Driftless Oaks Swamplovers, Wisconsin - WI054 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 : WI054.CRN Measurement file name : WI054.RWL Date checked : 11AUG21 Checked by : B. Bauer Beginning year : 1807 Ending year : 2012 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Swamplovers Site location : Wisconsin Species information : QUAL WHITE OAK Latitude : 4244 Longitude : -09030 Elevation : 252M Series intercorrelation: 0.534 Avg mean sensitivity : 0.179 Avg standard deviation : 0.627 Avg autocorrelation : 0.738 Number dated series : 23 Segment length tested : 50 Number problem segments: 19 Pct problem segments : 14.62 PART 5: CORRELATION OF SERIES BY SEGMENTS: Swamplovers 10:35 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 1800 1825 1850 1875 1900 1925 1950 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 SWP001A 1861 2000 .58 .71 .70 .68 .77 .77 2 SWP001B 1889 2012 .70 .71 .68 .72 .77 3 SWP002A 1827 2012 .52 .55 .33 .40 .44 .34 .48 4 SWP002B 1832 2012 .44 .61 .39 .31A .36 .30B .34 5 SWP003A 1848 2012 .32B .23B .27B .35 .36 .38 .45 6 SWP003B 1829 2012 .37 .48 .36B .51 .52 .45 .54 7 SWP004A 1896 2012 .31A .31A .08B .39 .33A 8 SWP004B 1889 2011 .67 .55 .33B .42 .43 9 SWP005A 1890 2012 .74 .76 .69 .62 .71 10 SWP005B 1865 2012 .68 .78 .76 .68 .60 .66 11 SWP006A 1872 2012 .65 .69 .72 .66 .59 .64 12 SWP006B 1834 2012 .66 .72 .72 .70 .56 .42 .53 13 SWP007A 1886 2012 .72 .65 .66 .49 .16B 14 SWP007B 1872 2010 .43 .49 .65 .69 .45 .41 15 SWP008A 1912 2012 .56 .46 .36 .42 16 SWP008B 1899 2012 .49 .50 .41 .33A .50 17 SWP009A 1870 2012 .72 .73 .67 .54 .26A .44 18 SWP009B 1871 2007 .68 .66 .55 .41 .17B .15B 19 SWP010A 1807 2012 .67 .69 .73 .72 .64 .58 .50 .64 20 SWP010B 1813 1822 .62B 21 SWP010B 1830 2012 .67 .76 .73 .68 .67 .53 .54 22 SWP011A 1949 2012 .28B .29A .58 23 SWP011B 1850 2012 .48 .46 .42 .57 .52 .61 Av segment correlation .64 .52 .59 .58 .58 .51 .45 .50 PART 7: DESCRIPTIVE STATISTICS: Swamplovers 10:35 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 SWP001A 1861 2000 140 6 0 .657 2.14 3.32 .472 .615 .154 2.69 .522 -.025 1 2 SWP001B 1889 2012 124 5 0 .725 2.29 3.41 .501 .603 .157 2.59 .544 .015 1 3 SWP002A 1827 2012 186 7 0 .448 1.55 2.98 .533 .851 .139 2.77 .421 -.005 1 4 SWP002B 1832 2012 181 7 2 .367 1.35 2.94 .541 .896 .140 2.80 .506 -.026 1 5 SWP003A 1848 2012 165 7 3 .336 1.30 2.67 .574 .866 .166 2.84 .463 .004 2 6 SWP003B 1829 2012 184 7 1 .450 1.29 4.15 .672 .842 .196 2.82 .386 .034 1 7 SWP004A 1896 2012 117 5 4 .303 1.97 4.97 1.049 .780 .207 2.78 .477 -.044 1 8 SWP004B 1889 2011 123 5 1 .520 2.16 4.56 .885 .836 .165 2.94 .512 -.053 1 9 SWP005A 1890 2012 123 5 0 .735 1.76 6.29 .789 .619 .215 2.62 .425 -.029 1 10 SWP005B 1865 2012 148 6 0 .671 1.76 3.76 .667 .622 .235 2.88 .430 -.015 1 11 SWP006A 1872 2012 141 6 0 .649 1.98 4.23 .712 .781 .156 2.67 .492 .002 1 12 SWP006B 1834 2012 179 7 0 .623 1.67 3.18 .649 .840 .150 2.72 .439 .026 1 13 SWP007A 1886 2012 127 5 1 .497 1.80 4.05 .676 .704 .201 2.77 .444 .012 4 14 SWP007B 1872 2010 139 6 0 .510 2.00 3.38 .661 .626 .218 2.66 .500 -.042 1 15 SWP008A 1912 2012 101 4 0 .478 2.60 4.57 .833 .461 .251 2.78 .599 .007 4 16 SWP008B 1899 2012 114 5 1 .447 2.37 4.98 .936 .691 .248 2.63 .490 -.042 1 17 SWP009A 1870 2012 143 6 1 .586 1.51 2.65 .400 .652 .162 2.59 .399 -.021 1 18 SWP009B 1871 2007 137 6 2 .483 1.57 3.34 .524 .774 .147 2.59 .408 -.042 1 19 SWP010A 1807 2012 206 8 0 .640 1.35 2.55 .482 .660 .205 2.69 .478 -.059 1 20 SWP010B 1813 1822 10 1 1 .617 13.43 20.31 3.628 .352 .204 2.94 .995 .055 1 21 SWP010B 1830 2012 183 7 0 .660 1.17 2.43 .344 .733 .156 2.57 .387 -.038 2 22 SWP011A 1949 2012 64 3 2 .385 1.48 3.15 .640 .844 .145 2.88 .447 -.047 1 23 SWP011B 1850 2012 163 6 0 .489 1.46 2.57 .497 .791 .163 2.52 .409 -.020 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3198 130 19 .534 1.74 20.31 .627 .738 .179 2.94 .460 -.017