Driftless Oaks Platte Mound Trail, Wisconsin - WI044 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 : WI044.CRN Measurement file name : WI044.RWL Date checked : 11AUG21 Checked by : B. Bauer Beginning year : 1857 Ending year : 2012 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Platte Mound Trail Site location : Wisconsin Species information : QUMA BURR OAK Latitude : 4245 Longitude : -09024 Elevation : 431M Series intercorrelation: 0.677 Avg mean sensitivity : 0.283 Avg standard deviation : 0.529 Avg autocorrelation : 0.528 Number dated series : 8 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Platte Mound Trail 10:22 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PMT004A 1873 2012 .79 .80 .73 .61 .66 .59 2 PMT004B 1877 2012 .85 .76 .71 .74 .71 3 PMT007A 1893 2012 .73 .75 .63 .70 .56 4 PMT007B 1868 2012 .68 .75 .68 .64 .74 .61 5 PMT009A 1857 2009 .46 .74 .78 .72 .72 .69 6 PMT009B 1910 2012 .69 .69 .73 .71 7 PMT010A 1909 2012 .78 .77 .74 .69 8 PMT010B 1857 2012 .52 .80 .73 .70 .78 .69 Av segment correlation .61 .78 .74 .69 .73 .66 PART 7: DESCRIPTIVE STATISTICS: Platte Mound Trail 10:22 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 PMT004A 1873 2012 140 6 0 .669 .95 2.60 .424 .406 .275 3.26 .538 .044 1 2 PMT004B 1877 2012 136 5 0 .740 .84 1.78 .350 .552 .264 2.77 .510 -.010 1 3 PMT007A 1893 2012 120 5 0 .642 1.24 3.18 .571 .558 .293 2.81 .462 .011 1 4 PMT007B 1868 2012 145 6 0 .670 1.06 3.21 .557 .642 .298 3.09 .550 .041 1 5 PMT009A 1857 2009 153 6 0 .635 1.29 3.18 .476 .415 .329 2.65 .395 .006 2 6 PMT009B 1910 2012 103 4 0 .698 1.62 4.87 .653 .477 .264 2.84 .451 .036 1 7 PMT010A 1909 2012 104 4 0 .739 1.75 3.67 .723 .631 .277 2.87 .541 -.035 1 8 PMT010B 1857 2012 156 6 0 .647 1.47 3.80 .565 .560 .258 2.73 .380 -.043 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1057 42 0 .677 1.25 4.87 .529 .528 .283 3.26 .475 .006