Mount Hood Update, Oregon Additional Site Information B.L. Coulthard K.J. Anchukaitis L.A. Dye Measurement type: Earlywood ring width Location of core material: Idaho Tree-Ring Lab; University of Idaho Notes: Update of existing collection at Mt. Hood Timberline Lodge (ITRDB OR045) Most updated samples were measured and crossdated to ~1850 COFECHA output: Chronology file name : mhdu EW_std chronology.txt Measurement file name : mhdu EW_raw measurements.rwl Date checked : 04APR21 Technician's name : L.A. Dye Supervisor's name : B.L. Coulthard Beginning year : 1745 Ending year : 2018 Principal investigators: B.L. Coulthard K.J. Anchukaitis Site name : Mount Hood Update Site location : Oregon, USA Species information : TSME Mountain hemlock Latitude : 4533 Longitude : -12172 Elevation : 1812M Series intercorrelation: 0.672 Avg mean sensitivity : 0.394 Avg standard deviation : 0.212 Avg autocorrelation : 0.528 Number dated series : 36 Segment length tested : 50 Number problem segments: 4 Pct problem segments : PART 5: CORRELATION OF SERIES BY SEGMENTS: mhdew 15:06 Sun 04 Apr 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 MHD01AAU 1849 2018 .59 .66 .82 .75 .83 .82 .74 2 MHD01BBU 1808 2018 .56 .64 .68 .62 .47 .63 .62 .35 3 MHD02AAU 1849 2018 .56 .64 .72 .65 .63 .44B .41 4 MHD02BBU 1848 2018 .46 .55 .69 .59 .18B .26B .48 5 MHD03AAU 1850 2018 .73 .82 .70 .60 .70 .75 6 MHD03BBU 1871 2018 .84 .83 .71 .69 .67 .53 7 MHD04AAU 1856 2018 .77 .80 .60 .58 .76 .73 8 MHD04BBU 1850 2018 .84 .82 .47 .37 .66 .60 9 MHD05AAU 1772 2018 .59 .55 .47 .60 .75 .79 .77 .71 .78 .78 10 MHD05BBU 1850 2018 .66 .75 .67 .63 .75 .67 11 MHD11AAU 1850 2018 .89 .93 .84 .80 .72 .62 12 MHD11BBU 1850 2018 .88 .88 .79 .67 .56 .58 13 MHD12AAU 1849 2018 .66 .72 .65 .46 .58 .64 .60 14 MHD12BBU 1747 2018 .56 .53 .45 .45 .54 .72 .81 .79 .73 .78 .74 15 MHD13AAU 1850 2018 .81 .77 .69 .79 .83 .75 16 MHD13BBU 1850 2018 .77 .83 .78 .80 .79 .66 17 MHD14AAU 1850 2018 .62 .76 .76 .77 .78 .77 18 MHD14BBU 1850 2018 .60 .68 .66 .66 .66 .63 19 MHD16AAU 1849 2018 .76 .77 .80 .82 .87 .90 .79 20 MHD16BBU 1745 2018 .58 .54 .38 .44 .62 .72 .83 .84 .80 .77 .79 21 MHD17AAU 1848 2018 .52 .43 .62 .66 .68 .58 .53 22 MHD18AAU 1850 2018 .52 .68 .39 .38B .65 .54 23 MHD18BBU 1871 2018 .66 .66 .48 .55 .73 .58 24 MHD19AAU 1850 2018 .85 .83 .62 .55 .65 .63 25 MHD20AAU 1850 2018 .74 .84 .85 .84 .85 .77 26 MHD20BBU 1850 2018 .83 .84 .79 .75 .67 .58 27 MHD21AAU 1849 2018 .79 .81 .79 .73 .77 .70 .60 28 MHD21BBU 1850 2018 .84 .82 .74 .76 .64 .55 29 MHD22AAU 1850 2018 .77 .81 .83 .71 .72 .70 30 MHD22BBU 1858 2018 .79 .79 .72 .76 .73 .71 31 MHD23AAU 1848 2018 .74 .78 .79 .73 .62 .49 .44 32 MHD23BBU 1847 2018 .47 .55 .74 .63 .76 .60 .50 33 MHD24AAU 1845 2018 .84 .68 .66 .83 .82 .70 .69 34 MHD24BBU 1846 2018 .80 .70 .57 .70 .71 .49 .46 35 MHD25AAU 1901 2018 .72 .74 .61 .45 36 MHD25BBU 1906 2018 .67 .67 .63 .65 Av segment correlation 0.57 0.55 0.46 0.48 0.64 0.72 0.77 0.69 0.68 0.68 0.62 PART 7: DESCRIPTIVE STATISTICS: mhdew 15:06 Sun 04 Apr 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 MHD01AAU 1849 2018 