Driftless Oaks Ingersoll, Wisconsin - WI034 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 : WI034.CRN Measurement file name : WI034.RWL Date checked : 09AUG21 Checked by : B. Bauer Beginning year : 1921 Ending year : 2013 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Ingersoll Site location : Wisconsin Species information : QUAL WHITE OAK Latitude : 4332 Longitude : -09036 Elevation : 354M Series intercorrelation: 0.571 Avg mean sensitivity : 0.217 Avg standard deviation : 1.902 Avg autocorrelation : 0.753 Number dated series : 10 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ingersoll 17:12 Mon 09 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ING001A 1927 2013 .56 .38 .35 2 ING001B 1925 2013 .63 .63 .55 3 ING002A 1937 2013 .73 .82 .67 4 ING002B 1941 2013 .75 .72 .44 5 ING003A 1927 2013 .50 .39 .38 6 ING003B 1921 2013 .51 .50 .58 .66 7 ING004A 1965 2013 .74 8 ING004B 1923 2013 .53 .52 .60 .52 9 ING005A 1926 2013 .40 .51 .52 10 ING005B 1938 2013 .62 .58 .57 Av segment correlation .52 .58 .60 .52 PART 7: DESCRIPTIVE STATISTICS: Ingersoll 17:12 Mon 09 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 ING001A 1927 2013 87 3 0 .495 4.28 20.01 2.884 .698 .219 2.64 .422 -.070 1 2 ING001B 1925 2013 89 3 0 .594 3.64 9.84 1.649 .731 .224 2.53 .523 .018 1 3 ING002A 1937 2013 77 3 0 .700 4.27 9.72 1.951 .808 .188 2.44 .437 -.073 1 4 ING002B 1941 2013 73 3 0 .630 4.23 9.99 2.253 .818 .241 2.43 .413 -.107 1 5 ING003A 1927 2013 87 3 0 .498 3.42 15.63 2.730 .867 .232 2.70 .437 .040 1 6 ING003B 1921 2013 93 4 0 .563 2.85 9.58 1.868 .819 .221 2.54 .502 .034 1 7 ING004A 1965 2013 49 1 0 .739 3.06 7.85 1.665 .715 .244 2.77 .619 .012 1 8 ING004B 1923 2013 91 4 0 .516 2.83 7.53 1.132 .771 .177 2.44 .411 -.028 1 9 ING005A 1926 2013 88 3 0 .479 3.64 7.58 1.326 .612 .232 2.55 .486 -.049 1 10 ING005B 1938 2013 76 3 0 .600 4.37 7.83 1.529 .678 .200 2.47 .421 -.073 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 810 30 0 .571 3.65 20.01 1.902 .753 .217 2.77 .462 -.029