Good Harbor Plains, Michigan Tsuga - MI014 Additional Site Information Thomas C. Wyse, P. Charles Goebel Purpose of Collection: Forest disturbance history and recruitment patterns. Cores are stored at: Forest Ecosystem Restoration & Ecology School of Natural Resources OARDC The Ohio State University 1680 Madison Avenue Wooster, OH 44691-4096 Description: The site is a sandy lake plain adjacent to Lake Michigan in northwest lower Michigan. These cores were used with others to investigate forest disturbance history and recruitment patterns. All ring width measurements were done with WinDENDRO. Cores were visually cross dated, and the cross dating was verified with COFECHA. COFECHA File_name Date Time_span Series Spline Seg Lag N_Seg Probs Prob% XCorr MnSens C/Var MnMsmt MnStDv MnACorr mi014.rwl 25May06 1898 2002 5 32 50 25 15 4 26.67 .440 .275 51.27 .973 .526 .701 Run GTSCA Title: Good Harbor Plains TSCA PART 5: CORRELATION OF SERIES BY SEGMENTS: Good Harbor Plains TSCA 13:38 Thu 25 May 2006 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 95-1 1949 2002 .30A .29A .29A 2 75-1 1898 2002 .57 .57 .55 .50 3 93-1 1947 2002 .49 .47 .45 4 75-2 1915 2002 .52 .56 .50 .46 5 93-4 1967 2002 .31A Av segment correlation .54 .48 .42 .43 PART 7: DESCRIPTIVE STATISTICS: Good Harbor Plains TSCA 13:38 Thu 25 May 2006 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 95-1 1949 2002 54 3 3 .311 1.55 4.13 .832 .815 .234 2.76 .511 .004 1 2 75-1 1898 2002 105 4 0 .527 1.26 3.63 .801 .869 .267 2.75 .494 .027 1 3 93-1 1947 2002 56 3 0 .460 .67 1.36 .245 .412 .275 2.69 .437 .062 1 4 75-2 1915 2002 88 4 0 .475 .58 1.06 .236 .551 .298 2.74 .557 .026 1 5 93-4 1967 2002 36 1 1 .305 .69 1.59 .414 .858 .308 2.59 .581 .046 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 339 15 4 .440 .97 4.13 .526 .701 .275 2.76 .513 .031