170 7 0 0.736 0.38 0.92 0.159 0.486 0.383 1.04 0.404 -0.003 1 2 MHD01BBU 1808 2018 211 8 0 0.548 0.47 1.54 0.220 0.603 0.349 1.08 0.412 0.011 1 3 MHD02AAU 1849 2018 170 7 1 0.592 0.28 0.77 0.123 0.478 0.371 1.10 0.409 -0.002 1 4 MHD02BBU 1848 2018 171 7 2 0.447 0.38 0.89 0.174 0.639 0.313 1.11 0.359 0.006 1 5 MHD03AAU 1850 2018 169 6 0 0.721 0.57 1.44 0.232 0.469 0.348 1.25 0.396 0.020 1 6 MHD03BBU 1871 2018 148 6 0 0.718 0.50 1.10 0.196 0.515 0.330 0.96 0.378 0.020 1 7 MHD04AAU 1856 2018 163 6 0 0.701 0.59 1.10 0.189 0.513 0.267 0.82 0.321 -0.005 1 8 MHD04BBU 1850 2018 169 6 0 0.601 0.46 0.96 0.166 0.323 0.342 1.20 0.387 0.003 1 9 MHD05AAU 1772 2018 247 10 0 0.678 0.48 1.27 0.221 0.650 0.344 0.99 0.370 -0.008 1 10 MHD05BBU 1850 2018 169 6 0 0.675 0.28 0.70 0.130 0.586 0.338 1.12 0.394 0.002 1 11 MHD11AAU 1850 2018 169 6 0 0.795 0.41 0.90 0.178 0.224 0.477 1.41 0.462 0.000 1 12 MHD11BBU 1850 2018 169 6 0 0.742 0.40 0.99 0.169 0.276 0.449 1.28 0.437 0.001 2 13 MHD12AAU 1849 2018 170 7 0 0.613 0.35 0.87 0.192 0.767 0.330 1.20 0.400 -0.005 1 14 MHD12BBU 1747 2018 272 11 0 0.636 0.35 0.96 0.154 0.310 0.448 1.38 0.469 0.000 1 15 MHD13AAU 1850 2018 169 6 0 0.766 0.49 1.29 0.219 0.469 0.421 1.02 0.447 0.003 1 16 MHD13BBU 1850 2018 169 6 0 0.754 0.37 1.35 0.191 0.659 0.348 1.26 0.424 -0.006 1 17 MHD14AAU 1850 2018 169 6 0 0.727 0.60 1.70 0.368 0.718 0.368 1.19 0.431 0.008 2 18 MHD14BBU 1850 2018 169 6 0 0.631 0.34 1.12 0.224 0.758 0.394 1.16 0.445 -0.009 1 19 MHD16AAU 1849 2018 170 7 0 0.809 0.44 1.14 0.221 0.426 0.490 1.36 0.509 0.005 1 20 MHD16BBU 1745 2018 274 11 0 0.650 0.58 1.75 0.334 0.713 0.399 1.53 0.430 0.008 1 21 MHD17AAU 1848 2018 171 7 0 0.553 0.17 0.62 0.104 0.684 0.459 1.56 0.497 -0.005 1 22 MHD18AAU 1850 2018 169 6 1 0.509 0.37 1.10 0.218 0.695 0.362 1.34 0.454 -0.006 1 23 MHD18BBU 1871 2018 148 6 0 0.587 0.67 1.84 0.362 0.698 0.315 1.27 0.388 0.014 1 24 MHD19AAU 1850 2018 169 6 0 0.691 0.34 0.79 0.132 0.357 0.325 1.05 0.353 -0.015 2 25 MHD20AAU 1850 2018 169 6 0 0.792 0.59 1.31 0.285 0.648 0.343 0.86 0.371 -0.010 1 26 MHD20BBU 1850 2018 169 6 0 0.749 0.57 1.15 0.223 0.386 0.386 1.04 0.394 -0.002 1 27 MHD21AAU 1849 2018 170 7 0 0.731 0.61 1.60 0.275 0.198 0.473 1.22 0.457 -0.010 2 28 MHD21BBU 1850 2018 169 6 0 0.730 0.46 1.20 0.253 0.423 0.470 1.31 0.550 0.026 1 29 MHD22AAU 1850 2018 169 6 0 0.744 0.43 0.98 0.190 0.438 0.387 1.00 0.422 0.001 1 30 MHD22BBU 1858 2018 161 6 0 0.741 0.67 1.36 0.212 0.147 0.331 0.84 0.336 -0.008 3 31 MHD23AAU 1848 2018 171 7 0 0.669 0.33 0.84 0.161 0.618 0.370 1.23 0.437 0.017 1 32 MHD23BBU 1847 2018 172 7 0 0.598 0.54 1.39 0.312 0.700 0.431 1.01 0.454 0.009 1 33 MHD24AAU 1845 2018 174 7 0 0.708 0.18 0.61 0.128 0.573 0.603 1.77 0.590 0.002 1 34 MHD24BBU 1846 2018 173 7 0 0.630 0.17 0.59 0.122 0.506 0.674 1.68 0.608 0.000 1 35 MHD25AAU 1901 2018 118 4 0 0.602 0.66 1.66 0.348 0.727 0.349 0.84 0.406 0.004 1 36 MHD25BBU 1906 2018 113 4 0 0.641 0.74 1.70 0.317 0.672 0.332 0.90 0.368 0.008 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6272 239 4 0.672 0.45 1.84 0.212 0.528 0.394 1.77 0.428 0.002