Ridgway, Pennsylvania - PA018 Additional Site Information C.A. Copenheaver K.L. Shumaker B.M. Butcher Reference: Carolyn A. Copenheaver, Ketia L. Shumaker, Brittany M. Butcher, George E.Hahn, La'Portia J. Perkins, Christopher J. Dukes, Emma G. Thompson, Michael F.J. Pisaric. 2020. Dendroclimatology of sugar maple (Acer saccharum): Climate-growth response in a late-successional species. Dendrochronologia, Vol. 63, 125747, Oct. 2020. DOI: 10.1016/j.dendro.2020.125747 Funding: United States Department of Agriculture, National Institute of Food and Agriculture AFRI Project 2016-67003-24944 COFECHA output: Chronology file name : PA018.CRN Measurement file name : PA018.RWL Date checked : 22JUL21 Checked by : B. Bauer Beginning year : 1883 Ending year : 2016 Principal investigators: C.A. Copenheaver K.L. Shumaker B.M. Butcher Site name : Ridgway Site location : Pennsylvania Species information : ACSH SUGAR MAPLE Latitude : 4124 Longitude : -07846 Elevation : 433M Series intercorrelation: 0.591 Avg mean sensitivity : 0.314 Avg standard deviation : 0.925 Avg autocorrelation : 0.646 Number dated series : 37 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ridgway 11:02 Thu 22 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 rdsm03a 1948 2016 .68 .68 .61 2 rdsm03b 1938 2015 .70 .73 .55 3 rdsm04a 1883 2014 .43 .43 .66 .60 .63 4 rdsm04b 1885 1988 .44 .44 .51 .33 5 rdsm05b 1919 2012 .59 .64 .65 .52 6 rdsm07a 1925 2016 .64 .53 .37 7 rdsm07b 1922 2000 .61 .61 .60 .62 8 rdsm08a 1929 2016 .66 .68 .68 9 rdsm08b 1935 2016 .37 .64 .62 10 rdsm09a 1927 2016 .62 .70 .69 11 rdsm09b 1930 2016 .68 .62 .52 12 rdsm11a 1927 2016 .45 .65 .63 13 rdsm11b 1944 2016 .61 .65 .66 14 rdsm12a 1943 2016 .56 .59 .66 15 rdsm12b 1949 2016 .46 .48 .67 16 rdsm13b 1935 2016 .63 .57 .53 17 rdsm14a 1938 2007 .67 .71 .67 18 rdsm14b 1920 2016 .53 .63 .65 .58 19 rdsm15a 1935 1988 .51 .48 20 rdsm15b 1937 1986 .57 21 rdsm17b 1930 2006 .49 .46 .56 22 rdsm18a 1940 2016 .71 .64 .63 23 rdsm18b 1944 2016 .78 .78 .76 24 rdsm19a 1929 2016 .60 .62 .62 25 rdsm19b 1926 2016 .67 .70 .60 26 rdsm20a 1935 2016 .52 .49 .44 27 rdsm20b 1936 2016 .70 .64 .54 28 rdsm21a 1935 2015 .76 .77 .75 29 rdsm21b 1929 2012 .69 .78 .79 30 rdsm22a 1945 2016 .73 .74 .66 31 rdsm22b 1942 1998 .67 .76 32 rdsm23a 1930 2016 .70 .84 .81 33 rdsm23b 1929 2009 .68 .78 .78 34 rdsm24a 1942 2016 .56 .72 .81 35 rdsm24b 1941 2016 .74 .74 .76 36 rdsm25a 1927 2016 .69 .73 .68 37 rdsm25b 1942 2016 .82 .82 .74 Av segment correlation .44 .52 .63 .65 .64 PART 7: DESCRIPTIVE STATISTICS: Ridgway 11:02 Thu 22 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 rdsm03a 1948 2016 69 3 0 .671 1.68 6.83 1.295 .766 .302 2.59 .511 -.014 1 2 rdsm03b 1938 2015 78 3 0 .620 2.03 5.20 1.170 .778 .298 2.55 .538 -.038 1 3 