735 1871 .36 .34 .37 .55 .40 8 gee31b 1734 1858 .38 .49 .59 .38 .46 9 gee39a 1726 1843 .59 .68 .62 .43 10 gee16b 1716 1852 .69 .74 .77 .58 .51 .51 11 GEE07b 1714 1908 .46 .58 .54 .49 .45 .51 .62 .73 12 GEE16c 1713 1879 .55 .61 .68 .71 .59 .45 .44 13 gee09 1716 1910 .20B .47 .70 .52 .44 .52 .62 .66 14 gee20 1712 1827 .67 .77 .71 .63 .61 15 gee100 1712 1877 .37 .47 .60 .37B .41 .72 .71 16 gee38 1711 1876 .45 .45 .38 .41 .32A .46 .49 17 gee17b 1705 1897 .44 .38 .57 .69 .66 .71 .72 18 gee21 1694 1807 .54 .64 .59 .58 .71 19 gee007 1698 1907 .43 .41 .72 .69 .54 .40 .56 .66 .54 20 gee35 1679 1834 .64 .53 .65 .69 .68 .59 21 gee22 1660 1809 .51 .43B .59 .65 .70 .69 22 gee34 1644 1798 .68 .66 .61 .40 .50 .48 23 gee22c 1611 1814 .36 .41 .44 .45 .59 .69 .72 .59 24 gee18e 1604 1771 .57 .69 .62 .53 .59 .70 25 gee36 1600 1755 .51 .67 .66 .65 .51 .54 26 gee18c 1602 1750 .42 .50 .59 .50 .54 .54 Av segment correlation .47 .59 .58 .53 .51 .57 .60 .55 .47 .54 .61 .57 .47 PART 7: DESCRIPTIVE STATISTICS: ar074.rwl 14:12 Thu 10 Mar 2005 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 GEE019 1861 2003 143 3 0 .436 2.12 5.53 1.188 .646 .387 2.66 .494 -.056 4 2 gee24 1824 1928 105 5 0 .599 1.70 4.80 .961 .811 .312 2.64 .532 .012 1 3 gee10b 1807 1878 72 3 0 .621 2.04 3.80 .819 .511 .329 2.77 .601 -.043 1 4 GEE013 1788 1875 88 4 2 .341 2.54 6.33 1.118 .480 .327 2.73 .457 .025 1 5 gee25 1773 1932 160 7 1 .483 1.90 5.13 .995 .704 .343 2.65 .424 -.008 1 6 gee14d 1756 1877 122 5 0 .600 2.99 6.74 .991 .451 .274 2.77 .486 .070 1 7 GEE031b 1735 1871 137 5 0 .350 .72 1.98 .448 .780 .309 2.77 .537 -.056 1 8 gee31b 1734 1858 125 5 0 .431 .69 1.70 .349 .650 .314 2.72 .402 -.071 1 9 gee39a 1726 1843 118 4 0 .552 1.89 3.58 .742 .653 .281 2.73 .533 -.056 3 10 gee16b 1716 1852 137 6 0 .639 2.02 5.76 1.115 .722 .307 2.74 .552 .039 1 11 GEE07b 1714 1908 195 8 0 .542 1.20 5.92 1.058 .810 .373 2.61 .335 -.012 2 12 GEE16c 1713 1879 167 7 0 .565 2.14 6.48 1.179 .726 .292 2.66 .466 .043 1 13 gee09 1716 1910 195 8 1 .478 1.54 4.50 .904 .804 .260 2.58 .327 .012 1 14 gee20 1712 1827 116 5 0 .667 2.19 6.60 1.149 .651 .382 2.62 .468 .013 3 15 gee100 1712 1877 166 7 1 .518 .89 2.30 .506 .671 .404 2.61 .406 .060 1 16 gee38 1711 1876 166 7 1 .426 1.39 4.92 .815 .606 .370 2.67 .325 -.025 1 17 gee17b 1705 1897 193 7 0 .602 1.51 4.16 .779 .704 .309 2.73 .449 -.034 1 18 gee21 1694 1807 114 5 0 .569 2.48 6.78 1.591 .657 .362 2.56 .312 -.070 2 19 gee007 1698 1907 210 9 0 .509 1.13 6.01 .999 .826 .369 2.65 .354 .000 2 20 gee35 1679 1834 156 6 0 .642 2.24 7.57 1.217 .587 .363 2.74 .391 .007 1 21 gee22 1660 1809 150 6 1 .589 1.57 4.79 .797 .721 .287 2.82 .576 -.005 2 22 gee34 1644 1798 155 6 0 .533 2.25 5.05 1.057 .640 .308 2.71 .417 -.034 1 23 gee22c 1611 1814 204 8 0 .487 1.40 4.03 .781 .778 .307 2.68 .466 -.053 2 24 gee18e 1604 1771 168 6 0 .606 1.74 4.71 .669 .535 .275 2.73 .482 -.032 1 25 gee36 1600 1755 156 6 0 .567 1.81 4.92 1.033 .790 .299 2.58 .409 -.065 2 26 gee18c 1602 1750 149 6 0 .518 1.70 4.47 .631 .331 .311 2.79 .498 -.066 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3867 154 7 .534 1.70 7.57 .912 .677 .325 2.82 .441 -.015