Driftless Oaks Caswick, Wisconsin - WI025 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 : WI025.CRN Measurement file name : WI025.RWL Date checked : 09AUG21 Checked by : B. Bauer Beginning year : 1717 Ending year : 2013 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Caswick Site location : Wisconsin Species information : QUAL WHITE OAK Latitude : 4244 Longitude : -09030 Elevation : 263M Series intercorrelation: 0.585 Avg mean sensitivity : 0.207 Avg standard deviation : 0.651 Avg autocorrelation : 0.719 Number dated series : 6 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Caswick 16:49 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CWK002A 1730 2001 .79 .75 .73 .74 .55 .48 .51 .66 .63 .35 .36 2 CWK002B 1717 1992 .79 .75 .73 .65 .49 .56 .48 .60 .57 .59 3 CWK003A 1860 2013 .49 .39 .44 .42 .43 .52 4 CWK003B 1812 2013 .47 .52 .63 .62 .68 .72 .72 .70 5 CWK004A 1816 2013 .35 .51 .59 .67 .68 .63 .55 .51 6 CWK004B 1827 2013 .57 .48 .50 .60 .68 .57 .49 Av segment correlation .79 .75 .73 .55 .53 .54 .53 .61 .61 .54 .51 PART 7: DESCRIPTIVE STATISTICS: Caswick 16:49 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 CWK002A 1730 2001 272 11 0 .613 1.63 4.11 .791 .833 .204 2.80 .434 -.031 1 2 CWK002B 1717 1992 276 10 0 .625 1.35 3.47 .623 .781 .212 2.61 .313 -.018 1 3 CWK003A 1860 2013 154 6 0 .459 1.35 2.98 .439 .699 .180 2.69 .469 .037 1 4 CWK003B 1812 2013 202 8 0 .633 1.47 3.66 .511 .681 .196 2.55 .351 -.029 2 5 CWK004A 1816 2013 198 8 0 .564 1.80 4.51 .662 .597 .222 2.67 .453 -.033 1 6 CWK004B 1827 2013 187 7 0 .564 1.80 8.78 .806 .646 .224 2.71 .421 -.018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1289 50 0 .585 1.56 8.78 .651 .719 .207 2.80 .400 -.018