Driftless Oaks Jersey Valley County Park, Wisconsin - WI036 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 : WI036.CRN Measurement file name : WI036.RWL Date checked : 09AUG21 Checked by : B. Bauer Beginning year : 1852 Ending year : 2014 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Jersey Valley County Park Site location : Wisconsin Species information : QUMA BURR OAK Latitude : 4341 Longitude : -09047 Elevation : 360M Series intercorrelation: 0.540 Avg mean sensitivity : 0.207 Avg standard deviation : 0.627 Avg autocorrelation : 0.695 Number dated series : 10 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 4.26 PART 5: CORRELATION OF SERIES BY SEGMENTS: Jersey Valley 17:17 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 JVY001A 1853 2014 .69 .77 .55 .64 .76 .61 2 JVY001B 1862 2014 .65 .60 .47 .60 .76 .60 3 JVY002A 1867 2014 .64 .73 .46 .26A .29A .45 4 JVY002B 1852 2014 .62 .69 .36 .35 .49 .41 5 JVY003A 1900 2014 .46 .52 .63 .38 6 JVY003B 1895 2014 .47 .41 .44 .46 .57 7 JVY004A 1923 2014 .67 .67 .80 .67 8 JVY004B 1923 2014 .50 .51 .66 .64 9 JVY005A 1932 2014 .54 .73 .64 10 JVY005B 1926 2014 .64 .66 .52 Av segment correlation .65 .65 .48 .52 .62 .55 PART 7: DESCRIPTIVE STATISTICS: Jersey Valley 17:17 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 JVY001A 1853 2014 162 6 0 .642 1.52 3.66 .524 .626 .207 2.80 .550 -.041 1 2 JVY001B 1862 2014 153 6 0 .569 1.44 3.21 .451 .639 .216 2.77 .481 -.009 1 3 JVY002A 1867 2014 148 6 2 .452 1.02 2.51 .411 .827 .169 2.68 .453 -.010 1 4 JVY002B 1852 2014 163 6 0 .463 1.08 3.17 .409 .713 .208 2.49 .301 .016 1 5 JVY003A 1900 2014 115 4 0 .460 1.95 6.43 .988 .800 .213 2.69 .497 -.070 1 6 JVY003B 1895 2014 120 5 0 .477 1.91 6.02 1.086 .789 .228 2.65 .452 -.078 1 7 JVY004A 1923 2014 92 4 0 .665 1.38 4.73 .721 .734 .210 2.92 .522 .013 1 8 JVY004B 1923 2014 92 4 0 .544 1.86 4.50 .798 .826 .163 2.53 .424 .079 1 9 JVY005A 1932 2014 83 3 0 .610 1.83 3.73 .445 .267 .222 2.52 .418 .016 1 10 JVY005B 1926 2014 89 3 0 .585 1.98 3.90 .683 .617 .245 2.44 .381 -.045 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1217 47 2 .540 1.54 6.43 .627 .695 .207 2.92 .448 -.015