Warren Woods, Michigan - MI033 Additional Site Information J.T. Maxwell T.J. Matheus B.M. Strange Reference: Justin T. Maxwell, Grant L. Harley, Trevis J. Matheus, Brandon M. Strange, Kayla Van Aken, Tsun Fung Au, and Joshua C. Bregy. 2020. Sampling density and date along with species selection influence spatial representation of tree-ring reconstructions. Climate of the Past, vol. 16, issue 5, pp. 1901-1916. DOI: 10.5194/cp-16-1901-2020 Notes: Density of tree-ring network influence on drought reconstruction Keywords: Eastern Deciduous Forest, Climate response, Drought Funding: USDA Agriculture and Food Research Initiative 2017-67013-26191 COFECHA output: Chronology file name : MI033.CRN Measurement file name : MI033.RWL Date checked : 28OCT21 Checked by : B. Bauer Beginning year : 1771 Ending year : 2012 Principal investigators: J.T. Maxwell T.J. Matheus B.M. Strange Site name : Warren Woods Site location : Michigan Species information : FAGR AMERICAN BEECH Latitude : 4149 Longitude : -08637 Elevation : 191M Series intercorrelation: 0.561 Avg mean sensitivity : 0.263 Avg standard deviation : 0.695 Avg autocorrelation : 0.738 Number dated series : 16 Segment length tested : 50 Number problem segments: 8 Pct problem segments : 7.08 PART 5: CORRELATION OF SERIES BY SEGMENTS: Warren Woods 14:05 Thu 28 Oct 2021 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 WWB01A 1771 2012 .70 .70 .66 .75 .72 .55 .50 .54 .66 .72 2 WWB01B 1771 2012 .79 .78 .67 .64 .66 .58 .64 .70 .66 .69 3 WWB02A 1873 2010 .40 .43 .41 .51 .67 .67 4 WWB02B 1868 2010 .38 .40 .36 .51 .68 .67 5 WWB03A 1841 1975 .37 .43 .62 .69 .39 .39 6 WWB03B 1841 1975 .30B .29B .45 .69 .33 .33 7 WWB04A 1822 2009 .42 .42 .60 .77 .68 .59 .39 .25B 8 WWB04B 1822 2012 .43 .44 .60 .77 .74 .55 .43 .21B 9 WWB05A 1808 2009 .17B .33A .62 .66 .63 .67 .67 .56 10 WWB05B 1809 2010 .19B .23B .66 .77 .71 .67 .75 .69 11 WWB06A 1892 2012 .80 .71 .50 .51 .58 12 WWB06B 1890 2012 .74 .73 .55 .57 .60 13 WWB07A 1802 2000 .56 .62 .72 .70 .67 .67 .71 .71 14 WWB07B 1802 2000 .44 .60 .71 .71 .70 .67 .68 .67 15 WWB08A 1857 1994 .58 .63 .51 .54 .55 16 WWB08B 1857 2006 .64 .60 .49 .50 .53 .52 Av segment correlation .74 .74 .44 .47 .57 .64 .62 .55 .58 .58 PART 7: DESCRIPTIVE STATISTICS: Warren Woods 14:05 Thu 28 Oct 2021 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 WWB01A 1771 2012 242 10 0 .657 .99 2.70 .485 .670 .332 2.55 .357 -.022 1 2 WWB01B 1771 2012 242 10 0 .674 1.03 2.69 .509 .671 .333 2.54 .348 -.024 1 3 WWB02A 1873 2010 138 6 0 .495 1.86 5.74 1.001 .841 .251 2.61 .407 -.006 1 4 WWB02B 1868 2010 143 6 0 .474 1.90 7.59 .976 .688 .250 2.59 .373 .005 1 5 WWB03A 1841 1975 135 6 0 .457 2.18 5.73 .862 .758 .233 2.62 .400 .008 2 6 WWB03B 1841 1975 135 6 2 .388 2.17 5.73 .856 .742 .234 2.74 .516 -.032 2 7 WWB04A 1822 2009 188 8 1 .499 .95 2.75 .613 .816 .331 2.66 .406 -.004 1 8 WWB04B 1822 2012 191 8 1 .509 .93 2.65 .610 .831 .312 2.67 .379 .018 1 9 WWB05A 1808 2009 202 8 2 .483 1.35 3.06 .610 .762 .240 2.49 .383 -.049 1 10 WWB05B 1809 2010 202 8 2 .552 1.35 3.10 .606 .766 .250 2.66 .377 -.030 1 11 WWB06A 1892 2012 121 5 0 .664 1.71 4.02 .692 .665 .257 2.62 .358 -.012 2 12 WWB06B 1890 2012 123 5 0 .653 1.71 3.84 .719 .660 .254 2.58 .427 -.031 2 13 WWB07A 1802 2000 199 8 0 .655 1.51 6.59 .632 .645 .229 2.79 .354 .041 1 14 WWB07B 1802 2000 199 8 0 .614 1.51 3.64 .550 .740 .215 2.55 .365 .039 2 15 WWB08A 1857 1994 138 5 0 .543 2.31 5.50 .934 .789 .197 2.39 .384 .024 1 16 WWB08B 1857 2006 150 6 0 .538 2.24 5.46 .972 .803 .201 2.53 .412 -.024 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2748 113 8 .561 1.52 7.59 .695 .738 .263 2.79 .386 -.006