Matawaumkeag, Maine - ME047 Additional Site Information E. Larson S. Allen N. Flinner S. Labarge T. Wilding Reference: Evan R. Larson; Sara Allen; Nicholas L. Flinner; Steven G. Labarge; Thomas C. Wilding. 2013. The Need and Means to Update Chronologies in a Dynamic Environment. Tree-Ring Research, Vol. 69, No. 1, pp. 21-27. Keywords: dendrochronology, tree chronology, eastern hemlock, Tsuga canadensis, Maine Funding: UW-Platteville Scholarly Activity Improvement Fund COFECHA output: Chronology file name : ME047.CRN Measurement file name : ME047.RWL Date checked : 12JUL21 Checked by : B. Bauer Beginning year : 1721 Ending year : 2009 Principal investigators: E. Larson S. Allen N. Flinner S. Labarge T. Wilding Site name : Matawaumkeag Site location : Maine Species information : TSCA EASTERN HEMLOCK Latitude : 4531 Longitude : -06819 Elevation : 100M Series intercorrelation: 0.563 Avg mean sensitivity : 0.258 Avg standard deviation : 0.547 Avg autocorrelation : 0.794 Number dated series : 27 Segment length tested : 50 Number problem segments: 22 Pct problem segments : 10.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Matawaumkeag 16:48 Mon 12 Jul 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 MAT001a 1900 2009 .66 .67 .67 .67 2 MAT001b 1785 2009 .59 .71 .49 .49 .63 .64 .59 .61 .65 3 MAT002a 1835 2009 .62 .63 .58 .65 .56 .66 .71 4 MAT002b 1772 2009 .29A .31A .66 .62 .58 .66 .70 .57 .57 .60 5 MAT003a 1900 2009 .64 .70 .81 .82 6 MAT003b 1734 2009 .34 .29A .54 .63 .61 .36 .35 .62 .71 .76 .77 7 MAT004a 1850 2009 .66 .64 .60 .66 .67 .71 8 MAT004b 1774 2009 .35 .36 .65 .56 .46 .63 .77 .77 .75 .66 9 MAT005a 1776 2009 .42 .72 .58 .43 .72 .70 .52 .60 .60 10 MAT005b 1871 2009 .63 .71 .67 .53 .68 .66 11 MAT006a 1721 2008 .19B .20B .18B .51 .69 .65 .45 .45 .48 .61 .64 .57 12 MAT006b 1830 2009 .39 .26B .44 .69 .78 .65 .65 13 MAT007a 1899 2009 .73 .73 .62 .64 .63 14 MAT007b 1905 2009 .36 .25A .68 .68 15 MAT008a 1768 2009 .38B .47 .66 .63 .65 .56 .72 .54 .34B .45 16 MAT008b 1819 2009 .64 .67 .35 .13B .44 .53 .56 .60 17 MAT009b 1764 2006 .39B .56 .78 .64 .51 .58 .53 .51 .67 .71 18 MAT009a 1782 2009 .57 .72 .61 .51 .55 .64 .85 .90 .90 19 MAT010a 1788 2009 .56 .75 .71 .60 .51 .56 .68 .69 .70 20 MAT010b 1815 2005 .56 .50 .55 .58 .48 .52 .48 .44 21 MAT011a 1727 2005 .15B .14B .25B .65 .58 .23B .26A .33 .59 .78 .72 22 MAT011b 1727 2005 .26A .07B .37 .69 .65 .48 .44 .37 .57 .82 .73 23 MAT012a 1723 2009 .32A .35 .29A .47 .67 .49 .42 .69 .76 .68 .53 .52 24 MAT013a 1820 2009 .50 .58 .47 .68 .73 .74 .78 .79 25 MAT013b 1762 2009 .43 .40 .52 .40 .44 .72 .75 .65 .71 .66 26 MAT014a 1852 2009 .28A .64 .81 .69 .72 .69 27 MAT014b 1900 2009 .72 .65 .70 .66 Av segment correlation .25 .26 .28 .45 .66 .58 .47 .56 .62 .62 .67 .67 PART 7: DESCRIPTIVE STATISTICS: Matawaumkeag 16:48 Mon 12 Jul 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 MAT001a 1900 2009 110 4 0 .643 1.12 2.50 .448 .704 .251 2.44 .301 .011 1 2 MAT001b 1785 2009 225 9 0 .583 .95 2.82 .509 .811 .281 2.54 .355 -.039 1 3 MAT002a 1835 2009 175 7 0 .634 1.13 3.20 .658 .795 .251 2.80 .454 -.027 1 4 MAT002b 1772 2009 238 10 2 .572 1.04 4.82 .773 .843 .276 2.65 .345 -.041 1 5 MAT003a 1900 2009 110 4 0 .723 1.21 2.79 .536 .635 .278 2.76 .504 -.027 1 6 MAT003b 1734 2009 276 11 1 .556 1.03 3.95 .689 .810 .290 2.65 .373 .019 1 7 MAT004a 1850 2009 160 6 0 .635 .91 2.66 .466 .814 .233 2.45 .315 -.025 1 8 MAT004b 1774 2009 236 10 0 .588 .97 2.98 .555 .876 .218 2.85 .440 .022 1 9 MAT005a 1776 2009 234 9 0 .560 .76 2.30 .440 .814 .304 2.56 .314 -.027 2 10 MAT005b 1871 2009 139 6 0 .658 1.30 3.98 .748 .839 .241 2.73 .405 -.097 1 11 MAT006a 1721 2008 288 12 3 .450 2.12 7.31 1.280 .798 .273 2.80 .299 -.033 1 12 MAT006b 1830 2009 180 7 1 .558 2.41 6.41 1.364 .840 .246 2.52 .322 .000 1 13 MAT007a 1899 2009 111 5 0 .683 1.03 2.15 .354 .435 .280 2.62 .450 -.017 1 14 MAT007b 1905 2009 105 4 1 .530 .77 1.78 .343 .739 .263 2.76 .473 -.051 1 15 MAT008a 1768 2009 242 10 2 .480 .76 1.80 .383 .695 .333 2.52 .460 -.037 2 16 MAT008b 1819 2009 191 8 1 .478 .56 1.22 .234 .465 .350 2.55 .409 -.032 1 17 MAT009b 1764 2006 243 10 1 .568 .59 1.79 .321 .844 .243 2.44 .318 -.031 2 18 MAT009a 1782 2009 228 9 0 .671 .74 1.82 .384 .799 .273 2.66 .442 .002 1 19 MAT010a 1788 2009 222 9 0 .617 .70 2.60 .480 .838 .295 2.83 .445 .061 1 20 MAT010b 1815 2005 191 8 0 .504 .88 2.31 .542 .870 .260 2.50 .343 -.003 1 21 MAT011a 1727 2005 279 11 5 .423 .66 1.76 .354 .856 .232 2.59 .397 -.018 1 22 MAT011b 1727 2005 279 11 2 .488 .52 1.65 .295 .850 .227 2.79 .388 .014 3 23 MAT012a 1723 2009 287 12 2 .501 .87 3.46 .492 .862 .219 2.85 .382 .007 1 24 MAT013a 1820 2009 190 8 0 .666 1.19 2.43 .449 .779 .193 2.66 .413 .032 1 25 MAT013b 1762 2009 248 10 0 .549 .98 3.18 .548 .886 .222 2.53 .299 -.050 2 26 MAT014a 1852 2009 158 6 1 .612 1.28 3.09 .462 .748 .197 2.64 .357 -.003 3 27 MAT014b 1900 2009 110 4 0 .699 1.05 2.09 .355 .742 .193 2.72 .455 -.007 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5455 220 22 .563 1.00 7.31 .547 .794 .258 2.85 .381 -.013