Lake Metigoshe, North Dakota - ND017 Additional Site Information David Sauchyn Jessica Vanstone Cesar Perez Valdivia COFECHA output: Chronology file name : ND017.CRN Measurement file name : ND017.RWL Date checked : 22AUG19 Checked by : B. Bauer Beginning year : 1748 Ending year : 2008 Principal investigators: David Sauchyn Jessica Vanstone Cesar Perez Valdivia Site name : Lake Metigoshe Site location : N. Dakota Species information : QUMA BURR OAK Latitude : 4859 Longitude : -10020 Elevation : 660M Series intercorrelation: 0.612 Avg mean sensitivity : 0.201 Avg standard deviation : 0.460 Avg autocorrelation : 0.754 Number dated series : 12 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 5.71 PART 5: CORRELATION OF SERIES BY SEGMENTS: Lake Metigoshe 16:07 Thu 22 Aug 2019 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 1775 1800 1825 1850 1875 1900 1925 1950 1975 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 LMG01A 1922 2008 .61 .63 .69 .61 2 LMG01B 1911 2008 .54 .49 .53 .54 3 LMG02A 1916 2008 .62 .58 .56 .56 4 LMG02B 1915 2008 .71 .66 .62 .58 5 LMG03A 1923 2008 .62 .64 .66 .69 6 LMG03B 1921 2008 .28B .29B .67 .75 7 LMG04A 1748 2008 .74 .79 .78 .74 .52 .57 .68 .60 .57 8 LMG04B 1789 2008 .65 .73 .74 .72 .63 .72 .74 .67 .62 9 LMGd01A 1796 1987 .71 .71 .80 .78 .40B .45 .73 .74 10 LMGd01B 1796 1987 .58 .58 .73 .67 .55 .63 .64 .48 11 LMGd02A 1791 1972 .70 .83 .72 .68 .69 .64 .50B 12 LMGd02B 1790 1924 .71 .65 .62 .61 .55 Av segment correlation .68 .72 .73 .70 .56 .58 .60 .62 .62 PART 7: DESCRIPTIVE STATISTICS: Lake Metigoshe 16:07 Thu 22 Aug 2019 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 LMG01A 1922 2008 87 4 0 .612 2.59 4.91 .844 .736 .181 2.62 .410 .012 1 2 LMG01B 1911 2008 98 4 0 .550 2.33 4.27 .774 .618 .232 2.79 .489 .072 1 3 LMG02A 1916 2008 93 4 0 .583 1.17 3.32 .457 .732 .187 2.83 .501 -.033 1 4 LMG02B 1915 2008 94 4 0 .648 1.27 2.22 .318 .638 .174 2.60 .484 -.050 1 5 LMG03A 1923 2008 86 4 0 .662 2.03 4.24 .903 .765 .231 2.82 .569 .036 1 6 LMG03B 1921 2008 88 4 2 .436 2.25 4.36 .881 .790 .200 2.60 .502 -.051 1 7 LMG04A 1748 2008 261 9 0 .655 .89 1.79 .361 .775 .200 2.54 .401 -.046 1 8 LMG04B 1789 2008 220 9 0 .676 .89 2.00 .322 .693 .202 2.72 .378 -.004 1 9 LMGd01A 1796 1987 192 8 1 .635 .96 2.29 .416 .817 .197 2.78 .490 -.055 1 10 LMGd01B 1796 1987 192 8 0 .546 .91 2.72 .484 .833 .209 2.58 .434 .027 1 11 LMGd02A 1791 1972 182 7 1 .624 .56 1.12 .181 .722 .191 2.81 .564 -.070 1 12 LMGd02B 1790 1924 135 5 0 .610 .77 1.79 .345 .829 .204 2.63 .460 -.056 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1728 70 4 .612 1.18 4.91 .460 .754 .201 2.83 .462 -.023