Driftless Oaks Barham, Wisconsin - WI019 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 : WI019.CRN Measurement file name : WI019.RWL Date checked : 09AUG21 Checked by : B. Bauer Beginning year : 1876 Ending year : 2013 Principal investigators: E. Larson S. Allen C. Underwood Site name : Driftless Oaks Barham Site location : Wisconsin Species information : QUAL WHITE OAK Latitude : 4249 Longitude : -08956 Elevation : 317M Series intercorrelation: 0.631 Avg mean sensitivity : 0.274 Avg standard deviation : 0.983 Avg autocorrelation : 0.585 Number dated series : 12 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Barham 16:42 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BRM001A 1876 2013 .50 .64 .60 .68 .76 2 BRM001B 1889 2013 .78 .78 .66 .54 .58 3 BRM002A 1906 2013 .57 .59 .69 .70 4 BRM002B 1893 2013 .53 .60 .53 .44 .43 5 BRM003A 1881 2013 .69 .66 .37 .36 .47 6 BRM003B 1881 2013 .63 .67 .51 .46 .62 7 BRM005A 1884 2013 .34 .64 .64 .69 .77 8 BRM005B 1896 2013 .68 .65 .64 .78 .74 9 BRM006A 1877 2013 .69 .81 .65 .47 .52 10 BRM006B 1880 2013 .76 .82 .73 .61 .70 11 BRM007A 1895 2013 .74 .71 .71 .75 .82 12 BRM007B 1894 2013 .56 .80 .74 .75 .84 Av segment correlation .63 .70 .62 .60 .66 PART 7: DESCRIPTIVE STATISTICS: Barham 16:42 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 BRM001A 1876 2013 138 5 0 .607 2.03 6.16 1.016 .805 .257 2.64 .404 -.026 1 2 BRM001B 1889 2013 125 5 0 .659 2.62 8.95 1.147 .487 .311 2.76 .506 .017 1 3 BRM002A 1906 2013 108 4 0 .628 2.72 6.18 .986 .445 .277 2.59 .419 -.032 1 4 BRM002B 1893 2013 121 5 0 .501 2.58 7.05 .912 .484 .267 2.61 .394 -.038 1 5 BRM003A 1881 2013 133 5 0 .534 2.27 5.00 .797 .578 .230 2.78 .492 .027 1 6 BRM003B 1881 2013 133 5 0 .593 2.36 4.80 .978 .614 .250 2.67 .487 -.037 1 7 BRM005A 1884 2013 130 5 0 .583 2.10 4.28 .886 .533 .299 2.90 .577 .004 1 8 BRM005B 1896 2013 118 5 0 .688 2.61 5.52 1.047 .671 .249 2.72 .588 -.007 1 9 BRM006A 1877 2013 137 5 0 .632 2.37 6.79 1.110 .796 .237 2.59 .435 -.005 1 10 BRM006B 1880 2013 134 5 0 .719 2.15 3.61 .611 .486 .229 2.58 .464 .061 1 11 BRM007A 1895 2013 119 5 0 .755 2.75 6.35 1.212 .539 .347 2.59 .472 -.044 1 12 BRM007B 1894 2013 120 5 0 .686 2.57 5.84 1.144 .516 .355 2.90 .557 -.004 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1516 59 0 .631 2.41 8.95 .983 .585 .274 2.90 .482 -.006