Johnson Nature Preserve, Ohio - OH015 Additional Site Information Justin T. Maxwell Trevis J. Matheus 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 : OH015.CRN Measurement file name : OH015.RWL Date checked : 27OCT21 Checked by : B. Bauer Beginning year : 1790 Ending year : 2016 Principal investigators: Justin T. Maxwell Trevis J. Matheus Site name : Johnson Nature Preserve Site location : Ohio Species information : QURU RED OAK Latitude : 4053 Longitude : -08145 Elevation : 335M Series intercorrelation: 0.552 Avg mean sensitivity : 0.186 Avg standard deviation : 0.808 Avg autocorrelation : 0.780 Number dated series : 19 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 3.70 PART 5: CORRELATION OF SERIES BY SEGMENTS: Johnson Nature Preserve 15:30 Wed 27 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 1800 1825 1850 1875 1900 1925 1950 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 AJR01A 1931 2016 .63 .65 .69 2 AJR01B 1872 2016 .49 .48 .57 .67 .72 .62 3 AJR02A 1876 2016 .51 .52 .57 .51 .41 4 AJR02B 1900 2016 .53 .66 .69 .58 5 AJR03A 1897 2016 .33 .30A .60 .61 .60 6 AJR03B 1895 2016 .48 .55 .66 .59 .57 7 AJR04A 1834 2016 .74 .81 .70 .60 .66 .64 .57 8 AJR04B 1814 2016 .23B .41 .53 .71 .57 .47 .56 .43 9 AJR05A 1903 2016 .54 .47 .49 .48 10 AJR05B 1872 2016 .58 .53 .48 .38 .53 .61 11 AJR06A 1881 2016 .77 .63 .69 .79 .73 12 AJR06B 1860 2016 .67 .67 .46 .52 .60 .58 13 AJR07A 1856 2016 .62 .70 .59 .54 .46 .40 14 AJR07B 1919 2016 .64 .60 .66 .48 15 AJR08A 1815 2016 .35 .45 .69 .60 .67 .60 .49 .46 16 AJR08B 1841 2016 .70 .70 .66 .66 .68 .57 .53 17 AJR09A 1869 2016 .68 .77 .73 .74 .61 .56 18 AJR10A 1875 2016 .56 .62 .53 .39 .33A 19 AJR10B 1790 2016 .32A .40 .58 .73 .70 .53 .47 .60 Av segment correlation .30 .54 .64 .61 .58 .59 .58 .54 PART 7: DESCRIPTIVE STATISTICS: Johnson Nature Preserve 15:30 Wed 27 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 AJR01A 1931 2016 86 3 0 .637 2.22 3.96 .641 .700 .172 2.71 .557 .018 1 2 AJR01B 1872 2016 145 6 0 .578 2.40 4.85 .892 .800 .167 2.86 .478 .066 1 3 AJR02A 1876 2016 141 5 0 .468 1.54 3.38 .635 .844 .167 2.87 .549 -.033 1 4 AJR02B 1900 2016 117 4 0 .589 3.13 5.74 1.155 .754 .215 2.72 .543 .013 2 5 AJR03A 1897 2016 120 5 1 .491 2.40 5.62 1.155 .820 .189 2.76 .549 .016 3 6 AJR03B 1895 2016 122 5 0 .535 2.11 4.85 .962 .829 .180 2.57 .435 -.023 2 7 AJR04A 1834 2016 183 7 0 .664 1.88 4.12 .885 .847 .221 2.88 .520 .021 1 8 AJR04B 1814 2016 203 8 1 .394 1.66 4.14 .936 .856 .240 2.47 .280 -.032 2 9 AJR05A 1903 2016 114 4 0 .513 2.66 4.46 .688 .712 .151 2.68 .434 -.006 2 10 AJR05B 1872 2016 145 6 0 .520 2.53 4.11 .588 .601 .166 2.91 .572 .002 1 11 AJR06A 1881 2016 136 5 0 .732 3.06 5.50 .856 .709 .161 2.65 .449 -.007 1 12 AJR06B 1860 2016 157 6 0 .557 2.14 4.26 .738 .802 .162 2.74 .509 -.013 1 13 AJR07A 1856 2016 161 6 0 .552 2.34 3.59 .610 .781 .136 2.84 .513 .026 2 14 AJR07B 1919 2016 98 4 0 .549 3.82 6.53 .943 .812 .118 2.83 .564 .059 2 15 AJR08A 1815 2016 202 8 0 .507 1.78 3.94 .913 .848 .217 2.45 .311 .013 2 16 AJR08B 1841 2016 176 7 0 .632 2.03 4.21 .692 .721 .192 2.90 .562 .008 2 17 AJR09A 1869 2016 148 6 0 .656 2.10 4.42 .860 .809 .179 2.62 .418 -.001 1 18 AJR10A 1875 2016 142 5 1 .460 1.53 2.93 .483 .712 .183 2.77 .507 -.034 2 19 AJR10B 1790 2016 227 8 1 .528 1.70 4.13 .775 .772 .228 2.69 .397 -.012 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2823 108 4 .552 2.18 6.53 .808 .780 .186 2.91 .470 .003