North Fork Update, Montana Additional Site Information B.L. Coulthard K.J. Anchukaitis L.A. Dye I.K. Homfeld Measurement type: Earlywood ring width Location of core material: Laboratory of Tree-Ring Research, University of Arizona Notes: Update of an existing collection at North Fork Ridge (ITRDB MT110) COFECHA output: Chronology file name : Measurement file name : NFK EW_raw measurements Date checked : 19Jan21 Technician's name : A. Rosema Supervisor's name : B.L. Coulthard Beginning year : 1719 Ending year : 2018 Principal investigators: B.L. Coulthard K.J. Anchukaitis Site name : North Fork Update Site location : Montana, USA Species information : PSME Pseudotsuga menziesii Latitude : 4528 Longitude : -11125 Elevation : 1696 Series intercorrelation: 0.756 Avg mean sensitivity : 0.283 Avg standard deviation : 0.636 Avg autocorrelation : 0.779 Number dated series : 31 Segment length tested : 50 Number problem segments: 0 Pct problem segments : PART 5: CORRELATION OF SERIES BY SEGMENTS: nfk01 13:42 Tue 19 Jan 2021 Page 5 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under 0.3281 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 NFK01AAU 1806 2018 .73 .76 .75 .79 .82 .85 .80 .79 2 NFK01BBU 1812 2018 .75 .78 .86 .84 .82 .81 .83 .85 3 NFK02AAU 1800 2018 .67 .84 .86 .87 .89 .78 .78 .84 4 NFK02BBU 1830 2018 .71 .80 .84 .85 .76 .79 .81 5 NFK03AAU 1882 2018 .74 .67 .68 .74 .72 6 NFK03BBU 1827 2018 .83 .78 .76 .72 .69 .62 .56 7 NFK04AAU 1916 2018 .64 .65 .82 .84 8 NFK04BBU 1916 2018 .71 .73 .84 .84 9 NFK05BBU 1725 2018 .83 .84 .78 .77 .71 .69 .78 .80 .81 .76 .78 10 NFK06AAU 1730 2018 .74 .66 .72 .71 .71 .84 .87 .81 .80 .83 .83 11 NFK06BBU 1736 2018 .78 .79 .80 .76 .75 .85 .86 .85 .85 .76 .77 12 NFK07AAU 1892 2018 .74 .72 .73 .77 .69 13 NFK07BBU 1871 2018 .62 .66 .75 .78 .79 .71 14 NFK08AAU 1872 2018 .65 .67 .65 .61 .80 .83 15 NFK09AAU 1860 2018 .77 .76 .70 .73 .76 .78 16 NFK10AAU 1797 2018 .79 .79 .82 .78 .79 .76 .76 .78 .82 17 NFK10BBU 1793 2018 .57 .55 .55 .54 .51 .45 .46 .55 .57 18 NFK11AAU 1727 2018 .77 .62 .71 .82 .79 .81 .74 .72 .79 .79 .81 19 NFK11BBU 1743 2018 .73 .77 .80 .82 .85 .80 .73 .72 .74 .74 .77 20 NFK12AAU 1911 2018 .57 .65 .79 .84 21 NFK12BBU 1910 2018 .52 .60 .76 .78 22 NFK13AAU 1811 2018 .73 .84 .85 .83 .86 .86 .82 .80 23 NFK13BBU 1809 2018 .78 .82 .85 .87 .87 .82 .77 .80 24 NFK14AAU 1719 2018 .76 .81 .83 .83 .73 .64 .76 .78 .68 .75 .86 25 NFK14BBU 1725 2018 .73 .79 .73 .63 .69 .78 .79 .76 .70 .76 .81 26 NFK15AAU 1914 2018 .59 .67 .77 .84 27 NFK15BBU 1937 2018 .79 .84 .82 28 NFK16AAU 1853 2018 .78 .80 .85 .88 .82 .80 29 NFK16BBU 1840 2018 .79 .82 .84 .82 .85 .76 .72 30 NFK19AAU 1869 2018 .66 .71 .77 .87 .85 .77 31 NFK20AAU 1892 2018 .74 .78 .76 .79 .79 Av segment correlation 0.76 0.75 0.75 0.74 0.76 0.76 0.77 0.74 0.75 0.78 0.78 PART 7: DESCRIPTIVE STATISTICS: nfk01 13:42 Tue 19 Jan 2021 Page 7 ------------------------------------------------------------------------------------------------------------------------------------ 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 NFK01AAU 1806 2018 213 8 0 0.763 1.15 3.82 0.651 0.818 0.257 1.03 0.351 -0.008 1 2 NFK01BBU 1812 2018 207 8 0 0.811 1.38 4.32 0.890 0.871 0.239 0.92 0.308 0.002 2 3 NFK02AAU 1800 2018 219 8 0 0.799 1.36 3.78 0.742 0.790 0.279 1.24 0.351 -0.011 1 4 NFK02BBU 1830 2018 189 7 0 0.792 1.60 5.46 0.720 0.537 0.298 1.50 0.384 -0.025 1 5 NFK03AAU 1882 2018 137 5 0 0.715 0.97 1.92 0.377 0.704 0.256 0.74 0.308 -0.025 1 6 NFK03BBU 1827 2018 192 7 0 0.717 1.30 2.87 0.569 0.717 0.265 0.80 0.315 -0.008 5 7 NFK04AAU 1916 2018 103 4 0 0.707 1.32 2.57 0.609 0.789 0.242 0.96 0.371 -0.054 1 8 NFK04BBU 1916 2018 103 4 0 0.769 1.76 3.75 0.835 0.784 0.249 0.95 0.388 0.012 2 9 NFK05BBU 1725 2018 294 11 0 0.773 0.63 2.82 0.475 0.867 0.340 2.08 0.627 -0.017 1 10 NFK06AAU 1730 2018 289 11 0 0.767 0.86 3.69 0.637 0.876 0.276 1.11 0.372 0.016 1 11 NFK06BBU 1736 2018 283 11 0 0.800 0.60 3.96 0.448 0.754 0.288 1.43 0.459 0.012 1 12 NFK07AAU 1892 2018 127 5 0 0.737 1.73 4.04 0.829 0.793 0.250 0.86 0.307 -0.027 1 13 NFK07BBU 1871 2018 148 6 0 0.702 1.60 3.96 0.788 0.746 0.250 0.97 0.333 -0.008 1 14 NFK08AAU 1872 2018 147 6 0 0.686 1.43 5.18 0.919 0.829 0.279 0.96 0.374 -0.001 2 15 NFK09AAU 1860 2018 159 6 0 0.758 1.31 3.92 0.711 0.786 0.275 1.41 0.407 0.005 2 16 NFK10AAU 1797 2018 222 9 0 0.787 0.89 2.76 0.555 0.754 0.338 1.14 0.455 -0.022 1 17 NFK10BBU 1793 2018 226 9 0 0.523 0.79 3.94 0.686 0.804 0.404 18.96 3.244 0.022 1 18 NFK11AAU 1727 2018 292 11 0 0.765 0.76 1.93 0.344 0.688 0.290 1.09 0.358 -0.012 1 19 NFK11BBU 1743 2018 276 11 0 0.775 0.69 1.72 0.314 0.628 0.310 0.97 0.376 0.000 2 20 NFK12AAU 1911 2018 108 4 0 0.708 1.71 4.20 0.869 0.871 0.211 0.71 0.318 -0.038 1 21 NFK12BBU 1910 2018 109 4 0 0.655 1.43 3.30 0.677 0.773 0.254 1.04 0.350 -0.024 1 22 NFK13AAU 1811 2018 208 8 0 0.804 1.02 2.56 0.499 0.721 0.288 1.03 0.371 0.001 1 23 NFK13BBU 1809 2018 210 8 0 0.821 0.98 2.57 0.499 0.776 0.271 0.84 0.353 -0.003 1 24 NFK14AAU 1719 2018 300 11 0 0.768 0.84 3.33 0.617 0.903 0.242 0.76 0.289 -0.008 1 25 NFK14BBU 1725 2018 294 11 0 0.738 0.80 4.35 0.798 0.934 0.269 1.01 0.330 -0.013 1 26 NFK15AAU 1914 2018 105 4 0 0.703 1.32 4.02 0.728 0.756 0.292 0.96 0.366 0.015 2 27 NFK15BBU 1937 2018 82 3 0 0.784 1.66 3.72 0.658 0.595 0.269 1.48 0.373 -0.022 1 28 NFK16AAU 1853 2018 166 6 0 0.816 1.52 4.67 0.761 0.709 0.298 1.25 0.382 -0.003 1 29 NFK16BBU 1840 2018 179 7 0 0.800 1.83 5.00 0.985 0.746 0.291 1.14 0.406 -0.013 1 30 NFK19AAU 1869 2018 150 6 0 0.769 1.18 2.71 0.548 0.817 0.242 0.98 0.309 -0.005 2 31 NFK20AAU 1892 2018 127 5 0 0.760 1.31 3.77 0.787 0.823 0.318 1.49 0.407 -0.028 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5864 224 0 0.756 1.11 5.46 0.636 0.779 0.283 18.96 0.486 -0.007