Sag Pond, Maine - ME051 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, Northern White Cedar, Thuja occidentalis, Maine Funding: UW-Platteville Scholarly Activity Improvement Fund COFECHA output: Chronology file name : ME051.CRN Measurement file name : ME051.RWL Date checked : 12JUL21 Checked by : B. Bauer Beginning year : 1729 Ending year : 2009 Principal investigators: E. Larson S. Allen N. Flinner S. Labarge T. Wilding Site name : Sag Pond Site location : Maine Species information : THOC NORTHERN WHITE-CEDAR Latitude : 4647 Longitude : -06903 Elevation : 423M Series intercorrelation: 0.477 Avg mean sensitivity : 0.190 Avg standard deviation : 0.295 Avg autocorrelation : 0.792 Number dated series : 16 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 9.57 PART 5: CORRELATION OF SERIES BY SEGMENTS: Sag Pond 16:51 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 SAG001a 1897 2009 .49 .48 .58 .63 .61 2 SAG002a 1869 2000 .48 .56 .42 .34 .53 .56 3 SAG003a 1846 2009 .55 .51 .44 .37 .48 .61 .57 4 SAG003b 1829 2009 .32A .24B .29A .24A .41 .59 .55 5 SAG005a 1986 2009 .65 6 SAG005b 1947 2009 .52 .53 .53 7 SAG006a 1894 2009 .63 .60 .54 .49 .46 8 SAG006b 1888 2009 .53 .56 .47 .40 .36 9 SAG007a 1777 2009 .65 .47 .37 .55 .55 .48 .47 .48 .46 10 SAG007b 1883 2009 .62 .64 .40 .35 .35 11 SAG008a 1856 2009 .51 .57 .40 .42 .46 .45 12 SAG009a 1929 2009 .52 .53 .55 13 SAG009b 1930 2009 .71 .68 .64 14 SAG010b 1839 2009 .39 .53 .43 .27B .28B .34B .30A 15 SAG11a 1729 2009 .43 .65 .69 .61 .27A .50 .62 .40 .43 .52 .50 16 SAG11b 1732 2009 .40 .65 .63 .61 .43 .46 .54 .47 .43 .46 .41 Av segment correlation .41 .65 .66 .56 .39 .47 .52 .44 .47 .51 .50 PART 7: DESCRIPTIVE STATISTICS: Sag Pond 16:51 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 SAG001a 1897 2009 113 5 0 .565 .48 1.38 .201 .828 .182 2.66 .606 .056 1 2 SAG002a 1869 2000 132 6 0 .459 .80 2.05 .489 .904 .216 2.71 .373 -.042 2 3 SAG003a 1846 2009 164 7 0 .518 .80 1.64 .228 .691 .172 2.50 .352 -.072 1 4 SAG003b 1829 2009 181 7 4 .390 .74 2.11 .283 .855 .158 2.78 .416 -.046 1 5 SAG005a 1986 2009 24 1 0 .649 1.00 2.08 .404 .627 .231 2.67 .586 -.019 1 6 SAG005b 1947 2009 63 3 0 .502 1.31 2.46 .493 .730 .226 2.46 .447 .025 2 7 SAG006a 1894 2009 116 5 0 .525 .33 .54 .065 .536 .155 2.54 .404 .028 1 8 SAG006b 1888 2009 122 5 0 .440 .23 .45 .073 .618 .224 2.82 .521 -.024 1 9 SAG007a 1777 2009 233 9 0 .525 .44 1.05 .161 .820 .163 2.77 .420 -.056 1 10 SAG007b 1883 2009 127 5 0 .465 .72 1.44 .252 .783 .163 2.74 .416 .038 1 11 SAG008a 1856 2009 154 6 0 .469 .58 1.43 .243 .703 .233 2.70 .447 -.032 1 12 SAG009a 1929 2009 81 3 0 .510 .84 1.60 .298 .734 .210 2.60 .495 .028 1 13 SAG009b 1930 2009 80 3 0 .671 .88 2.05 .357 .675 .250 2.98 .503 -.061 1 14 SAG010b 1839 2009 171 7 4 .356 1.00 2.78 .474 .883 .178 2.80 .480 -.035 2 15 SAG11a 1729 2009 281 11 1 .464 .64 1.75 .314 .867 .200 2.61 .378 -.036 1 16 SAG11b 1732 2009 278 11 0 .453 .81 2.93 .439 .905 .184 2.47 .314 -.060 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2320 94 9 .477 .69 2.93 .295 .792 .190 2.98 .422 -.029