rdsm04a 1883 2014 132 5 0 .483 2.16 5.03 1.207 .795 .298 2.39 .302 -.057 1 4 rdsm04b 1885 1988 104 4 0 .396 1.91 6.89 1.066 .588 .332 2.57 .432 -.041 1 5 rdsm05b 1919 2012 94 4 0 .523 1.39 4.72 .847 .593 .416 2.94 .540 -.054 1 6 rdsm07a 1925 2016 92 3 0 .495 1.98 5.38 1.265 .859 .266 2.74 .430 .027 1 7 rdsm07b 1922 2000 79 4 0 .626 2.56 6.17 1.123 .679 .261 2.56 .504 -.081 2 8 rdsm08a 1929 2016 88 3 0 .605 2.02 4.38 .909 .701 .285 2.42 .318 .031 1 9 rdsm08b 1935 2016 82 3 0 .439 2.04 4.73 .936 .477 .379 2.46 .461 -.054 1 10 rdsm09a 1927 2016 90 3 0 .641 1.88 3.36 .649 .412 .342 2.43 .419 -.025 4 11 rdsm09b 1930 2016 87 3 0 .578 1.64 3.00 .600 .520 .297 2.62 .526 -.054 1 12 rdsm11a 1927 2016 90 3 0 .495 2.04 3.95 .752 .414 .335 2.36 .347 -.022 2 13 rdsm11b 1944 2016 73 3 0 .591 1.72 3.53 .713 .615 .294 2.80 .605 -.018 1 14 rdsm12a 1943 2016 74 3 0 .559 1.85 3.65 .763 .462 .362 2.55 .443 -.063 1 15 rdsm12b 1949 2016 68 3 0 .433 1.76 3.91 .762 .370 .406 2.50 .409 .018 1 16 rdsm13b 1935 2016 82 3 0 .565 1.99 5.20 1.056 .647 .387 2.62 .503 -.087 1 17 rdsm14a 1938 2007 70 3 0 .663 1.96 4.34 1.117 .854 .266 2.78 .559 -.050 3 18 rdsm14b 1920 2016 97 4 0 .576 1.79 3.62 .854 .725 .318 2.74 .561 -.010 1 19 rdsm15a 1935 1988 54 2 0 .502 1.83 4.23 .952 .798 .239 2.71 .525 -.092 1 20 rdsm15b 1937 1986 50 1 0 .572 2.10 3.71 .757 .492 .297 2.64 .526 -.080 1 21 rdsm17b 1930 2006 77 3 0 .437 1.43 3.56 .686 .572 .348 2.76 .578 .086 1 22 rdsm18a 1940 2016 77 3 0 .655 1.88 9.06 1.331 .537 .362 2.62 .593 -.009 1 23 rdsm18b 1944 2016 73 3 0 .744 1.61 3.38 .720 .717 .278 2.54 .461 -.027 1 24 rdsm19a 1929 2016 88 3 0 .606 1.53 3.74 .722 .645 .331 2.56 .416 -.049 1 25 rdsm19b 1926 2016 91 3 0 .628 1.68 4.04 .717 .587 .324 2.55 .440 .006 1 26 rdsm20a 1935 2016 82 3 0 .498 1.97 4.48 .834 .631 .298 2.71 .428 -.040 1 27 rdsm20b 1936 2016 81 3 0 .586 1.69 3.11 .676 .645 .276 2.48 .412 -.060 1 28 rdsm21a 1935 2015 81 3 0 .715 1.72 3.64 .785 .605 .303 2.62 .440 .067 1 29 rdsm21b 1929 2012 84 3 0 .602 1.93 4.37 .794 .587 .311 2.51 .349 -.011 1 30 rdsm22a 1945 2016 72 3 0 .649 1.35 4.15 1.068 .805 .417 2.49 .398 -.040 1 31 rdsm22b 1942 1998 57 2 0 .671 2.34 4.82 1.175 .700 .340 2.53 .506 -.102 1 32 rdsm23a 1930 2016 87 3 0 .725 1.62 3.35 .648 .654 .269 2.48 .485 -.023 1 33 rdsm23b 1929 2009 81 3 0 .706 1.65 3.12 .710 .679 .287 2.69 .508 -.007 1 34 rdsm24a 1942 2016 75 3 0 .597 1.90 5.56 1.066 .604 .323 2.62 .437 .017 1 35 rdsm24b 1941 2016 76 3 0 .714 1.76 3.81 .959 .763 .305 2.49 .523 -.021 1 36 rdsm25a 1927 2016 90 3 0 .681 2.76 5.78 1.292 .781 .249 2.49 .378 -.078 1 37 rdsm25b 1942 2016 75 3 0 .771 2.66 5.09 1.213 .821 .207 2.52 .470 -.050 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3000 113 0 .591 1.89 9.06 .925 .646 .314 2.94 .461 -.029