Welles Park, Breckenridge, Minnesota - MN030 Additional Site Information Erika Wertz Scott St. George Joseph Zeleznik Emily Smoter Purpose of Collection: Event - flood Cores Stored at: University of Minnesota Center for Dendrochronology Minneapolis, Minnesota. Reference: Wertz, E.L., S. St. George, and J.D. Zeleznik. 2013. Vessel anomalies in Quercus macrocarpa tree rings associated with recent floods along the Red River of the North, United States. Water Resources Research, Vol. 49, Issue 1, pp. 630-634, January 2013. DOI: 10.1029/2012WR012900 Notes: COFECHA output: Chronology file name : MN030.CRN Measurement file name : MN030.RWL Date checked : 03FEB14 Checked by : B. Bauer Beginning year : 1868 Ending year : 2010 Principal investigators: Erika Wertz Scott St. George Joseph Zeleznik Emily Smoter Site name : Welles Park Site location : Minnesota Species information : QUMA BURR OAK Latitude : 4617 Longitude : -09636 Elevation : 290M Series intercorrelation: 0.625 Avg mean sensitivity : 0.244 Avg standard deviation : 0.756 Avg autocorrelation : 0.610 Number dated series : 15 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 1.52 PART 5: CORRELATION OF SERIES BY SEGMENTS: Welles Park 10:36 Mon 03 Feb 2014 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 W-WEL02 1934 2010 .67 .73 .72 2 W-WEL03 1901 2010 .66 .72 .71 .71 3 W-WEL04 1904 2010 .75 .67 .60 .57 4 W-WEL05 1883 2010 .75 .80 .79 .83 .73 5 W-WEL06 1889 2010 .73 .70 .56 .66 .63 6 W-WEL07 1879 2010 .44B .57 .46 .42 .52 7 W-WEL08 1884 2010 .69 .73 .81 .86 .84 8 W-WEL09 1903 2010 .78 .73 .78 .79 9 W-WEL10 1888 2010 .37 .46 .52 .47 .48 10 W-WEL11 1907 2010 .71 .65 .75 .74 11 W-WEL12 1886 2010 .61 .59 .66 .60 .48 12 W-WEL13 1920 2010 .52 .56 .61 .68 13 W-WEL14 1906 2010 .64 .75 .79 .74 14 W-WEL15 1868 2010 .37 .58 .60 .55 .39 15 W-WEL16 1915 2010 .58 .69 .65 .69 Av segment correlation .57 .65 .66 .67 .65 PART 7: DESCRIPTIVE STATISTICS: Welles Park 10:36 Mon 03 Feb 2014 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 W-WEL02 1934 2010 77 3 0 .676 2.78 4.84 .889 .581 .238 2.49 .420 .022 1 2 W-WEL03 1901 2010 110 4 0 .681 2.21 3.39 .512 .415 .204 2.63 .507 .009 3 3 W-WEL04 1904 2010 107 4 0 .661 2.43 3.68 .671 .645 .193 2.48 .409 -.037 1 4 W-WEL05 1883 2010 128 5 0 .736 1.87 4.15 .780 .624 .295 2.81 .454 -.007 1 5 W-WEL06 1889 2010 122 5 0 .613 1.91 4.76 1.070 .837 .256 2.62 .538 -.046 1 6 W-WEL07 1879 2010 132 5 1 .481 1.26 6.12 1.067 .802 .269 2.92 .455 .021 1 7 W-WEL08 1884 2010 127 5 0 .775 1.79 3.99 .623 .481 .260 2.58 .438 .026 1 8 W-WEL09 1903 2010 108 4 0 .759 2.26 4.22 .605 .500 .217 2.41 .389 -.020 1 9 W-WEL10 1888 2010 123 5 0 .438 1.83 4.45 .695 .500 .276 2.86 .506 .047 3 10 W-WEL11 1907 2010 104 4 0 .714 2.28 4.49 .710 .509 .234 2.59 .436 .006 1 11 W-WEL12 1886 2010 125 5 0 .562 2.03 4.82 .640 .624 .202 2.71 .532 -.023 1 12 W-WEL13 1920 2010 91 4 0 .576 1.29 3.22 .450 .558 .243 2.55 .360 -.074 1 13 W-WEL14 1906 2010 105 4 0 .693 2.33 5.04 .955 .650 .278 2.70 .440 .000 1 14 W-WEL15 1868 2010 143 5 0 .432 1.75 4.22 .759 .764 .231 2.60 .445 -.025 1 15 W-WEL16 1915 2010 96 4 0 .655 2.65 5.68 .863 .548 .248 2.75 .497 -.014 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1698 66 1 .625 2.01 6.12 .756 .610 .244 2.92 .458 -.007