Driftless Oaks Pleasant Valley Conservancy, Wisconsin - WI046 Additional Site Information Evan Larson, Sara Allen, Chris Underwood Reference: Evan R. Larson, Sara A. Allen, Chris A. Underwood. 2020. The Driftless Oaks: A new network of tree-ring chronologies to improve regional perspectives of drought in the Upper Midwest, USA. Progress in Physical Geography, Vol. 45, Issue 3, pp. 375-406, June 2021. doi: 10.1177/0309133320960670 Keywords: Drought, Driftless Area, North American Drought Atlas, Dendrochronology, crop yield, Iowa, Wisconsin Funding Sources: University of Wisconsin Water Resources Institute, University of Wisconsin - Platteville Pioneer Academic Center for Community Engangement WR13R003 COFECHA output: Chronology file name : WI046.CRN Measurement file name : WI046.RWL Date checked : 11AUG21 Checked by : B. Bauer Beginning year : 1735 Ending year : 2013 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Pleasant Valley Conservancy Site location : Wisconsin Species information : QUMA BURR OAK Latitude : 4306 Longitude : -08949 Elevation : 289M Series intercorrelation: 0.539 Avg mean sensitivity : 0.179 Avg standard deviation : 0.543 Avg autocorrelation : 0.730 Number dated series : 25 Segment length tested : 50 Number problem segments: 11 Pct problem segments : 6.01 PART 5: CORRELATION OF SERIES BY SEGMENTS: Pleasant Valley Conservancy 10:24 Wed 11 Aug 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PVC001A 1763 2013 .39 .49B .20B .43 .76 .49 .44 .47 .17B .27A 2 PVC001B 1747 2013 .56 .60 .62 .57 .59 .65 .64 .57 .57 .42 .35 3 PVC002B 1801 2013 .48 .56 .62 .41 .48 .69 .71 .53 4 PVC003A 1852 2013 .55 .57 .60 .65 .78 .66 5 PVC003B 1844 2013 .47 .54 .68 .79 .80 .81 .74 6 PVC004A 1868 2013 .61 .53 .59 .48 .45 .61 7 PVC004B 1868 2013 .61 .61 .68 .71 .69 .75 8 PVC005A 1881 2013 .65 .71 .53 .22A .31A 9 PVC005B 1863 2001 .52 .69 .66 .61 .74 .73 10 PVC006A 1789 2013 .39 .52 .48 .72 .74 .55 .52 .62 .65 11 PVC006B 1822 2013 .74 .74 .79 .65 .50 .40 .33A .41 12 PVC007A 1862 2013 .62 .65 .66 .60 .68 .68 13 PVC007B 1830 2013 .55 .57 .59 .71 .68 .67 .63 14 PVC008A 1791 2013 .64 .58 .51 .51 .49 .47 .47 .64 .49 15 PVC008B 1735 2013 .44 .48 .51 .55 .61 .64 .49 .52 .55 .41 .43 16 PVC010A 1818 2013 .48 .52 .70 .66 .57 .56 .69 .68 17 PVC010B 1775 2013 .39 .51 .64 .60 .51 .66 .51 .37 .44 18 PVC011A 1808 2013 .55 .46 .60 .62 .52 .57 .59 .66 19 PVC011B 1852 2013 .50 .44 .52 .63 .55 .57 20 PVC012A 1797 2013 .30B .27B .47 .64 .51 .56 .59 .42 .38 21 PVC012B 1839 2013 .30A .40 .43 .57 .32A .34 .39 22 PVC013A 1888 2013 .57 .57 .49 .37 .44 23 PVC013B 1879 2013 .48 .50 .46 .55 .59 24 PVC015A 1872 2013 .51 .50 .39 .36 .59 .71 25 PVC015B 1891 2013 .69 .47 .39 .50 .49 Av segment correlation .50 .49 .48 .49 .52 .60 .57 .57 .54 .53 .54 PART 7: DESCRIPTIVE STATISTICS: Pleasant Valley Conservancy 10:24 Wed 11 Aug 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 PVC001A 1763 2013 251 10 4 .393 1.01 4.72 .508 .856 .144 2.69 .358 -.020 1 2 PVC001B 1747 2013 267 11 0 .547 1.13 2.39 .374 .795 .161 2.62 .355 -.014 1 3 PVC002B 1801 2013 213 8 0 .511 1.01 5.37 .509 .352 .231 2.95 .381 .017 1 4 PVC003A 1852 2013 162 6 0 .608 1.39 2.89 .386 .630 .179 2.63 .444 -.040 1 5 PVC003B 1844 2013 170 7 0 .685 1.35 2.61 .333 .444 .186 2.73 .462 -.042 1 6 PVC004A 1868 2013 146 6 0 .534 1.30 3.53 .566 .671 .199 2.79 .433 -.008 1 7 PVC004B 1868 2013 146 6 0 .661 1.79 4.75 .736 .798 .190 2.76 .431 .021 1 8 PVC005A 1881 2013 133 5 2 .508 1.52 4.60 .727 .849 .169 2.84 .511 -.047 1 9 PVC005B 1863 2001 139 6 0 .621 1.67 4.63 .701 .765 .201 2.75 .494 -.011 1 10 PVC006A 1789 2013 225 9 0 .576 .98 2.71 .351 .709 .178 2.74 .385 -.016 2 11 PVC006B 1822 2013 192 8 1 .553 .90 2.82 .295 .629 .174 2.82 .396 -.027 1 12 PVC007A 1862 2013 152 6 0 .644 1.60 3.19 .494 .580 .212 2.67 .441 .000 1 13 PVC007B 1830 2013 184 7 0 .626 1.76 3.38 .549 .538 .219 2.74 .451 .065 1 14 PVC008A 1791 2013 223 9 0 .511 1.04 2.01 .280 .719 .150 2.56 .395 .018 1 15 PVC008B 1735 2013 279 11 0 .486 1.05 2.51 .380 .801 .173 2.61 .362 .011 1 16 PVC010A 1818 2013 196 8 0 .588 1.52 2.95 .533 .794 .171 2.80 .324 -.035 1 17 PVC010B 1775 2013 239 9 0 .477 1.14 2.63 .520 .865 .186 2.48 .308 -.077 1 18 PVC011A 1808 2013 206 8 0 .566 1.45 3.57 .544 .860 .149 2.90 .493 -.016 1 19 PVC011B 1852 2013 162 6 0 .538 1.68 5.38 .664 .855 .142 2.62 .417 -.065 1 20 PVC012A 1797 2013 217 9 2 .464 .99 2.03 .265 .736 .147 2.72 .387 .003 1 21 PVC012B 1839 2013 175 7 2 .432 1.33 4.04 .632 .860 .162 2.56 .469 -.029 1 22 PVC013A 1888 2013 126 5 0 .513 2.52 5.53 1.156 .799 .181 2.81 .461 -.005 1 23 PVC013B 1879 2013 135 5 0 .512 2.14 5.23 1.013 .804 .171 2.96 .412 .077 1 24 PVC015A 1872 2013 142 6 0 .525 2.22 4.43 .817 .690 .229 2.66 .434 .022 1 25 PVC015B 1891 2013 123 5 0 .549 2.51 8.06 1.358 .801 .232 2.52 .378 -.049 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4603 183 11 .539 1.39 8.06 .543 .730 .179 2.96 .407 -.011