Harvard Forest Petersham PIST, Massachusetts - MA022 Additional Site Information Saskia L. van de Gevel, Chris Gentry, Sanjaya Bhandari, James H. Speer, NADEF Notes: Ring width data collected for dendroecology during the North American Dendroecological Fieldweek (NADEF). Funding: US National Science Foundation COFECHA output: Chronology file name : MA022.CRN Measurement file name : MA022.RWL Date checked : 27AUG19 Checked by : B. Bauer Beginning year : 1897 Ending year : 2008 Principal investigators: S.L. van de Gevel C. Gentry S. Bhandari J.H. Speer NADEF Site name : Harvard Forest Petersham Site location : Mass. Species information : PIST EASTERN WHITE PINE Latitude : 4218 Longitude : -07206 Elevation : M Series intercorrelation: 0.541 Avg mean sensitivity : 0.268 Avg standard deviation : 2.161 Avg autocorrelation : 0.865 Number dated series : 31 Segment length tested : 50 Number problem segments: 7 Pct problem segments : 7.22 PART 5: CORRELATION OF SERIES BY SEGMENTS: Harvard Forest PIST 15:34 Tue 27 Aug 2019 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 HF007A 1928 2008 .46 .75 .71 2 hf007b 1934 2008 .53 .77 .74 3 hf008a 1941 2007 .67 .65 .59 4 HF008b 1935 2008 .58 .65 .58 5 HF011A 1926 2008 .44 .73 .78 6 HF011B 1925 2008 .48 .64 .65 7 HF012B 1956 2006 .49 .50 8 hf017a 1936 2007 .43 .54 .62 9 HF017b 1934 2008 .46 .64 .65 10 HF020 1952 2007 .44 .52 11 HF023B 1931 2008 .24A .52 .59 12 hf024b 1938 2008 .67 .74 .54 13 HF500b 1918 2007 .64 .63 .62 .48 14 hf501a 1925 2008 .64 .77 .72 15 HF502b 1929 2008 .33B .51 .64 16 hf502c 1935 2008 .32A .59 .61 17 hf503a 1913 2001 .48 .46 .44 .41 18 hf504a 1934 2008 .65 .61 .57 19 hf505a 1931 2008 .51 .80 .81 20 hf505b 1936 2008 .24B .46 .65 21 hf506a 1944 2008 .50 .69 .66 22 hf507a 1933 2008 .48 .65 .73 23 HF508A 1928 2008 .35 .62 .62 24 hf508B 1927 2008 .51 .72 .74 25 HF510 1929 2008 .32A .70 .70 26 HF511a 1953 2008 .58 .56 27 hf511b 1942 2008 .51 .60 .65 28 HF512A 1917 2008 .32A .29A .60 .63 29 HF513A 1898 2008 .61 .60 .50 .68 .71 30 hf513b 1897 2008 .67 .65 .56 .73 .73 31 HF514A 1942 2008 .57 .59 .49 Av segment correlation .64 .54 .48 .63 .63 PART 7: DESCRIPTIVE STATISTICS: Harvard Forest PIST 15:34 Tue 27 Aug 2019 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 HF007A 1928 2008 81 3 0 .549 3.38 8.25 2.677 .930 .277 2.56 .445 -.051 2 2 hf007b 1934 2008 75 3 0 .625 3.29 9.56 2.533 .853 .324 2.41 .340 -.003 1 3 hf008a 1941 2007 67 3 0 .593 2.69 7.09 1.671 .819 .332 2.51 .377 -.080 2 4 HF008b 1935 2008 74 3 0 .524 3.11 7.54 1.369 .554 .315 2.67 .367 -.023 1 5 HF011A 1926 2008 83 3 0 .573 3.09 7.63 1.671 .850 .253 2.34 .277 -.076 1 6 HF011B 1925 2008 84 3 0 .609 3.58 8.63 2.124 .893 .234 2.60 .480 -.008 1 7 HF012B 1956 2006 51 2 0 .492 3.99 10.17 2.705 .910 .225 2.78 .588 .133 1 8 hf017a 1936 2007 72 3 0 .519 2.87 9.24 2.534 .893 .276 2.64 .507 -.117 2 9 HF017b 1934 2008 75 3 0 .473 3.79 11.55 2.705 .932 .232 2.59 .416 -.003 2 10 HF020 1952 2007 56 2 0 .511 1.48 5.91 1.459 .927 .341 2.76 .586 -.101 2 11 HF023B 1931 2008 78 3 1 .467 2.50 7.32 1.804 .904 .240 2.76 .565 -.040 3 12 hf024b 1938 2008 71 3 0 .536 2.43 6.30 1.496 .886 .266 2.56 .485 -.059 2 13 HF500b 1918 2007 90 4 0 .537 2.94 7.00 1.930 .893 .290 2.58 .527 -.080 2 14 hf501a 1925 2008 84 3 0 .636 3.18 10.00 2.104 .861 .305 2.70 .497 .090 2 15 HF502b 1929 2008 80 3 1 .445 3.25 11.27 2.409 .809 .382 2.82 .515 -.022 1 16 hf502c 1935 2008 74 3 1 .418 2.29 9.86 2.032 .772 .437 3.03 .513 .047 1 17 hf503a 1913 2001 89 4 0 .435 3.57 11.19 2.918 .966 .234 2.60 .484 -.046 1 18 hf504a 1934 2008 75 3 0 .599 3.61 9.89 2.892 .949 .224 2.75 .546 .024 1 19 hf505a 1931 2008 78 3 0 .640 2.60 6.39 1.448 .876 .267 2.70 .575 .086 1 20 hf505b 1936 2008 73 3 1 .443 3.28 6.58 1.496 .732 .279 2.60 .531 -.056 1 21 hf506a 1944 2008 65 3 0 .579 2.71 6.44 1.517 .862 .247 2.62 .497 .014 3 22 hf507a 1933 2008 76 3 0 .596 3.19 6.86 1.300 .784 .207 2.57 .405 -.019 1 23 HF508A 1928 2008 81 3 0 .460 2.62 10.46 2.684 .917 .241 2.52 .370 -.029 1 24 hf508B 1927 2008 82 3 0 .571 4.24 9.74 2.621 .912 .200 2.46 .409 -.054 2 25 HF510 1929 2008 80 3 1 .492 4.33 11.99 2.643 .857 .252 2.82 .530 .082 1 26 HF511a 1953 2008 56 2 0 .561 4.32 10.87 2.366 .837 .261 2.61 .489 -.027 1 27 hf511b 1942 2008 67 3 0 .560 4.15 12.22 3.102 .894 .296 2.62 .451 .029 1 28 HF512A 1917 2008 92 4 2 .490 4.20 8.90 1.856 .677 .303 2.45 .422 -.003 1 29 HF513A 1898 2008 111 5 0 .618 3.25 8.78 2.510 .954 .200 2.66 .403 -.021 1 30 hf513b 1897 2008 112 5 0 .641 3.26 9.27 2.509 .957 .202 2.78 .414 -.029 1 31 HF514A 1942 2008 67 3 0 .484 2.19 5.34 1.356 .896 .246 2.85 .530 .080 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2399 97 7 .541 3.22 12.22 2.161 .865 .268 3.03 .465 -.013